ABB REG650 - Available Functions

3. Available functions
Main protection functions
IEC 61850 or
Function name
ANSI Function description Generator
REG650
REG650 (B01)
Gen diff
REG650 (B05)
Gen+Trafo diff
Differential protection
T3WPDIF 87T Transformer differential protection, three winding 0–1 1
REFPDIF 87N Restricted earth fault protection, low impedance 0–1
HZPDIF 87 1Ph High impedance differential protection 0–1 1 1
GENPDIF 87G Generator differential protection 0–1 1
Impedance protection
ZMRPSB 68 Power swing detection 0–1
ZGCPDIS 21G Underimpedance protection for generators and transformers 0–1 1 1
LEXPDIS 40 Loss of excitation 0–1 1 1
OOSPPAM 78 Out-of-step protection 0–1 1 1
LEPDIS Load encroachment 0–1 1 1
Generator protection REG650
1MRK 502 050-BEN B
Product version: 1.3
6 ABB