Section 2 Available Functions; Main Protection Functions; Back-Up Protection Functions - ABB REL650 series Technical Manual

1MRK 506 335-UUS A
Section 2
2.1
IEC 61850 or ANSI Function description
Function name
Impedance protection
ZQMPDIS 21
FDPSPDIS 21
FMPSPDIS 21
ZDARDIR 21
ZDNRDIR 21D
PPLPHIZ
ZMRPSB 68
ZCVPSOF
2.2
IEC 61850 or ANSI
Function name
Current protection
PHPIOC 50
SPTPIOC 50
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Technical manual
Available functions

Main protection functions

Five zone distance protection, quadrilateral and mho
characteristic
Phase selection with load enchroachment, quadrilateral
characteristic
Faulty phase identification with load enchroachment for mho
Additional distance protection directional function for earth
faults
Directional impedance quadrilateral and mho
Phase preference logic
Power swing detection
Automatic switch onto fault logic, voltage and current based

Back-up protection functions

Function description
Instantaneous phase overcurrent protection, 3–phase
output
Instantaneous phase overcurrent protection, phase
segregated output
Available functions
Line Distance
1 1 1
1 1 1
1 1 1
1 1 1
1 1 1
0–1 1 1
0–1 1 1
1 1 1
Line Distance
0–1 1
0–1 1
Section 2
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