Available Functions - ABB RELION 650 Series Product Manual

Transformer protection
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Transformer protection RET650 2.1 IEC

2. Available functions

Main protection functions
Table 1. Example of quantities
2
= number of basic instances
0-3
= option quantities
3-A03
= optional function included in packages A03 (refer to ordering details)
IEC 61850
ANSI
Differential protection
T3WPDIF
87T
REFPDIF
87N
Back-up protection functions
IEC 61850
ANSI
Current protection
PHPIOC
50
OC4PTOC
1)
51_67
EFPIOC
50N
EF4PTOC
51N
2)
67N
TRPTTR
49
CCRBRF
50BF
Multipurpose protection
CVGAPC
1)
67 requires voltage
2)
67N requires voltage
ABB
Function description
Transformer differential protection, three winding
Restricted earth fault protection, low impedance
Function description
Instantaneous phase overcurrent protection
Four step phase overcurrent protection
Instantaneous residual overcurrent protection
Four step residual overcurrent protection
Thermal overload protection, two time constant
Breaker failure protection
General current and voltage protection
1MRK 504 161-BEN C
GUID-66BAAD98-851D-4AAC-B386-B38B57718BD2 v12
Transformer
RET650 (A05)
1
2
GUID-A8D0852F-807F-4442-8730-E44808E194F0 v11
Transformer
RET650 (A05)
1
3
1
2
1
3
3
5

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