Circutor computer SMART III-Fast Series Manual do Utilizador descarregar pdf (Página 20)

3�5�7�- Leakage current connection, IΔ

Tomeasuretheleakagecurrent,anearthleakagetransformermustbeused,suchasWGS�

Theleakagecurrenttransformermustbeconnectedsuchastomeasurethecurrentofthe

capacitorbank�Thiswilldetectanyleakageinthecapacitorsofthecapacitorbank�

LOAD

CAPACITORS

I∆

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.

DonotoperatetheleakagecurrenttransformerwiththeComputer SMART III

FASTpoweredon�

Computer SMART III FAST

Instruction Manual

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Circutor computer SMART III-Fast Series Manual do Utilizador Página 20