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Instruction Manual for BE1-50BF

1. a 4 4 Figure 4 4 Panel Drilling Dimensions Projection Mounting Double Ended Case 4 5 Figure 4 5 Panel Cutting and Drilling Dimensions Semi Flush Mounting Double Ended Case 4 6 Figure 4 6 Typical Internal Connections Sensing Input Type E 4 7 Figure 4 7 Typical Internal Connections Sensing Input Type 4 8 Figure 4 8 Control Circuit Connections Typical Non Isolated 4 9 Figure 4 9 Control Circuit Connections Typical Isolated Inputs 4 9 Figure 4 10 Typical Connections Sensing Input Type E L 4 10 Figure 4 11 Typical Connections Sensing Input Type F a 4 10 Figure 4 12 Contact Sensing Modules Power Supply Z a 4 11 9190600990 Rev G BE1 50BF Installation i This page intentionally left blank BE1 50BF Installation 9190600990 Rev G SECTION 4 e INSTALLATION INTRODUCTION BE1 50BF relays are shipped in sturdy cartons to prevent damage during transit Upon receipt of a relay check the model and style number against the requisition and packing list to see that they agree Inspect the relay for shipping damage If there is evidence of damage file a claim with the carrier and notify your sales representative or Basler Electric If the r
2. HU 1 6 E EE 1 6 Co mE 1 6 liba 1 6 CASO SZC ERE 1 6 Figures Fig re T T TINI u eo oot oot pe t 1 2 Figure 1 2 Style Number Identification Chart eene enne nennen 1 3 Tables Table 1 1 Burden Nominal Per Non isolated Sensing Contact sss 1 4 Table 1 2 Power Supplies aaaaaaasaaavaas aas aassaannnnnnnnnnnnnnnnnnnananananansnansnansnansnansnansnansnansnannnannsaanaaandaansaanna 1 5 9190600990 Rev G BE1 50BF General Information i This page intentionally left blank BE1 50BF General Information 9190600990 Rev G SECTION 1 e GENERAL INFORMATION DESCRIPTION BE1 50BF Breaker Failure Relays are three phase solid state relays designed to provide protection and security for the power system against failure of the monitored breaker Breaker failure relaying is the use of a current monitoring relay to determine whether or not current continues to flow into a faulted circuit some time after a circuit breaker has been instructed to interrupt the circuit In the event that current continues to flow into the faulted circuit after a defined period of time has elapsed sufficient for the breaker to have interrupted the current then the circuit breaker is considered to have failed and steps must be initiated to trip the next set of breakers up stream in the power system The back up scheme must be designed to isolate both the faulted circuit a
3. Field Programmable Logic Field programmable switch S1 is an eight section switch 51 1 through 51 8 that allows the relay to be reconfigured to meet changing requirements Switch S1 is located on left side of the logic board and is accessible by withdrawing the cradle assembly from the case The purpose of each switch section is explained in detail in Section 2 Outputs Breaker failure output relays BF1 through BF3 are simultaneously operated when the associated logic AND function receives qualifying signals Current Sensing Monitored line currents are applied to the Primaries of internal current transformers and stepped down to internal circuit levels Transformers provide a high degree of isolation Current Pickup Detector Each sensing input is fed to both a positive and negative half cycle pickup detector Each detector will provide an output when the sensing current increases to a level greater than the pickup setting Current Pickup Indicator Each current pickup detector provides an input to the current pickup indicator The current pickup indicator turns ON the LED for 22 milliseconds after the most recent input Outputs are approximately every eight milliseconds for the duration of time that the sensing current is above the pickup setting 3 2 BE1 50BF Functional Description 9190600990 Rev G Current Pickup Output Each current pickup detector provides an input to the current pickup output The current pickup output pr
4. 4 Phose 0 25 2 0 A A All internally OPTION 4 neutral 1 0 8 0 A operated B Power supply A status output B All current and push to F Semi flush operated energize mounting outputs NOTES P Projection mounting S Push to energize outputs 1 All relays are supplied in an S1 size cose A Requires one of the sensing modules listed below Contact Sensing Modules Required when type Z power supply is specified Module Ordering No A When option 2 is N or S three output relays are provided When option 2 is A or B two output reloys ore provided N Sensing input type must be E Option 3 Isolated Contact Non Isoloted Contact Sensing Sensing 9 1702 06 105 9 1702 06 111 AN Requires DC Sensing Power Figure 1 2 Style Number Identification Chart D2819 04 SPECIFICATIONS The BE1 50BF Breaker Failure Relay has the following features and capabilities Current Sensing Maximum burden of 1 VA per phase at range maximum 50 60 Hz Operable over a frequency range of 40 to 70 Hz Maximum continuous current 5 A for sensing range of 0 25 to 2 0 A 10 A for sensing range of 1 0 to 8 0 A Maximum one second current 300 A For ratings other than one second the rating may be calculated as follows where t the time in seconds and K 90 000 Dropout Above 98 of actual pickup level Current Detector Reset Less than 1 millisecond 9190600990 Rev G BE1 50BF General Information 1 3 Pickup Rang
5. Isolation In accordance with IEC 255 5 and ANSI IEEE C37 90 one minute dielectric high potential tests as follows All circuits to ground 2 121 Vdc Input to output circuits 1 500 Vac or 2121 Vdc Radio Frequency Interference RFI Maintains proper operation when tested for interference in accordance with IEEE C37 90 2 1987 Standard Withstand Capability of Relay Systems to Radiated Electromagnetic Interference from Transceivers Surge Withstand Capability Qualified to ANSI IEEE C37 90 1 1989 Standard Surge Withstand Capability SWC Tests for Protective Relays and Relay Systems Fast Transient Qualified to ANSI IEEE C37 90 1 1989 Impulse Test Qualified to IEC 255 5 Temperature Operating Range 40 C 40 F to 70 C 158 F Storage Range 65 C 85 F to 100 C 212 F 9190600990 Rev G BE1 50BF General Information 1 5 Shock In standard tests the relay has withstood 15 g in each of three mutually perpendicular planes without structural damage or degradation of performance Vibration In standard tests the relay has withstood 2 g in each of three mutually perpendicular planes swept over the range of 10 to 500 Hz for a total of six sweeps 15 minutes each sweep without structural damage or degradation of performance GOST R GOST R certified per the relevant standards of Gosstandart of Russia Weight Maximum 14 1 Ib 6 4 kg Case Size S1 Refer to Section 4 for case dimensions 1
6. 25 6 35 diameter 4 places Figure 4 5 Panel Cutting and Drilling Dimensions Semi Flush Mounting Double Ended Case BE1 50BF Installation 9190600990 Rev G CONNECTIONS Be sure to check the model and style number of a relay before connecting and energizing the relay Incorrect wiring may result in damage to the relay Except where noted connections should be made with wire no smaller than 14 AWG Typical internal connections are shown in Figures 4 6 and 4 7 External connections are shown in Figures 4 8 through 4 11 PADDLE OPERATED VISORY SHORTING BARS y WY WY WY v y TARGET POWER INST SUPPLY STATUS ae VANA AW AAW OPEN Col None IVY INN DADA SHORTING BARS EXTERNAL GROUND N B Ap TERMINAL INTERNAL CIRCUITRY SUPERVISORY BF OP TO OP TO ISOLATOR TARGET TARGET BF2 R A OR A KR AA AAA O r 2 SUPER en D991 012 08 20 98 Figure 4 6 Typical Internal Connections Sensing Input Type E 9190600990 Rev G BE1 50BF Installation 4 7 PADDLE OPERATED 15 13 GD mme N LN r Y Y v TARGET POWER SP INST STATUS OR BF3 NORMALLY OPEN CONTACTS SHORTING BARS 1 EXTERNAL
7. 50BF BREAKER FAILURE RELAY POWER Style No XXX XXX XXXXX Serial No HXXXXXXX PUSH TO ENERGIZE y 1 OUTPUT INST N P0048 41 Figure 2 1 Location of Controls and Indicators Table 2 2 Field Programmable Switch S1 wen Function Section 1 When ON down enables the optional instantaneous relay whenever a BFI contact closure occurs The Instantaneous relay will reset at the expiration of the BFI signal or at the end of the control timer cycle whichever comes first 2 When ON down enables the optional instantaneous relay whenever a supervisory input occurs The relay will reset at the expiration of the supervisory signal or at the end of the control timer cycle whichever comes first 3 51 3 is NOT functional unless S1 1 51 2 or both switches in the ON down position With S1 3 closed and a recognized BFI input the instantaneous output is held activated until the control timer times out 4 When ON down allows the supervisory contacts to initiate a preset timing sequence that duplicates the BFI timing circuit The preset time for the two timers may be different In this mode either set of input contacts can initiate a sequence that enables the output relay when T1 or T2 and the control timer has timed out 2 2 BE1 50BF Controls and Indicators 9190600990 Rev G Switch Secti n Function 5 When ON down inhibits operation of the output relays unless
8. 6 BE1 50BF General Information 9190600990 Rev G SECTION 2 e CONTROLS AND INDICATORS TABLE OF CONTENTS SECTION 2 e CONTROLS AND INDICATORS 2 1 INTRODUCTION cunda AAA ad vmstat eid 2 1 Figures Figure 2 1 Location of Controls and Indicators 2 2 Figure 2 2 Location of Field Programmable Switch S1 2 3 Tables Table 2 1 BE1 50BF Controls and Indicators Refer to Figure 2 1 2 1 Table 2 2 Field Programmable Switch S1 sse eene nennen eterne enne 2 2 9190600990 Rev G BE1 50BF Controls and Indicators i This page intentionally left blank BE1 50BF Controls and Indicators 9190600990 Rev G SECTION 2 e CONTROLS AND INDICATORS INTRODUCTION BE1 50BF controls and indicators are located on the front panel and the left interior The controls and indicators are shown in Figures 2 1 and 2 2 Table 2 1 references the callouts in Figure 2 1 Table 2 2 references Figure 2 2 Table 2 1 BE1 50BF Controls and Indicators Refer to Figure 2 1 Locator Control or Indicator Function Athru D TIMING MONITOR Test Jacks provide nominal 10 V oscilloscope test points for Points monitoring the control timer timer T1 and timer T2 The jacks accommodate a standard 0 080 diameter phone tip plug E thru G CONT T1 T2 TIMING Multiturn potentiometers allow screwdriver adjustment of ADJ
9. CASE GROUND TERMINAL c B A INTERNAL CIRCUITRY OPTO OPTO ISOLATOR ISOLATOR BF TARGET TARGET es POWER SUPPLY A OR A A O O ORRO SUPER 1 011 VISORY BFI 08 20 98 Figure 4 7 Typical Internal Connections Sensing Input Type F BE1 50BF Installation 9190600990 Rev G CONTROL BUS LEGEND 50BF BREAKER FAILURE RELAY BFI BREAKER FAILURE INITIATE CONTACT SENSING 50BF 9 10 95 42 3 E L L BF BF2 INST o SOBE o 2087 5 o SOBE BF2 INST TARGET TARGET TARGET BF SUPER 50BF 50BF 50BF VISORY 50BF 1 2 11 POWER o OPTION 2 OPTION 2 A OR B N OR S 50BF 50BF 19 19 50BF e 4 J PoWwR Br3 SUPPLY pe STATUS 50BF 50BF 9 20 9 20 D956 015 CONTROL BUS 06 20 98 Figure 4 8 Control Circuit Connections Typical Non Isolated Inputs CONTROL BUS LEGEND BREAKER FAILURE RELAY BFI BREAKER FAILURE INITIATE 50BF 50BF 50BF 10 5 12 CONTACT SENSING SOBF 50BF 50BF 50BF T 3 zm ssi ge 7 9 g 9 BF BF2 INST TARGET TARGET TARGET 50BF 50BF 50BF BFI SUPER 9 4 Org o 44 VISORY SOBF P
10. 8 98 e Deleted all references to Service Manual 9190600620 e Replaced Figure 1 1 with a revised Timing diagram e Corrected Style Chart by changing power supply type Z from 230 to 240 Vac e Changed Current Detector Reset from Within 1 millisecond at 2 times pickup to Less than 1 millisecond e Changed Input Voltage Range and Burden Data in Power supply table in Specifications Section 1 e Updated the Dielectric Test information e Added RFI information to Specifications e Corrected Functional Block Diagram e Replaced Full Wave Rectifiers and Pickup Comparators with Current Pickup Detector Current Pickup Indicator and Current Pickup Output e Added new power supply information to Section 3 in Power Supply paragraph starting with Basler Electric enhanced the power supply design e Added new dimension figures to include all options available S1 Double Ended and both mounting positions e Added shorting bars to both Internal Connection Diagrams e Added Option 2 N or S to Control Circuit Diagrams e Changed 230 Vac to 240 Vac in the Contact Sensing Module Diagram e Removed testing information from Section 4 and added a new Section 5 Testing e Changed the format of the manual D 03 93 e Manual revised to reflect relay modification revision D affective 03 01 93 serial number 2236 2295 and subsequent e Relay dropout specification changed from 5 milliseconds at 2 times pickup to 1 mi
11. F CONTENTS SECTION e FUNCTIONAL DESCRIPTION enne nenne nennen reset nnns 3 1 GENERA E EE 3 1 FUNCTIONAL DESCRIPTION aiaiiiaaataaataaa asasasasasasusasnsnnnnnnunnnnnnnnanananunananananananunnnannnnnannnannnnnnnnnnnnnnnninnna 3 1 Contact Sensi Q 2 ua a ete daa AAA AE atau valg ca 3 1 Instantaneous Output Optional aiaaavaaasaassaas aassaassaassaansaansaansnannnannnansnansnansnansnansnansnanssanssananana 3 1 Control Tinet ua ci faoc duet Lei u PR sue ce uet Ene cuta e o 3 2 imer AS 2 c e a pp RR RE CD Cas 3 2 Field Programmable D6gigu y y l u SSE Su u SSS Da a S mase 3 2 OUTPUTS e Sur aa ahua RE ERR a ERE e been 3 2 Current Sensing u u re ER Re is 3 2 Current Pickup Detector css 2 ne Bai e n Pe iaa 3 2 Current Pickup Indicator n nn nennen estne rnnt nennen entr sterne nnns 3 2 Curtent PIck p OUtpUt aici tct AA deb el 3 3 Pickup Settings A cet tee a ette de e e A Let orte es DIE Fe PIRE 3 3 POWER UP ADEL 3 3 Power Supply Status Contacts 3 3 Target dica ci A eves A kayaq 3 3 Figures Figure 3 1 Functional Block Diagram L 3 1 Figure 3 2 Control Timer Cycle id cin ted ete aaa lea 3 2 9190600990 Rev G BE1 50BF Functional Description i This page intentionally left blank BE1 50B
12. F Functional Description 9190600990 Rev G SECTION 3 e FUNCTIONAL DESCRIPTION GENERAL BE1 50BF Breaker Failure Relays are static devices designed to detect circuit breaker failure and to trip backup circuit breakers when such failures are detected FUNCTIONAL DESCRIPTION Relay circuit functions illustrated in Figure 3 1 are described in the following paragraphs 0956 016 51 3 08 20 98 BFI SEAL IN UNTIL END OF CONTROL TIMER CYCLE LL gt 51 2 51 1 BFI lt The TARGET T SENSING a 1 S1 4 CONTROL 4 TIMER 2 SUPER s VISORY TUER H i SENSING S1 5 BF1 NEGATIVE P PICKUP T O PHASE p DETECTOR PICKUP Sia TARGET ADJUST POSITIVE o j A PICKUP 51 7 K 3 4p DETECTOR OVERCURRENT PICKUP OUTPUT ENABLE 22 MSEC T BF2 j NEGATIVE USWITCH FUNCTIONS CURRENT PICKUP m A B Q A P DETECTOR PICKUP UP 0FF 283 E OUTPUT DOWN ON TARGET 3 THIS IS CONSISTENT WITH ACTUAL PICKUP OPERATION OF SWITCHES _ P DETECTOR a a BFS OR N NEGATIVE PICKUP N DETECTOR N TO INTERNAL CIRCUITRY CURRENT NEUTRAL PICKUP PICKUP ADJUST C positive I
13. INSTRUCTION MANUAL FOR BREAKER FAILURE RELAY BE1 50BF B Basler Electric Basler Electric Publication 9190600990 Revision G 01 10 TTA AAA INTRODUCTION This instruction manual provides information about the operation and installation of the BE1 50BF Breaker Failure Relay To accomplish this the following information is provided e General Information and Specifications e Controls and Indicators e Functional Description e Installation e Testing WARNING To avoid personal injury or equipment damage only qualified personnel should perform the procedures in this manual NOTE Be sure that the BE1 50BF 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 BE1 50BF is configured in a system with other devices it is recommended to use a separate lead to the ground bus from each unit 9190600990 Rev G BE1 50BF Introduction i First Printing April 1986 Printed in USA 2010 Basler Electric Highland Illinois 62249 USA All Rights Reserved January 2010 CONFIDENTIAL INFORMATION of Basler Electric Highland Illinois USA It is loaned for confidential use subject to return on request and with the mutual understanding that it will not be used in any manner detrimental to the interest
14. Installation 4 1 1 95 6 19 75 49 53 r 157 2 19 1 10 32 SCREWS 10 32 SCREWS EC 7 9 D2853 22 06 15 99 2 195 l MOUNTING PANE Figure 4 1 Outline Dimensions Side View Semi Flush Mounted Double Ended Case 4 2 BE1 50BF Installation 9190600990 Rev G 1 95 6 19 75 49 53 Luo M 19 1 0 32 SCREWS MOUNTING PANEL 5 16 18 STUD 2 PLACES D2856 06 06 16 99 UNTING PANEL 10 32 SCREWS TERMINAL EXTENSION TYP FOR DETAILED INSTRUCTIONS SEE THE TERMINAL PROJECTION 75 MOUNTING KIT SUPPLIED 2 195 55 75 Figure 4 2 Outline Dimensions Side View Projection Mounted Double Ended Case 9190600990 Rev G BE1 50BF Installation 4 3 6 65 169 pM Figure 4 3 Outline Dimensions Front View Case Cover D2816 17 9 32 237 4 4 BE1 50BF Installation 9190600990 Rev G 1 47 175 37 3 s 63 16 0 DIA 3 PLACES 1 47 17 5 57 3 75 19 1 DIA 2 63 D1427 05 20 PLACES Figure 4 4 Panel Drilling Dimensions Projection Mounting Double Ended Case 9190600990 Rev G BE1 50BF Installation 4 5 5 69 144 5 42 84 72 1 8 63 219 1 109 5 8 25 209 6 4 13 104 8 2 2 4 8 03 77 0 D1427 04 06 06 06 6 06 154 0 0
15. NCE BE1 50BF relays require no preventative maintenance other than a periodic operational check If the relay fails to function properly contact Technical Sales Support at Basler Electric to coordinate repairs STORAGE This device contains long life electrolytic capacitors For devices that are not in service spares in storage the life of these capacitors can be maximized by energizing the device for 30 minutes once per year 9190600990 Rev G BE1 50BF Installation 4 11 This page intentionally left blank 4 12 BE1 50BF Installation 9190600990 Rev G SECTION 5 e TESTING TABLE OF CONTENTS SECTION 5 e TESTING ua datada 5 1 OPERATIONAL TEST PROCEDURE n a 5 1 9190600990 Rev G BE1 50BF Testing i This page intentionally left blank BE1 50BF Testing 9190600990 Rev G SECTION 5 e TESTING CAUTION Before performing the following tests refer to the relay operating precautions in Section 4 OPERATIONAL TEST PROCEDURE The following test procedure verifies operation and calibration of the relay Note that the results obtained from this procedure may not fall strictly within specified tolerances When evaluating results consider the inherent error of test equipment Test equipment should be accurate within 19 or better Step 1 Step 2 Step 3 Step 4 Step 5 Step 6 Step 7 Step 8 Step 9 Step 10 Step 11 Step 12 Step 13 Step 14 On the logi
16. NDICATOR PICKUP N DETECTOR POWER SUPPLY SENSOR POWER SUPPLY OPERATING POWER v a Figure 3 1 Functional Block Diagram Contact Sensing Before any relay output can occur there must first be an initiating signal from external contacts Two possible initiating signals are either the breaker failure initiate BFI signal or the optional supervisory signal Contact sensing circuitry allows the relay to monitor external contacts for the presence of these signals Contact sensing inputs must use either isolated sensing or non isolated sensing Isolated sensing option 1 5 uses current supplied by the relay to monitor external contacts Non isolated sensing uses an external dc source to monitor the contacts Nominal voltages of the external dc source must match the dc input voltages of the relay power supply If the power supply of the relay has an ac source a separate dc source must be utilized for the contact sensing input Instantaneous Output Optional Instantaneous output relays are enabled whenever a BFI contact closure and enabling switch S1 1 is closed They are also enabled whenever a supervisory contact closure is detected and enabling switch 51 2 is closed 51 3 when closed seals the instantaneous relays through the BFI input Instantaneous 9190600990 Rev G BE1 50BF Functional Description 3 1 output relays remain enabled until the control timer times out and reset
17. OWER OPTION 2 OPTION 2 OR B NORS 50BF 50BF 9 19 9 19 50BF 4 H E POWER OR Br3 SUPPLY STATUS 50BF 30BF 20 20 0956 019 CONTROL BUS 0820 98 Figure 4 9 Control Circuit Connections Typical Isolated Inputs 9190600990 Rev G BE1 50BF Installation 4 9 AC BUS 22 D 2 2 B C A 2 50 50 13 14 4 Ayo 50BF 50BF SOBF SOBF i D956 009 03 04 93 Figure 4 10 Typical Connections Sensing Input Type E C 2 AC BU D 2 A D e D C 4 SOBF SOBF T 13 14 q O SOBF SOBF T 16 50BF 50BF q 17 A 18 d D956 018 03 04 93 Figure 4 11 Typical Connections Sensing Input Type F 4 10 BE1 50BF Installation 9190600990 Rev G 250 VDC SUPERVISORY D956 020 08 20 98 1B2 7 TB2 1 182 2 TB1 7 NON ISOLATED ISOLATED SENSING MODULE SENSING MODULE Tem TB2 7 TB2 1 1B2 2 781 7 TB1 6 BFI SUPERVISORY 50BF 50BF 50BF 50BF 7 9 6 8 50BF 7 9 6 8 DE BE1 50BF RELAY pu B BE1 50BF RELAY WITH TYPE Z POWER SUPPLY WITH TYPE Z POWER SUPPLY 240 VAC O 50BF NON ISOLATED INPUTS 4 ISOLATED INPUTS Figure 4 12 Contact Sensing Modules Power Supply Z MAINTENA
18. UST timers control T1 and optional T2 H PHASE CURRENT ADJUST Multiturn potentiometer establishes the pickup point for Pickup Control phase current Continuously adjustable over the range defined by the style number NEUTral CURRENT Multiturn potentiometer establishes the pickup point for ADJUST Pickup Control neutral current Continuously adjustable over the range defined by the style number J Current Pickup Indicator LED lights when current exceeds the pickup point on any monitored phase or neutral The lamp extinguishes as soon as all monitored inputs drop below pickup K POWER LED LED illuminates to indicate that power supply is operating Target Reset Switch This switch resets the target indicators M BF1 BF2 INST Target Electronically latching red indicators illuminate when the Indicators optional associated output relay has been energized N PUSH TO ENERGIZE Momentary pushbuttons accessible by inserting a 1 8 inch OUTPUT optional diameter non conducting rod through the front panel Pushbuttons are used to energize the output relays in order to test system wiring CAUTION If S1 3 is closed and pickup current present the push to energize switch for the instantaneous output will also close the breaker failure output 9190600990 Rev G BE1 50BF Controls and Indicators 2 1 Em Basler Electric ADJUST O O O A CONT T1 T2 COM CONT T1 T2 PHASE NEUT MONITOR ADJUST BE1
19. and breaks the seal of the seal in circuit if used Breaker failure initiate BFI input seal in is selected by closing printed circuit board switch S1 3 refer to Section 2 for location and Section 3 for logic block diagram This selection may be required when current from an isolated weak source cannot be depended on to maintain the minimum signal level to the protective relays initiating the BFI input Such a condition can occur when the fault voltage is depressed to zero The seal in feature may also counteract contact bounce An optional supervisory contact input to the BE1 50BF relay may be specified When the supervisory contact input is specified a third timer timer 2 is built into the relay Timer 2 plus associated circuitry together with the supervisory contact duplicates the corresponding features of the timer 1 system This addition allows different breaker failure times for different types of failures As an example it might be desirable to use a shorter tripping time if the breaker mechanism fails to operate all three breaker poles failed to clear the fault If the mechanism did operate but only one of the poles failed to clear a longer breaker failure time might be appropriate This protection can be provided by connecting the BFI input in series with a 52a contact of the breaker to the supervisory contact input and setting the delay on timer 2 shorter than timer 1 If the breaker mechanism failed to operate the breaker failur
20. c board left side find S1 and set S1 4 to ON down and all other switches to OFF up Apply appropriate operating power to terminals 3 and 4 Verify that the POWER LED is ON and power supply status contacts if supplied are open Apply a variable source of ac current to phase A terminals 13 and 14 Range of current source should be appropriate to the sensing input range Turn the phase pickup adjustment fully CCW From near zero slowly increase current from the variable current source until the current pickup indicator on front panel lights Measure the current It should be at or below the low end of the sensing input range Turn the phase pickup adjustment fully CW Slowly increase current until the current pickup indicator lights Measure the current It should be at or above the high end of the sensing input range Repeat steps 3 substitute appropriate terminals for terminals 13 and 14 4 and 5 for each phase and neutral if supplied Note that the neutral sensing input range may be different than the phase sensing input range Set the control timer to its maximum period potentiometer fully CW Set timers T1 and T2 to their minimum period both potentiometers fully CCW Provide a means for monitoring contact closure for the three BF outputs terminals 1 and 10 2 and 5 11 and 12 If current operated targets are supplied there must be at least 0 2 A flowing through the contacts when closed Reset targets if supplied A
21. d Targets The relay trip outputs are directly applied to drive the appropriate target indicator Each indicator is illuminated regardless of the current level in the trip circuit Current Operated Targets A current operated target is triggered by closure of the corresponding output contact and the presence of at least 200 milliamperes of current flowing in the trip circuit NOTE Prior to September 2007 BE1 50BF target indicators consisted of magnetically latched disc indicators These mechanically latched target indicators have been replaced by the electronically latched LED targets in use today 9190600990 Rev G BE1 50BF Functional Description 3 3 This page intentionally left blank 3 4 BE1 50BF Functional Description 9190600990 Rev G SECTION 4 e INSTALLATION TABLE OF CONTENTS SECTION 4 6 INSTALLATION uuu n uuu Ee Su Tap alla kaqta s 4 1 INTRODUCTION a sua hu A AAA 4 1 RELAY OPERATING GUIDELINES AND PRECAUTIONS eese nennen 4 1 ues cH 4 1 CONNECTIONS cuco A A A aaa iwa qasi 4 7 MAINTENANCE 2 rossi lad A AA AA 4 11 STORAGE inso a UM t Cie dim quisa 4 11 Figures Figure 4 1 Outline Dimensions Side View Semi Flush Mounted Double Ended 4 2 Figure 4 2 Outline Dimensions Side View Projection Mounted Double Ended 4 3 Figure 4 3 Outline Dimensions Front View Case Cover
22. e Continuously adjustable over the range defined by the style number with independent ranges and adjustments for phase and neutral pickup Pickup Accuracy 2 or 40 mA of pickup setting whichever is greater Pickup Tracking Accuracy Phase to Phase 0 25 to 2 0 A range whichever is greater 0 025 A or 2 between any two phases 1 0 to 8 0 A range whichever is greater 0 10 A or 2 between any two phases Contact Recognition Time Less than 2 5 milliseconds Adjustment Range of Control Timer 150 to 600 milliseconds Adjustment Range of Timer 1 and optional Timer 2 18 to 500 milliseconds Energizing Time of Output Relay Approximately 8 milliseconds Timing Test Points Oscilloscope test points are provided on the front panel for precise checking of the control timer as well as timer 1 These nominal 10 V test points are optically coupled to the logic circuits to provide 1 500 V isolation Contact Sensing The sensing circuits require user supplied contacts with a minimum rating of 0 05 A at 250 Vdc Sensing current is supplied by the relay in style with isolated sensing Styles with non isolated sensing require an applied sensing voltage equal to the relay dc power supply input rating Contact Sensing Burden Burden per contact for non isolated sensing depends on the power supply type Refer to Table 1 1 Table 1 1 Burden Nominal Per Non isolated Sensing Contact Power Supply Type Nominal Burden Pe
23. e relay would be controlled by timer 2 If the breaker mechanism did operate timer 2 would in time reset and the breaker failure relay would be controlled by timer 1 This scheme BFI in series with 52A to supervisory input allows for 52A or current supervision of the BF timers 1 and 2 If 52A supervision is desired switch S1 7 would be closed Refer to Section 3 block diagram for logic details This situation requires the following conditions e 52a contact must be supervised by the BFI contact input e Seal in feature must not be used e Switch S1 4 on the printed circuit board refer to Section 2 for location must be closed 9190600990 Rev G BE1 50BF General Information 1 1 NORMAL gt CLEARING NORMAL TIME CURRENT DET BREAKER DROPOUT CURRENT OPERATION PROTECTIVE BREAKER TIME MARGIN DETECTOR RELAYS OPERATE PICKUP P0059 84 C OPERATE TIME 1 mS TIME TIME PICKUP OF 8 mS S a INPUT BF 9 TIMER 1 E 5 C m FAILED CONTACT 2 5 ms SETTING BREAKER 4 OPERATION 50 BF LOCKOUT OUTPUT RELAY CONTROL RELAY PICKUP TIMER SETTING Figure 1 1 Timing MODEL AND STYLE NUMBER Style Number Electrical characteristics and operational features included in a specific relay are defined by the relay style number The model number and style number appear on the front panel drawout cradle and inside the case assembly Model nu
24. elay will not be installed immediately store it in its original shipping carton in a moisture and dust free environment Before placing the relay in service it is recommended that the test procedures of Section 5 Testing be performed RELAY OPERATING GUIDELINES AND PRECAUTIONS Before installing or operating the relay not the following guidelines and precautions e For proper current operated target operation a minimum current of 200 milliamperes must flow through the output trip circuit e lfawiring insulation test is required remove the connection plugs and withdraw the relay from its case CAUTION When the connection plugs are removed the relay is disconnected from the operating circuit and will not provide system protection Always be sure that external operating monitored conditions are stable before removing a relay for inspection test or service NOTE Be sure that the relay is hard wired to earth ground with no smaller than 12 AWG copper wire attached to the ground terminal on the rear of the case When the relay is configured in a system with other devices it is recommended to use a separate lead to the ground bus from each device MOUNTING Because the relay is of solid state design it does not have to be mounted vertically Any convenient mounting angle may be chosen Refer to Figures 4 1 through 4 5 for relay outline dimensions and panel drilling diagrams 9190600990 Rev G BE1 50BF
25. llisecond at 2 times pickup e Changed Figures 1 1 2 1 and 3 2 e Added Figures 2 2 4 1 and 4 2 9190600990 Rev G BE1 50BF Introduction ili Manual Revision and Date Change C 10 92 Added Note 4 to Style Chart in Section 1 Added specification for pickup tracking accuracy in Section 1 B 03 92 Manual revised to reflect the availability of these options not previously offered Power Supply Status Output Options 2 A and 2 B A 06 91 Added contact sensing specifications and contact sensing burden chart to Section 1 General Information 04 86 Initial release BE1 50BF Introduction 9190600990 Rev G CONTENTS SECTION 1 e GENERAL INFORMATION u 1 1 SECTION 2 e CONTROLS AND INDICATORS L 2 1 SECTION e FUNCTIONAL DESCRIPTION u enn rennen nnns 3 1 SECTION 4 0 INSTALLATION sz aie i de rte f etd ra dari e de 4 1 SECTION 5 eiTESTING tiir CUI IRE 5 1 9190600990 Rev G BE1 50BF Introduction v This page intentionally left blank vi BE1 50BF Introduction 9190600990 Rev G SECTION 1 e GENERAL INFORMATION TABLE OF CONTENTS SECTION 1 e GENERAL INFORMATION a 1 1 DESCRIPTION rt 1 1 TATI A AA oe le eee 1 1 MODEL AND STYLE NUMBER 11 aaa rra rra 1 2 Style N Imb erz a an 1 2 SPECIFICATIONS EE 1 3 Curre
26. mber BE1 50BF designates the relay as a Basler Electric Class 100 Breaker Failure Relay Refer to Figure 1 2 for the style number identification chart Sample Style Number To determine the features in a BE1 50BF relay style number F3F E1J A4S1F refer to the style number identification and the following example F Three phase sensing input type 3 Sensing input range 1 0 to 8 0 amperes for all phases F Three output relays with normally open contacts E1 Definite Timing J Power supply operates from 125 Vdc or 120 Vac A Internally operated targets 4 Non isolated contact sensing S Push to energize outputs pushbuttons 1 Instantaneous Trip F Semi flush mounting 1 2 BE1 50BF General Information 9190600990 Rev G pee soer 11 El h DDD CJ C MODEL NO POWER SUPPLY SENSING INPUT TYPE E Two phose F NO contacts J 125 Vdc and and neutral 100 120 Vac F Three phose K 48 Vdc L 24 Vdc Z 250 Vdc and 240 TIMING SENSING INPUT RANGE E1 Definite time OPTION 1 4 Non isolated contact sensing 5 Isolated contoct sensing 0 None 1 Instantaneous trip 3 Supervisory contact sensing 4 Instantaneous trip ond supervisory contoct sensing 1 0 25 2 0 A OPTION 2 N None 2 Phase 1 0 8 0 A neutral 0 25 2 0 A 3 1 0 8 0 A TARGETS A Power supply status output
27. nd the failed breaker Following are several reasons why a breaker fails to clear a fault e Trip circuit can be open broken wire blown fuse open trip coil e Interrupting mechanism can stick leaving a single phase of a three phase circuit connected e Interrupter can flash over due to the loss of dielectric strength through contamination or damage e Operating mechanism can fail to operate Breaker failure relays detect these conditions and initiate contingency or back up procedures Typically breaker failure protection is applied to transmission and sub transmission systems However breaker failure protection may be applied to any portion of the power system where failure of a circuit breaker to operate properly could result in severe system damage or instability Trip Timing Within the relay are two timers that control operation of the device Timer 1 defines the delay time between recognition of the breaker trip signal and the interrogation of the current monitoring circuits for the presence of current Adjustment range for this timer is 18 to 500 milliseconds At the same time that timer 1 is initiated the control timer is also initiated Figure 1 1 illustrates the trip timing relationships The purpose of the control timer is to increase security by limiting the response time of the relay to a short period following any given attempt to interrupt the breaker The control timer also terminates the closure of the BF output relays
28. nt Sensingi oe m e OM ER DR ERR i RA IIR EM irae rs 1 3 u a a r 1 3 Current Detector Reset usnu estne aaa skak seitens 1 3 PICKUP Ranga esos sez rtm i E e UB RE D REM RR EM RU QE EFL DR Pee e cut 1 4 PICKUp ACCULaCy aaa i E REM RR I URS RE mwa ET Re eet 1 4 Pickup Tracking Accuracy Phase to Phase aaaaaaaaasa anssannnsnanansnnnunannnunannnunannnunananunananunnnnna 1 4 Contact Recognition Time ns 1 4 Adjustment Range of Control Timer eene nennen nennen nest nennen nnns 1 4 Adjustment Range of Timer 1 and optional Timer 2 1 4 Energizing Time of Output Relay n 1 4 A Suyu Saa 1 4 Contact naa one teet te oot ter id 1 4 Contact Sensing Buda illa 1 4 Target dica Seti nds 1 4 Power 2 a E E E 1 4 Output GircUlS vist laa neral A 1 5 E AN 1 5 Radio Frequency Interference REI Gokil b a i eene nnne l O nnne nnn 1 5 Surge Withstand Capability nennen nennen nnne nnns enne nnne nnne 1 5 Fast D E D E 1 5 Impulse Testin sland O ened 1 5 TOMP mm 1 5 SNOCK
29. of Basler Electric It is not the intention of this manual to cover all details and variations in equipment nor does this manual provide data for every possible contingency regarding installation or operation The availability and design of all features and options are subject to modification without notice Should further information be required contact Basler Electric BASLER ELECTRIC ROUTE 143 BOX 269 HIGHLAND IL 62249 USA http www basler com info basler com PHONE 1 618 654 2341 FAX 1 618 654 2351 BE1 50BF Introduction 9190600990 Rev G REVISION HISTORY The following information provides a historical summary of the changes made to the BE1 50BF instruction manual 9190600990 Revisions are listed in reverse chronological order Manual Revision and Date Change G 01 10 e In Figure 1 1 moved Control Timer Setting so that it begins with Timer 1 Setting e In Figure 4 10 move terminals 15 16 from the lower transformer to the middle transformer F 09 07 e Updated output contact ratings and power supply burdens e Updated front panel illustrations to show laser graphic e Updated all applicable illustrations to show revised case covers e Updated Targets description in Section 3 Functional Description e Added manual part number and revision to footers e Moved content of Section 6 Maintenance to Section 4 e Moved content of Section 7 Manual Change Information to manual introduction E 0
30. ovides an output to the logic if enabled by timer 1 Pickup Settings A front panel multi turn potentiometer sets the phase currents pickup thresholds A second potentiometer is provided to establish the neutral current pickup threshold Power Supply Operating power for the relay circuitry is supplied by a wide range electrically isolated low burden power supply Power supply operating power is not polarity sensitive The front panel power LED and power supply status output indicate when the power supply is operating Power supply specifications are listed in Table 1 1 Power Supply Status Contacts Power supply output contacts are monitored at the mother board Normal supply voltage causes the status relay to be continually energized However if at any time the voltage falls below requirements the relay drops out and closes the normally closed contacts Target Indicators Target indicators are optional components selected when a relay is ordered The electronically latched and reset targets consist of red LED indicators located on the relay front panel A latched target is reset by operating the target reset switch on the front panel If relay operating power is lost any illuminated latched targets are extinguished When relay operating power is restored the previously latched targets are restored to their latched state A relay can be equipped with either internally operated targets or current operated targets Internally Operate
31. pply a current to any sensing input so that the current pickup indicator LED is ON Then apply a simulated BFI signal to terminals 6 and 7 observing the requirements of isolated and non isolated contact sensing BF1 BF2 and BF3 contacts should close briefly Also the BF1 and BF2 targets if supplied should be tripped Remove sensing input current Reset targets if supplied If supervisory contact sensing is supplied perform this step If not continue testing with Step 11 Apply a current to any sensing input so that the current pickup indicator LED is ON Apply a simulated BFI signal to terminals 6 and 7 and a simulated 52a supervisory signal to terminals 8 and 9 observing the requirements of contact sensing BF1 BF2 and BF3 contacts should close briefly Also the BF1 and BF2 targets should be tripped Reset targets if supplied If an instantaneous output is not supplied omit all remaining tests If supplied provide a monitor for contact terminals 11 and 12 For current operated targets use at least 0 2 A current flowing through the contacts Set switch S1 1 to ON and all other switches 51 2 through S1 8 to OFF With no current applied to any sensing inputs apply a simulated BFI signal to terminals 6 and 7 Instantaneous contacts should close briefly and the INST target should be tripped Reset target If supervisory contact sensing is supplied open switch S1 1 and S1 2 With no current applied to any sensing inputs apply a
32. r Input J 3 5 W 5 5 VA K 3 5 W L 1 25 W 2 7 0 W 20 VA Target Indicators Electronically latched LED type targets indicate that an output relay has energized Targets are manually reset by operating the target reset switch Either internally operated or current operated targets may be specified Current operated targets require a minimum of 0 2 A in the output trip circuit and are rated at 30 A for 1 second 7 A for 2 minutes and 3 A continuously Power Supply Power for the internal circuitry may be derived from ac or dc external power sources Refer to Table 1 2 1 4 BE1 50BF General Information 9190600990 Rev G Table 1 2 Power Supplies Input Voltage Type Burden at Nominal Nominal Range 125 24 to 150 5 0 W s mig range 120 Vac 90 to 132 Vac 12 2 VA K mid range 48 Vdc 24 to 150 Vdc 4 8 W L low range 24 Vdc 12 to 32 Vdc 4 9 W 250 Vdc 68 to 280 Vdc 5 3 W Z highirange 240 Vac 90 to 270 Vac 14 4 VA Type L power supply may require 14 Vdc to begin operation Once operating the voltage may be reduced to 12 Vdc Output Circuits Resistive Ratings 120 Vac Make break and carry 7 Aac continuously 250 Vdc Make and carry 30 Adc for 0 2 s carry 7 Adc continuously and break 0 3 Adc 500 Vdc Make and carry 15 Adc for 0 2 s carry 7 Adc continuously and break 0 3 Adc Inductive Ratings 120 Vac 125 Vdc 250 Vdc Break 0 3 A L R 0 04
33. simulated supervisory signal to terminals 8 and 9 Instantaneous contacts should close briefly and INST target should be tripped Reset target 9190600990 Rev G BE1 50BF Testing 5 1 This page intentionally left blank 5 2 BE1 50BF Testing 9190600990 Rev G E Basler Electric ROUTE 143 BOX 269 HIGHLAND IL 62249 USA http www basler com info basler com PHONE 1 618 654 2341 FAX 1 618 654 2351
34. the supervisory contacts are closed 6 When ON down the output relays are inhibited until both the T1 and T2 timers have cycled At this time a sensed current above pickup will energize the output relay 7 When ON down a BF output will occur after the expiration of Timer 1 if the supervisory contact is closed regardless of the presence or absence of sensing current 8 When ON down requires closure of the supervisory contact and completion of both T1 and T2 timing cycles to energize the BF output relays In this case sensed current need not be present However if T1 times out before T2 and if sensing current is above pickup a BF output will occur NOTE Switches seven and eight may be used for conducting system tests Note that a BFI output can be obtained WITHOUT the presence of line current SWITCH S1 d H BREAKER FAILURE BOARD v z VJ J POWER SUPPLY ES BOARD D806 004 Figure 2 2 Location of Field Programmable Switch 51 9190600990 Rev G BE1 50BF Controls and Indicators 2 3 This page intentionally left blank 2 4 BE1 50BF Controls and Indicators 9190600990 Rev G SECTION 3 e FUNCTIONAL DESCRIPTION TABLE O
35. when the control timer times out If S1 3 is open instantaneous output relays remain enabled only for the period of time that the BFI or supervisory contacts are closed Two instantaneous output relays are provided Control Timer The control timer provides a window of opportunity for a breaker failure output Control timer cycles are initiated by either a BFI or supervisory input signal For the breaker failure output contacts to close as shown in Figure 3 2 the sensed current must be in excess of the pickup setting Note that all output relays if operated are restored at the end of the control timer cycle To facilitate setting the relay four oscilloscope test jacks are provided on the front panel A through D Figure 2 1 These jacks are completely isolated from all other circuits BFI CONTROL TIMER WINDOW OF OPPORTUNITY CYCLE EE WI TIMED OUT TIMING TIMER OR T2 IF OVERCURRENT DETECTED s CLOSE BF OUTPUT CONTACTS BF ET SEN OPE CLOSED OPE OUTPUT EN EN CONTACTS Figure 3 2 Control Timer Cycle Timer T1 and T2 Timers T1 and T2 provide independently an adjustable time delay to allow current to decay after the breaker is tripped If sensed current is in excess of the pickup setting and the timer times out while the window of opportunity is present before the control timer times out the BF output contacts will close

Instruction Manual for BE1-50BF

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