CT Analyzer User Manual
118 OMICRON
Test results displayed in the Excitation card for IEC 60044-6
Table 8-19: Test results for IEC 60044-6
Param. Description Results displayed for
IEC 60044-6, class
TPS TPX TPY TPZ
V-kn Knee point voltage according to standard. xxxx
I-kn Knee point current according to standard. xxxx
Ls Saturated inductance. xxxx
Lm Non-saturated inductance. xxxx
Ts Secondary time constant. xxxx
Kr Remanence factor. xxxx
Kssc Rated symmetrical short-circuit current factor at accuracy limit with
the selected load.
1
1. If CT Analyzer is not able to measure up to the actual value, the prefix ">" is displayed to indicate that the measurement value
is larger than the displayed value.
xxxx
Ktd Theoretical transient dimensioning factor. x x x
V-al Accuracy limiting voltage according to IEC 60044-6 for class TPS
(that point on the excitation graph where an increase of the e.m.f.
r.m.s. voltage (core flux) by 10% causes an increase of the peak
current by 100%).
x
I-al Accuracy limiting current according to IEC 60044-6 class TPS (at
V
al
).
x
E1 User-defined e.m.f. to verify the excitation current at this e.m.f. x
Ie1 Max. allowed excitation current at E
1
.
x
E-max Maximum e.m.f. voltage.
This parameter allows the determination of the working point on
the excitation curve that would be reached with the entered
settings.
xxx
^
ε
Peak instantaneous error at voltage E
max
.
xx
^
εac
Peak instantaneous alternating current component error according
to the standard.
x
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