Omicron CT SB2 User Manual page 100

CT Analyzer User Manual
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.
Table 8-7: Parameters and settings for IEC 60044-6
Param. Description
Rct Specified secondary winding resistance.
Possible values: 0 to 3000 ohms or soft key ?
Default: ?
Kssc Rated symmetrical short-circuit current factor.
Possible values: 1 to 300 or soft keys ?
17.5, 20, 25, 30, 40 or 50.
Default: ?.
Tp Primary time constant.
Possible values: 0.000 to 5.000s or soft keys 20ms, 40ms, 60ms,
80ms, 100ms or 120ms.
T depends on K as follows:
p
K Dimensioning factor.
Possible values: 1 to 1572.
K depends on T
V-al Rated equivalent excitation limiting secondary voltage.
Possible values: 0 to 9999V or soft key ?
Default: ?.
I-al Accuracy limiting secondary excitation current.
Possible values: 0.03mA to 30000mA or soft key ?
Default: ?.
Ktd Rated transient dimensioning factor.
Possible values: 1.0 to 2043 or soft key ?
Default: ?.
Ts Specified secondary time constant.
Possible values: 0.000 to 100.0s or soft key ?
Default: ?.
Duty Specified duty cycle.
Using the soft keys, two different energizing cycles can be selected:
C-O or C-O-C-O
Default: C-O.
98
1
K 1
------------ -
T =
p
as described above for T
p
1
.
, 3, 5, 7.5, 10, 12.5, 15,
–
ω
.
p
1
.
1
.
1
.
1
.
Available for
IEC 60044-6, class
TPS TPX TPY TPZ
x x x x
x x x x
x x x x
x
x
x
x x x
x x
x x
OMICRON