Omicron Lab CT Analyzer User Manual page 94

CT Analyzer User Manual
92
Specific parameters and settings displayed for IEC 61869-2
protection CTs
The following parameters are only displayed in the CT-Object card if the
standard IEC 61869-2 is selected with the type "Protection CT".
Param. Description
ALF Accuracy limiting factor acc. to IEC 61869-2.
Possible values: Integer value from 1 to 300
1
or soft keys ? , 5, 10, 15, 20 or 30.
Default: ?.
Rct Specified secondary winding resistance.
Possible values: 0 to 3000 ohms or soft key
1
? .
Default: ?
Ts Specified secondary time constant.
Possible values: 0.000 to 100.0s or soft key
1
? .
Default: 100s.
Kx Dimensioning factor acc. to IEC 61869-2.
Possible values: 1 to 300 or soft key ?
Default: ?.
Ek Rated knee point e.m.f.
Possible values: 0 to 20000 or soft key ?
Default: ?.
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 ?
Default: ?.
Ie Accuracy limiting current acc. to IEC 61869-2.
Possible values: 0.03mA to 30A or soft key
1
? .
Default: ?.
Ie1 Maximum allowed excitation current at E
Possible values: 0.03mA to 30000mA or soft
3
key ? .
Default: ?.
Available for IEC 61869-2
protection CTs, class
protection
xP xPR PX PXR TPX TPY TPZ
x x
x x x
x
1
x x
.
1
x x
.
x x
2
.
x x
.
1
x x
transient
protection
x x x
x x x