Table 241. Current functions
Function
Function
identification
Ordering no
Position
Available
qty
Selected
qty
Notes and rules
Instantaneous phase overcurrent protection
PHPIOC
1MRK005910-AD
1
0-3
Directional phase overcurrent protection, four steps
OC4PTOC
1MRK005910-BD
2
0-3
Instantaneous residual overcurrent protection
EFPIOC
1MRK005910-DD
4
0-1
Directional residual overcurrent protection, four steps
EF4PTOC
1MRK005910-EG
5
0-3
Directional negative phase sequence overcurrent protection, four
steps
NS4PTOC
1MRK005910-FD
6
0-2
Sensitive directional residual overcurrent and power protection
SDEPSDE
1MRK005910-GA
7
0-1
Thermal overload protection, one time constant, Celsius
LCPTTR
1MRK005911-BA
8
0-2
Thermal overload protection, one time constant, Fahrenheit
LFPTTR
1MRK005911-AA
9
0-2
Breaker failure protection
CCRBRF
1MRK005910-LC
11
0-2
Stub protection
STBPTOC
1MRK005910-NF
13
0-2
Pole discordance protection
CCPDSC
1MRK005910-PA
14
0-2
Directional underpower protection
GUPPDUP
1MRK005910-RA
15
0-2
Directional overpower protection
GOPPDOP
1MRK005910-TA
16
0-2
Broken conductor check
BRCPTOC
1MRK005910-SA
17
1
Voltage restrained overcurrent protection
VRPVOC
1MRK005910-XC
21
0-3
Average power transient earth fault protection
APPTEF
1MRK006940-LA
24
0-1
Overcurrent protection with binary release
BRPTOC
1MRK005910-NG
25
0-3
Table 242. Voltage protection
Position
1
2
3
4
5
6
7
8
D
0
1
Table 243. Voltage functions
Function
Function
identification
Ordering no
Position
Available
qty
Selected
qty
Notes and rules
Two step undervoltage protection
UV2PTUV
1MRK005912-AA
1
0-2
Two step overvoltage protection
OV2PTOV
1MRK005912-BA
2
0-2
Residual overvoltage protection, two steps
ROV2PTOV
1MRK005912-CE
3
0-2
Overexcitation protection
OEXPVPH
1MRK005912-DA
4
0-1
Voltage differential protection
VDCPTOV
1MRK005912-EB
5
0-2
Loss of voltage check
LOVPTUV
1MRK005912-GA
7
1
Radial feeder protection
PAPGAPC
1MRK005912-HA
8
0-1
Table 244. Unbalance protection
Position
1
2
3
4
T
0
0
0
0
Table 245. Frequency protection
Position
1
2
3
4
E
00
Table 246. Frequency functions
Function
Function
identification
Ordering no
Position
Available
qty
Selected
qty
Notes and rules
Underfrequency protection
SAPTUF
1MRK005914-AC
1
00-10
Overfrequency protection
SAPTOF
1MRK005914-BB
2
0-6
Rate-of-change of frequency protection
SAPFRC
1MRK005914-CB
3
0-6
Table 247. Multipurpose protection
Position
1
F
Line differential protection RED670
1MRK 505 379-BEN R
Version 2.2
Hitachi Energy
171
© 2017 - 2022 Hitachi Energy. All rights reserved
Содержание Relion 670 Series
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