InteliPro, SW version 1.4,
©
ComAp
–
April 2014
InteliPro 1.4 Comprehensive Guide - rev. 1
1-10
Complete measurement wiring scheme without voltage
transformers
MAINS
L
1
L
2
L
1
L
2
L
3
COM
L
3
NVD
1
NVD
2
N
CB
L
1
L
2
L
3
N
25
59N
51
50
59
27
50BF
78
81H
47
81L
81R
78PS
79
51N
50N
51GS
50GS
51V
32
QU
L
1
L
2
IN
46
67
OR
InteliPro unit
27, 59 Over/undervoltage
47 Voltage asymmetry
81H, 81L Over/underfrequency
50 Instantaneous overcurrent
51 Time overcurrent
46 Current asymmetry
50N, 51N Earth fault current
50GS, 51GS Ground surge current
32 Directional power
50BF Breaker failure protection
Dynamic grid support
QU protection
Phase sequence supervision
Auto fault reset
Maximum parallel time
Battery voltage protection
25 Sync-check
51V Time overcurrent with
voltage restraint
59N Neutral voltage displacement
67 Directional overcurrent
78 Vector shift
78PS Pole slip
79 AC-reclosing relay
81R Rate of change of frequency