InteliPro, SW version 1.4,
©
ComAp
–
April 2014
InteliPro 1.4 Comprehensive Guide - rev. 1
4-33
IGS> T Curve
Selection of which curve will be used for ANSI 51GS: ground surge overcurrent.
IDMT:
parametric curve, given by the IGS> T Del and IGS> T Lim parameters as described
in the chapter ground surge time-overcurrent protection.
Mod Inv:
moderately inverse curve according to ANSI standard
Very Inv:
very inverse curve according to ANSI standard
Ext Inv:
extremely inverse curve according to ANSI standard
IECInv:
moderately inverse curve according to IEC standard
IECVerInv:
very inverse curve according to IEC standard
IECExtInv:
extremely inverse curve according to ANSI standard
Default setting: IDMT
IGS Trp BO
[Trp 1 / Trp 2 / Trp 1+2 / None]
Selection of trip binary output for ground surge overcurrent protection.
Default setting: None
NVD
NVD>
[V]
Threshold for neutral voltage displacement evaluation.
Step:
1 V
Range:
0 - 150 V
0 = OFF, the ANSI 59N - neutral voltage displacement protection is disabled
Default setting: 33 V
NVD> Del [s]
Delay for neutral voltage displacement protection.
Step:
1 s
Range:
0 - 300 s
Default setting: 60 s
NVD>>
[V]
Step:
1 V
Range:
0
–
500 V
Default setting: 50 V
NVD>> Del [s]
Step:
1 s
Range:
0
–
300 s
Default setting: 1 s
Rst NVD
Threshold for NVD measurement hysteresis.
Options:
+/- 0%
+/- 4%
Default::
+/- 0%
NVD Trp BO
[Trp 1 / Trp 2 / Trp 1+2 / None]
Selection of trip binary output for neutral voltage displacement protection.
Default setting: None
