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Swimming pool 3 phase motor trips occasionally on earth leakage RCD

CliveS
We have a new 4 kW 3 phase pump motor at the local pool which has a new variable speed drive unit attached and occasionally it trips out on the RCD which I assume is 30mAmp .  The connections are star inside the motor but not earthed which should have stopped it tripping.

We are not sure what to do, we could run the motor flat out and delta connect the windings possibly or some suggest disconnecting the RCD as the circuit is completely separate from normal wiring.  Would this option contravene any of our regs?
Parents
  • 0
    Clive, you said at the beginning that the motor has the VSD attached. If it is only IE2, you will be obliged to use the VSD. I think that you need to "upgrade" the RCD.
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  • 0
    Clive, you said at the beginning that the motor has the VSD attached. If it is only IE2, you will be obliged to use the VSD. I think that you need to "upgrade" the RCD.
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