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: ?
x
x
x
x
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: ?.
x
x
x
x
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:
x
x
x
x
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: ?.
x
x
x
T
p
K 1
–
ω
-------------
=
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