Operation Guide
P341/EN O/B11
Commissioning and
CHAPTER 3
Maintenance
Page 33/80
MiCOM P341
Once the relay has been reassembled after repair, it should be recommissioned in
accordance with the instructions in sections 1 to 7 inclusive of this chapter.
8.3.2.5
Replacement of the relay board in the power supply module
Remove and replace the relay board in the power supply module as described in
8.3.2.4 above.
The relay board is the one with holes cut in it to allow the transformer and two large
electrolytic capacitors of the power supply board to protrude through. To help
identify that the correct board has been removed, Figure 10 illustrates the layout of
the relay board.
ZN000
D
1
2
3
4
SK1
PL2
C38
C40
C39
C42
C41
C44
C43
C60
C59
C58
C57
C56
C55
C54
C2
C1
C53
C52
C45
C51
C50
C49
C48
C47
C46
C9
C8
C7
C6
C5
C4
C3
C61
C69
C68
C67
C66
C65
C64
C63
C62
C14
C13
C11
C12
C16
C15
PL1
R77
R70
R76
R69
R75
R68
R79
R72
R78
R71
R81
R74
R80
R73
R13
R12
R11
R10
R35
R34
R33
R37
R36
R39
R38
R14
R63
R56
R49
R55
R62
R48
R61
R54
R47
R65
R51
R64
R50
R67
R60
R53
R66
R59
R52
R57
R58
R28
R27
R26
R30
R29
R32
R31
R1
R84
R83
R82
R18
R17
R15
R9
R8
R7
R6
R5
R4
R3
R2
R19
R20
R22
R24
R23
R25
R21
RL4
RL5
RL6
RL7
RL3
RL2
RL1
IC2
IC6
IC5
IC4
IC3
IC1
IC7
E2
E1
D2
D1
D10
D12
D11
D14
D13
D16
D15
D3
D5
D4
D7
D6
D9
D8
TR5
TR4
TR3
TR7
TR6
TR8
TR2
TR9
TR12
TR11
TR10
TR14
TR13
TR15
TR1
TR16
D17
D18
D20
D22
D21
D23
D19
PL3
C17
C18
C19
C20
C21
C22
C23
SERIAL No.
Figure 10: Typical relay board
Before re-assembling the module with a replacement relay board check that the
number on the round label adjacent to the front edge of the PCB matches the slot
number into which it will be fitted. If the slot number is missing or incorrect write the
correct slot number on the label.
Ensure the setting of the link (located above IDC connector) on the replacement relay
board is the same as the one being replaced before replacing the module in the relay
case.
Once the relay has been reassembled after repair, it should be recommissioned in
accordance with the instructions in sections 1 to 7 inclusive of this chapter.
8.4
Recalibration
Recalibration is not required when a PCB is replaced unless it happens to be one of
the boards in the input module, the replacement of either directly affect the
calibration.
Although it is possible to carry out recalibration on site, this requires test equipment
with suitable accuracy and a special calibration program to run on a PC. It is
therefore recommended that the work is carried out by the manufacturer, or entrusted
to an approved service centre.
Содержание MiCOM P341
Страница 1: ...MiCOM P341 Interconnection Protection Relay Operation Guide P341 EN O B11...
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Страница 3: ...Operation Guide MiCOM P341 Interconnection Protection Relay Volume 2...
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Страница 17: ...Operation Guide P341 EN O B11 MiCOM P341 CHAPTER 1 Introduction...
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Страница 53: ...Operation Guide P341 EN O B11 MiCOM P341 CHAPTER 3 Commissioning and Maintenance...
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Страница 135: ...Operation Guide P341 EN O B11 MiCOM P341 CHAPTER 4 Problem Analysis...
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Страница 145: ...Operation Guide P341 EN O B11 MiCOM P341 APPENDIX A Relay Menu Database...
Страница 273: ...Operation Guide P341 EN O B11 MiCOM P341 APPENDIX B External Connection Diagrams...
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