P12x/EN CM/A96
Commissioning and Maintenance
Page 14/18
MiCOM P120/P121/P122/P123
4.3.2.4
I>> threshold
Values to be recorded
l>> threshold for each phase
tl>> time delay for each phase
I>> threshold check:
If tI>> time delay is short, gradually raise the injection current up to the value of I>>
threshold.
If tI>> time delay is long, inject 0.95 x I threshold and check there is no trip. Then inject 1.1 x
I threshold and check the trip output is close.
Gradually lower the injected current and note the value of the drop out I>> threshold.
Checks:
Display of an alarm message on the front panel LCD.
Alarm LED flashes
Trip LED on
I>> threshold LED on (if programmed).
Trip output closes.
I>> threshold output closes (if programmed).
tI>> time delay check:
Apply a current onto one of the phases and measure the time delay tI>> by pre-setting the
current above the I>> threshold (I injected > 2 x I threshold).
Apply a current onto one of the phases and measure the time delay tI>> by pre-setting the
current above the I>> threshold (I injected > 10 x I threshold).
4.4 Final
checks
The tests are now complete. Remove all test or temporary shorting leads, etc… If it is
necessary to disconnect any of the external wiring from the relay in order to perform the
wiring verification tests, it should be ensured that all connections are replace in accordance
with the relevant external connection or scheme diagram.
If a MMLG test block is installed, remove the MMLB01 test plug and replace the MMLG
cover so that the protection is put into service.
Ensure that all event, fault and disturbance records, alarm and LEDs have been reset before
leaving the relay.
For
MiCOM P123
, if the relay is in a new installation or the circuit breaker has been just
maintained, the circuit breaker maintenance and current counters should be zero. These
counters can be reset using command in RECORD/CB Monitoring menu (refer to User
Guide).
Содержание MiCom P120
Страница 1: ...MiCOM P120 P121 P122 P123 Overcurrent Relays Version 11 Technical Guide P12X EN T A96...
Страница 2: ......
Страница 4: ...P12x EN T A96 Technical Guide Contents Page 2 2 MiCOM P120 P121 P122 P123 BLANK PAGE...
Страница 13: ...Introduction P12x EN IT A96 MiCOM P120 P121 P122 P123 INTRODUCTION...
Страница 14: ......
Страница 16: ...P12x EN IT A96 Introduction Page 2 8 MiCOM P120 P121 P122 P123 BLANK PAGE...
Страница 22: ...P12x EN IT A96 Introduction Page 8 8 MiCOM P120 P121 P122 P123 BLANK PAGE...
Страница 24: ......
Страница 26: ...P12x EN IN A96 Handling Installation and Case Dimensions Page 2 10 MiCOM P120 P121 P122 P123 BLANK PAGE...
Страница 35: ...User Guide P12x EN FT A96 MiCOM P120 P121 P122 P123 USER GUIDE...
Страница 36: ......
Страница 40: ...P12x EN FT A96 User Guide Page 4 72 MiCOM P120 P121 P122 P123 BLANK PAGE...
Страница 108: ...P12x EN FT A96 User Guide Page 72 72 MiCOM P120 P121 P122 P123 BLANK PAGE...
Страница 109: ...Menu Content Tables P12x EN HI A96 MiCOM P120 P121 P122 P123 MENU CONTENT TABLES...
Страница 110: ......
Страница 112: ...P12x EN HI A96 Menu Content Tables Page 2 68 MiCOM P120 P121 P122 P123 BLANK PAGE...
Страница 179: ...Technical Data P12x EN TD A96 MiCOM P120 P121 P122 P123 TECHNICAL DATA AND CHARACTERISTIC CURVES...
Страница 180: ......
Страница 221: ...Application Guide P12x EN AP A96 MiCOM P120 P121 P122 P123 APPLICATION GUIDE...
Страница 222: ......
Страница 226: ...P12x EN AP A96 Application Guide Page 4 80 MiCOM P120 P121 P122 P123 BLANK PAGE...
Страница 302: ...P12x EN AP A96 Application Guide Page 80 80 MiCOM P120 P121 P122 P123 BLANK PAGE...
Страница 304: ......
Страница 305: ...Communications P12x EN CT A96 MiCOM P120 P121 P122 P123 MODBUS DATABASE MiCOM P120 P121 P122 P123 VERSION V11 A...
Страница 306: ......
Страница 367: ...Communications P12x EN CT A96 MiCOM P120 P121 P122 P123 COURIER DATABASE MiCOM P120 P121 P122 P123 VERSION V11 A...
Страница 368: ......
Страница 370: ...P12x EN CT A96 Communications COURIER DATABASE Page 2 248 MiCOM P120 P121 P122 P123 BLANK PAGE...
Страница 514: ...P12x EN CT A96 Communications COURIER DATABASE Page 146 248 MiCOM P120 P121 P122 P123...
Страница 515: ...Communications P12x EN CT A96 MiCOM P120 P121 P122 P123 IEC 60870 5 103 MiCOM P120 P121 P122 P123 VERSION V11 A...
Страница 516: ......
Страница 518: ...P12x EN CT A96 Communications IIEC 60870 5 103 Page 2 248 MiCOM P120 P121 P122 P123 BLANK PAGE...
Страница 536: ...P12x EN CT A96 Communications IEC 60870 5 103 Page 20 248 MiCOM P120 P121 P122 P123...
Страница 537: ...Communications P12x EN CT A96 MiCOM P120 P121 P122 P123 DNP 3 0 DATABASE MiCOM P120 P121 P122 P123 VERSION V11 A...
Страница 538: ......
Страница 540: ...P12x EN CT A96 Communications DNP 3 0 Database Page 2 248 MiCOM P120 P121 P122 P123 BLANK PAGE...
Страница 553: ...Commissioning and Maintenance P12x EN CM A96 MiCOM P120 P121 P122 P123 COMMISSIONING AND MAINTENANCE GUIDE...
Страница 554: ......
Страница 573: ...Connection Diagrams P12x EN CO A96 MiCOM P120 P121 P122 P123 CONNECTION DIAGRAMS...
Страница 574: ......
Страница 579: ...Commissioning Test Record Sheets P12x EN RS A96 MiCOM P120 P121 P122 P123 COMMISSIONING TEST RECORD SHEETS...
Страница 580: ......
Страница 582: ...P12x EN RS A96 Commissioning Test Record Sheets Page 2 60 MiCOM P120 P121 P122 P123 BLANK PAGE...
Страница 640: ...P12x EN RS A96 Commissioning Test Record Sheets Page 60 60 MiCOM P120 P121 P122 P123 BLANK PAGE...
Страница 642: ......
Страница 644: ...P12x EN VC A96 Hardware Software Version History and Compatibility Page 2 26 MiCOM P120 P121 P122 P123 BLANK PAGE...
Страница 667: ......