Frequency Protection; Multipurpose Protection; General Calculation - ABB RET670 Product Manual

Transformer protection RET670 2.0
Product version: 2.0
IEC 61850 ANSI
ROV2PTOV 59N
OEXPVPH 24
VDCPTOV 60
LOVPTUV 27

Frequency protection

SAPTUF 81
SAPTOF 81
SAPFRC 81

Multipurpose protection

CVGAPC

General calculation

SMAIHPAC
1) 67 requires voltage
2) 67N requires voltage
14
Function description
Two step residual overvoltage
protection
Overexcitation protection
Voltage differential protection
Loss of voltage check
Underfrequency protection
Overfrequency protection
Rate-of-change frequency
protection
General current and voltage
protection
Multipurpose filter
Transformer
RET670
0-3 1-D01 1B
1-D01
0-2 1-D03
0-2 2 2
1 1 1
0-6 6-E01 6-E01
0-6 6-E01 6-E01
0-6 6-E01 6-E01
0-9 6-F02
0-6
1MRK 504 141-BEN C
1B 1B 1B 2-D02
1-D01 1-D02 1-D02
1-D03 2-D04 2-D04
2 2 2
1 1 1
6-E01 6-E01 6-E01
6-E01 6-E01 6-E01
6-E01 6-E01 6-E01
6-F02 6-F02 6-F02
2
1
ABB