User's Manual REV. 0
Contents
1. gt 400 230V 419 USE 200 FUSE FOR LOAD VOLTAGE INPUTS FIG 3 Mains connection F n CONNECTION Only for single phase network MAINS N 3 se au Per sa REGO STEPS 12 REGO STEPS 7 REGO STEPS 5 FIG 4 400 4 4 o azov vir t ov il al al 4 sl el 7 al 9110 12 USE 200nA FUSE FOR a ce VOLTAGE INPUTS 2 o feo lan LOAD Electrical Connections DUCATI energia REGO Instruction Manual Automatic Reactive Power Controller Revision 0 Firmware 4 01 March 2004 1 SIMPLIFIED DIAGRAM RELATIVE TO FIRST POWERING UP 1 H2 7 4 5 YES YES 12 7 NO SELF ACQUISITION 8 14 MANUAL PROGRAMMING 16 17 H 18 19 20 11 12 13 14 15 16 17 18 19 20 POWER THE CONTROLLER DISPLAY ALTERNATELY SHOWS IL AND ENTER PARAMETER MAINS RATIO e g w 200 5 enter 40 AND TO CHANGE THE PARAMETER AND DATA KEY TO CONFIRM FAS DISPLAYED IN TURN WITH 0 OR 12. 55 2 SAFETY This automatic power factor correction controller was manufactured and tested in conformity with current standards and left the factory in perfect conditions of technical safety In order to maintain these conditions and ensure safe operation the user must abide by the instructions provided herein WARNING A This device must be installed by qualified personnel in accordance with the equipment regulations currently in force in order to prevent injury or damage to persons or property Maintenance or repair work must be managed solely by authorized personnel Before undergoing any maintenance or repairs the device must be disconnected from all power sources DUCATI ENERGIA s p a disclaims all liability for any injury or damage caused to persons or property as a result of improper use of its products In view of the continuous evolution of our technology we reserve the right to change the specifications contained herein without notice The catalogue descriptions and data shall thus have no contractual validity 56 3 GENERAL DESCRIPTION The REGO reactive power controller is designed to control and regulate capacitor banks operates on the basis of microprocessor technology which provides accurate reliable power factor measurements The power factor is controlled by switching capacitor banks according to the reactive power requirements of the load if more than one step is need
3. REGO User s Manual REV 0 F W 4 01 DUCATI energia 00000 POWER 1 2 3 4 5 MAINS CONNECTION oy 2 DUCATI energia OPERTYPE C IPOSIT 0 oven CONTROLLER Li e net net orm Baa REACTIVE POWER CONTROLLER 3 8 9 N FIG 1 Front and rear panel of REGO DUCATI energia REACTIVE POWER CONTROLLER 1 2 REGO 4 3 4 5 8 7 8 0 1 E Los ehe K 6 9 DATA RESET Ch RG FIG 2 Front and rear panel of REGO 7 12 MAINS 380 415V REGO sa L 400v 2 230V VI FF1 CONNECTION REGO fct 54 6 400V 230V 470 CONNECTION RECO L
4. 2 2 2 value read for gt 200 CT secondary winding PC Interface REGO 7 12 Serial line Polarity Protocol type Ambient operating conditions Operating temperature Storage temperature Connections Terminal type Wire size Enclosure Construction Dimensions LxHxP Hole dimensions Protection rating Fixing Weight 1 RS485 line terminal A non inverting terminal B inverting Ducati protocol character based 0 60 C 20 70 screw terminal REGO 5 spring terminal REGO 7 12 2 5mm max Recess mounted with panel 96x96x75mm REGO 5 144x144x65mm REGO 7 12 91x89mm REGO 5 138x138mm REGO 7 12 40 on front panel 20 on terminal block With four pressure plates 400g REGO 5 800g REGO 7 12 95 DUCATI energia Via Lepido 182 40132 BOLOGNA Italy Casella Postale P O BOX 4052 Borgo Panigale Tel 051 6411511 Fax 051 402040 www ducatienergia com E MAIL commsm ducatienergia com 315 492 289 03 04 PRINTED IN ITALY 8810 Righi 1 000
5. IS THE CONTROLLER INSTALLED ON A DUCATI ENERGIA POWER FACTOR CORRECTION SYSTEM DISPLAY ALTERNATELY SHOWS COS AND THE SYSTEM POWER FACTOR STEPS SWITCHED IN AND OUT OF SERVICE TO ACHIEVE DESIRED POWER FACTOR STEPS SWITCHED IN AND OUT THREE TIMES AUTO ACQUISITION DISPLAY ALTERNATELY SHOWS C1 AND THE VALUE MEASURED FOR THE FIRST BANK PRESS DATA KEY TO DISPLAY VALUE OF SUBSEQUENT BANKS ARE THE MEASURED POWERS CORRECT PRESS THE DATA KEY THREE TIMES TO EXIT START A NEW SELF ACQUISITION OR CARRY OUT A MANUAL PROGRAMMING TO LAUNCH A NEW AUTO ACQUISITION PROCEDURE PRESS ALARM RESET FOR MANUAL PROGRAMMING PRESS ALARM RESET DISPLAY SHOWS Pro PRESS OR TO SET THE DESIRED PROGRAM SEE TABLE 1 PAGE 72 PRESS THE DATA KEY DISPLAY SHOWS PPC PRESS OR TO SET THE VALUE OF THE FIRST BANK PRESS THE DATA KEY 53 CONTENTS 12 5 12 6 12 7 12 8 12 9 54 SIMPLIFIED DIAGRAM RELATIVE TO FIRST POWERING 52 SAFETY 56 GENERAL DESCRIPTION 57 HOW IT WORKS 58 MAINS CONNECTION 59 INSTRUCTIONS FOR INSTALLING THE 60 POWERING UP FORTHE FIRST TIME 62 SUBSEQUENT STARTUPS 64 TESTING CONTROLLER PERFORMANCE 65 SETUP PARAMETE
6. IL 60 350 5 IL 70 400 5 IL 80 Press DATA to go on to the next parameter 10 5 Type of connection of controller to mains COn is displayed in turn with the default value FF1 The user can change this parameter using the A or W key possible settings FF1 FF2 F n see chap 5 Page 59 DO NOT CHANGE THIS PARAMETER IF THE CONTROLLER IS INSTALLED ON A DUCATI ENERGIA POWER FACTOR CORRECTION SYSTEM Press DATA to go on to the next parameter 67 10 6 SUP Setting of terminal used to power the controller SUP is displayed in turn with the default value U2 The user can change this parameter using the A or W key possible settings U1 230V U2 400V DO NOT CHANGE THIS PARAMETER IF THE CONTROLLER IS INSTALLED ON A DUCATI ENERGIA POWER FACTOR CORRECTION SYSTEM Press DATA to go on to the next parameter 10 7 FAS Activation or deactivation of automatic adjustment of mains C T direction FAS is displayed in turn with the default value On auto adjustment enabled The parameter can be changed using the A or key possible settings On auto adjustment blo C T direction fixed DO NOT CHANGE THIS PARAMETER IF THE CONTROLLER IS INSTALLED ON A DUCATI ENERGIA POWER FACTOR CORRECTION SYSTEM 10 8 Menu for launching the procedure for acquiring the power of sing
7. banks to be switched off 13 1 SIGNALING OF POWER FACTOR CORRECTION FAILURE This signal is activated when the system power factor remains below the set value for more than two consecutive hours reentries of up to 1 minute are allowed with all the capacitor banks switched on This signaling function is not active in the manual mode When a power factor correction failure is signaled the initials A L A will be displayed in turn with 6 0 6 and the last value measured these digits will also be separated by Ex the ALARM LED situated on the front panel of the controller will light up the alarm relay contact connected to the controller terminal block will open 82 After 30 minutes all these actions will be cleared and the controller will automatically resume operation auto reset status A r though the incident will continue to be signaled via the display which will show in turn with 0 0 5 the last value measured To clear the display press ALARM RESET 13 2 OVERVOLTAGE SIGNAL This signal is activated when the controller measures a supply voltage exceeding the maximum allowed by the transformer 230 19 400 19 for longer than 30 seconds This protection is active even if no capacitor bank is currently switched on When this alarm is triggered the initials A L A will be displayed in turn with U F F and the last value measu
8. measurements for controlling an external cooling fan in the 7 or 12 step model a series of protections and associated alarms to safeguard the capacitor banks and guarantee efficient system performance the possibility of counting the number of switching operations of a certain step to prevent possible downtimes due to failures and thereby increase the system s reliability and other functions as well NOTE The front panel of REGO features a series of keys for accessing functions and programming some functions are activated by pressing a combination of 2 keys in this manual when mention is made of a two key combination e g AUTO MAN it means that the user must press the first key and without releasing it then press the second one In fact the combination AUTO MAN activates a different function from the combination amp AUTO MAN 4 HOW IT WORKS The measured current from the mains C T is filtered and compared with the required power factor and the insensitivity zone if the conditions set by the user thus require the or W LED will light up and all the banks necessary in order to reach the set power factor will be switched into service in as little time as possible compatibly with the capacitor discharge time T1 The controller automatically adjusts to the direction of circulation of the current drawn from the C T 58 If the current to the C T secondary winding falls below 200mA the contro
9. the controller to the initial starting up condition after this operation reset the controller by following the directions in chapter 7 for POWERING UP FOR THE FIRST TIME after setting the IL parameter the controller always starts the procedure for acquiring banks see chap 7 3 Page 63 Press A W to access the setup menu and press the DATA key repeatedly until the set logic 1 1 1 1 2 2 1 2 4 is displayed to reset the controller keep ALARM RESET pressed for 5 seconds The letters CLr will be displayed in turn with the default setting The parameter can be changed using the A or W key and confirming with the DATA key The possible choices are reset will be carried out yes the parameters will be reset during this phase the controller will switch off all the steps and the digits 8 8 8 will appear for a few seconds with all LEDs illuminated 81 13 SIGNALS AND ALARMS The REGO controller features a device for signaling overvoltage and power factor correction failures as well as alarms which are activated when an overtemperature protection trips or in the event of excessive harmonic distortion and voltage drops or mains dips When a protection trips the ALARM LED will light up and the NC contact will close to remotely signal the alarm status With the exception of the device for signaling power factor correction failures and overvoltage the protections will cause the capacitor
10. AN LED will flash if the procedure is launched during normal operation it will be necessary to press the AUTO MAN key for about another 2 seconds to confirm the launching of the test The procedure consists in switching on the individual steps in sequence at two second intervals The closing time of an individual step is five seconds 12 8 GENERATOR POWER FACTOR CORRECTION MODE To correct the power factor of the generators the user must set this operating mode which involves inhibiting the automatic mains CT direction adjustment function and configuring the signals accordingly This operation must be carried out with the mains powered by the generator Press AUTO MAN to access the menu for fixing the direction When you press the keys the W LED will flash and you must press the corresponding key At this point the and W LEDs will flash and the controller will simultaneously display Inu INV in turn with On or OFF To set the appropriate operating mode for correcting the power factor of generators press the A key the word will appear If on the contrary you wish to enable the C T direction auto adjustment function 80 in the case of traditional power factor correction of loads press the Y key the word OFF will appear to confirm the selection 12 9 TOTAL RESETTING OF SETUP PARAMETERS This command reinstates all the default parameters and returns
11. AN to access the relevant menu the display will show Cnt and will flash When you press the W key the LEDs will flash and the display will show the operation performed by the first output relay C1 will 78 appear followed by the number of switching operations A is used to separate thousands Ex Press the DATA key to display the number of switching operations of the next relay after viewing the data of the last relay press the DATA key to exit the function Important when an output relay counter totals over 100 000 switching operations the LED corresponding to the step will flash to warn of the need to overhaul replace the contactors The output will not be disabled only a warning will be signaled 12 6 DISPLAYING THE SOFTWARE RELEASE To display the software release number of the controller press ALARM RESET DATA the display will alternately show Flr and the firmware version 12 7 PROCEDURE FOR TESTING CONNECTIONS TO CAPACITOR STEPS An automatic procedure is provided to make it easier to check the efficiency of connections to the capacitor steps independently of the mains network status and the presence of current on terminals K ed L This procedure can be launched by pressing DATA AUTO MAN 79 regardless of the current controller situation tSt will appear on the display and the AUTO M
12. CTION AGAINST MAINS VOLTAGE DIPS AND DROPS This protection trips in the presence of mains voltage dips lasting more than two periods 40mS at 50Hz 33mS at 60Hz In such cases also in the manual mode the controller will instantly de energize all the output relays in order to protect the capacitors It will then resume its normal control functions switching steps into service as necessary after the time T1 has elapsed 85 If the voltage dip lasts longer than two cycles or the voltage drops below the minimum required to power the device correctly the power fail cycle will be activated REGO will instantly de energize all the output relays until the voltage returns to normal levels or disappears completely to prevent undesired operations on the capacitor banks 13 6 DISPLAY OF ALARM COUNTERS The user can see how many times the controller has gone into an alarm status due to overvoltage and excessive harmonic distortion To view the counters press DATA The letters ALC will appear and the A LED will flash Ex Press the corresponding key to access the settings The s and Y LEDs will flash and the first alarm t h d will be displayed in turn with the number of activations to view the next alarm UFF press the DATA key Press the DATA key again to exit the function These counters cannot be cleared 13 7 CHANGING THE ALARM ACTIVATION MODES The user can change the activation modes of the controlle
13. GICS The controller can adopt one of three logics to switch the capacitor banks in and out of service in order to achieve and maintain the set 6059 i e LINEAR LOGIC This logic is identified by the code 1 1 1 and presupposes the condition that all capacitor banks have equal powers Given a situation such as the one illustrated in the table Bank No 1 2 3 4 5 6 Status OFF ON ON ON OFF OFF the controller will switch on bank no 5 if a bank needs to be switched into service and switch off bank no 2 if one needs to be switched off This will ensure that all the banks will work and as a result component wear will be evenly distributed among them GEOMETRIC LOGIC It is identified by the code 1 2 4 and presupposes the condition that each bank has a power equal to or at most double the power of the one that precedes it Assuming that the banks have powers as shown in the table 70 Bank No 1 2 3 4 5 6 Power 10 20 40 40 40 80 and that the load requires 50 kVAr the controller will switch on the 15 274 and then 39 banks thereby reaching 70 KVAr At this point it wil switch off the 18 and then the 274 which will bring it to 40 kVAr and finally it will switch the 1 back on to reach 50 kVAr As may be observed this logic makes it possible to obtain a large number of steps with a limited number of banks However the number of switching operations is not evenly distrib
14. LAY OF MEASUREMENTS Normally the display shows the system 005 A minus sign indicates a capacitive power factor N B In the event of a power cut the controller will not be able to calculate the cosg and will alternately display C 0 S and Press the DATA key to display the measurement readings every time you press the next parameter will be displayed The parameters are displayed in the following sequence gt COS system power factor gt UFF effective measured line voltage gt IL line current measured at the primary winding of the CT gt PA equivalent active power absorbed by load in kW gt PL equivalent reactive power absorbed by load in gt thd crest factor normalized to 1 values less or greater than 1 if harmonic distortion is present gt C temperature inside panelboard enclosure at the point where the controller is installed the value shown may be considered reliable after about 1 hour of operation 12 ADDITIONAL FUNCTIONS 12 1 MANUAL OPERATING MODE Press the AUTO MAN key for about two seconds until the corresponding LED lights up the controller is now ready to be programmed in the manual mode 75 The user must indicate the desired status for every output relay at the end of the programming procedure the controller will set all the capacitor steps in the status requested Operatively REGO indicat
15. ORTANT 60 The C T must be connected both upstream from the power factor correction system and upstream from the load See Fig 5 positions and b The C T must never be directly connected on the load power supply line See Fig 5 position c or directly on the power factor correction line See Fig 5 position d In the FF1 connection configuration the C T must be connected to the phase not used for the voltmetric supply to the controller If the controller is installed on a DUCATI ENERGIA power factor correction system the C T phase must be L1 R see Fig 5 position and b DEDICATED SWITCH FOR POWER FACTOR CORRECTION SYSTEM MT TRANSFORMER ROOM BT a C T INSTALLATION CORRECT 1 MAIN SWITCH INSTALLATION bE 1 3 INSTALLATION 6 INCORRECT INSTALLATION INCORRECT LOADS DUCATI POWER FACTOR CORRECTION SYSTEM FIG 5 Positioning of 61 7 POWERING UP FORTHE FIRST TIME The REGO regulator behaves differently the first time it is started up since it will need the IL parameter mains C T ratio to be set in order to work the regulator c
16. R 65 DISPLAY OF 75 ADDITIONAL FUNCTIONS MANUAL OPERATING MODE DISPLAYING THE POWERS OF SINGLE STEPS 76 PROCEDURE FOR CHECKING THE EFFICIENCY OF THE SINGLE STERS fete iaia 77 PROCEDURE FOR ENABLING DISABLING OUTPUT RELAYS IN THE AUTOMATIC OPERATING 77 DISPLAYING THE COUNTER OF TOTAL OPERATIONS PERFORMED BY EACH RELAY 78 DISPLAYING THE SOFTWARE RELEASE 79 PROCEDURE FOR TESTING CONNECTIONS TO 5 elia lie 79 GENERATOR POWER FACTOR CORRECTION 80 TOTAL RESETTING OF SETUP PARAMETERS 81 13 13 1 13 2 13 3 13 4 13 6 13 7 14 15 16 17 SIGNALS AND ALARMS 82 SIGNALING OF POWER FACTOR CORRECTION FAILURE OVERVOLTAGE SIGNAL OVERTEMPERATURE PROTECTION PROTECTION AGAINST EXCESSIVE HARMONIC DISTORTION 84 PROTECTION AGAINST MAINS VOLTAGE DIPS AND DROPS DISPLAY OF ALARM COUNTERS CHANGING THE ALARM ACTIVATION MODES 86 HIDDEN rie eeeie nie eeni ie ninianie 87 LIST OF MAIN KEYS AND ASSOCIATED FUNCTIONS 91 TROUBLESHOOTING TECHNICAL SPECIFICATIONS
17. able 3 Hidden menu parameters 15 LIST OF MAIN KEYS AND ASSOCIATED FUNCTIONS Keys Function Chap section 407 Change the displayed parameters DATA Scan through measurements and confirm parameter settings Access the setup menu 10 ALARM RESET Reset after alarm condition 13 AUTO MAN Manual operating mode 12 1 DATA A Display the powers of single steps 12 2 DATA Procedure for Checking the Efficiency of Single Steps 12 3 A AUTO MAN Procedure for Enabling Disabling Output Relays in Automatic Mode 12 4 W AUTO MAN Display Counter that keeps track of Operations Performed by ea Output Relay 12 5 ALARM RESET DATA Display Software Release 12 6 DATA AUTO MAN Test Procedure for Contactor Connections 12 7 AUTO MAN Generator power factor correction mode 12 8 A DATA Display Alarms Counter 13 6 AUTO MAN A Change alarm activation mode 13 7 Table 4 List of main commands 91 16 TROUBLESHOOTING Should the controller show any of these faults When powered the controller remains stuck on FAS When no bank is switched on the controller displays a capacitive cos negative cos The controller displays a that does not correspond to the system s The controller alternately displays 5 and The controller displays a 6050 below the one set and fails to switch on any banks The controller sw
18. annot be started up without setting this parameter On subsequent occasions it will utilize the previously programmed parameter unless the user wishes to change it As soon as the controller is switched on 8 8 8 will appear on the display for a few seconds and all the LEDs will light up to enable their efficiency to be checked 7 1 7 2 62 The first time the controller is powered the display will show IL in turn with flashing and remain in this situation until the mains CT ratio is set press the A key to change the parameter and the DATA key to confirm SETTING THE IL PARAMETER for example if the user has a C T with a ratio of 200 5 the parameter to set must be IL 40 mains CT ratio Other examples CT 300 5 IL 60 CT 350 5 IL 70 CT 400 5 IL 80 Subsequently the controller will alternately display FAS and 0 or 1 at this stage the system will read and display the direction of the incoming current from the C T 0 direct 1 inverted It is only an indication Ex 7 3 Ex NOTE if the incoming current is insufficient less than 200 REGO cannot determine its direction and will stand by in this status until current is supplied If the controller is installed on a DUCATI ENERGIA automatic power factor correction system pre programmed controller no type of setting will be required and the controller will be ready for perfe
19. are present in the hidden menu These settings may be accessed by the user only when setting the C T ratio 87 To access the menu press A and while the IL parameter is shown on the display keep the ALARM RESET DATA keys pressed down until the display shows t1 in the case of five step versions of REGO in the case of seven and twelve step versions of REGO At this point you have entered the hidden menu All the parameters of this submenu can be changed using the A and keys To go on to the next parameter press the DATA key The parameter sequence is as follows Temperature threshold for closing the N O relay that controls the external fan this parameter is available only for seven and twelve step versions of REGO it is suggested not to modify 1 Display of T1 the time for which steps are unavailable for re activation you are advised not to change this parameter 42 Display of T2 the delay between the closing of two relays controlling consecutive steps you are advised not to change this parameter Setting of the Voltage Transformation Ratio If the controller is powered via a VT refer to chapter 10 3 UFF parameter it is 88 recommended to adjust the UFF parameter rather than changing HU StH Setting of trip time of the harmonic distortion alarm t h d The po
20. change any setup parameters with the exception of COS and IL To enter the setup menu press A W The display will show the following parameters 65 10 1 Mains frequency The parameter is displayed in turn with the measured value It is only an indication Press DATA to go on to the next parameter 10 2 COS Power factor desired in the system The COS parameter is displayed in turn with the default value 0 95 The value can be changed using the A or W key Press DATA to go on to the next parameter 10 3 UFF Mains voltage The UFF parameter is displayed in turn with the default value 400 The value can be changed using the A or key possible values 400 or 230 the controller is powered by an auxiliary transformer the UFF parameter should be set at the rated primary voltage of the auxiliary transformer range 100 700 To change this parameter press ALARM RESET to increase the value ALARM RESET to decrease the value 66 DO NOT CHANGE THIS PARAMETER IF THE CONTROLLER IS INSTALLED ON A DUCATI ENERGIA POWER FACTOR CORRECTION SYSTEM Press DATA to go on to the next parameter 10 4 IL Mains C T ratio The IL parameter is displayed in turn with the value previously set by the user The value can be changed using the A or key Setting examples 300 5
21. cident will continue to be signaled via the display which will show A L A in turn with and the last value measured To clear the display press ALARM RESET This protection is also active in the manual mode and even if no capacitors are switched on 13 4 PROTECTION AGAINST EXCESSIVE HARMONIC DISTORTION This protection will trip when the rate of current harmonic distortion may pose a hazard to the power factor correction capacitors 84 When this alarm is triggered the initials A L A will be displayed in turn with t h d and the measured Crest Factor these digits will also be separated by Ex the ALARM LED situated on the front panel of the controller will light up the alarm relay contact connected to the controller terminal block will open the number shown by the t h d alarm counter will increase by one the controller will activate the procedure for rapid disconnection of all steps and go into a standby status in this status the controller will not work After 30 minutes all these actions will be cleared and the controller will automatically resume operation auto reset status A r though the incident will continue to be signaled via the display which will show A L A in turn with t h d and the measured Crest Factor To clear the display press ALARM RESET This protection is also active in the manual mode 13 5 PROTE
22. ct operation it will alternately display COS and the power factor of the system If the controller is not installed on a DUCATI ENERGIA automatic power factor correction unit virgin controller after displaying the FAS parameter it will automatically launch the automatic procedure for acquiring the powers of the single capacitor steps The capacitor steps will be switched on and measured in sequence a total of three times each At the end of this procedure the controller will alternately display C1 and the measured power value of the first step the power of the next step can be displayed by pressing the DATA key If the power measurements are incorrect from the same menu the user can press ALARM RESET to launch a new autoacquisition procedure ALARM RESET to enter the manual programming mode see chap 10 8 Page 68 63 NOTE FOR A CORRECT WORKING OF THE CONTROLLER CHECK THAT POWERS MEASURED BY THE CONTROLLER CORRECT If the power measurements are correct the user can press the DATA key for three seconds to exit this menu and the controller will start to work automatically displaying the letters COS in turn with the system power factor Ex 8 SUBSEQUENT STARTUPS As soon as the controller is switched on 8 8 8 will appear on the display for a few seconds and all the LEDs will light up to enable their efficiency to be c
23. ection and disconnection of banks we suggest to either increase or decrease the COS parameter see chap 10 2 Page 66 Power factor desired in the system until reaching a balance condition Increase the t2 parameter see chap 14 Page 87 thus delaying the connection of banks 93 17 TECHNICAL SPECIFICATIONS REGO 5 7 12 step power circuit Supply voltage Rated frequency Input power Protection Current input Rated current Operating range Overload Consumption Measurement and control data Type of voltage and current measurement Power factor control Step re connection time lag Relay outputs Number of outputs Contact status Nominal contact capacity Voltage rating Alarm relay Nominal insulation voltage Max relay switching power Measuring precision Power factor Active voltage UFF Line current 94 380 415V 10 220 50 or 60Hz measured and autonomously set by the controller 8VA max REGO 5 15VA max REGO 7 12 Internal fuse 250mA curve To protect the instrument from permanent overvoltage the user should install an external fuse we recommend 200mA 5A 0 2 5 3 In for 10 0 5VA max REGO 5 1 5VA max REGO 7 12 true effective value true RMS 0 80 inductive 0 80 capacitive 5 2555 5 7 12 N O 5A 250V 250Vac 1 contact 3A 250V When controller is off the contact is N O 3kV 1 minute 2200W or 1500W Cosg 0 5 250V
24. ed in order to reach the cos required REGO activates all the steps necessary with a delay between one and the other equal to the set time T2 The number of switching operations is thereby reduced and where the capacitor banks have an equal value they will be used in a homogeneous manner The controller features both automatic and manual operating modes In addition the powers associated with the steps can be automatically acquired thanks to the AutoAcquisition function At the end of this procedure moreover the controller also automatically selects the most appropriate switching sequence Alternatively a user program chosen among the numerous available options can be manually set Thanks to this function the controller will be able to intervene and correct the system PF more quickly in fact on the basis of real time power measurements and the known powers associated with individual steps it can calculate how much reactive power is needed to bring the to the desired value and switch on all the necessary steps together with just a settable delay T2 between one and the next as noted previously The 7 or 12 step model also features an Rs485 serial interface with standard DUCATI communication protocol which enables the user to connect the device to a network of instruments and read the measured data remotely from a connected PC 57 REGO also offers other useful functions such as panelboard temperature
25. es r1 in turn with the status which be or Ex press A or to choose the status of the relay you want to set in the manual operating mode press the DATA key to display the status of the subsequent relay After viewing the status of the last relay press the DATA key to exit this function 12 2 DISPLAYING THE POWERS OF SINGLE STEPS Press DATA to access the relevant menu will appear on the display and A will flash when the A key is pressed REGO will alternately display C1 and the value in kVAr associated with the first step Ex Every time you press the DATA key the controller will show the powers of the individual steps in sequence after viewing the last step press the DATA key to exit this function 76 12 3 PROCEDURE FOR CHECKING THE EFFICIENCY OF THE SINGLE STEPS Press DATA W to access the menu pertaining to the procedure for checking the powers of the capacitor steps the display will show ChP and will flash Pressing the W key will cause REGO to switch off all the banks and start the procedure for measuring the power of all the steps the cycle will be launched three times to provide a better measurement If REGO detects differences of more than 25 in the power that was associated with the step during the previous auto acquisition procedure the corresponding LED will flash At the same t
26. hecked Subsequently the controller will alternately display FAS and 0 or 1 Ex at this stage the system will read and display the direction of the incoming current from the C T 0 direct 1 inverted It is only an indication NOTE if the incoming current is insufficient less than 200mA REGO cannot determine its direction and will stand by in this status until current is supplied 64 At this point the controller no longer requires any type of setting and will be ready for perfect operation it will alternately display COS and the system power factor Ex 9 TESTING CONTROLLER PERFORMANCE To immediately check whether the controller is working efficiently the user should keep in mind that When the load is started the controller should turn on the LED and switch the capacitor steps into service If the load is reduced or removed the controller should turn on the LED and disconnect capacitor steps accordingly When the A and LEDs are off the controller should display a 0050 close to the one set see chap 10 2 Page 66 As the inductive cos increases up to 1 the current circulating upstream from the power factor correction decreases whereas it increases with the capacitive cosg 10 SETUP PARAMETERS N B If the controller is installed on a DUCATI ENERGIA automatic power factor correction system we advise the user not to
27. ime the letters rst will appear on the display and the user must disable the step by pressing ALARM RESET if this key is not pressed within a few seconds the operation will be terminated without any effect taking place Once the check is completed REGO will function as before with the exclusion of any steps detected to be faulty whose LEDs will continue flashing to signal their status of unavailability 12 4 PROCEDURE FOR ENABLING DISABLING OUTPUT RELAYS IN THE AUTOMATIC OPERATING MODE The user can decide which relays the controller must not use in the automatic mode 77 Press AUTO MAN to access the menu for enabling disabling the output relays the display will show Abi and A will flash When you press the A key the LEDs will flash and the display will start showing the status of the first relay r1 will be displayed in turn with its status or Ex At this point you can choose the status of the relay pressing 1 key to switch it On or the W key to switch it OFF Press the DATA key to display the status of the next relay after viewing the status of the last relay press the DATA key to exit this function 12 5 DISPLAYING THE COUNTER OF TOTAL OPERATIONS PERFORMED BY EACH RELAY The user can display the number of switching operations performed by each relay controlling the capacitor banks Press AUTO M
28. itches on all the banks even in the absence of loads and fails to switch them off We recommend performing the following checks Check the positioning and connection of the C T See chap 6 Page 60 INSTRUCTIONS INSTALLATION Check that a current greater than 200mA is circulating on the secondary winding of the C T the power factor correction function requires a working load Check that the setup parameters have been correctly configured See 92 chap 10 65 SETUP PARAMETERS In particular the IL parameter ratio e g with 200 5 IL 40 the FAS parameter must be N B if you wish to reinstate all the default parameter settings recommended by DUCATI ENERGIA reset the controller as directed in chap 12 9 Page 81 TOTAL RESETTING OF SETUP PARAMETERS and start all over again from the first powering up procedure See chap 7 Page 62 POWERING UP FORTHE FIRST TIME Check that the generator power factor correction mode Inu is Off See chap 12 8 Page 80 GENERATOR POWER FACTOR CORRECTION MODE Make sure that the controller has correctly acquired the powers of the capacitor banks See chap 12 2 76 DISPLAYING THE POWERS OF SINGLE STEPS Check that the output relays are not disabled See chap 12 4 Page 77 PROCEDURE FOR ENABLING DISABLING OUTPUT RELAYS IN THE AUTOMATIC MODE Due to problems of step swing continuous conn
29. le steps and setting their switching logic ACq is displayed in turn with the default value The parameter can be changed using the A or W key and confirming by pressing DATA the possible settings are 68 no no acquisition pr The capacitor steps will be carried out AUt a new automatic acquisition procedure will be carried out will be switched on and measured in sequence a total of three times each At the end of this procedure the controller will alternately display C1 and the measured power value of the first step by pressing the DATA Press DATA for three he power of the next step can be displayed key seconds to go on to the next parameter Pr the switching logic and power of the single steps is manually set When the letters Pro Table 1 Page 72 Thereafter when the appear select the desired program see g the A or W key and press DATA to confirm etters PFC appear set the value in kVAr of the first power factor correction capacitor bank always connected to output terminal 1 again using the A or W key Example if you have an automatic 100kVAr system with power 69 steps of 10 10 20 20 40 the parameters should be set as follows Pro 26 see Table 1 Page 72 PFC 10 Press DATA to confirm and go on to the next parameter SWITCHING LO
30. ller will disconnect all the banks and the display will show COS in turn with flashing It will go into standby until a current exceeding that value is restored 5 MAINS CONNECTION The REGO reactive power controller may be connected to the mains according to three different configurations see diagram in Fig 3 Page 3 FF1 this configuration default the C T 5A is positioned on phase R L1 and the reference voltage is drawn from the line voltage between phases S L2 and T L3 This is the classic varmetric connection This is the type of connection utilized in DUCATI ENERGIA automatic power factor correction systems FF2 this configuration the C T 5A is on phase R L1 whereas the reference voltage is the line voltage between phase R L1 itself and phase S L2 Warning if the cyclical direction of the power supply phases is not known configuration FF2 may give rise to an error in the power factor measurement F n this configuration the C T 5A is on phase R L1 whereas the reference voltage is the phase neutral between phase R L1 itself and the neutral N Use this configuration only for single phase networks 59 6 INSTRUCTIONS FOR INSTALLING THE C T The C T must have a value at the primary winding equal to or relatively higher than the maximum current absorbed by the load downstream from the C T itself at the secondary winding 5A VERY IMP
31. r alarms In particular as regards the signals and protections for power factor correction failures overvoltage overtemperature and excessive harmonic distortion it is possible to set 86 ON status this has the functions described previously except that the auto reset A r function will not be active and the controller will remain in a standby status until you press the ALARM RESET key on the front panel Pressing this key will enable the controller to resume normal operation OFF status the protection and alarm or signaling function and all their consequent actions are completely inhibited The user should be fully aware of the risks of choosing the OFF status as a rule it is an unadvisable choice since it may give rise to potentially hazardous situations A r status auto reset default status it has the functions described previously When the controller is turned on for the first time the default status of all alarms is A r To access the menu press AUTO MAN the letters ALP will appear and the A LED will flash Press the corresponding key to access the settings The s and W LEDs will flash and the first alarm signal will be displayed to change the alarm status press the A or W key and to go on to the next alarm press the DATA key C UFF thd COS after the last parameter has been displayed press the DATA key again to exit the function 14 HIDDEN MENU Some REGO parameters
32. red these digits will also be separated by Ex the ALARM LED situated on the front panel of the controller will light up the alarm relay contact connected to the controller terminal block will open the number shown by the UFF alarm counter will increase by one After 30 minutes all these actions will be cleared and the controller will automatically resume operation auto reset status A r though the incident will continue to be signaled via the display which will show A L A in turn with U F F and the last value measured To clear the display press ALARM RESET 83 13 3 OVERTEMPERATURE PROTECTION This protection will trip if the temperature around the controller exceeds 70 C for at least 15 seconds When this alarm is triggered the initials A L A will be displayed in turn with C and the last temperature read these digits will also be separated by Ex the ALARM LED situated on the front panel of the controller will light up the alarm relay contact connected to the controller terminal block will open the controller will activate the procedure for rapid disconnection of all steps and go into a standby status in this status the controller will not work After 30 minutes all these actions will be cleared and the controller will automatically resume operation auto reset status A r though the in
33. relay Pr2 3 Pr3 4 Pr4 5 Prd 6 Pr 7 8 Pr8 9 Pr9 10 0 215 11 11 12 72 Pr12 1 2 2 2 Pri3 12 2 3 Pr14 22 4 5 12 2 5 Pr16 12 2 6 Pr17 22 7 Pri8 12 2 8 F Pr19 12 2 9 Pr20 12 2 10 i Pr21 22 11 22 2 2 12 A Pr23 1 2 4 2 Pr24 12 4 3 Pr25 24 4 Pr26 24 5 2 Pr27 24 6 Pr28 24 f Pr29 24 8 Pr30 24 9 61 24 10 5 Pr32 24 11 Pr33 12 4 12 Table 1 User programs selection of SEQUENCE and N OF STEPS 73 PARAMETER DESCRIPTION RANGE DEFAULT 10 1 Fr Measured mains frequency 50 or 60 Hz Only an indication 10 2 COS Power factor to be achieved within 0 8IND 0 8CAP 0 95 the system 10 3 UFF Voltage rating of controller 230 or 400 400 10 4 IL Mains C T ratio 1 3000 Example with CT 100 5 set 20 Example with CT 200 5 set 40 10 5 Con Type of connection of controller to mains FF1 FF2 F n 10 6 SUP Setting of terminal used to power U1 230V the controller U2 400V U2 10 7 FAS Auto adjustment of mains C T direction On auto adjustment On On blo fixed direction blo 10 8 ACq Acquisition of step powers no no acquisition procedure no no AUt automatic acquisition AUt Pr manual setting Pr 10 9 s s s Display of set logic 1 1 1 1 2 2 1 2 4 74 Table 2 Setup parameters 11 DISP
34. ssible settings are 1 2 3 If you set 1 the trip time will be proportional to the level of harmonic distortion setting 2 will double this time setting 3 will quadruplicate the time you are advised not to change this parameter Instrument address for Rs485 network connection to other instruments and a PC this parameter is available only for seven and twelve step versions of REGO bdr Speed of data transmission Baud Rate the Rs485 port The speed is expressed without the last zero e g 9600bps is shown as 960 this parameter is available only for seven and twelve step versions of REGO Press DATA for three seconds to exit the menu 89 through the Rs485 port Baud rate PARAMETER DESCRIPTION RANGE DEFAULT Fan Temperature threshold C 5 50 25 REGO7 12 for tripping fan activation tl Time in seconds of unavailability 5 255 30 of a step for re activation Always wait for capacitors to discharge before switching hem back on t2 Delay time in units each unit corresponds 1 600 2 1 to 500mS between the activation of one step and the next HU Mains VT transformation ratio 1 1000 1 StH Setting of trip time 1 2 3 of t h d harmonic distortion alarm Adr Address of the instrument in the Rs485 serial connection with external units 1 99 1 bdr Speed of data transmission 1200 9600 9600 90 T
35. uted among the banks resulting in greater wear on the first ones SEMI GEOMETRIC LOGIC It is identified by the code 1 2 2 and the power of the first bank must be half that of the others which must all be equal The first bank is managed according to a geometric logic whereas all the others which have equal powers are managed according to a linear logic IMPORTANT the first output relay must always be connected to the capacitor bank with the least power If the powers of the steps are all equal only make sure that the first step is not left without controlled capacitors Moreover in the event that a specific user program is configured as in Table 1 the value of the first bank must be set 10 9 s s s Display of set logic At the end of an automatic acquisition or manual setting procedure the controller will display a switching sequence and 71 will start to work automatically If the controller cannot identify an optimal sequence it will set the 1 1 1 logic Ex Press DATA to go back to the first parameter in the menu To exit the setup menu keep the DATA key pressed down for three seconds IMPORTANT If the controller is installed on a DUCATI ENERGIA power factor correction system we advise the user not to change the default parameters See Table 2 Page 74 PROGRAM N SEQUENCE N OF BANKS DESCRIPTION Setting of N of steps Pri 1 1 1 2 and power of bank connected to the first output
Download Pdf Manuals
Related Search