CT Analyzer User Manual
136 OMICRON
Parameters assessed for IEEE C57.13
Table 8-34: Parameters assessed for IEEE C57.13
Parameter Description Parameter assessed for
IEEE C57.13 IEEE
C57.13.6
protection
CTs
meter.
CTs
0.3, 0.3S,
0.6, 1.2,
2.4, 4.8
high
accuracy
metering
CTs
0.15, 0.15S
0.15N
C T X K
1
1. Acc. to IEEE C57.13 (2008)
Class Accuracy class according to standard. x x x x x x
Δϕ Phase deviation. x x
RCF Ratio correction factor. x x
RE @ Isn Current ratio error at secondary current I
sn
.
xxxx
RE @
20 * Isn
Current ratio error at 20 times the secondary
current I
sn
.
xxxx
Vknee Knee point voltage. x
Vk / Ik User-defined measuring point. x x
Vk1 / Ik1 User-defined measuring point 1. x x
Rct Secondary winding resistance. x
Rprim Primary winding resistance x x x x x x
To Next Page
Loading...
