Available Functions; Main Protection Functions; Back-Up Protection Functions - ABB Relion 650 Series Technical Manual

1MRK 506 326-UUS B
Section 2
2.1

Main protection functions

IEC 61850/ ANSI Function description
Function block
name
Impedance protection
ZQDPDIS 21
FDPSPDIS 21
ZMOPDIS 21
FMPSPDIS 21
ZDNRDIR 21
PPLPHIZ
ZMRPSB 68
ZCVPSOF
2.2

Back-up protection functions

IEC 61850/ ANSI
Function block
name
Current protection
PHPIOC 50
SPTPIOC 50
OC4PTOC 51/67
OC4SPTOC 51/67
EFPIOC 50N
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Line distance protection REL650
Technical manual

Available functions

Five zone distance protection, quadrilateral
characteristic
Phase selection with load enchroachment,
quadrilateral characteristic
Five zone distance protection, mho characteristic
Faulty phase identification with load enchroachment
for mho
Directional impedance quadrilateral and mho
Phase preference logic
Power swing detection
Automatic switch onto fault logic, voltage and
current based
Function description
Instantaneous phase overcurrent protection
Instantaneous phase overcurrent protection
Four step directional phase overcurrent
protection
Four step phase overcurrent protection
Instantaneous residual overcurrent protection
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GUID-47D5EAC9-5F4A-4A3D-B813-4E50A2BCCDC3 v2.1.1
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Section 2
Available functions
37