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Signal
Description
Time base
I01FFT
The magnitudes (RMS) of residual I0
1
current components:
- Fundamental
- 2
nd
harmonic
- 3
rd
harmonic
- 4
th
harmonic
- 5
th
harmonic
- 6
th
harmonic
- 7
th
harmonic
- 9
th
harmonic
- 11
th
harmonic
- 13
th
harmonic
- 15
th
harmonic
- 17
th
harmonic
- 19
th
harmonic.
5 ms
I02FFT
The magnitudes (RMS) of residual I0
2
current components:
- Fundamental
- 2
nd
harmonic
- 3
rd
harmonic
- 4
th
harmonic
- 5
th
harmonic
- 6
th
harmonic
- 7
th
harmonic
- 9
th
harmonic
- 11
th
harmonic
- 13
th
harmonic
- 15
th
harmonic
- 17
th
harmonic
- 19
th
harmonic.
5 ms
The selection of the used AI channel, the monitored harmonic, and the monitoring type (per unit or
percentage of fundamental frequency) are made with setting parameters. In all possible input channel
variations the pre-fault condition is presented with a 20 ms averaged history value from -20 ms
from START or TRIP event.
General settings
The function can be set to monitor the ratio between the measured harmonic and either the measured
fundamental component or the per unit value of the harmonic current. The user must select the correct
measurement input.
A
AQ
Q-C213
-C213
Instruction manual
Version: 2.04
125