Section 2 Available functions
Note that not all functions included in the tables below have
commissioning information available.
2.1 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
1MRK 502 049-UEN A Section 2
Available functions
13
Commissioning manual