Back-Up Protection Functions - ABB REC650 Technical Manual

Relion 650 series bay control
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1MRK 511 287-UEN A
2.2
IEC 61850 or
ANSI
Function name
Current protection
PHPIOC
50
OC4PTOC
51/67
EFPIOC
50N
EF4PTOC
51N/67N
SDEPSDE
67N
LCPTTR
26
LFPTTR
26
CCRBRF
50BF
STBPTOC
50STB
CCRPLD
52PD
BRCPTOC
46
GUPPDUP
37
GOPPDOP
32
DNSPTOC
46
Voltage protection
UV2PTUV
27
OV2PTOV
59
ROV2PTOV
59N
LOVPTUV
27
Frequency protection
SAPTUF
81
SAPTOF
81
SAPFRC
81
Technical manual

Back-up protection functions

Function description
Instantaneous phase overcurrent protection, 3–
phase output
Four step phase overcurrent protection, 3-phase
output
Instantaneous residual overcurrent protection
Four step residual overcurrent protection, zero/
negative sequence direction
Sensitive directional residual overcurrent and
power protection
Thermal overload protection, one time constant,
Celsius
Thermal overload protection, one time constant,
Fahrenheit
Breaker failure protection, 3–phase activation and
output
Stub protection
Pole discordance protection
Broken conductor check
Directional underpower protection
Directional overpower protection
Negative sequence based overcurrent function
Two step undervoltage protection
Two step overvoltage protection
Two step residual overvoltage protection
Loss of voltage check
Underfrequency function
Overfrequency function
Rate-of-change frequency protection
Available functions
Bay
0–1
1
1
0–1
1
1
0–1
1
1
0–1
1
1
0–1
1
1
0–1
1
1
0–1
1
1
0–1
1
1
0–1
1
1
0–1
1
1
0–1
1
1
0–1
1
1
0–1
1
1
0–1
1
1
0–1
1
1
0–1
1
1
0–1
1
1
0–1
1
1
0–2
2
2
0–2
2
2
0–2
2
2
Section 2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
2
39

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