Omicron Lab CT Analyzer - Page 91

89
The CT Analyzer Test Cards
Specific parameters and settings displayed for IEC 60044-6
The following parameters are only displayed in the CT-Object card if the
standard IEC 60044-6 is selected.
Param. Description Available for
IEC 60044-6, class
TPS TPX TPY TPZ
Rct Specified secondary winding resistance.
Possible values: 0 to 3000 ohms or soft key ?
1
.
Default: ?
xxxx
Kssc Rated symmetrical short-circuit current factor.
Possible values: 1 to 300 or soft keys ?
1
, 3, 5, 7.5, 10,
12.5, 15, 17.5, 20, 25, 30, 40 or 50.
Default: ?.
xxxx
Tp Primary time constant.
Possible values: 0.000 to 5.000s or soft keys 20ms,
40ms, 60ms, 80ms, 100ms or 120ms.
T
p
depends on K as follows:
xxxx
K Dimensioning factor.
Possible values: 1 to 1572.
K depends on T
p
as described above for T
p
.
x
V-al Rated equivalent excitation limiting secondary voltage.
Possible values: 0 to 9999V or soft key ?
1
.
Default: ?.
x
I-al Accuracy limiting secondary excitation current.
Possible values: 0.03mA to 30A or soft key ?
1
.
Default: ?.
x
E1 User-defined e.m.f. to verify the excitation current at this
specific e.m.f.
Possible values: 0.1 to 20000V or soft key ?
2
.
x
Ie1 Maximum allowed excitation current at E
1
(user-defined
e.m.f.).
Possible values: 0.03mA to 30A or soft key ?
3
.
x
Ktd Rated transient dimensioning factor.
Possible values: 1.0 to 2043 or soft key ?
1
.
Default: ?.
xxx
T
p
K1–
ω
-------------=