Available Functions; Main Protection Functions; Back-Up Protection Functions - ABB Relion 650 Series Applications Manual
Transformer protection
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Also See for Relion 650 Series:
- Technical manual (754 pages) ,
- Applications manual (382 pages) ,
- Commissioning manual (182 pages)
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Section 2
Application
2.2
Available functions
2.2.1
Main protection functions
IEC 61850/
ANSI
Function block
name
Differential protection
T2WPDIF
87T
T3WPDIF
87T
REFPDIF
87N
HZPDIF
87
2.2.2
Back-up protection functions
IEC 61850/
ANSI
Function block
name
Current protection
PHPIOC
50
OC4PTOC
51/67
EFPIOC
50N
EF4PTOC
51N/67
N
TRPTTR
49
CCRBRF
50BF
CCRPLD
52PD
GUPPDUP
37
GOPPDOP
32
DNSPTOC
46
Voltage protection
UV2PTUV
27
OV2PTOV
59
Table continues on next page
20
Function description
Transformer differential protection, two
winding
Transformer differential protection, three
winding
Restricted earth fault protection, low
impedance
1Ph High impedance differential protection
Function description
Instantaneous phase overcurrent protection
Four step directional phase overcurrent
protection
Instantaneous residual overcurrent
protection
Four step directional residual overcurrent
protection
Thermal overload protection, two time
constants
Breaker failure protection
Pole discordance protection
Directional underpower protection
Directional overpower protection
Negative sequence based overcurrent
function
Two step undervoltage protection
Two step overvoltage protection
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GUID-35C75FDE-9C6C-44CE-8BDB-6CCB9541EDFE v2.1.1
Transformer
1
1
2
2
2
2
GUID-47D5EAC9-5F4A-4A3D-B813-4E50A2BCCDC3 v2.1.1
Transformer
2
2
2
2
2
2
2
2
2
2
2
2
2
2
1
1
1
1
1
1
1
1
1
1
Transformer protection RET650
1MRK 504 124-UEN B
1
3
2
3
3
2
3
3
2
3
2
3
3
1
2
1
2
2
1
2
1
2
Application manual
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