P44x/EN CM/E33
Commissioning
Page 10/54
MiCOM P441/P442 & P444
4.1.5
Watchdog Contacts
Using a continuity tester, check that the normally closed watchdog contacts are in the states
given in table 2 for a de-energised relay.
Terminals Contact
State
Relay De-energised
Relay Energised
F11-F12
J11-J12
N11-N12
(P441)
(P442)
(P444)
Closed Open
F13-F14
J13-J14
N13-N14
(P441)
(P442)
(P444)
Open Closed
TABLE 2 - WATCHDOG CONTACT STATUS
4.1.6 Auxiliary
Supply
The relay can be operated from either a dc only or an ac/dc auxiliary supply depending on
the relay’s nominal supply rating. The incoming voltage must be within the operating range
specified in table 3.
Without energising the relay, measure the auxiliary supply to ensure it is within the operating
range.
Nominal Supply Rating
DC [AC rms]
DC Operating Range
AC Operating Range
24/54V [-]
19
-
65V
-
48/110V
[30/100V]
37 - 150V
24 - 110V
110/250V
[100/240V]
87 - 300V
80 - 265V
TABLE 3 - OPERATIONAL RANGE OF AUXILIARY SUPPLY
It should be noted that the relay can withstand an ac ripple of up to 12% of the upper rated
voltage on the dc auxiliary supply.
DO NOT ENERGISE THE RELAY USING THE BATTERY CHARGER WITH THE BATTERY
DISCONNECTED AS THIS CAN IRREPARABLY DAMAGE THE RELAY’S POWER
SUPPLY CIRCUITRY.
Energise the relay if the auxiliary supply is within the operating range. If an MMLG test block
is provided, it may be necessary to link across the front of the test plug to connect the
auxiliary supply to the relay.
4.2
With the Relay Energised
The following group of tests verify that the relay hardware and software is functioning
correctly and should be carried out with the auxiliary supply applied to the relay.
The current and voltage transformer connections must remain isolated from the relay for
these checks.
4.2.1 Watchdog
Contacts
Using a continuity tester, check the watchdog contacts are in the states given in table 3 for
an energized relay.
4.2.2
Date and Time
The date and time should now be set to the correct values. The method of setting will
depend on whether accuracy is being maintained via the optional Inter-Range
Instrumentation Group standard B (IRIG-B) port on the rear of the relay.
Summary of Contents for MiCOM P441
Page 1: ...MiCOM P441 P442 P444 Numerical Distance Protection VC2 x Technical Guide P44x EN T E44...
Page 2: ......
Page 4: ...P44x EN T E44 Technical Guide Page 2 2 MiCOM P441 P442 P444 BLANK PAGE...
Page 5: ...Pxxxx EN SS C11 SAFETY SECTION...
Page 6: ......
Page 8: ...Pxxxx EN SS C11 Page 2 10 Safety Section BLANK PAGE...
Page 17: ...Update Documentation P44x EN AD E44 MiCOM P441 P442 P444 UPDATE DOCUMENTATION VERSION C2 X...
Page 18: ......
Page 22: ...P44x EN AD E44 Update Documentation Page 4 82 MiCOM P441 P442 P444 BLANK PAGE...
Page 23: ...Update Documentation P44x EN AD E44 MiCOM P441 P442 P444 Page 5 82 P44X EN IT E33 INTRODUCTION...
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Page 44: ......
Page 96: ...P44x EN AD E44 Update Documentation Page 78 82 MiCOM P441 P442 P444 BLANK PAGE...
Page 98: ......
Page 100: ...P44x EN AD E44 Update Documentation Page 82 82 MiCOM P441 P442 P444 BLANK PAGE...
Page 101: ...Introduction P44x EN IT E33 MiCOM P441 P442 P444 INTRODUCTION...
Page 102: ......
Page 104: ...P44x EN IT E33 Introduction Page 2 24 MiCOM P441 P442 P444 BLANK PAGE...
Page 127: ...Relay Description P44x EN HW E33 MiCOM P441 P442 P444 RELAY DESCRIPTION...
Page 128: ......
Page 132: ...P44x EN HW E33 Relay Description Page 4 44 MiCOM P441 P442 P444 BLANK PAGE...
Page 152: ...P44x EN HW E33 Relay Description Page 24 44 MiCOM P441 P442 P444 Example isolated AC fault...
Page 153: ...Relay Description P44x EN HW E33 MiCOM P441 P442 P444 Page 25 44...
Page 173: ...Application Notes P44x EN AP E33 MiCOM P441 P442 P444 APPLICATION NOTES...
Page 174: ......
Page 180: ...P44x EN AP E33 Application Notes Page 6 220 MiCOM P441 P442 P444 BLANK PAGE...
Page 357: ...Application Notes P44x EN AP E33 MiCOM P441 P442 P444 Page 183 220...
Page 364: ...P44x EN AP E33 Application Notes Page 190 220 MiCOM P441 P442 P444 BLANK PAGE...
Page 394: ...P44x EN AP E33 Application Notes Page 220 220 MiCOM P441 P442 P444 BLANK PAGE...
Page 395: ...Technical Data P44x EN TD E33 MiCOM P441 P442 P444 TECHNICAL DATA...
Page 396: ......
Page 400: ...P44x EN TD E33 Technical Data Page 4 30 MiCOM P441 P442 P444 BLANK PAGE...
Page 427: ...Installation P44x EN IN E33 MiCOM P441 P442 P444 INSTALLATION...
Page 428: ......
Page 430: ...P44x EN IN E33 Installation Page 2 10 MiCOM P441 P442 P444 BLANK PAGE...
Page 438: ...P44x EN IN E33 Installation Page 10 10 MiCOM P441 P442 P444 BLANK PAGE...
Page 439: ...Commissioning P44x EN CM E33 MiCOM P441 P442 P444 COMMISSIONING...
Page 440: ......
Page 494: ...P44x EN CM E33 Commissioning Page 54 54 MiCOM P441 P442 P444 BLANK PAGE...
Page 496: ......
Page 498: ...P44x EN RS E33 Commissioning Test Record Sheets Page 2 10 MiCOM P441 P442 P444 BLANK PAGE...
Page 507: ...Connection Diagrams P44x EN CO E33 MiCOM P441 P442 P444 CONNECTION DIAGRAMS...
Page 508: ......
Page 510: ...P44x EN CO E33 Connection Diagrams Page 2 12 MiCOM P441 P442 P444 BLANK PAGE...
Page 520: ...P44x EN CO E33 Connection Diagrams Page 12 12 MiCOM P441 P442 P444 BLANK PAGE...
Page 521: ...Courrier Data Base P44x EN GC E44 MiCOM P441 P442 P444 CONFIGURATION MAPPING...
Page 610: ...Courier Data Base P44x EN GC E44 MiCOM P441 P442 P444 DEFAULT PROGRAMMABLE SCHEME LOGIC PSL...
Page 615: ...Menu Content Tables P44x EN HI E44 MiCOM P441 P442 P444 MENU CONTENT TABLES...
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Page 634: ...P44x EN VC E44 Hardware Software Version Page 8 8 MiCOM P441 P442 P444 BLANK PAGE...
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