Section 2
Available functions
2.1
Main protection functions
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
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 for generators
and transformers
0–1
1
1
1
1MRK502052-UEN B
Section 2
Available functions
53
Technical manual
Summary of Contents for Relion REG670
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