Omicron CT SB2 User Manual

CT Analyzer User Manual
132 OMICRON
Kx Dimensioning factor (according to
IEC 60044-1 class PX).
x
Ie Accuracy limiting secondary excitation
current.
x
Ie1 Max. allowed secondary excitation current
at E
1
.
x
Rct Secondary winding resistance. x x x x
Rprim Primary winding resistance. x x x x x x x
Table 8-29: Parameters assessed for IEC 60044-1 metering CTs
Param. Description Parameter assessed
for IEC 60044-1
metering CTs
0.1, 0.2, 0.2s,
0.5, 0.5s, 1
3, 5
Class Accuracy class according to standard. x x
Δϕ Phase deviation. x
ε Current ratio error. x x
FSi Instrument security factor (indirect meas. method). x x
Rprim Primary winding resistance. x x
Table 8-28: Parameters assessed for IEC 60044-1 protection CTs (continued)
Param. Description Parameter assessed for IEC 60044-1
protection CTs
standard classes OMICRON
extension
5P 10P 5PR 10PR PX 2P, 3P,
4P, 6P
2PR, 3PR,
4PR, 6PR

Omicron CT SB2 Specifications

General

Brand	Omicron
Model	CT SB2
Category	Measuring Instruments
Language	English