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BE1-25/79TR Testing

5-14

Step 7.

Verify that all contact sensing inputs are open.  Operate the Status/EDIT Down switch.

Observe that the relay completes the pre-programmed test sequence.  The sequence of
events (tests) is as follows:

HSR Target LED ON

LT1 Target LED ON

LT2 Target LED ON

PAR Target LED ON

PF Target LED ON

RP1 Target LED ON

RP2 Target LED ON

LO Target LED ON

LT1 Timing LED ON

LT2 Timing LED ON

RP1 Timing LED ON

RP2 Timing LED ON

PF Timing LED ON

PAR Timing LED ON

LO Timing LED ON

RST Timing LED ON

DB Control LED ON

LB Control LED ON

DL Control LED ON

LL Control LED ON

TRIP Control LED ON

CLOSE Control LED ON

25 Control LED ON

CE Control LED ON

CLOSE contacts close

TRIP contacts close

N.O. PROG 1 contacts close.

N.O. PROG 2 contacts close.

N.O. PROG 3 contacts close.

LT1 contact closes.

LT2 contact closes.

RP1 contact closes.

RP2 contact closes.

Normally closed RT ALM contacts opens.

SYNC contacts close

Allows Step 6 to be performed.

Step 8.

To terminate the test, operate the Reset switch.

Содержание BE1-25/79TR

Страница 1: ...05647 6 10 07 14 19 241 5 0 4 15 0 4 64 Publication 9 2787 00 990 Revision B 07 95...

Страница 2: ...ocedures presented in this manual INTRODUCTION This manual provides information concerning the operation of BE1 25 79TR Sync Check Reclosing Relays To accomplish this the following information is prov...

Страница 3: ...Printed in USA July 1995 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 installatio...

Страница 4: ...er T1 Faults and Clears 1 9 Bus D or Transformer T1 Faults and Fails to Clears 1 9 Bus E or Transformer T2 Faults and Fails to Clears 1 9 Model Numbers 1 10 Specifications 1 11 Section 2 CONTROLS AND...

Страница 5: ...Potential Timer 3 11 Selection Functions 3 11 HSR Sync 3 11 Start 52b 3 11 Communications 3 11 General 3 11 RS232 C Format 3 11 Serial Port Connections and Configurations 3 12 Serial Communication 3 1...

Страница 6: ...L Inhibit 5 10 Phase Accept 5 10 Slip Frequency Difference 5 11 Programmable Outputs 5 11 Calibration 5 12 Self Test 5 13 Loading Factory Default Settings 5 15 Section 6 MAINTENANCE 6 1 General 6 1 In...

Страница 7: ...es are required to fully automate your transmission line system CAPABILITIES BE1 25 79TR relays are similar in principle to mechanical repeat cycle timers where various operations are permitted as the...

Страница 8: ...the front panel Visual Display Twelve character display to monitor function status and settings Targets Eight red LEDs Control Four yellow LEDs Timing Seven green LEDs Status One green and four yello...

Страница 9: ...losed or the high speed reclose HSR input closes momentarily refer to Figure 1 2 for timing relationships Either of these conditions cause the master timer and all reclose timers to begin timing The s...

Страница 10: ...the breaker 52b contact is checked If the breaker remains closed for the time established for RST1 timer then the relay is reset Figure 1 2 PAR LL LB Reclosing Timing Chart Figure 1 3 Failed Reclose...

Страница 11: ...m A programmable output contacts PROG1 PROG2 and PROG3 are provided to indicate system voltage conditions loss of potential Lockout reclosing in progress parallel and high speed reclosing targets Form...

Страница 12: ...ar manner for breaker 52 2 BE1 25 79TR relay number 3 is connected to motor operated switch 89 4 with bus D PT feeding the line input and bus E PT feeding the bus input BE1 25 79TR relay number 4 is c...

Страница 13: ...BE1 25 79TR General Information 1 7 Figure 1 5 Application Example BE1 25 79TR Relay 1 Figure 1 6 Application Example BE1 25 79TR Relay 2...

Страница 14: ...BE1 25 79TR General Information 1 8 Figure 1 7 Application Example BE1 25 79TR Relay 3 Figure 1 8 Application Example BE1 25 79TR Relay 4...

Страница 15: ...mer expires the relay drives to lockout During this time RP2 timer in BE1 25 79TR 2 is enabled by the input through the RP memory 1 normally closed contacts of BE1 25 79TR 4 relay motor operated switc...

Страница 16: ...ription 9 2787 00 100 Three phase 120 Vac 125 Vdc Horizontal Mount 9 2787 00 101 Three phase 48 Vdc Horizontal Mount 9 2787 00 102 Three phase 120 Vac 125 Vdc Vertical Mount 9 2787 00 103 Three phase...

Страница 17: ...10 to 135 volts at 25 C Setpoint Accuracy 1 0 from a reference measurement at 25 C at nominal input frequency and levels over the specified operating range of temperature and input voltages Voltage Di...

Страница 18: ...ential LOP TD 0 01 9 99 seconds If the breaker is intended to operate open parallel disabled then the relay will go to reset after the master timer times out and RST2 timer expires The bus and line wi...

Страница 19: ...inductance resistance L R ratio 0 04 125 250 Vdc Indicators Targets Eight LED s red on the front panel status display The targets are High Speed Reclose HSR Power Failure PF Line Test 1 LT1 Line Test...

Страница 20: ...Standard Surge Withstand Capability SWC Tests for Protective Relays and Relay Systems Fast Transient All inputs and outputs except for communication ports are qualified to ANSI IEEE C37 90 1 1989 Radi...

Страница 21: ...ATORS Figures 2 1 and 2 2 illustrate the horizontal BE1 25 79TR Sync Check Reclosing Relay front and rear views Figure 2 1 BE1 25 79TR Sync Check Reclosing Relay Front View Figure 2 2 BE1 25 79TR Sync...

Страница 22: ...Settings Select Up Selects front panel display SETTINGS mode to show all settable parameters and scrolls up through the available settings F Settings Select Down Selects front panel display SETTINGS...

Страница 23: ...BE1 25 79TR Controls and Indicators 2 3 Figure 2 3 Location of Controls and Indicators Control Panel...

Страница 24: ...pull handle and withdraw the electronics from the case Flip over the electronics to view the bottom of the mounting chassis The four memory outputs RP1 LT1 RP2 and LT2 may be configured to be N O nor...

Страница 25: ...BE1 25 79TR Controls and Indicators 2 5 Figure 2 5 Vertical BE1 25 79TR Sync Check Reclosing Relay Front View...

Страница 26: ...BE1 25 79TR Controls and Indicators 2 6 Figure 2 6 Vertical BE1 25 79TR Sync Check Reclosing Relay Rear View...

Страница 27: ...BE1 25 79TR Controls and Indicators 2 7 Figure 2 7 Front Panel Vertical Mount Relay...

Страница 28: ...rted to digital signals by an analog to digital convertor ADC internal to the on board microprocessor The microprocessor uses a four sample per cycle algorithm to calculate voltage magnitudes Phase an...

Страница 29: ...BE1 25 79TR Functional Description 3 2 Figure 3 1 Functional Block Diagram...

Страница 30: ...r future use 1 254 K BAUD Communication Baud Rate 0 3 0 6 1 2 2 4 4 8 9 6 MASTER TD Master Time Delay 1 999 seconds RST1 TD Reset 1 Time Delay 1 999 seconds RST2 TD Reset 2 Time Delay 1 999 seconds HS...

Страница 31: ...t switch is operated or when the switches are left unchanged for over 1 minute After entering status mode the state of the controlled breaker is monitored RST1 timer times if the breaker is closed If...

Страница 32: ...contact sensing input PAR If the breaker is intended to operate open this function would be disabled The parallel function has a time delay of 1 to 999 seconds This function is initiated with the PAR...

Страница 33: ...to 999 cycles The sync check function is independent of the master timer and can provide independent synchronism reclosing refer to Figure 3 2 Available parameters refer to Figure 3 3 are Phase Window...

Страница 34: ...dead voltage limits Available parameters are Delta V Condition Adjustable from 1 to 135 Vac Blocks closing when difference between the magnitude of the bus and line potentials is greater than this set...

Страница 35: ...by front panel LED when LED is ON Live Bus LB Condition adjustable from 10 to 135 Vac Enabled when bus voltage is greater than setting Indicated by front panel LED when LED is ON Dead Bus DB Conditio...

Страница 36: ...et mode the reset LED RST lights and all target LED s and memory outputs are turned off TIMING FUNCTIONS Master Timer The master timer allows the maximum window of time for a reclosing sequence and ha...

Страница 37: ...econds If the master timer is enabled due to conditions described in the master timer paragraph all five reclose timers will start timing down and the associated timing LED s will light When a reclose...

Страница 38: ...reclose to occur unless the sync check conditions are met with SYNC output closed Start 52b This selection allows the master timer to start timing along with all the reclose timers LT1 LT2 RP1 RP2 an...

Страница 39: ...ll down the Settings menu and select Terminal Emulation refer to Figure 3 5 After you have chosen Terminal Emulation a dialog box similar to Figure 3 6 should appear Select DEC VT 100 and OK the selec...

Страница 40: ...ta or capture data to a file No special commands are needed to retrieve data other than a few keystrokes to select the desired screen Each screen is displayed by transmitting a series of information s...

Страница 41: ...d includes one or more events 3 RESET MAINTENANCE VALUES This screen provides a means for the user maintenance personnel to reset the number of breaker operations associated with breaker maintenance a...

Страница 42: ...creen to identify this relay from other devices DATE and TIME are the current date and time as reported from the relay The internal parameters are checked at power up and during normal operation If no...

Страница 43: ...TER STATUS RAM OK ERROR ROM OK ERROR A D CONVERTER OK ERROR EEPROM OK ERROR PT CAL NUMBERS OK ERROR POWER SUPPLY OK ERROR SYS FREQ 60 50 LINE V a b c xxx x xxx x xxx x BUS V a b c xxx x xxx x xxx x DI...

Страница 44: ...ETTINGS Y N with Y before the selection is actually saved and set in the settings table RELAY ID XXXXXXXXXXXXXXXXXXXXXXXX DATE mm dd yy TIME hh mm ss REVIEW EDIT SETTINGS FUNCTION EXIST NEW FUNCTION E...

Страница 45: ...uling breaker maintenance EDIT SETTINGS PASSWORD and DIAGNOSTICS PASSWORD are8characterorlesspasswords required to enter the REVIEW EDIT SETTINGS screen PROGRAMMABLE OUTPUTS screen and DIAGNOSTICS scr...

Страница 46: ...erscore _ A blank or return may be used to get around using the password by typing return enter when a new password is entered This results in displaying null under the NEW column STATION NAME and LIN...

Страница 47: ...ted from the relay The SUMMARY REPORT displays a screen that shows the input type name input direction and time associated for each event for a selected record The DETAILED REPORT displays a screen th...

Страница 48: ...REPORT screen LOSS OF POTENTIAL occurs when either the bus or line goes dead while the breaker is closed for the duration of the LOP TD RESET BY USER occurs when the RESET EVENT parameter is set in t...

Страница 49: ...N EVENT AND G FOLLOWED WITH xx TO GO TO A RECORD PRESS ESC TO RETURN TO REPORTS MENU Figure 3 16 Summary Report Screen Detailed Report Figure 3 17 This activity screen provides a detailed report of ea...

Страница 50: ...indicates that the contact sensing input is closed Under OUTPUTS in Figure 3 17 an output with a 0 indicates that the output relay is not energized If the output is a 1 it indicates that the output r...

Страница 51: ...0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 HH MM SS SH 1 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 HH MM SS SH 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 HH MM SS SH 1 1...

Страница 52: ...ECLOSING IN PROGRESS function is indicated whenever the relay is not in RESET and is not in LOCKOUT When ESC is pressed after a settings change a statement requesting verification of the setting chang...

Страница 53: ...id state devices and have been type tested in accordance with the requirements defined in the following paragraph Dielectric Test If a wiring insulation test is required on the switchgear or panel ass...

Страница 54: ...g the cutout dimensions of Figure 4 2 as a guide When panel mounting the relay an optional escutcheon plate can be installed to cover variations in panel cutouts Figure 4 3 shows the mounting flanges...

Страница 55: ...imensions for Non Rack Mounting Legend For Figure 4 3 1 Screw Flat Head 8 32 x 7 16 Phillips Head 2 Escutcheon Plate 3 Screw Flat Head 4 40 x 5 16 Torx Head T10 4 Screw Pan Head 4 40 x 3 8 Torx Head T...

Страница 56: ...four screws 3 two each from the relay top and bottom Position the escutcheon plate at the standard location and reinstall the attaching hardware When installing the escutcheon plate at the alternate...

Страница 57: ...s are suitable for use with wire sizes of 14 AWG or smaller Typical connection diagrams are shown in Figures 4 6 and 4 7 Figure 4 8 shows a typical connection diagram for BE1 25 79TR Sync Check Reclos...

Страница 58: ...BE1 25 79TR Installation 4 6 Figure 4 6 Typical Connection Diagram Single Phase Figure 4 7 Typical Connection Diagram Three Phase...

Страница 59: ...High Speed Feature Cut Out HRC High Speed Reclose Cancel HRI High Speed Reclose Initiate HSR High Speed Reclose Enable LT1 First Line Test Enable P FCO Parallel Feature Cut Out PAR Parallel Enable PF...

Страница 60: ...BE1 25 79TR Installation 4 8 Figure 4 9 RS 232 Interconnection Diagram For IBM Type Computers...

Страница 61: ...BE1 25 79TR Installation 4 9 Figure 4 10 RS 232 Interconnection Diagram For Protective Relay Terminals...

Страница 62: ...est is divided into eight different functional areas The functional areas are Time Date Settings and Save Timers Control Inputs Voltage Monitor Voltage Difference Inhibit Sync LB and LL Inhibit Phase...

Страница 63: ...BE1 25 79TR Testing 5 2 REAR VIEW FRONT VIEW Figure 5 1 BE1 25 79TR Test Simulator...

Страница 64: ...BE1 25 79TR Testing 5 3 Figure 5 2 BE1 25 79TR Test Simulator Schematic Diagram Sheet 1 of 2...

Страница 65: ...BE1 25 79TR Testing 5 4 Figure 5 3 BE1 25 79TR Test Simulator Schematic Diagram Sheet 2 of 2...

Страница 66: ...BE1 25 79TR Testing 5 5 Figure 5 4 Test Setup Diagram...

Страница 67: ...ep 3 Set the line voltage at a dead level and the bus voltage at a live level Step 4 Close the LT1 switch and operate the MANUAL TRIP switch on the test set Observe LT1 timer counts down the test set...

Страница 68: ...ep 20 Close the PAR switch on the test set and trip the breaker Verify that the time from when the sync contacts close until the test set breaker closes equals the desired parallel time delay Step 21...

Страница 69: ...ch open the test set PAR switch and reset the relay targets LOP Timer Step 31 Use SET SELECT and Status EDIT switches to set LOP timer to 100 Save setup using Status EDIT and RESET switches Step 32 Se...

Страница 70: ...p 13 Open the test set PAR switch DTL Step 14 With the test set breaker closed and the relay RST LED ON close the DTL switch on the test set Observe that the RST LED extinguishes and the LO LED lights...

Страница 71: ...e preliminary setup procedures Step 2 Apply voltages that are lower than the relay LL and LB settings The relay LL and LB LEDs should NOT be ON Step 3 Trip the test set breaker and verify that no sync...

Страница 72: ...al to the relay slip frequency difference setting 0 05 Hz Step 5 Return the line frequency to system frequency Step 6 Raise the line frequency until the LB and LL LEDs start flashing The frequency of...

Страница 73: ...operation operate Settings Select UP or DOWN switch UP for 60 Hz DOWN for 50 Hz Step 7 Verify the selection of system frequency by operating Status EDIT Up switch and observe that the following is di...

Страница 74: ...following steps Step 1 Perform the preliminary setup procedures Step 2 Operate Set Select UP or DOWN switch and observe SETTINGS MDE indicated on display Step 3 Operate Set Select UP or DOWN switch u...

Страница 75: ...ED ON RP1 Timing LED ON RP2 Timing LED ON PF Timing LED ON PAR Timing LED ON LO Timing LED ON RST Timing LED ON DB Control LED ON LB Control LED ON DL Control LED ON LL Control LED ON TRIP Control LED...

Страница 76: ...TART 52B 0 0 N 1 Y BKR RECG 2 x4 MSEC LOP TD 0 x10 MSEC ADDRESS 125 BAUD RATE 19200 FRONT BAUD RATE 19200 REAR Load Default Settings Step 1 Operate the Set Select UP or DOWN switch and observe that SE...

Страница 77: ...is to be attempted replacement parts may be purchased locally The quality of replacement parts must be at least equal to that of the original components Where special components are involved Basler El...

Страница 78: ...rom plus or minus 12 Vdc to plus or minus 15 Vdc Added cutout dimensions and drawings and information for the escutcheon plate Added Section 7 Manual Change Information 15096 05 12 95 B Clarified the...

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