Name
Unit
Range
Step
Default
Description
I02 CT
secondary A
0.001…10 0.00001 0.2
The rated secondary current of the current transformer.
I02
Polarity
-
0: -
1: Invert
-
0: -
The selection of the sensitive residual measurement channel's (I02)
polarity (direction). The default setting is for the positive current to flow
from connector 9 to connector 10.
CT
scaling
factor P/S
-
-
-
-
A relay feedback value; the calculated scaling factor that is the ratio
between the primary current and the secondary current.
Measurements
The following measurements are available in the measured current channels.
Table. 5.2.1 - 12. Per-unit phase current measurements.
Name
Unit
Range
Step
Description
Phase current
ILx
("Pha.curr.ILx")
× In
0.000…1250.000 0.001 The RMS current measurement (in p.u.) from each of the phase current
channels.
Phase current
ILx TRMS
("Pha.curr.ILx
TRMS")
× In
0.000…1250.000 0.001 The TRMS current (inc. harmonics up to 31
st
) measurement (in p.u.)
from each of the phase current channels.
Peak-to-peak
current ILx
("P-P curr.ILx")
× In
0.000…500.000
0.001 The peak-to-peak current measurement (in p.u.) from each of the phase
current channels.
Table. 5.2.1 - 13. Primary phase current measurements.
Name
Unit
Range
Step
Description
Primary phase
current ILx
("Pri.Pha.curr.ILx")
A
0.000…1000000.000 0.001 The primary RMS current measurement from each of the phase
current channels.
Primary phase
current ILx TRMS
("Pha.curr.ILx
TRMS Pri")
A
0.000…1000000.000 0.001 The primary TRMS current (inc. harmonics up to 31
st
)
measurement from each of the phase current channels.
Table. 5.2.1 - 14. Secondary phase current measurements.
Name
Unit
Range
Step
Description
Secondary phase
current ILx
"Sec.Pha.curr.ILx")
A
0.000…300.000 0.001 The primary RMS current measurement from each of the phase
current channels.
Secondary phase
current ILx TRMS
("Pha.curr.ILx TRMS
Sec")
A
0.000…300.000 0.001 The primary TRMS current (inc. harmonics up to 31
st
)
measurement from each of the phase current channels.
Table. 5.2.1 - 15. Phase current angle measurements.
Name
Unit
Range
Step
Description
Phase angle ILx
("Pha.angle
ILx")
deg
0.000…360.000 0.001 The phase angle measurement from each of the three phase current
inputs.
Genera
Generattor Commander
or Commander
Instruction manual
Version: 2.07
28
© Arcteq Relays Ltd
IM00001
Summary of Contents for Generator Commander
Page 1: ...Generator Commander Instruction manual...
Page 2: ......
