Function description
Transformer
back-up
protection
(A10)
Voltage
control
(A25)
Single
breaker, 2
winding
(A30)
Multi
breaker, 2
winding
(B30)
Single
breaker, 3
winding
(A40)
Multi
breaker, 3
winding
(B40)
ANSI
Basic
Option
(Qty/
option
design)
Basic
Option
(Qty/
option
design)
Basic
Option
(Qty/
option
design)
Basic
Option
(Qty/
option
design)
Basic
Option
(Qty/
option
design)
Basic
Option
(Qty/
option
design)
67N
Sensitive directional
residual overcurrent and
power protection
(SDEPSDE)
1
-
-
1/C16
-
1/C16
-
1/C16
-
1/C16
-
1/C16
49
Thermal overload
protection, two time
constants (LPPTTR)
1
-
-
-
1
1/C05
1
1/C05
2
1/C05
2
1/C05
50B
F
Breaker failure protection
(CCRBRF)
3
-
-
-
2
-
4
-
3
-
6
-
52P
D
Pole-discordance
protection (CCRPLD)
-
-
-
-
1
-
2
-
1
-
2
-
37
Directional underpower
protection (GUPPDUP)
-
-
-
-
-
1/C17
-
1/C17
-
1/C17
-
1/C17
32
Directional overcurrent
protection (GOPPDOP)
-
-
-
-
-
1/C17
-
1/C17
-
1/C17
-
1/C17
46
Broken conductor check
(BRCPTOC)
1
-
1
-
1
-
1
-
1
-
1
-
Voltage protection
27
Two step undervoltage
protection (UV2PTUV)
-
1/D01
-
2/D02
1
1/D01
1
1/D01
1
2/D02
1
2/D02
59
Two step overvoltage
protection (OV2PTOV)
-
1/D01
-
2/D02
1
1/D01
1
1/D01
1
2/D02
1
2/D02
59N
Two step residual
overvoltage protection
(ROV2PTOV)
-
1/D01
-
2/D02
1
1/D01
1
1/D01
1
2/D02
1
2/D02
24
Overexcitation protection
(OEXPVPH)
-
-
-
-
-
1/D03
-
1/D03
-
2/D04
-
2/D04
60
Voltage differential
protection (VDCPTOV)
2
-
2
-
2
-
2
-
2
-
2
-
27
Loss of voltage check
(LOVPTUV)
1
-
1
-
1
-
1
-
1
-
1
-
Frequency protection
81
Underfrequency protection
(SAPTUF)
-
6/E01
-
-
-
6/E01
-
6/E01
-
6/E01
-
6/E01
81
Overfrequency protection
(SAPPTOF)
-
6/E01
-
-
-
6/E01
-
6/E01
-
6/E01
-
6/E01
81
Rate-of-change frequency
protection (SAPFRC)
-
6/E01
-
-
-
6/E01
-
6/E01
-
6/E01
-
6/E01
Multipurpose protection
General current and
voltage protection
(CVGAPC)
-
-
-
-
-
6/F02
-
6/F02
-
6/F02
-
6/F02
Secondary system supervision
Current circuit supervision
(CCSRDIF)
-
-
4
-
2
-
3
-
3
-
5
-
Fuse failure supervision
(SDDRFUF)
1
-
-
-
3
-
3
-
3
-
3
-
Control
25
Synchrocheck, energizing
check and synchronizing
(SESRSYN)
1
-
-
-
1
-
1
2/H01
1
3/H02
1
4/H03
Transformer protection RET670
1MRK 504 091-BEN B
Pre-configured
Product version: 1.1
Issued: June 2010
10
ABB