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DVR®2000E+/EC+ User Manual

1. un d Os Li ig 5 eo 3 E wo 9 meg gt M uz f o P JP Al N S o E fe Em LA u gt co gt a z QA 3 Lo 9 AN E T NE lt gt n z tt DVR 2000E CB CENERATORS 9 c U ly dy z lt gt lt Read and Save These Instructions Safety Instructions A This is the safety alert symbol It is used to alert you to potential personal injury hazards Obey all safety messages that follow this symbol to avoid possible injury or death Warning indicates a potentially hazardous situation which if not avoided could result in death or serious injury Caution indicates a potentially hazardous situation which if not avoided may result in minor or moderate injury Notice indicates a situation not related to personal injury which if not avoided may result in generator or equipment damage Before installing using or servicing this product carefully read and fully understand the instructions including all warnings cautions and safety notice statements To reduce risk of personal injury death and or property damage follow all instructions for proper generator installation operation and maintenance Although you should read and follow these instructions they are not intended as a complete listing of all details for installation operation and maintenance If you have any questions concerning any of the procedures or if
2. Apply power to terminals 3 and 4 of the regulator There are two acceptable ways to power the regulator for programming a Reconnect the ground lead and the leads from the capacitor in the PMG circuit to regulator terminals 3 and 4 This is how the regulator receives power for normal operation If using this method be sure the generator RPM is between 1500 and 1800 RPM to provide proper input power to the regulator b Connect a 120 Volt AC source to regu lator terminals 3 and 4 This will pro vide the regulator with enough power to accept programming but not enough power for normal operation Press SELECT The word SIZE will appear in the display Press ENTER Use the UP and DOWN arrows to select the appropriate generator frame size and then press ENTER m The entered value will flash 3 times to indicate that your selection has been saved The display will again read SIZE Press SELECT A The word REG will appear in the display Press ENTER E Use the UP Bl and DOWN arrows to select the appropriate regulation mode AVR3 for 3 phase Automatic Voltage Regulation AVR1 forsingle phase Automatic Voltage Regulation or FCR for Field Current Regulation and then press ENTER The entered value will flash 10 Appendix C 3 times to indicate that your selection has been saved The display will again read REG Press SELECT D The word STPT will appear in the display Press ENTER Use the UP and DOWN arrows to
3. Features and Protection for a detailed description of the Auxiliary Input function 45 DVRPortal Graphical User Interface GUI Offset Display 4d This panel displays the offsets contributing to a modification of the set point for the currently selected regulation mode e Contact Offset displays the effect that the contact inputs have on the regulator set point value Refer to Section 4 Features and Protection for a detailed description of the UP and DOWN contact input functions e Auxiliary Offset displays the effect that the auxiliary input has on the regulator set point value Refer to Section 4 Features and Protection for a detailed description of the Auxiliary Input function e Droop Offset displays the effect that the reg ulator s droop function has on the regulator set point value Refer to Section 4 Features and Protection for a detailed description of the Load Sharing function e CAN Offset displays the effect that the Set Point Adjust CAN message has on the regulator set point value Refer to the DVR2000E EC CAN Bus Interface User Guide for a detailed description of the Set Point Adjust message e Step Offset displays the effect that the step change from the Metering tab has on the regulator set point value Refer to Section 4 Features and Protection for a detailed description of the step change input func tions e Total Set Point displays the total reference to the controller T
4. Rated Reactive 1 0 15 0 A002 F002 Power KVAR Voltage Maisch 5 0 50 0 SR Sp A012 F012 voltage Field Under Excitation Generator Over Voltage Generator Under Voltage Generator Imbalance Generator Loss of Sensing 100 0 to 5 0 5 0 20 0 Regulator Over Temperature Generator Reverse Power Generator Start Up Generator Under Frequency Field Current Limiting Power Limiting N A 5 0 100 0 40 0 70 0 0 5 6 5 5 0 115 0 N A N A Instantaneous Field Over Current NA NA 10 450 S A00 NA Table 4 1 marathon Generators 13 Features and Protection Configurable Protection Shutdowns All configurable protection features have a user defined threshold and timer value If the threshold condition for a particular protection feature is met an alarm is triggered The DVR displays an alarm signal on the HMI and in DVRPortal An indepen dent timer starts at the moment the alarm condition is triggered If the timer threshold is exceeded before the alarm condition is removed a fault is then triggered and the excitation current to the field is shutdown A fault signal is displayed on the HMI and in DVRPortal Table 4 1 shows the details of the timer based pro tection features in the DVR Field Over Excitation Shutdown The Field Over Excitation protection feature is triggered if field current exceeds the threshold The fault is triggered if fie
5. age sensing leads should be grouped together Figure 5 4 shows the quick disconnect terminal con nections located on the rear panel of the DVR marathon Generators 21 Serial Communication Port J3 DN J2 CT2 QU 4 1 E H E F F On mm Figure 5 4 DVR Rear Panel Connectors Quick Connect Terminals ae Application Notes No Description For connection of 1 user supplied current transformer with 5A secondary current H1 must face generator Observe polarity Excitation output Never apply a voltage to these terminals Observe p E Sensing Voltage 1 _ Phase A for phase output LI input for single phase 4 PMGinput2 Do not ground or apply direct current to Terminals 3or4 Table 5 1 Quick Connect Terminals marathon 22 Generators Chassis Ground GND The chassis ground terminal is labeled GND Power Supply Inputs 3 and 4 Power input terminals are labeled 3 and 4 Generator Voltage Sensing Inputs E1 E2 and E3 The generator voltage sensing terminals are labeled E1 E2 and E3 A single phase sensing connection is obtained by connecting the phase C sensing input to terminals E2 and E3 Exciter Field Output F and F The field output terminals for connection to the gen erator exciter field are labeled F and F Single Phase Current Sensing Input CT1 and CT2 Generator line current is stepped down through a user supplied CT on Phase B Secondary current
6. check Adjust generator tq rated speed marathon Generators GENERATOR VOLTAGE TOO LO Is DVR regulation mode correct Use HMI or DVRPortal amp check Verify DVR is in proper regulation ode e g AVR3 yes and change if necessary Use HMI or DVRPortal amp s DVR voltage se point correct set point is set to correct value and yes change if necessary Use Tach Frequency Meter or DVRPortal amp s DVR operating under frequency region check Verify DVR under frequency knee is set to correct valu no and change if necessary Verify correct generator speed Use DVRPortal amp S Generator Powe n gt Limit activated check Deactivate Generator Power no Limit Proceed to GENERATOR VOLTAGE NOT MATCHING SET POINT flowchart 55 Maintenance and Troubleshooting 56 TROUBLESHOOTING FLOWCHART GENERATOR VOLTAGE NO MATCHING SET POINT Visual Check Use DVRPortal amp Are PT if used ratio s polarity correct yes Check DVR for P Ratio setting and no adjust as necessary Check PT polarity Use DVRPortal amp If Aux Input is used check Input yes Type for correct setting e g 4 20 mA Turn off Aux Input if not needed Use DVRPortal check Monitor Aux Input Offset Turn off no Aux Input if not needed Use DVRPortal check Is Aux Input Type correct Is Aux Input influ
7. tions could result in serious personal injury death and or property damage DO NOT DISASSEMBLE Only qualified personnel who know local national international and or other applicable codes rules or regulations and sound practices should install or repair electric generators and voltage regulators Failure to follow these instructions could result in serious personal injury death and or property damage PREVENTATIVE MAINTENANCE The only preventive maintenance required on the DVR is to periodically check that the connec tions between the DVR and the system are clean and tight The only user serviceable part on the DVR is the fuse Marathon Electric recommends that no repair procedures other than replacing the fuse if needed be attempted by anyone other than Marathon Electric personnel marathon Generators 53 Maintenance and Troubleshooting TROUBLESHOOTING A Read and follow all applicable safety instruc tions in Section 1 and Section 8 Failure to do so may result in serious personal injury death and or property damage particularly when working with safety barriers removed If the output of the generator does not meet speci fications the first level of troubleshooting is to verify proper generator and regulator connections Installation Operation and Maintenance manual of generator should be referenced The following steps should be taken if the generator output is incorrect 1 Verify meter is o
8. Generators 41 DVRPortal Graphical User Interface GUI OPERATING MODES 3 This panel contains controls for altering the COM1 Marathon Electric DYR Portal 1 5 0 7399878 0 02199936 3 VAR Kp CEE 0 Apply VAR Ki VAR Kd ao Generator Frame Size 3a This pull down menu selects stability settings for the chosen frame size in AVR1 or AVR3 regulation modes Gains for the controller are displayed with gray numbers in the panel below the pull down menu Selecting the appropriate frame size chooses appropriate proportional integral and derivative gain values These gain values are not editable For edit able custom gains Generator Frame Size CUST should be selected Choosing CUST will copy the gains from the previous selected frame size The grayed gains will then become active for editing operating mode of the DVR including dynamic response and regulation Ln a tte Fe amem a Number Of CT s Three A B C One B Only OG Saving to EEPROM will store the edited gains to the user settings PID Controller Gains 3b There is a separate panel for adjusting the PID con troller gains for each regulation mode as well as for power limiting if that feature is enabled The PID gains for AVR3 and AVR1 are described above in Generator Frame Size For FCR and Power Limiting gains are editable when the correspond ing regulation
9. secondary may be connected to either quick connect terminals CT1 and CT2 or J2 2 and J2 11 10 120 ohm 0 25 watt resistor required if DVR is a terminal device on CAN backbone 11 S1 S2 S3 52 contactor and transfomers supplied by others I O O1 B ND gt Figure 5 8 Typical Connections with ABC Rotation Three Phase Voltage Sensing and Three Phase Current Sensing marathon Generators 27 Installation QUICK CONNECT TERMINALS INPUT SENSING FIELD AU exu xni Gan POWER VOLTAGE OUTPUT CTB CT A CT B CT C i HIGH LOW GND CT2 1 12 2 11 3 10 2 A Li l ami A A AA mnm T la 52 NOTES Excitation enabled when switch S3 is open and disabled when switch is closed SPDT spring return to center OFF position type switch S1 for remote set point adjust Droop enabled when switch S2 is open and disabled when switch is closed Normally open contact closes in a fault condition Analog signal input when Auxiliary is configured for control or metering Should be shorted when Auxiliary is configured for 4 20 mA control or metering Sensing potential transformer is required if generator output voltage exceeds 600 Volts VAR PF regulation enabled when auxiliary contact 52B is open and disabled when 52B is closed 9 Phase B current transformer CT B secondary may be connected to either quick connect terminals CT1 and CT2 or J2 2 and J2 11 10 120 ohm 0 25 watt resistor required if
10. shutting down due to a Generator Over Voltage fault Refer to Section 4 Features and Protection for a detailed description of the Generator Under Voltage Shutdown feature Generator Under Voltage Threshold is the percentage of Regulator Voltage Set Point that triggers the Generator Under Voltage protection feature Refer to Section 4 Features and Protection for a detailed description of the Generator Over Voltage Shutdown feature Generator Under Voltage Timer is the amount of time the regulator operates before shutting down due to a Generator Under Voltage fault Refer to Section 4 Features and Protection for a detailed description of the Generator Under Voltage Shutdown feature Field Over Excitation Threshold is the current threshold that triggers the Field Over Excitation protection feature Refer to Section 4 Features and Protection for a detailed description of the Field Over Excitation Shutdown feature Field Over Excitation Timer is the amount of time the regulator operates before shutting down due to a Field Over Excitation fault Refer to Section 4 Features and Protection for a detailed description of the Field Over Excitation Shutdown feature Field Under Excitation Threshold is the reactive power threshold that triggers the Field Under Excitation protection feature Refer to Section 4 Features and Protection for a detailed description of the Field Over Excitation Shutdown feature Field Und
11. 5A from that transformer is applied to terminals labeled CT1 and CT2 Consult current transformer instruction manuals for CT polarity identification and install per Figure 5 9 See Figure 5 4 and Table 5 1 for terminal assignments Three Phase Current Sensing Input Generator line current is stepped down through user supplied CT s Secondary current 5A from these transformers is applied to the J2 connector Consult CT instruction manuals for polarity identifi cation and install per Figure 5 8 See Figure 5 5 and Table 5 2 for terminal assignments Note All trans formers should have the same CT ratio Polarity notch Figure 5 5 System Connectors J2 left and J1 right Terminal Position CT X2 Terminal CT X1 Terminal 2 12 B s2 sm 32 10 Phase B cn om Table 5 2 CT Connection Terminals Note The CT primaries are aligned such that the H1 face is facing the generator for typical donut style CT s marathon Generators 23 PinNumber Name Deseriptin AUX IN Auxiliary input positive U C UP contact input active low DOWN contact input active low CGND AUX_LOOP Auxiliary current loop jumper ONTACT2 AUX_LOOP Auxiliary current loop jumper DROOP_OFF Droop disable contact input active low EXCITATION_OFF Excitation disable contact input active low AUX IN Auxiliary input negative Table 5 3 Connector J1 System Connections VAR PF_OFF VAR P
12. DVR is a terminal device on CAN backbone 11 S1 S2 S3 52 contactor and transfomers supplied by others EXCITER Figure 5 9 Typical Connections with ABC Rotation Three Phase Voltage Sensing and Single Phase Current Sensing marathon 28 Generators Installation QUICK CONNECT TERMINALS m n lo i powem Von outeur fool fe Tele tele Len espe kapa foke s opo a n T kep aa al 120 A 52B Ohm CAN A Network EXCITER 52 NOTES Excitation enabled when switch S3 is open and disabled when switch is closed SPDT spring return to center OFF position type switch S1 for remote set point adjust 9 Droop enabled when switch S2 is open and disabled when switch is closed Normally open contact closes in a fault condition Analog signal input when Auxiliary is configured for control or metering Should be shorted when Auxiliary is configured for 4 20 mA control or metering Sensing potential transformer is required if generator output voltage exceeds 600 Volts VAR PF regulation enabled when auxiliary contact 52B is open and disabled when 52B is closed 9 Phase B current transformer CT B secondary may be connected to either quick connect terminals CT1 and CT2 or J2 2 and J2 11 10 120 ohm 0 25 watt resistor required if DVR is a terminal device on CAN backbone 11 S1 S2 S3 52 contactor and transfomers supplied
13. Metering X 1 0 to 30 0 Generator Voltage Burden 2260 Q Range 10 Vac to 600 Vac Terminals J1 1 J1 12 Accuracy 0 5 96 Generator Current Range 0 1 to 5 000 Aac 5 Aac CTs Accuracy 0 5 marathon Generators Power Apparent Real and Reactive Range 0 to 5200 VA and W 0 to 4160 VAR leading lagging Accuracy 3 0 Power Factor Range 0 6 to 1 0 leading lagging Accuracy 0 02 Frequency Range 40 to 75 Hz Accuracy 0 2 Hz Field Voltage Range 0 to 200 Vdc Accuracy 5 0 Field Current Range 0 to 8 0 Adc Accuracy 0 5 Generator side Scaled Metering Generator Voltage Range 10 V to 15 kV Accuracy 0 5 96 Generator Current Range 0 1 to 5 000 Aac 5 Aac CTs Accuracy 0 5 96 Power Apparent Real and Reactive Range 0 to 10 MVA and MW 0 to 8 MVAR leading lagging Accuracy 3 0 96 Environmental Operating Temperature 40 C 70 C 40 F 4158 F Storage Temperature 40 C 85 C 40 F 4185 F Relative Humidity 95 96 non condensing Ingress Protection IP52 Front mounted IP10 rear with cover Environmental Tests Humidity Tested per MIL STD 705B Method 711 D Salt Fog Tested per MIL STD 810E Electromagnetic Compatibility Immunity Meets EN 61000 6 2 2005 Electromagnetic compatibility EMC Part 6 2 Generic standards Immunity for industrial environments Specifications Emission Meets EN 61000 6 4 2007 Electromagnetic
14. Regal Brand PO Box 8003 Wausau WI 54402 8003 U S A PH 715 675 3359 REGAL FAX 715 675 8026 www marathonelectric com www regalbeloit com 2012 Regal Beloit Corporation MANUAL GPNO46 7523J 2K 4 13 BH FORMS
15. This button stores the current value of the parameter being adjusted and returns the user to the main menu list Table 6 1 DVR HMI Button Function Descriptions marathon 34 Generators Human Machine Interface HMI FRONT PANEL DISPLAY 2 The HMI display has three display modes 1 STATUS mode the HMI displays the non editable operating state of the DVR as described in Table 6 2 The display flashes 3 while in STATUS mode EDIT mode The HMI displays a multi layer menu for reading and editing operating parameters of the DVR as described in Table 6 3 The display is steady on while in EDIT mode SLEEP mode The HMI turns off the display after a period of button press inactivity Display Description I No display is the default mode of the HMI No display indicates that the regulator is no display mE operating normally but operating in a sleep mode mw This display indicates that the regulator is operating normally with excitation om This display indicates that the regulator is operating normally and excitation is disabled AXXX where xxx This display indicates that the regulator is in an alarm state During this state the indicates a three digit regulator continues to provide excitation if excitation is enabled alarm code See Appendix for description of Alarm Codes FXXX where xxx This display indicates that the regulator is in a fault state During this state the indicates a thre
16. by others OO J O O1 O N Figure 5 10 Typical Connections with ABC Rotation Single Phase Voltage Sensing and Single Phase Current Sensing marathon Generators 29 Installation QUICK CONNECT TERMINALS SENSING VOLTAGE Network EXCITER NOTES 1 Excitation enabled when switch S3 is open and disabled when switch is closed e 2 SPDT spring return to center OFF position type switch S1 for remote set point adjust 3 J1 10 DROOP OFF and J1 9 VAR PF OFF if DVR2000EC are shorted to J1 4 CGND to disable droop and VAR PF control modes 4 Normally open contact closes in a fault condition 5 Analog signal input when Auxiliary is configured for control or metering 6 Should be shorted when Auxiliary is configured for 4 20 mA control or metering 7 Sensing potential transformer is required if generator output voltage exceeds 600 Volts 8 Phase B current transformer CT B secondary may be connected to either quick connect terminals CT1 and CT2 or J2 2 and J2 11 9 120 ohm 0 25 watt resistor required if DVR is a terminal device on CAN backbone 10 S1 S3 and transfomers supplied by others Figure 5 11 Typical Connections to a Single Phase Generator marathon 30 Generators Installation DVR 2000E ccc LOAD ENABLE CONTACT DVR 2000E ou LOAD ENABLE CONTACT DVR 2000E Figure 5 13 Cross Current Reactive Differential Connections for T
17. metering group e Control Message Time is the amount of time between the transmission of messages in the control group e Generator Status Message Time is the amount of time between the transmission of messages in the generator status group e Regulator Status Message Time is the amount of time between the transmission of messages in the regulator status group e Message Timeout Time is the amount of time before a Loss of Communication alarm is triggered The checkbox permits enabling disabling of this feature CAN Priorities 6b This panel has pull down menus for assigning the priorities to the message groups transmitted by the DVR e Meter Priority is the priority given to mes sages in the metering group e Control Priority is the priority given to mes sages in the control group e Generator Status Priority is the priority given to messages in the generator status group e Regulator Status Priority is the priority given to messages in the regulator status group marathon Generators 51 DVRPortal Graphical User Interface GUI IDENTIFICATION TAB 7 This panel contains non editable fields for the DVR serial number software version settings version and 52 COM1 Marathon Electric DYR Portal 1 5 Serial Number is the serial number of the DVR Software Version is the version of DVR firmware Settings Version is the version of factory default settings for the DVR MODB
18. parameters The Identification tab contains information specific to the regulator and allows for custom identification tags HEADER 1 PARAMETER EDIT BUTTONS On some of the parameter selection screens you will find the following buttons Apply Pressing this button sends the values in the currently active tab of DVRPortal to the DVR RAM Undo Pressing this button displays the values just prior to the last edit in the currently active tab of DVRPortal M These values can then be sent to the DVR RAM by clicking on the Apply button Refresh Pressing this button loads the values that are presently in the DVR RAM into the currently active tab of DVRPortal This is the main panel in DVRPortal It is present on all screens E COM1 Marathon Electric DYR Portal 1 5 DVR Status 1a The header panel includes four indicators that enun ciate the DVR status e Run State If the DVR is in a run state the header will display a green run indicator e Off State If the DVR is in an excitation off state the header will display a gray off indicator e Alarm State If the DVR is in an alarm state the header will display a yellow alarm indicator e Fault State If the DVR is in a fault state the header will display a red fault indicator fk BK ue omm F EA Configuration tabs 1b The configuration tabs are buttons that access the Metering Configuration and Identification panels Administrati
19. select the appropriate set point Sensed Voltage for AVR3 and AVR1 regulation modes Field Current level for FCR regulation mode and then press ENTER E The entered value will flash 3 times to indicate that your selection has been saved The display will again read STPT Press SELECT The word UFRQ will appear in the display Press ENTER Use the UP and DOWNM arrows to select the appropriate Under frequency threshold and then press ENTER The entered value will flash 3 times to indicate that your selection has been saved The display will again read UFRQ Press SELECT The word DROP will appear in the display Press ENTER Use the UP and DOWN arrows to select the appropriate level of droop as a percentage of desired sensed voltage and then press ENTER The entered value will flash 3 times to indicate that your selection has been saved The display will again read DROP Press SELECT The word AU will appear in the display Press ENTER Use the UP and DOWN arrows to select the appropriate auxiliary input mode and then press ENTERIB The entered value will flash 3 times to indicate that your selection has been saved The display will again read AU Remove power from the regulator Completely reconnect the regulator to the generator The regulator is now ready to be placed in service marathon Generators 65 Appendix D ABBREVIATIONS amp ACRONYMS C F A Aac AC Adc AV
20. the operation of the individual adjustments before attempting any adjustments 32 marathon PRELIMINARY SETUP ON GENERATOR The DVR may be configured on the generator using the following procedure 1 Before starting the engine remove the regu lator s 4 0 A fuse This will prevent the gen erators PMG from energizing the regulator and prevent unintended operating functions from occurring Perform all preliminary engine governor adjustments with the regulator de energized After initial governor adjustments are com plete shut down the prime mover Reinstall the 4 0 A fuse Disconnect the E3 and F terminal connectors from the regulator and temporarily insulate them to prevent acci dental shorting Start and run the generator at rated speed The regulator will enter a Loss of Sensing shutdown mode indicated by F011 on the display At this time initial adjustments can be made If adjusting via the HMI see Section 6 Making Settings Changes f adjusting via DVRPortal see Section 7 After the initial adjustments are made shut down the generator and reconnect the regu lator leads removed in Step 3 The generator may be started and final adjustments may be performed on the regulator PRELIMINARY SETUP ON BENCH The DVR may be configured on a bench using the following procedure 1 Generators Connect a 100 120 Vac 50 60 Hz source to terminals 3 4 and GND as follows a 120 V hot term
21. with user defined scaling A voltage up to 5 000 Vdc or a current of 4 mA to 20 mA may be applied to terminals J1 1 and J1 12 The circuit imposes a 2260 ohm burden on the DC source for voltage input The circuit imposes a 250 ohm burden on the DC source for current input when a jumper is applied across terminals J1 5 and J1 8 AUX_LOOP The default scaling is 5000 PU counts for a 5 000 Vdc voltage input and 5000 PU counts for a 20 mA cur rent input The user provides further scaling through DVRPortal Example For a scale factor of 0 20 units the metered value corresponding to a 5 000 Vdc voltage input will be 100 units The metered value corresponding to a 20 mA current input will be 100 units Load Sharing NOTE The machine nameplate rated power rated power factor CT Ratio and PT Ratio if applicable MUST be entered in DVRPortal and cannot be marathon Generators 11 Features and Protection entered via the HMI to calculate the proper rated reactive power for the droop reference The DVR provides a reactive droop compensa tion feature to enable reactive load sharing during parallel generator operation When this feature is enabled the DVR calculates the reactive portion of the generator load using the sensed generator out put voltage and current quantities and then modifies the voltage regulation set point accordingly A unity power factor generator load results in almost no change in
22. you have a safety concern not covered by the instructions STOP and contact the generator manufacturer Table of Contents SECTION t SAFETY MEBRMBSUCIENMUEMIERE 3 SECTION 2 GENERAL Ol EET ET 4 Manual Conventions 212428222220 van Cote ee e 4 Regulator Mode et E DCN 4 Features exce pur U rans races vea rca s vr ae YER dE ae E I VOR e FRE Vea B Yu 4 Protection u uuu kk lk uu us 4 SECTION 3 SPECIFICATIONS Operating WE 5 Generator Voltage Sensing U u a ka l SR kk n 5 Generator Current SOnsllig MEN 5 Contact ue 5 Fault Contact Output UE dT 5 Field OUtpUt EE 5 AVR1 and 3 Operating E 5 FCR Operating Mod u uu Uu uu eegen EEN 5 VAR Operating Mode EC EE 5 PF Operating ee E 5 Parallel Comp ans At EEN 5 Serial COMMUNICATION PONT oo ii et kk ki ee 5 CAN Communication PON evi chan CN 5 Over Excitation Protection td li kk kk u uu u e A a D 6 Under Excitation Protection uu UU cuneo ener e Do anko Eoo knn anan sava kapo KR PETERRRRKKREERKEE 6 Field Current Limit Protections 6 Power Limit PrOtectiOni kok ae a oec repa n ence ine sen ep l e RURRENRVEREEFERVEHREFCUVRFERVERIXHEVEEFNEREEN 6 Field Instantaneous Over Current Protection ss 6 Generator Over Voltage Protection E 6 Generator Under Voltage Protection 1 1 u ko ks Ek A eee 6 Re
23. 2 CT Connection Terminals ES Generator armature PhaseC F Exciter stator fed Table B 1 Quick Disconnect Terminals The following table should be used when making system connections to the regulator PinNumber Name Description 3 AUXIN G Laien input positive 4 jco nputcommon n 6 CONTACT Contactoutput S O CONTACT go AUX LOOP Auxiliary current loop jumper wm m EC oniy acte ow disable contact input mU tr Rm TT pt RR Table B 3 Connector J1 System Connections marathon Generators 63 Appendix B The following table should be used when making MODBUS communication connections to the regulator x i vo en EN Data Terminal Ready 6 DataSetHeady DSR pos we LI o we Table B 4 RS 232 Communication Port Pin Functions The following table should be used when making CAN communication connections to the regulator CAN CANHgh O CAN H _H NE EU Table B 5 Connector J3 System Connections marathon 64 Generators QUICK START PROGRAMMING GUIDE As the DVR is designed to work on many Marathon Electric generators in many different applications it is necessary to program the regulator prior to putting it in service Please observe the following proce dure to program the regulator through the Human Machine Interface or HMI 2 Disconnect all connections to the regulator
24. 2000 0 100 100 0 0 0 00 kVAR 1 000 0 600 0 600 Aux Meter Scale 0000 Factor 1 0000 0 0002 10 0 Aux Control Scale Factor 1 30 Machine Nameplate Rating 4a This panel contains the fields for the rated power and rated power factor of the machine the DVR is regulating If the rated power selected matches the default rated power for a given frame size an indicator will specify this condition Note These fields are critical for proper regulation in droop compensation and in the EC for VAR and PF regulation modes Customer Administration Load Factory Settings Load Config Logn Save To EEPROM Save Config WM DROOP OFF Step Offset Enabled Regulation Set Points 4b This panel contains the editable fields for selecting the DVR set point for the various regulation modes and the frequency characteristics of the DVR e Regulator Voltage Set Point is editable in AVR1 and AVR3 and for the EC in VAR and PF regulation modes This value represents the desired voltage at the regulator voltage sensing terminals regardless of PT ratio Offsets from the UP and DOWN contacts marathon 44 Generators DVRPortal Graphical User Interface GUI auxiliary input droop step change and or the CAN bus are derived from this set point If there are no PT s and the DVR sensing leads are connected line to line the desired generator output voltage is
25. 7 DVRPortal GRAPHICAL USER INTERFACE GUI Parameter Edit Buttons ke nan kin n n n a n n nn a A a a n n a n OL n On n OK n KO e po 38 Header EE 38 Metle ng iom 40 Configuration Tabac 41 Operating Modes Sub Panel nement iu tU ON RS CRI UE UU MN kk FORE 42 Set Points SUD Panel ulula aa Eege knn oe ren a a EN ege 44 Protection Settings e EE 47 Blue 49 CAN Bus Configuration Sub WE TE 50 Identification Ibuu M ER 52 SECTION 8 MAINTENANCE AND TROUBLESHOOTING Preventative Maintenance veve e eke LLULLU anuo kk RO sasa wawas En sa ko ARE a KE aka SA an pe ban RENE 53 MOU BI SAOO N ER 54 APPENDIX A Alarm CON OS kn konin oka ik ta n kana dtan aan EDAD 61 F SUN Codes ocaeca ki t k tt ta a a ka a k a l a a E cas e DRE a E kk pa a LORI a a a a 61 APPENDIX B Connector Piri out Figures and Tables 1 1 n ik n a n kk e kk EE UV ka kk 62 APPENDIX C Quick Start Programming Guides sikisal kk ka ii kk Ak kk ek kk kk kk 65 APPENDIX D Abbreviations and Acronyms enne nennen enhn NENNEN EEN 66 marathon 2 Generators DEFINITION The word Generator as used in this publication includes only the products of Marathon Electric a subsidiary of RBC Manufacturing Corporation and does not include the prime mover or any of the prime mover related systems or accessories ELECTRICAL SAFETY ELECTRICAL HAZARD Failure to connect the voltag
26. F regulation disable contact active low EC only i i 6 CONTACT UP and DOWN Contact Inputs Remote set point adjustment may be accomplished by connecting a SPDT momentary contact switch to the J1 connector UP and DOWN contacts To connect this switch the common terminal must be connected to J1 4 CGND The other two switch ter minals are connected to J1 2 UP and J1 3 DOWN Refer to Section 4 Features and Protection for a detailed description of the UP and DOWN contact function Parallel Generator Compensation Enable Disable DROOP OFF A user can enable or disable the integrated load sharing function of the regulator by opening or closing contact between J1 10 DROOP OFF and J1 4 CGND Closing the contact disables the droop function Refer to Section 4 Features and Protection for a detailed description of the Load Sharing function Excitation Enable Disable EXCITATION OFF A user can enable or disable excitation by opening or closing contact between J1 11 EXCITATION OFF and J1 4 CGND Closing the contact disables exci tation Refer to Section 4 Features and Protection for a detailed description of the Excitation Off function Auxiliary Input AUX IN AUX IN and AUX_ LOOP This input allows a user to control the regulator with an auxiliary piece of equipment by connecting a voltage source to J1 1 AUX IN and J1 12 AUX IN The regulator can also be configured to accept a vol
27. M button Note When a file is transferred from a computer to the regulator the operating status will switch to OFF and excitation is disabled To enable excitation with the new settings save settings to EEPROM and then click the Excitation ON button on the Operating Modes sub panel of the Configure tab Save Config When this button is pressed the user will be prompted to select a xml file name When the file is selected all user adjustable settings presently in the volatile RAM memory are saved into the selected xml file These settings can be edited and loaded to the regulator s volatile RAM memory by pressing the Load Config button Note xml files are text files that can be printed for reference Connect When this button is pressed DVRPortal estab lishes communication with the DVR Communication must be established before data can be transferred between the DVR and DVRPortal When con nected this button displays Disconnect to permit disconnection of communication Digital Input Pins 1d There are five indicators labeled VAR PF OFF EC only DROOP OFF UP DOWN and EXC OFF in the header These indicators show the status of the five input signals to the regulator If their corresponding input contacts are closed they will show as yellow If the corresponding input contacts are open they will show as gray marathon Generators 39 DVRPortal Graphical User I
28. R1 AVR3 CAN CT DC DVR ECU EEPROM FCR g G HMI Hz k Ib LED LSB MSB PDU PF PMG PT PU RAM RMS SPDT THD VA Vac VAR Vdc 66 Degrees Celsius Degrees Fahrenheit Amperes AC Current Alternating Current DC Current Automatic Voltage Regulation Single phase Sensing Automatic Voltage Regulation Three phase Sensing Controlled Area Network Current Transformer Direct Current Digital Voltage Regulator model DVR 2000E or DVR 2000EC Electronic Control Unit Electrically Erasable Programmable Read Only Memory Field Current Regulation gram unit of gravitational acceleration Human Machine Interface Hertz kilo 1 000x pound Light Emitting Diode Least Significant Byte mega 1 000 000x milli 0 001 x Most Significant Byte Protocol Data Unit Power Factor Permanent Magnet Generator Potential Transformer Per Unit Random Access Memory Root Mean Square Single Pole Double Throw Total Harmonic Distortion micro 0 000001 x Volts Volt Amps for Apparent Power AC Voltage Reactive Volt Amps for Reactive Power DC Voltage Watts Ohms marathon Generators marathon Genera tors 67 68 marathon Generators marathon Generators 100 E Randolph Street A
29. T mode the HMI will display the current value of the selected parameter 4 Press or hold the UP El and DOWN B but tons to modify the displayed parameter to its desired value Parameter changes takes immediate effect For parameters other than STPT pressing the SELECT button es capes EDIT mode without modifying the parameter For STPT pressing the SELECT A button escapes EDIT mode but preserves any modification 5 To store the displayed parameter value to non volatile memory press the ENTER button The stored parameter value will flash three times to confirm the entry NOTE While in STATUS mode pressing either the UP W or DOWN M button places the regulator directly into STPT EDIT mode This feature allows a shortcut to set point adjustment marathon Generators 37 DVRPortal Graphical User Interface GUI DVRPortal M offers a means of programming the regulator and monitoring generator performance This Windows application software is available as a free download from the Marathon Electric website www marathonelectric com With this software the user will be able to change all of the programmable parameters DVRPortal consists of a header and three panels Metering Configuration and Identification The header displays regulator status and basic adminis tration functions The Metering tab displays metered quantities and fault information The Configuration tab permits editing of all programmable
30. US Address is the MODBUS address of the DVR Currently this is not editable and has a default value of 1 marathon Generators MODBUS address It also contains editable fields for custom tags p a a Seve To EEPROM el Customer Tag 1 is a 15 character string that can be stored to the DVR The Write Tags button will write the string into the DVR RAM but a Save to EEPROM is needed to store the tag in the non volatile memory Customer Tag 2 is a 15 character string that can be stored to the DVR Note The Write Tags button will write the string into the DVR RAM but a Save to EEPROM is needed to store the tag in the non volatile memory Maintenance and Troubleshooting ELECTRICAL SHOCK HAZARD Failure to follow these instructions may result in serious personal injury death and or property damage A Installation and repair of electrical generators and voltage regulators should be attempted by qualified personnel only Electrical con nections shall be made by a qualified electri cian in accordance with all local national international and or other applicable codes rules or regulations and sound practices A Do not touch electrically live parts Disconnect lockout and tag prime mover and input power supplies before installing or servicing voltage regulator Use a voltmeter to verify that power is off before contacting conductors A Do not open terminal box or touch unpro tected terminals w
31. age DO NOT DISASSEMBLE Only qualified personnel who know local national international and or other applicable codes rules or regulations and sound practices should install or repair electric generators and voltage regulators Failure to follow these instructions could result in serious personal injury death and or property damage GENERAL Generally the DVR is supplied mounted to the conduit box of the generator The purpose of this section is to provide mounting information to cus tomers replacing an existing regulator with the DVR or those wishing to mount the regulator remotely If the unit is not installed immediately store it in the original shipping package in an environment free of moisture and dust MOUNTING The DVR is normally located in the generator conduit box It is designed for behind the panel mounting and requires a cutout for front panel viewing and access Mounting hardware consists of six customer supplied 12 thread forming screws that pass through holes in the conduit box and thread into the mounting holes in the DVR The recommended torque range for the steel mounting screws is 36 to 40 inch pounds 4 1 to 4 5 Newton marathon Generators 17 Installation meters Refer to Section 3 Specifications for envi DVR rear panel with cover dimensions are shown in ronmental requirements Figure 5 2 DVR front panel and uncovered rear dimensions are Cutout and drilling dimensions are show
32. ators even when no excitation is applied Residual voltage is present at the generator leads and regulator connections even when the regulator fuse is removed A Ground earth regulator in accordance with local national international and or other applicable codes rules or regulations MAGNETIC FIELD HAZARD Permanent magnet generator PMG rotors when removed from the stator expose surrounding per sonnel and equipment to powerful magnetic fields which may cause serious health hazards to persons with pacemakers hearing aids or other implanted electronic medical devices and may impact other electronic devices such as mobile phones credit cards etc EXPLOSION HAZARD Beware of arcing when connecting test leads Arcing could spark an explosion if exposed to battery gases fuel vapors or other hazardous atmospheres Failure to follow these instructions could result in serious personal injury death and or property damage MECHANICAL SAFETY ROTATING PARTS HAZARD Keep extremities hair jewelry and clothing away from moving parts Failure to follow these instruc tions could result in serious personal injury death and or property damage OVERSPEED HAZARD Do not exceed the rated speed of the generator Excessive centrifugal forces could damage the rotating fields and cause parts to be expelled at a high rate of speed Failure to follow these instruc tions could result in serious personal injury death and or property dam
33. compatibility EMC Part 6 4 Generic standards Emission standard for industrial environments Electromagnetic Compatibility Tests Immunity Electrostatic Discharge ESD IEC 61000 4 2 Radiated RF IEC 61000 4 3 Electrical Fast Transient EFT Burst IEC 61000 4 4 Conducted RF IEC 61000 4 6 Power Frequency and Magnetic Field IEC 61000 4 8 Emission Radiated RF EN 61000 6 4 2007 30 MHz to 1000 MHz Mechanical Tests Shock 20 Gs in 3 perpendicular planes Vibration 2 5 Gs at 5 to 26 Hz 0 050 double amplitude 27 to 52 Hz 7 Gs at 53 to 500 Hz Physical Weight 3 5 Ib 1590 g Mating Connectors J1 Mating Plug Housing Deutsch DT06 12SB P012 Mating Plug Wedge Lock W12S P012 Mating Plug Terminals 0462 201 16141 J2 Mating Plug Housing Deutsch DT06 12SA P012 Mating Plug Wedge Lock W12S P012 Mating Plug Terminals 0462 201 16141 J3 Mating Plug Housing Mating Plug Terminals Amp Tyco 172166 1 170366 3 marathon Generators 7 Features and Protection INTRODUCTION This section describes how the DVR functions and explains its operating features DVR functions are illustrated in the block diagram of Figure 4 1 Input Power Generator Sensing Analog Exciter Field Sensing Auxiliary Input Input Up Down Contact Droop Off Excitation Off Inputs VARIPF Off RS 232 CAN Com ren Part Power Exciter Field Amplifier Stage Fault Controller Output Contact HMI HMI Sw
34. ction DOWN Closing the DOWN contact across terminals J1 3 and J1 4 causes the active operating set point to decrease Keeping either contact closed will continue to increase UP or decrease DOWN the operating set point until a limit is reached The limit is determined by the Maximum External Contact Adjust field of DVRPortal The effect generated by the contacts is displayed in DVRPortal on the Set Points Tab as the value Contact Offset Note If power is removed from the DVR the settings from the remote UP DOWN contacts will be lost DROOP_OFF This function enables reactive load sharing between generators operating in parallel Closing the DROOP_ OFF contact across terminals J1 10 and J1 4 dis ables voltage droop Opening the contact enables voltage droop EXCITATION_OFF This contact input enables removal of excitation without removing power to the regulator Closing the EXCITATION_OFF contact across terminals J1 11 and J1 4 disables field excitation Opening the con tact enables field excitation with a soft start and clears any alarms or faults VAR PF_OFF EC only NOTE Operation in VAR or PF modes should only be enabled when generator is paralleled with utility infinite bus This function enables VAR or PF regulation when the generator is paralleled to utility Opening the VAR PF_OFF contact across terminals J1 9 and J1 4 enables VAR or PF control Closing the contact disables VAR or PF regulati
35. d in the Operating Modes Tab in DVRPortal Loss of CAN Communication Alarm The Loss of CAN Communication protection feature indicates an alarm if communication traffic between the DVR and any Electronic Control Unit ECU on the CAN bus The alarm is triggered if the regulator does not receive a VR Heartbeat message within the threshold time Refer to the DVR2000E EC CAN Bus Interface User Guide for details marathon Generators ELECTRICAL HAZARD Failure to connect the voltage regulator in accor dance with the manufacturer s documentation may result in serious personal injury death and or property damage ELECTRICAL SHOCK HAZARD Failure to follow these instructions may result in serious personal injury death and or property damage A Installation and repair of electrical generators and voltage regulators should be attempted by qualified personnel only Electrical connections shall be made by a qualified elec trician in accordance with all local national international and or other applicable codes rules or regulations and sound practices Do not touch electrically live parts Disconnect lockout and tag prime mover and input power supplies before installing or servicing voltage regulator Use a voltmeter to verify that power is off before contacting conductors A Do not open terminal box or touch unpro tected terminals while the generator shaft is rotating Shaft rotation produces voltage in gener
36. down EC only New Field Current Limiting Alarm Enhanced Generator Under Frequency Alarm Generator Power Limit Alarm New Loss of CAN Communication Alarm Enhanced marathon Generators Operating Power Type 1 phase ungrounded PMG Range 180 240 Vac 250 300 Hz Burden 350 VA Fuse Type Time delay 250V 4 0A Terminals 3 4 Generator Voltage Sensing Type 1 phase 3 phase Range 100 to 600 Vac 50 60 Hz Burden lt 1 VA per phase Terminals E1 E2 E3 Generator Current Sensing Type 1 phase BQ 3 phase Rating 5 Aac continuous 50 60Hz Input Impedance 10 mQ Terminals CT1 CT2 for 1 phase BO J2 1 J2 12 for 3 phase A J2 2 J2 11 for 3 phase BO J2 3 J2 10 for 3 phase CO Contact Inputs Type Dry Contact Input PU Voltage 3 3 Vdc Terminals DROOP OFF J1 10 J1 4 UP J1 2 J1 4 DOWN J1 3 J1 4 EXCITATION OFF J1 11 J1 4 VAR PF OFF J1 9 J1 4 EC only Fault Contact Output Type Form A Rated Load 3 A continuous Break 3 Aac 0 1 Adc Operating Voltage 240 Vac 250 Vdc maximum Terminals J1 6 J1 7 Field Output Continuous Rating 75 Vdc 3 0 Adc 10 Second Forcing Rating 200 Vac Power Input 150 Vdc 6 5 Adc Field Resistance 18 to 35 O Terminals F F Specifications AVR1 and AVR3 Operating Modes Range 100 0 to 600 0 Vac Voltage Regulation 0 25 96 over load range at rated power factor and constant generator frequency Temperature Dri
37. e digit regulator ceases to provide excitation alarm code See Appendix for description of Fault Codes Table 6 2 DVR HMI STATUS Mode Display Descriptions marathon Generators 35 Human Machine Interface HMI 281 to 1040 AVRS AVRI FCR VAR 100 0 to 630 0 0 000 to 3 000 0 0 to 10 0 0 000 to 0 999 UFRQ 40 0H to 70 0H 0 0 to 10 0 Voltage droop 96 at rated reactive power 1 OFF Auxiliary Off Auxiliary input is disabled CNT1 Auxiliary Control 1 Auxiliary input modifies regulation set point 3 to 3 Vdc input SCLF Auxiliary Meter Auxiliary input is used as a meter with user defined scale factor CNT2 Auxiliary Control 2 Auxiliary input modifies regulation set point 4 to 20 mA input Table 6 3 DVR HMI EDIT Mode Parameters marathon 36 Generators Human Machine Interface HMI MAKING SETTINGS CHANGES 1 The default state of the HMI display is SLEEP mode The HMI will enter the SLEEP mode after 60 seconds of inactivity no button presses Any HMI button press will place the HMI into STATUS mode n order to make changes to settings the following pro cedure is used 2 Repeatedly press the SELECT A button stepping through the main menu until the desired parameter is displayed see Table 6 3 If no button is pressed within 60 sec onds the display will return to STATUS mode 3 Press the ENTER amp button to place the HMI into EDIT mode In EDI
38. e fault is triggered if generator reverse power stays above the threshold for the duration of the timer Non Configurable Protection Shutdowns Non configurable protection features have factory defined settings for thresholds and timers if appli cable Each shutdown feature below describes the details of the conditions for the shutdown event to occur Loss of Generator Sensing Shutdown The Loss of Generator Sensing protection feature is triggered if sensing input continuity is lost There is no alarm for this condition the fault and shutdown is triggered shortly after the condition is met Note In AVR1 AVR3 VAR and PF regulation modes Loss of Sensing is not enabled until a speed of 850 RPM is detected Instantaneous Field Over Current Shutdown The Instantaneous Field Over Current protection fea ture triggers a fault if generator field current exceeds 11 Adc There is no alarm for this condition the fault and shutdown is triggered shortly after the condition is met Regulator Over Temperature Shutdown The Regulator Over Temperature protection feature is triggered if the internal regulator temperature exceeds a factory default alarm threshold A fault is triggered if the regulator temperature exceeds a fac tory default shutdown threshold marathon 14 Generators Features and Protection Generator Start Up Shutdown EC Only The Generator Start Up Shutdown protection feature is triggered if the generator is s
39. e regulator in accor dance with the manufacturer s documentation may result in serious personal injury death and or property damage ELECTRICAL SHOCK HAZARD Failure to follow these instructions may result in serious personal injury death and or property damage A Installation and repair of electrical generators and voltage regulators should be attempted by qualified personnel only Electrical con nections shall be made by a qualified electri cian in accordance with all local national international and or other applicable codes rules or regulations and sound practices Do not touch electrically live parts Disconnect lockout and tag prime mover and input power supplies before installing or servicing voltage regulator Use a voltmeter to verify that power is off before contacting conductors A Do not open terminal box or touch unpro tected terminals while the generator shaft is rotating Shaft rotation produces voltage in generators even when no excitation is applied Residual voltage is present at the generator leads and regulator connections even when the regulator fuse is removed A Ground earth regulator in accordance with local national international and or other applicable codes rules or regulations MAGNETIC FIELD HAZARD Permanent magnet generator PMG rotors when removed from the stator expose surrounding personnel and equipment to powerful magnetic fields which may cause serious health hazards to Safe
40. encing set point Are UP DOWN contact inputs influencing set Monitor Contact no Offset Adjust as necessary Use DVRPortal Monitor Droop Is Droop function influencing set point Offset Set Droop to 0 if not needed ENERATOR VOLTAGB NOT STABLE Use HMI or DVRPortal Does DVR Frame Size setting match Inspect DVR Frame Size setting Change tq agree with generator if necessary Is Aux Input influencing set point Monitor Aux Input signal source for stability Turn off Aux Input if not needed DROOP CONTROL OR VAR PP REGULATION NOT WORKING Visual Check Use DVRPortal amp Are PT if used ratio s polarity correct Ratio setting and adjust as necessary Check PT polarity Visual Check Use DVRPortal amp Is CT ratio correct Check DVR for C Ratio setting and adjust as necessary Visual Check Use DVRPortal amp Is CT polarity correct Check physical markings on CTs or compare DVRPorta power meter with known kW Correct ag necessary See Figs 4 7 4 8 4 9 marathon Generators Maintenance and Troubleshooting ALARMS AND FAULTS TROUBLESHOOTING FLOWCHART Generator Power Limit Alarm Is Power Limit threshold too low Use DVRPortal amp check Check Power Limi threshold and adjust as necessary Use DVRPortal amp check Is CT ratio correct Check CT Ratio setting and adju
41. ency Volts Hertz regulation e True RMS Three phase or single phase generator voltage sensing e True RMS Three phase or single phase generator current sensing optional CT s required e True RMS three phase power metering optional CT s required e Field current sensing e Field voltage monitoring Contact inputs for system interface capability e Contact output for fault indication Generator paralleling with reactive droop com pensation and reactive differential compensation Enhanced e Front panel human machine interface HMI for status and configuration MODBUS protocol via RS232 for external communication Enhanced e DVRPortal Windows based software for configuration and monitoring Enhanced CAN interface with CAN 2 0B J1939 protocol for metering and control Enhanced Power on LED indicator Configurable auxiliary input for metering and control Enhanced e Simulated reactive power for droop set up New Generator power limiting mode New PROTECTION The DVR has the following protection features Field Over Excitation Shutdown Field Under Excitation Shutdown New Generator Over Voltage Shutdown Enhanced Generator Under Voltage Shutdown Generator Voltage Imbalance Shutdown Enhanced Loss of Generator Sensing Shutdown Instantaneous Field Over Current Shutdown e Regulator Over Temperature Shutdown Generator Reverse Power Shutdown Enhanced Generator Start Up Fault Shut
42. er Excitation Timer is the amount of time the regulator operates before shutting down due to a Field Under Excitation marathon fault Refer to Section 4 Features and Protection for a detailed description of the Field Over Excitation Shutdown feature Reverse Power Threshold is the percentage of Rated Power flow into the generator trig gers the Reverse Power protection feature Refer to Section 4 Features and Protection for a detailed description of the Generator Voltage Imbalance Shutdown protection feature Reverse Power Timer is the amount of time the regulator operates before shutting down due to a Reverse Power fault Refer to Section 4 Features and Protection for a detailed description of the Generator Voltage Imbalance Shutdown protection feature Voltage Imbalance Threshold is the percentage difference between the average generator voltage and any individual line to line voltage that triggers the Generator Voltage Imbalance protection feature Refer to Section 4 Features and Protection for a detailed description of the Generator Voltage Imbalance Shutdown protection feature Voltage Imbalance Timer is the amount of time the regulator operates before shutting down due to a Generator Voltage Imbalance fault Refer to Section 4 Features and Protection for a detailed description of the Generator Voltage Imbalance Shutdown pro tection feature Protection Table Legend 5b This legend indicates which p
43. ft x 0 0125 Yo per degree C Under frequency V Hz Slope 1 00 to 3 00 PU Knee 40 0 to 70 0 Hz FCR Operating Mode Range Current Regulation 0 000 to 3 000 Adc 1 0 over 18 to 35 Ohms of exciter resistance Temperature Drift x 0 012596 per degree C VAR Operating Mode EC Only Range 100 0 100 0 of rated kVAR 3 0 of rated kVAR x 0 0125 Yo per degree C VAR Regulation Temperature Drift PF Operating Mode EC Only Range 0 600 to 40 600 PU PF Regulation 0 02 PU Temperature Drift x 0 0125 Yo per degree C Parallel Compensation Modes Reactive Droop and Reactive Differential cross current Droop Range 0 0 to 10 0 96 Serial Communication Port Interface Full Duplex RS 232 Connector DB 9 connector rear panel Baud 4800 Data Bits 8 Parity None Stop Bit 1 or 2 Handshaking None CAN Communication Port Connector J3 Protocol SAE J1939 Data Rate 250 kbits sec marathon Generators 5 Specifications Over Excitation Protection Threshold 0 500 to 4 000 Adc Timer 1 0 to 15 0 seconds Under Excitation Protection Threshold 100 0 to 5 0 of rated kVAR Timer 1 0 to 15 0 seconds Field Current Limit Threshold 0 500 to 6 500 Adc Power Limit Threshold 5 0 to 115 0 9o of rated kW Field Instantaneous Over Current Protection Threshold 11 Adc Generator Over Voltage Protection Threshold 5 0 to 20 0 of voltage set point Timer 0 1 to 15 0 seconds Ge
44. generator output voltage A lagging power factor generator load inductive results in a reduction of generator output voltage A leading power factor generator load capacitive results in an increase of generator output voltage Droop is adjustable up to 10 0 with rated reactive power VAR s and rated power factor The effect of droop on the set point is displayed in DVRPortal The droop feature is enabled and disabled through the DROOP OFF contact input circuit terminals J1 10 and J1 4 When single phase current sens ing is used the droop function responds to phase B current When three phase current sensing is used the droop function responds to the average phase current Generator Soft Start The DVR incorporates an adjustable soft start feature that controls the time for generator voltage to ramp to the regulation set point This feature is enabled in AVR3 and AVR1 regulation modes The ramp rate is adjustable from 2 to 120 seconds default of 3 seconds This adjustment is made through DVRPortal and cannot be made through the HMI The Generator Under Frequency feature is also active during Generator Soft Start and takes priority in control of the generator voltage marathon 12 Generators Features and Protection DVR PROTECTION FUNCTIONS Protection Configurable Threshold Threshold Timer Timer Alarm Fault Feature Range Units Range Ft ee pes Field Over 0 500 4 000 ane Excitation 1 0 15 de ES Foos
45. gulators can be interconnected for use in Cross Current Reactive Differential applications When operating in Cross Current mode attention must be paid to the use of the burden resistor shown in Figures 5 12 and 5 13 The burden resistor should have a value of approximately 10 times the cross current loop resis tance for proper differential operation The value of 0 1 ohm is a suggested value The volt ampere VA capacity of the paralleling current transformers should be considered when sizing the burden resis tor marathon 26 Generators Installation QUICK CONNECT TERMINALS INPUT SENSING FIELD POWER VOLTAGE OUTPUT CT B CT A CTB CT C cr2 1 12 2 14 3 10 1 2 CAN Network EXCITER NOTES Excitation enabled when switch S3 is open and disabled when switch is closed SPDT spring return to center OFF position type switch S1 for remote set point adjust Droop enabled when switch S2 is open and disabled when switch is closed Normally open contact closes in a fault condition Analog signal input when Auxiliary is configured for control or metering Should be shorted when Auxiliary is configured for 4 20 mA control or metering Sensing potential transformer is required if generator output voltage exceeds 600 Volts VAR PF regulation enabled when auxiliary contact 52B is open and disabled when 52B is closed 9 Phase B current transformer CT B
46. hical User Interface GUI CAN BUS CONFIGURATION 6 the DVR Refer to the DVR2000E EC CAN Bus This panel contains editable fields for parameters Interface User Guide for a detailed description of associated with the CAN Bus communication of these features COM1 Marathon Electric DVR Portal 1 5 ECU1 Source Address ECU2 Source Address ECU3 Source Address Metering Message Time 03 S 005 20 Control Message Time 93 0025 1 0 Generator Status Message Time SS 05 15 Regulator Status Message Time e 01 50 Enable Message Timeout Message Timeout Time _ s 10 450 CAN Addresses and Message Times 6a of the second highest priority Electronic This panel allows editing of CAN addresses and Control Unit that the DVR will respond to message times e ECU3 Source Address is the CAN address Regulator CAN Address is the CAN address of the lowest priority Electronic Control Unit of the DVR that the DVR will respond to ECU1 Source Address is the CAN address Note The ECU addresses can all be assigned to the of the highest priority Electronic Control Unit same control unit They should only be different if the that the DVR will respond to DVR needs to communicate with more than one ECU e ECU2 Source Address is the CAN address marathon 50 Generators DVRPortal Graphical User Interface GUI e Metering Message Time is the amount of time between the transmission of messages in the
47. hile the generator shaft is rotating Shaft rotation produces voltage in generators even when no excitation is applied Residual voltage is present at the generator leads and regulator connections even when the regulator fuse is removed A Ground earth regulator in accordance with local national international and or other applicable codes rules or regulations MAGNETIC FIELD HAZARD Permanent magnet generator PMG rotors when removed from the stator expose surrounding per sonnel and equipment to powerful magnetic fields which may cause serious health hazards to persons with pacemakers hearing aids or other implanted electronic medical devices and may impact other electronic devices such as mobile phones credit cards etc EXPLOSION HAZARD Beware of arcing when connecting test leads Arcing could spark an explosion if exposed to battery gases fuel vapors or other hazardous atmospheres Failure to follow these instructions could result in serious personal injury death and or property damage MECHANICAL SAFETY ROTATING PARTS HAZARD Keep extremities hair jewelry and clothing away from moving parts Failure to follow these instruc tions could result in serious personal injury death and or property damage OVERSPEED HAZARD Do not exceed the rated speed of the generator Excessive centrifugal forces could damage the rotating fields and cause parts to be expelled at a high rate of speed Failure to follow these instruc
48. his reference value is comprised of the set point and any offsets currently active marathon 46 Generators DVRPortal Graphical User Interface GUI PROTECTION SETTINGS 5 This panel contains two sub panels for protection settings and limit settings CER EC BEER ESCH Digital Input Fins WV DROOP PF OFF OFF Range Timer Timer Range Generator Over Voltage 5 0 20 0 075 S 0 1 15 0 Generator Under Voltage 3 5 0 50 0 60S 10 150 Field Over Excitation 0 500 4 000 15 0 S 0 15 0 Field Under Excitation 100 0 to 5 0 15 0 S 0 15 0 5 0 100 0 10 0 S 0 15 0 20 0 50 0 125 0 15 0 Protections 5a e Generator Over Voltage Threshold is the This panel contains editable threshold and timer percentage of Regulator Voltage Set Point fields for configurable faults and alarms For most that triggers the Generator Over Voltage applications the default values of these parameters protection feature Refer to Section 4 should be used For protection settings that have a Features and Protection for a detailed threshold as a percentage the Basis column indi description of the Generator Over Voltage cates the DVR parameter used for the percentage Shutdown feature related to that protection feature marathon Generators 47 DVRPortal Graphical User Interface GUI 48 Generator Over Voltage Timer is the amount of time the regulator operates before
49. hree or More Generators marathon Generators 31 PRELIMINARY SETUP SAFETY ELECTRICAL SHOCK HAZARD Failure to follow these instructions may result in serious personal injury death and or property damage A Installation and repair of electrical generators and voltage regulators should be attempted by qualified personnel only Electrical con nections shall be made by a qualified electri cian in accordance with all local national international and or other applicable codes rules or regulations and sound practices Do not touch electrically live parts Disconnect lockout and tag prime mover and input power supplies before installing or servicing voltage regulator Use a voltmeter to verify that power is off before contacting conductors Do not open terminal box or touch unpro tected terminals while the generator shaft is rotating Shaft rotation produces voltage in generators even when no excitation is applied Residual voltage is present at the generator leads and regulator connections even when the regulator fuse is removed Ground earth generators in accordance with local national international and or other applicable codes rules or regulations AWARNING Use caution when working around the component side of the DVR Voltage levels may be present at the exposed components when the unit is energized The protective cover MUST be installed whenever the regulator is energized Note Read and understand
50. icates various operating modes protective func tions and adjustments Section 6 Human Machine Interface provides more information about the front panel display HMI Buttons Changes to settings can be made at the front panel using the four buttons SELECT UP DOWNM and ENTER Refer to Section 6 Human Machine Interface for more information about the front panel switches marathon Generators Features and Protection Fault Output Contact A fault output contact is provided through terminals J1 6 and J1 7 This normally open form A contact closes in the event of a protective shutdown DVR OPERATING FEATURES Regulation Modes The DVR 2000E provides three modes of regulation selectable through the HMI or through DVRPortal The DVR2000EC adds two more regulation modes Automatic Voltage Regulation Modes There are two automatic voltage regulation modes AVR1 should be selected if the regulator is con nected for single phase voltage sensing and AVR3 should be selected if the regulator is connected for three phase voltage sensing In either mode the DVR regulates the RMS generator output voltage Regulation is accomplished by sensing generator output voltage and adjusting dc output excitation current to maintain voltage at the regulation set point The regulation set point is adjusted via the UP and DOWN contact inputs the auxiliary input when enabled the HMI or DVRPortal The Droop and Under Fre
51. identical to the Regulator Voltage Set Point If the DVR sensing leads are connected midpoint to midpoint of a series wye configuration the desired generator output voltage is twice the Regulator Voltage Set Point If there are PT s in the sensing circuit the desired generator output voltage is deter mined by the multiplication of the PT ratio and the Regulator Voltage Set Point Maximum External Contact Adjust is the maximum adjustment percentage of the UP and DOWN contact inputs In FCR Mode field current is adjusted from a fixed mini mum of 3 000 Adc to a fixed maximum of 3 000 Adc using the UP and DOWN con tacts Field Current Set Point is editable in FCR Regulation Mode This value represents the desired field current of the DVR Under Frequency Knee is the value of fre quency below which the regulator operates in a Volts per Hertz mode Refer to Section 4 Features and Protection for a detailed description of Generator Under Frequency Slope Multiplier is the factor applied to the base slope for voltage roll off with respect to frequency in a V Hz mode Refer to Section 4 Features and Protection for a detailed description of Generator Under Frequency Droop is the maximum percentage of Regulator Voltage Set Point allowed for adjustment of voltage during load sharing Refer to Section 4 Features and Protection for a detailed description of Load Sharing marathon PT Ratio is the value of the p
52. ield Current Limiting Generator Under Frequency Generator Power Limit Loss Of CAN Communication Sim PF 0 001 LO 00 Apply DC Metering 2b This panel displays the measured DC values of field current field voltage DVR temperature engine speed and auxiliary input voltage Step Change 2c This panel for enables a voltage step function intended for monitoring DVR performance This function is only utilized in AVR1 or AVR3 regulation modes The panel displays the voltage set point reference from the Configurations panel with arrow keys to permit voltage adjustment up and down Below the set point is a field called Step Change with a valid range of marathon 40 Generators DVRPortal Graphical User Interface GUI 10 to 10 When the Apply button below this field is clicked the DVR will add the given percentage as an offset to the voltage set point Pressing Clear will remove the offset and restore the original set point Simulated Reactive Power 2d This panel enables the simulation of reactive power The radio button for reactive power has two options In Normal mode the metering panels will display the currents and powers in their actual sense In Simulated Reactive Power a flashing indicator will appear in the metering panel that indicates this mode has been selected The apparent power is calculated just as in Normal mode The real and reactive powers are created with the simulated po
53. inal 3 b 120 V neutral terminal 4 c 120 V ground terminal GND Applying voltage larger than 120 Vac with out current in rush limiting may damage the unit 2 If the regulator is in AVR1 or AVR3 regulation mode the regulator will indicate RUN on the display If the regulator is in FCR regulation mode the regulator will indicate F011 on the display 3 At this time initial adjustments can be made f adjusting via the HMI see Section 6 Making Settings Changes If adjusting via the Windows communication software see Section 7 After the initial adjustments are made disconnect the 120 Vac source and install the regulator onto the generator The generator may be started and final adjustments may be performed on the regulator marathon Generators 33 Human Machine Interface HMI GENERAL The DVR HMI consists of four buttons and a four character LED display as illustrated in Figure 6 1 The display indicates status conditions and param eter settings Button function descriptions are given in Table 6 1 MARATHON ELECTRIC ee GENERATORS DVR 2000E Figure 6 1 DVR 2000E HMI shown Button Description This button steps the user through a menu list of editable parameters SELECT It also serves as an escape key in EDIT mode This button increases the setting level of the parameter being adjusted DOWN This button decreases the setting level of the parameter being adjusted ENTER
54. itches Display Figure 4 1 Simplified Block Design DVR FUNCTION BLOCKS The following paragraphs describe each of the func tion blocks inputs and outputs Refer to Figure 4 1 Generator Voltage Generator voltage is measured at terminals E1 A phase E2 B phase and E3 C phase for ABC rotation or E1 C phase E2 B phase and E3 A phase for CBA Rotation Nominal voltages of up to 600Vac may be sensed at these terminals Voltage applied to these inputs is scaled conditioned and applied to the controller Line Currents Generator line currents IA IB IC are measured via CT s at connector J2 or terminals CT1 and CT2 Current up to 5 Arms may be monitored at these terminals These currents are scaled conditioned and applied to the controller Refer to Section 3 Specifications for connector pin assignments Field Voltage Voltage across the regulator field is monitored at terminals F and F Field Current Current through the exciter field winding is measured at terminal F Field current is scaled conditioned and applied to the input of the controller Contact Input Circuits Five contact input circuits powered from an in ternal 3 3 Vdc supply provide input control from user supplied contacts UP DOWN DROOP OFF EXCITATION OFF and VAR PF OFF EC only UP Closing the UP contact across terminals J1 2 and J1 4 causes the active operating set point to increase marathon Generators Features and Prote
55. l voltage regulator DVR9 with Marathon Electric synchronous generators Additional publications are available for Controller Area Network CAN communications and MODBUS communications The DVR is a control device that regulates the output voltage of a brushless AC generator by controlling the current into the generator exciter field Input power to the DVR is derived from a single phase permanent magnet generator PMG The DVR is supplied in an encapsulated package designed for behind the panel mounting It is held in place by thread forming screws that thread into mounting holes in the face of the DVR The front panel display annunciates regulator status and system conditions MANUAL CONVENTIONS This manual describes details for the DVR 2000E and DVR 2000EC Features that are exclusive to the DVR 2000EC are noted NEW ENHANCED FUNCTIONS New and enhanced functions are indicated in the lists below Legacy DVR s may not support new and enhanced functions REGULATION MODES Three regulation modes e Single phase automatic voltage regulation AVR1 e Three phase automatic voltage regulation AVR3 Field current regulation FCR The DVR 2000EC adds two regulation modes Reactive power regulation VAR Power factor regulation PF FEATURES The DVF has the following features Preset stability settings based on generator frame size e Adjustable soft start in AVR1 or AVR3 regulation modes Under frequ
56. ld current doesn t fall below 90 of the threshold within the timer period Field Under Excitation Shutdown The Field Under Excitation protection feature is triggered if the absorbed VAR s exceed the threshold The fault is triggered if the absorbed VAR s do not fall below the threshold within the timer period Generator Over Voltage Shutdown The Generator Over Voltage protection feature is triggered if generator voltage exceeds the threshold The fault is triggered if generator voltage does not fall below the threshold within the timer period Generator Under Voltage Shutdown The Generator Under Voltage protection feature is triggered if generator voltage drops below the threshold The fault is triggered if generator voltage stays below the threshold for the duration of the timer Generator Voltage Imbalance Shutdown The Generator Voltage Imbalance protection feature is triggered if a voltage imbalance is detected in AVR3 VAR or PF regulation modes imbalance differ ence between any single phase and the average of the three phases of more than the threshold is inter preted as a voltage imbalance The fault is triggered if the voltage imbalance condition continues for the duration of the timer In AVR1 and FCR regulation modes generator voltage imbalance protection is disabled Generator Reverse Power Shutdown The Generator Reverse Power protection feature is triggered if generator reverse power exceeds the threshold Th
57. mode is selected For the EC this marathon 42 Generators DVRPortal Graphical User Interface GUI is also true for VAR and PF regulation modes Some rounding may occur for gain values due to fixed point arithmetic Regulation Modes 3c This panel contains a radio button for selecting the regulation mode e AVR3 Regulation Mode is used for Automatic Voltage Regulation with three phase generator voltage sensing e AVR1 Regulating Mode is used for auto matic voltage regulation with single phase generator voltage sensing e FCR Regulation Mode is used for field current regulation In this mode the DVR will maintain a fixed level of field current e VAR Regulating Mode EC Only is used for reactive VAR regulation This mode is only enabled when the VAR PF OFF input is open Otherwise the DVR will regulate as if AVR3 mode were selected e PF Regulating Mode EC Only is used for power factor regulation This mode is only enabled when the VAR PF_OFF input is open Otherwise the DVR will regulate as if AVR3 mode were selected Number of CT s 3d This panel contains a radio button for selecting the number of CT s to be used for current and power measurement e Three A B C is used for metering of all three phase currents independently This sensing mode should only be selected when using three current transformers e One B Only is used for metering of phase B current only This sensing mode
58. n in Figure shown in Figure 5 1 5 3 10 70 6 63 2 01 Figure 5 1 DVR Front dimensions without cover Valid for E amp EC versions marathon Generators 18 Installation LIVE TERMINALS AND COMPONENTS BENEATH THIS COVER COVER MUST BE INSTALLED WHENEVER REGULATOR IS ENERGIZED DO NOT REMOVE COVER WHILE REGULATOR IS ENERGIZED D531 766 2 60 Figure 5 2 DVR Rear dimensions with cover Valid for E amp EC versions marathon Generators 19 Installation 10 70 271 7 6X 9 195 4 95 6 45 163 8 Figure 5 3 Cutout and Drilling Dimensions marathon 20 Generators CONNECTIONS ELECTRICAL HAZARD Failure to connect the voltage regulator in accor dance with the manufacturer s documentation may result in serious personal injury death and or property damage ELECTRICAL SHOCK HAZARD Failure to follow these instructions may result in serious personal injury death and or property damage A Installation and repair of electrical generators and voltage regulators should be attempted by qualified personnel only Electrical con nections shall be made by a qualified electri cian in accordance with all local national international and or other applicable codes rules or regulations and sound practices Do not touch electrically live parts Disconnect lockout and tag prime mover and input power supplies before installing or servicing voltage regulator Use a
59. nder Voltage A013 GenertorOverVotage A014 Generator Reverse PowerFlow A045 Generator Under Frequency 4016 Generator Voltage Imbalance Table A 1 Alarm Codes F002 Field Under Excitation F004 Generator Startup Generator Over Voltage Generator Reverse Power Flow Generator Voltage Imbalance Table A 2 Fault Codes F009 Fort F012 Generator Under Voltage F013 F014 F016 marathon Generators 61 Appendix B CONNECTOR PIN OUT FIGURES AND TABLES The following figures can be used to determine the Refer to Section 3 Specifications for mating con pin locations for the pin integrated connectors used nector part numbers on the DVR regulator Polarity notch Figure B 1 System Connectors J2 left and J1 right Terminal Position Figure B 2 Connector J3 9 9 Figure B 3 RS 232 Communication Port marathon 62 Generators Appendix B The following table should be used when making The following table should be used when making connections via quick disconnect terminals to the current transformer connections to the regulator regulator CT X1 CT X2 Terminal Terminal A s Ed pc 1 Phase B Name GND Protectvecarhground 4 jPMG teminai 3 PMG terminal2 Fused Et Generatorarmature PhaseA e E2 Generator armature PhaseB Table B
60. nerator Under Voltage Protection Threshold 5 0 to 50 0 of voltage set point Timer 1 0 to 15 0 seconds Generator Reverse Power Protection Threshold 5 0 to 100 0 of rated kW Timer 1 0 to 15 0 seconds Soft Start Function Range 2 to 120 seconds Auxiliary Input Auxiliary Control1 Mode AVR3 AVR1 VAR or PF regulation Voltage Range Set Point Range 3 Vdc to 3 Vdc X to X shift where Auxiliary Control1 Mode FCR regulation Voltage Range 3 Vdc to 3 Vdc Set Point Range 3 000 Adc to 3 000 Adc Increment 1 mA per 1mV Burden 2260 Q Terminal J1 1 J1 12 Auxiliary Control2 Mode AVR3 AVR1 VAR or PF regulation Current Range Set Point Range 4 mA to 20 mA X to X shift where X 1 0 to 30 0 Burden 250 Q Terminals J1 1 J1 12 Jumper J1 5 to J1 8 Auxiliary Control2 Mode FCR regulation Current Range 4 mA to 20 mA Set Point Range 3 000 Adc to 3 000 Adc Increment 1 mA per 2 67 uA Burden 250 Q Terminal J1 1 J1 12 Jumper J1 5 to J1 8 Auxiliary Meter Voltage input Voltage Range 5 Vdc to 5 Vdc Scale Factor User defined Burden 2260 Q Terminal J1 1 J1 12 Auxiliary Meter Current input Current Range 4 mA to 20 mA Scale Factor User defined Burden 250 Q Terminal J1 1 J1 12 Jumper J1 5 to J1 8 Metering Accuracy of all metering values assumes 25 C 50 60 Hz and less than 20 9o THD Regulator side
61. nterface GUI METERING 2 This panel has five sub panels AC Metering DC E COM1 Marathon Electric DVR Portal 1 5 Connected Line To Line Voltages Custome 0 0 0 0 0 0 Regulator Voltage Set Point 100 0 630 0 Apply Step Change 10 to 10 Apply AC Metering 2a This panel displays the measured AC quantities of the generator and regulator Specifically the panel displays line to line voltage line to neutral voltages line currents real power apparent power reactive power and power factor When the Generator tab is active default the values displayed correspond to the generator output terminals primaries of potential and current transformers When the Regulator tab is active the values displayed correspond to the regu lator input terminals secondary sides of potential and current transformers 120 0 Undo Clear Metering Step Change Simulated Reactive Power and the Alarms Faults MALE Load Factory Settings Load Config cu Save to EEPROM Save Config Disconnect Digital Input Fins VARY DROOP ETC RUM Faults and Alarms Field Over Excitation Field Under Excitation Generator Over Voltage Generator Under Voltage Generator Voltage Imbalance Loss of Generator Sensing Instantaneous Field Over Current y Regulator Over Temperature __ Generator Reverse Power Generator Start Up F
62. on and defaults to AVR3 regulation Communication Port RS 232 The communication port provides an isolated inter face for user programming of the DVR through DVRPortal The connection is made to the female RS 232 DB 9 connector with a user supplied standard 9 pin cable A null modem cable will not function CAN Port The CAN port provides an isolated interface for communication with and control of the DVR This permits the integration of the DVR as a node on a CAN network The connection is made to the J3 connector with a user supplied Amp Tyco Mini Mate N Lok plug The communication is powered from a transformer isolated supply Refer to Section 3 Specifications for connector details Controller The controller portion of the DVR includes the microprocessor and performs measurement com putation control and communication functions Power Input Stage Input power is applied to terminals 3 and 4 from a PMG It is rectified and filtered before being applied to the power amplifier and the power supply Power Supply The internal switch mode power supply is fed from the power input stage and supplies power at the required DC voltage levels to the internal circuitry of the DVR Power Amplifier Stage The power amplifier is fed from the power input stage and supplies a controlled amount of power to the exciter field via terminals F and F HMI Display A four character light emitting diode LED display ind
63. otential trans former ratio of the system The generator output voltages displayed in the Generator tab of the Metering panel are equivalent to the voltages displayed in the Regulator tab multiplied by this value Example A PT with a 13 200 Volt primary rating and a 240 Volt secondary rating would have a PT Ratio of 55 CT Ratio is the value of the current trans former ratio of the system The generator output currents displayed in the Generator tab of the Metering panel are equivalent to the currents displayed in the Regulator tab multiplied by this value Example A CT with an 800 A primary rating and a 5 A secondary rating would have a CT ratio of 160 Auxiliary Input Configuration 4c This panel contains controls for modifying the func tionality of the auxiliary input Generators Auxiliary Input Type configures the auxiliary input as a set point modifier a meter input or disabled Refer to Section 4 Features and Protection for a detailed description of the Auxiliary Input function Aux Meter Scale Factor is used only when the auxiliary input type is configured as Auxiliary Meter This value scales the aux iliary input Refer to Section 4 Features and Protection for a detailed description of the Auxiliary Input function Aux Control Scale Factor is used when the auxiliary input port is configured as Auxiliary Control1 or Auxiliary Control2 This value scales the auxiliary input Refer to Section 4
64. panel uses a DB 9 serial port positive supply voltage of Data Terminal female connector Figure 5 6 and Table 5 4 illustrate Equipment the pin assignments of the communication port from the perspective of the PC A standard communica tion cable terminated with a DB 9 male connector is used for PC interface with the DVR Note Do not use a cross over or null modem cable marathon Generators 25 CAN J1939 Communication Port J3 The CAN port on the rear panel uses an AMP Tyco Mini Mat N Lok connector Figure 5 7 illustrates the pin assignments of the CAN port and Table 5 5 identifies the pin functions of the CAN port Figure 5 7 Connector J3 CAN Port Pin Assignment CAN High CAN H CAN Low CAN_L ee CAN Ground CAN GND Table 5 5 Connector J3 CAN Port Pin Functions DVR Connections for Typical Applications Figures 5 8 through 5 11 illustrate typical applica tions using the DVR e Figure 5 8 shows an application where the regulator is connected for three phase voltage sensing and three phase current sensing e Figure 5 9 shows an application where the regulator is connected for three phase voltage sensing and single phase current sensing e Figure 5 10 shows an application where the regulator is connected for with single phase voltage sensing and single phase current sensing e Figure 5 11 illustrates an application with a single phase generator Figures 5 12 and 5 13 illustrate how the re
65. pe for 60 1 70 0 Hz knee Volts pu OOOOOOOOQOr O N O1 O I O 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 Frequency Hz Figure 4 2 Volts Hertz Slopes vs Knee Frequency marathon Generators 15 Features and Protection Volts Hertz Computation 45 Hz 1 0 Slope Multiplier 55 Hz 1 0 Slope Multiplier e 55 Hz 1 5 Slope Multiplier Hysteresis Path 1 1 0 9 0 8 0 7 0 6 0 5 0 4 0 3 0 2 0 1 Volts pu Frequency Hz Figure 4 3 Examples of Under Frequency and Slope Note Arrows indicate hysteresis of cut in and cut out transitions between IDLE and RUN states Field Current Limiting Alarm The Field Current Limit protection feature limits the amount of DC current that flows in the exciter It is engaged if load conditions require a field current larger than the limit Under such conditions the current is limited to the Field Current Limit value in DVRPortal The HMI and DVRPortal display this alarm condition Power Limiting Alarm The Power Limit protection feature limits the amount of output power from the generator by modifying voltage to maintain constant output power at the limit The HMI and DVRPortal display an alarm when this condition is met This limiter can be enabled or disabled in the Protection Settings Tab in DVRPortal under the Limits panel The limiter dynamics PID gains can also be adjuste
66. perating properly 2 Check the programmable settings of the DVR are correct 3 Verify the speed of rotation of the generator is correct marathon 54 Generators Stop the generator and verify that the wiring of the generator and regulator is correct and the connections are good and insulated properly A Follow all applicable safety warnings and cautions while performing this test Carefully perform a constant excitation test of the generator and verify the output meets specifications in accordance with the Installation Operation and Maintenance Manual for the generator A Follow all applicable safety warnings and cautions while performing this test Verify the output of the PMG input power of DVR is within specification Continue with the following troubleshooting flow charts Maintenance and Troubleshooting TROUBLESHOOTING FLOWCHART NO GENERATOR BUILD UP Is DVR red ON LED lit no yes Is DVR fuse open Remove DVR input power beforg removing fuse Check fuse and replace if necessary Check PMG per generator manual Visual Check Use DVRPortal amp Inspect state of EXCITATION OFF at contact input and no in DVRPorta Use HMI or DVRPortal Is DVR indicating an alarm or fault yes See Alarm and Fault no Troubleshooting flowchart Use Tach Frequency Meter or DVRPortal Is generator running at rated speed
67. quency functions may influence the regu lation set point Field Current Regulation Mode In FCR mode the DVR maintains DC excitation current at a commanded level The regulation set point is adjusted via the UP and DOWN contact inputs the auxiliary input when enabled the HMI or DVRPortal Reactive Power Regulation Mode EC only In Reactive Power Regulation VAR mode the DVR maintains the generator s reactive power at a com manded level The regulation set point is adjusted via the UP and DOWN contact inputs the auxiliary input when enabled the HMI or DVRPortal This mode can only be entered by selecting VAR as the regulation mode and opening the VAR PF_OFF contact input Power Factor Regulation Mode EC Only In Power Factor Regulation PF mode the DVR maintains the generator s power factor at a com manded level The regulation set point is adjusted via the UP and DOWN contact inputs the auxiliary input when enabled the HMI or DVRPortal This mode can only be entered by selecting PF as the regulation mode and opening the VAR PF_OFF con tact input Auxiliary Input NOTE If the DC voltage is removed from the aux iliary input the operating set point will no longer be modified and the regulator will regulate to the programmed regulation set point Functionality of the auxiliary input is dependent on the configuration of the modes described below The auxiliary input can be se
68. rator overloaded Check DVRPorta power meter and compare to generator rating reduce load as necessary Use DVRPortal visual Reduce voltage set point if necessary Check PT for proper rati Use DVRPortal check DVR voltage e point too high for generator rating Is Over Excitation threshold too low Check Over Excitation threshold and adjust as necessary Default value 3 5Adc s generator excite OK Inspect exciter pe generator manual Instantaneous Field Over Current F009 FAULT Are exciter field o eadwires shorted exciter stator leadwires or low resistance of exciter field Generator Under Voltage Alarm Fault ADIZ ALARM FOI FAULT Use DVRPortal amp check Is Aux Input Type correct If Aux Input is used check Input yes Type for correct setting e g 4 20 mA Turn off Aux Input if not needeq Use DVRPortal amp check Monitor effect of Aux Input UP Are Aux Input PI DOWN Droop and or CAN influencing no CAN Offsets on Total Set Point Adjust settings as Use DVRPortal amp Check Under Voltage threshold and adjust as no necessary Is Under Voltage Use DVRPortal amp s PT if used ratio 2 correct check Check PT ratio and adjust as necessary yes s generator excite OR check Inspect exciter pe generator manual marathon Generators Maintenance and T
69. rotection settings are disabled gray and enabled green The state of protection features is dependent on the selected regulation mode Generators DVRPortal Graphical User Interface GUI Limits 5c This panel contains editable limit thresholds for field time For most applications the default values of current and generator power as well as the soft start these parameters should be used COM1 Marathon Electric DVR Portal 1 5 DER E ot ton Connected Cum rues MY DROOP PF OFF OFF Field Current Limit Soft Start Ramp Time 1000 x 5 0 115 0 96 0 kw e Field Current Limit is the maximum detailed description of the Generator Soft allowable field current output of the regu Start function lator Refer to Section 4 Features and Protection for a detailed description of the e Power Limit is the maximum allowable Field Current Limiting feature power output of the generator The check box above the Power Limit permits enabling e Soft Start Ramp Time Is the amount of disabling of this limit Enabling the limit also time taken to ramp to the desired voltage enables the PID controller associated with at the generator output terminals in AVR1 it on the Operating Modes panel Refer to and AVR3 regulation modes Refer to Section 4 Features and Protection for a Section 4 Features and Protection for a detailed description of the Power Limiting feature marathon Generators 49 DVRPortal Grap
70. roubleshooting ALARMS AND FAULTS TROUBLESHOOTING FLOWCHART Generator Over Voltage Alarm Fault 013 ALARM 013 FAULT Reverse Power Flow Alarm Fault UI ALARM UM FAULT Visual Check Use Use DVRPortal amp DVRPortal amp Is CT polarity check correct Is Aux Input Type correct If Aux Input is matinee Es CTs used check Input or compare yes Type for correct DVRPorta power meter with known kW Correct as setting e g 4 20 mA Turn off Aux Input if not needed Use DVRPortal Are Aux Input HD DOWN Droop and or CAN influencing check Monitor effect of Aux Input UP Is generator paralleled Check prime mover for proper torque production no CAN Offsets on Total Set Point Adjust settings as needed Generator Under Frequency Alarm check Is Over Voltage threshold too low Check Over Voltage threshold no and adjust as necessary Use HMI or DVRPortal s Under Frequency Knee correct Use DVRPortal Adjust DVR under frequency knee to correct value check s PT if used rati correct Check PT ratio yes and adjust as necessary Use Tach Frequency Meter or DVRPortal Is generator running at rated speed Adjust generator t rated speed or shed load if prime mover is yes overloaded Is Droop function enabled Check CT polarity Correct if necessary marathon Generators 59 Main
71. should only be selected when using one current transformer in phase B Currents for phases A and C will not be metered and power mea surements will be based on the assumption phase B current flows equally in phases A and C VR Excitation 3e This panel contains a radio button for disabling or enabling excitation to the field e Excitation Off is used to disable excitation to the generator exciter field The status indi cator in the header will display a gray Off state This state is recommended for making adjustments to DVR settings e Excitation On is used to enable excitation to the generator exciter field If the regulator was previously Off selecting this state will initiate a new soft start for AVR1 and AVR3 regulation modes Note Any changes to DVR settings made prior to selecting Excitation On will be lost unless they are saved to EEPROM See the Header section above for details on saving settings to EEPROM marathon Generators 43 DVRPortal Graphical User Interface GUI SET POINTS 4 This panel contains editable fields for configuring the DVR and displays adjustments to DVR set points H COM1 Marathon Electric DVR Portal 1 5 Gn nacre ic User Connected 0 600 1 000 Regulator Voltage Set Point fo 1200 V 100 0 530 0 D x 0000 A map ku sai 1 0 15 0 0 000 3 000 40 0 70 0 1 00 3 00 0 0 10 0 1 00 150 0 1 00
72. st as necessary Use DVRPortal amp check If PT s used is PT ratio correct Check PT Ratio setting and adjust as necessary Loss of CAN Communication Alarm A005 ALARM Use DVRPortal Are CAN parameters correct Check address priority and timing parameters and adjust as necessary Use CAN Analyze Check for presence of Is ECU heartbeat present heartbeat message from ECU Under Excitation Alarm Fault AGO ALARM F002 FAULT Use DVRPortal Check Under Excitation threshold and adjust as necessary Visual Check Use DVRPortal Is CT polarity correct markings on CTs or compare DVRPorta power meter with known kW Correct as necessary Is Generator Excitor OK Check exciter stator rotating rectifier and excite rotor winding per generator manual Regulator Over Temperature Alarm Fault Use thermometer or DVRPortal S DVR ambien temperature too high yes Reduce ambient temp if possible or remote mount DVR in cooler location no High heat source near DVR Re locate heat Source if possible or remote mount DVR in cooler location marathon Generators 57 Maintenance and Troubleshooting ALARMS AND FAULTS TROUBLESHOOTING FLOWCHART Field Over Excitation Alarm Fault A008 ALARM FODB FAULT Use DVRPortal check Is gene
73. t to Off Control1 Control2 or Meter modes through the HMI or DVRPortal The effect of the auxiliary input on the set point is displayed in DVRPortal Auxiliary Off In this mode any signal applied to the auxiliary input will be displayed in DVRPortal but will have no effect on the set point of the regulator Auxiliary Control1 This mode allows modification of the regulation set point by the application of a positive or negative DC voltage across terminals J1 1 and J1 12 A voltage up to 3 Vdc may be applied at this input When in AVR3 or AVR1 The application of a 3 000 Vdc signal corre sponds to a percentage offset of up to 30 0 to the set point Example A programmed regulation set point of 480 Vrms with an auxiliary input scale factor of 30 and an auxiliary input of 1 Vdc will result in a 48 Vrms offset to the set point Therefore the regulator will regulate to a reference voltage of 432 Vrms When in FCR The application of a 3 000 Vdc signal corresponds to a 3 000 to3 000 Adc field current set point The auxiliary input scale factor is disabled in FCR mode Note Any field current reference less than 0 000 Adc will become 0 000 Aac marathon 10 Generators Features and Protection Example The application of a 1 25 Vdc signal will result in a field current of 1 250 Adc When in VAR EC only The application of a 3 000 Vdc signal corre sponds to a percen
74. tage offset of up to 30 0 to the VAR set point Example A programmed VAR regulation set point of 50 0 with an auxiliary input scale factor of 30 0 and an auxiliary input of 1 Vdc will result in a 10 0 offset to the VAR set point Therefore the regulator will regulate to 40 096 of rated VAR s When in PF EC only The application of a 3 000 Vdc signal corre sponds to an offset of up to 0 300 PU to the power factor set point Example A programmed power factor regulation set point of 0 950 lagging power factor with an auxiliary input scale factor of 30 0 and an auxiliary input of 1 Vdc will result in a 0 100 offset to the power fac tor set point Therefore the regulator will regulate to a power factor of 0 950 In this case the power factor has gone from a lagging to a leading state Auxiliary Control2 This mode allows modification of the regulation set point by the application of a 4 mA to 20 mA current control signal in terminals J1 1 and J1 12 This mode requires the placement of a jumper across terminals J1 5 and J1 8 AUX LOOP When in AVR3 or AVR1 The application of a 4 mA to 20 mA input corre sponds to a percentage offset of up to 30 0 to the voltage set point Example A programmed regulation set point of 480 Vrms with an auxiliary input scale factor of 30 and an auxiliary input of 9 33 mA will result in a 48 Vrms offset to the set point Therefore the regulator will reg
75. tage or current to be metered on this input Refer to Section 4 Features and Protection for a detailed description of the Auxiliary input function VAR PF Enable Disable VAR PF_OFF EC only A user can enable or disable the VAR or PF regula tion modes by opening or closing contact between J1 9 VAR PF_ON and J1 4 CGND Opening the contact enables VAR PF regulation if the regula tion mode was set to VAR or PF in the HMI or DVRPortal M Refer to Section 4 Features and Protection for a detailed description of the VAR PF regulation function Note Operation in VAR or PF modes should only be enabled when the generator is paralleled with utility infinite bus If the VAR PF_OFF is open during power up of the regulator in VAR or PF reg ulation modes a Generator Start Up Fault occurs marathon 24 Generators Contact Output CONTACT1 and CONTACT2 The output contact may be accessed at connec CONTACT2 The relay output is normally open and tor J1 via terminals J1 6 CONTACT1 and J1 7 closes when the regulator goes into a fault condition 00000 Figure 5 6 RS 232 Communication Port Terminal Positions Transmit Data N C Data Set Ready Ready To Send Table 5 4 RS 232 Communication Port Pin Functions Name I F C Signal Ground Note If serial port does not support DTR and RTS Serial Communication Port functions then these lines must be connected to The RS 232 port on the rear
76. tarted up in either VAR or PF regulation modes with the VAR PF OFF input contact open CONFIGURABLE PROTECTION ALARMS Generator Under Frequency Alarm The Generator Under Frequency Alarm triggers if generator frequency drops below the under fre quency knee The voltage set point is automatically adjusted by the DVR so that generator voltage follows the selected V Hz curve If generator fre quency drops below 25 Hz the regulator will stop providing generator excitation and AC metering Note If generator frequency drops below a detectable level and generator speed is greater than 850 RPM a short circuit condition is assumed and the regulator will force current up to the Field Current Limit value see Field Current Limiting below The V Hz slope is dependent upon the under fre quency knee and the slope multiplier The base slope is defined according to the following see Figure 4 2 For an under frequency knee between 40 0 and 50 0 Hz the base slope is 1 50 0 02 VPU Hz For an under frequency between 50 1 and 60 0 Hz the base slope is 1 60 0 0167 VPU Hz For an under frequency between 60 1 and 70 0 Hz the base slope is 1 70 0 0143 VPU Hz where VPU 1 0 at regulator voltage set point The base slope is modified by the slope multiplier to achieve a desired voltage roll off characteristic See Figure 4 3 for examples Base slope for 40 0 50 0 Hz knee Base slope for 50 1 60 0 Hz knee Base slo
77. tenance and Troubleshooting 60 ALARMS AND FAULTS TROUBLESHOOTING FLOWCHART Generator Voltage Imbalance Alarm Fault DU ALARM UI FAULT Is Voltage Imbalance hreshold too loy Use DVRPortal amp check Check Voltage Imbalance threshold and adjust as necessary Use DVRPortal amp check Is generator load balanced Check line currents for balance with DVRPorta Redistribute load if possible Do PT s if used have matching Check PT nameplates Is generator main stator OK Inspect exciter pe generator manual marathon Generators Start Up Fault 004 FAULT generator to Be paralleled with utility Visual Check Use DVRPortal Do not put DVR in either VAR or PF regulation mode g VAR PF OP contact input open prior to breaker closure Synchronize VAR PF OFF contact input to open whe utility breaker is closed ALARM CODES During an alarm condition the HMI will display the code of the corresponding alarm condition The table can be used to determine what condition is causing the alarm FAULT CODES During a fault condition the HMI will display the code of the corresponding fault condition The table can be used to determine what condition is causing the fault Appendix A A001 Generator Power Limiting A002 Field Under Excitation A010 Field Current Limiting A012 Generator U
78. ty persons with pacemakers hearing aids or other implanted electronic medical devices and may impact other electronic devices such as mobile phones credit cards etc EXPLOSION HAZARD Beware of arcing when connecting test leads Arcing could spark an explosion if exposed to battery gases fuel vapors or other hazardous atmospheres Failure to follow these instructions could result in serious personal injury death and or property damage MECHANICAL SAFETY ROTATING PARTS HAZARD Keep extremities hair jewelry and clothing away from moving parts Failure to follow these instruc tions could result in serious personal injury death and or property damage OVERSPEED HAZARD Do not exceed the rated speed of the generator Excessive centrifugal forces could damage the rotating fields and cause parts to be expelledata high rate of speed Failure to follow these instructions could result in serious personal injury death and or property damage DO NOT DISASSEMBLE Only qualified personnel who know local national international and or other applicable codes rules or regulations and sound practices should install or repair electric generators and voltage regulators Failure to follow these instructions could result in serious personal injury death and or property damage marathon Generators 3 General OVERVIEW This manual provides details on how to install operate and maintain a DVR 2000E or DVR 2000EC digita
79. ulate to a reference voltage of 432 Vrms When in FCR The application of a 4 mA to 20 mA signal corre sponds to a 3 000 to 3 000 Adc field current set point The auxiliary input scale factor is disabled in FCR mode Note Any field current reference less than 0 000 Adc will become 0 000 Adc Example A field current set point of 1 000 Adc with the application of a 10 67 mA signal will result in a total field current of 0 500 Adc When in VAR EC only The application of a 4 mA to 20 mA signal corre sponds to a percentage offset of up to 30 0 to the VAR set point Example A programmed VAR regulation set point of 50 0 with an auxiliary input scale factor of 30 0 and an auxiliary input of 9 33 mA will result in a 10 0 offset to the VAR set point Therefore the regulator will regulate to 40 096 of rated VARs When in PF EC only In the PF regulation mode the application of a 4 mA to 20 mA signal corresponds to an offset of up to 0 300 PU to the power factor set point Example A programmed power factor regulation set point of 0 950 lagging power factor with an auxiliary input scale factor of 30 096 and an auxiliary input of 9 33 mA will result in a 0 100 offset to the power factor set point Therefore the regulator will regulate to a power factor of 0 950 In this case the power factor has gone from a lagging to a leading state Auxiliary Meter In this mode the auxiliary input functions as a meter
80. ve Buttons 1c The administrative buttons provide communication port settings user access file manipulation and storing to DVR non volatile memory Administration This button allows the user to change serial port communication settings and modify passwords Login The default user type is Customer The type of user logged in is displayed in the header area The marathon 38 Generators DVRPortal Graphical User Interface GUI Superuser type is intended for Marathon Electric use only Load Factory Settings When this button is pressed the default factory settings for the regulator are loaded into the DVR s Random Access Memory RAM These factory settings can be transferred to the user settings in Electrically Erasable Programmable Read Only Memory EEPROM by pressing the Save to EEPROM button Save to EEPROM When this button is pressed all parameter values in the DVR s RAM Configuration and Identification tabs are transferred to the regulator s user settings in EEPROM These user settings are loaded into RAM whenever the regulator is powered up Load Config When this button is pressed the user will be prompted to select a previously saved xml file When the file is selected all user adjustable settings from the selected xml file are loaded into the volatile RAM memory of the DVR These settings can be transferred to the user settings in non volatile EEPROM by pressing the Save to EEPRO
81. verse Power Protection U u annan 6 SOUL S LANP UNC EE 6 Auxiliary APW e ked k L n 6 VE lu te BE 6 Environmental 7 Environmental T SIS cciveisceecscenssecessccnssscceccavecdeuecenccccnccnacsccecdaceeceteareececnccontsccucsavecitenecsvevensereancc 7 Electromagnetic Compatibility 5eme EES 7 Electromagnetic Compatibility Tests 1 1 J u u l Ek ko nenna 7 Mechanical i e 7 PAYSIEA RE 7 Eeer 7 SECTION 4 FEATURES AND PROTECTION eidele D e de PR ET A E T D a W ep n e ka a kak kan kak ka ee AE den sa atak kn 8 DVR Function BIOCKS ccccccceccseneeseeececeeececneeseeeeeceeeceesennesseneceecaeauoneaeaneneceeeaeaenaneneneseseaeeneneeneeess 8 marathon Generators 1 Table of Contents DVR Operating Features NEEN NENNEN 10 Regulation MOUES TEE 10 Auxiliary APWE e kk kr kan 10 Load Sharing NER Uc kk n ka ak a ki 11 Generator Soft Start EEN 12 DVR Protection e J tk kk l ke a a ik kt kk kr 13 SECTION 5 INSTALLATION EE 17 MOUNN NEE 17 EE 21 Ereigneis aaa ERI AN DE RE UE S 32 SECTION 6 HUMAN MACHINE INTERFACE HMI General uuu P n A ke 34 Front Panel Display annor bkn n PY Xa ERE RENKRYNVRRRRRXERINKEERESER AAA KE AN San kk ke RAS kaa AN kika uge 35 Making Settings Changes E 37 SECTION
82. voltmeter to verify that power is off before contacting conductors Do not open terminal box or touch unpro tected terminals while the generator shaft is rotating Shaft rotation produces voltage in generators even when no excitation is applied Residual voltage is present at the generator leads and regulator connections even when the regulator fuse is removed Ground earth regulator in accordance with local national international and or other applicable codes rules or regulations NOTICE Incorrect wiring may damage the unit Note Be sure that the DVR is hard wired to earth ground with no smaller than 12 AWG copper wire attached to the ground terminal on the rear of the unit case When the unit is configured in a system with other devices it is recommended to use a separate lead to the ground bus from each device DVR connections are dependent on the application DVR Connectors DVR units have four types of interface connectors All connectors are located on the rear of the unit 1 Ten 10 1 4 quick connect terminals for generator connections 2 Two 2 12 pin Deutsch DTC style connec tors for current transformer CT and system interface connections 3 One 1 3 pin Amp Tyco Mini Mate N Lok receptacle for the Controlled Area Network CAN bus interface 4 One 1 9 pin DB 9 type connector for the communication between the DVR and DVRPortal Wires performing common functions such as volt
83. wer factor This is intended as a diagnostic mode to assist with the setup of paralleling generators in droop compensation mode with the use of a resistiveload bank Enablingthis condition simulatesa reactive load on the generator Faults Alarms 2e This panel displays alarms and faults When the Current tab is active the panel displays faults and alarms that are currently active on the DVR When the Historical tab is active the panel displays the faults and alarms that were present if any the previous time the DVR was energized The alarms and faults can be in any of four possible states e Run State If the DVR is in a run state there will be a green indicator next to all enabled alarm and fault conditions e Disabled State If a given alarm or fault con dition is disabled for example Generator Voltage Imbalance in AVR1 regulation mode that condition will display a gray indicator e Alarm State If the DVR is in an alarm state there will be a yellow indicator next to the corresponding condition causing the alarm e Fault State If the DVR is in a fault state there will be a red indicator next to the cor responding condition causing the fault Note The historical fault data will clear 15 seconds after regulator power up or until another alarm or fault is detected CONFIGURATION This panel has four sub panels Operating Modes Set Points Protection Settings and CAN Bus Configuration marathon

DVR®2000E+/EC+ User Manual

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DVR&reg;2000E+/EC+ User Manual

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DVR®2000E+/EC+ User Manual