IEC 61850
ANSI
Function description
Generator
REG670
REG670 (A20)
REG670 (B30)
REG670 (C30)
ROV2PTOV
59N
Two step residual overvoltage
protection
0-3
3
3
3
OEXPVPH
24
Overexcitation protection
0-2
1
1
2
VDCPTOV
60
Voltage differential protection
0-2
2
2
2
STEFPHIZ
59THD
100% stator earth fault
protection, 3rd harmonic based
0-1
1-D21
1
1
LOVPTUV
27
Loss of voltage check
Frequency protection
SAPTUF
81
Underfrequency protection
0-6
3
6
6
SAPTOF
81
Overfrequency protection
0-6
3
6
6
SAPFRC
81
Rate-of-change frequency
protection
0-3
1
3
3
FTAQFVR
81A
Frequency time accumulation
protection
0-12
12-E03
12-E03
12-E03
Multipurpose protection
CVGAPC
General current and voltage
protection
1-12
6
6
6
General calculation
SMAIHPAC
Multipurpose filter
0-6
1) 67 requires voltage
2) 67N requires voltage
2.3
Control and monitoring functions
IEC 61850
ANSI
Function description
Generator
REG670
REG670 (A20)
REG670 (B30)
REG670 (C30)
Control
SESRSYN
25
Synchrocheck, energizing check and
synchronizing
0-2
1
2
2
APC30
3
Apparatus control for up to 6 bays, max 30
apparatuses (6CBs) incl. interlocking
0-1
1-H09
1-H09
1-H09
QCBAY
Apparatus control
1+5/APC30
1+5/
APC3
0
1+5/
APC3
0
1+5/
APC3
0
Table continues on next page
1MRK502052-UEN B
Section 2
Available functions
55
Technical manual
Summary of Contents for Relion REG670
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