Section 2 Available Functions; Main Protection Functions; Back-Up Protection Functions - ABB Relion 650 Series REB650 Technical Manual

1MRK 505 288-UEN A
Section 2
2.1
IEC 61850 or ANSI
Function name
Differential protection
HZPDIF 87
2.2
IEC 61850 or ANSI
Function name
Current protection
OC4PTOC 51/67
EF4PTOC 51N/67N
TRPTTR 49
CCRBRF 50BF
CCRPLD 52PD
DNSPTOC 46
Voltage protection
UV2PTUV 27
OV2PTOV 59
ROV2PTOV 59N
Technical manual
Available functions

Main protection functions

Function description
1Ph High impedance differential protection

Back-up protection functions

Function description
Four step phase overcurrent protection, 3-phase output
Four step residual overcurrent protection, zero/negative
sequence direction
Thermal overload protection, two time constants
Breaker failure protection, 3–phase activation and output
Pole discordance protection
Negative sequence based overcurrent function
Two step undervoltage protection
Two step overvoltage protection
Two step residual overvoltage protection
Section 2
Available functions
Busbar
1–9 9
Busbar
0–1 1
0–1 1
0–1 1
0–1 1
0–1 1
0–1 1
0–2 2
0–2 2
0–2 2
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