
3�5�7�- Leakage current connection, IΔ
Tomeasuretheleakagecurrent,anearthleakagetransformermustbeused,suchasWGS�
Theleakagecurrenttransformermustbeconnectedsuchastomeasurethecurrentofthe
capacitorbank�Thiswilldetectanyleakageinthecapacitorsofthecapacitorbank�
~
TC
LOAD
CAPACITORS
S1
S2
P1
P2
I∆
S1
S1
S2
S2
IL1, IL2, IL3
Figure 9: Connection of the leakage current transformer (IΔ)�
NB: The earth leakage transformer must have a ratio of 500 turns. The maximum leakage cur-
rent that the unit can measure correctly is 1.5A AC, even though the maximum input is 5A AC
via the earth leakage transformer.
DonotoperatetheleakagecurrenttransformerwiththeComputer SMART III
FASTpoweredon�
20
Computer SMART III FAST
Instruction Manual
Kommentare zu diesen Handbüchern