2. Available functions
Main protection functions
GUID-66BAAD98-851D-4AAC-B386-B38B57718BD2 v12
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
Function description
Generator
REG670
(Customized)
REG670 (A20)
REG670 (B30)
REG670 (C30)
Differential protection
T2WPDIF
87T
Transformer differential protection, two winding
0-2
1-A31
1-A33
1
T3WPDIF
87T
Transformer differential protection, three winding
0-2
1-A33
1
HZPDIF
87
1Ph high impedance differential protection
0-6
3-A02
3
6
GENPDIF
87G
Generator differential protection
0-2
1
2
2
REFPDIF
87N
Restricted earth fault protection, low impedance
0-3
1-A01
1
Impedance protection
ZMHPDIS
21
Fullscheme distance protection, mho characteristic
0-4
3
3
3
ZDMRDIR
21D
Directional impedance element for mho characteristic
0-2
1
1
1
ZMFPDIS
21
High speed distance protection
0–1
ZMFCPDIS
21
High speed distance protection for series compensated
lines
0–1
PSPPPAM
78
Pole slip/out-of-step protection
0-1
1-B21
1-B21
1-B21
OOSPPAM
78
Out-of-step protection
0-1
LEXPDIS
40
Loss of excitation
0-2
1
2
2
ROTIPHIZ
64R
Sensitive rotor earth fault protection, injection based
0-1
1-B31
1-B31
1-B31
STTIPHIZ
64S
100% stator earth fault protection, injection based
0-1
1-B32
1-B32
1-B32
ZGVPDIS
21
Underimpedance protection for generators and
transformers
0–1
1
1
1
1MRK 502 068-BEN D
Generator protection REG670 2.1 IEC
Product version: 2.1
ABB
7