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ZS for an motor run off an inverter

Hi guys. How can you test the zs of a motor run off an inverter drive?
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  • Again Mike, I would say that in such a case, the VSD is the end product, although if the VSD is permanently wired, and the socket-outlet rated 32 A or less, BS 7671 would expect that outlet to have an RCD ... which may not be compatible with the protective conductor currents seen with VSDs ...
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  • Again Mike, I would say that in such a case, the VSD is the end product, although if the VSD is permanently wired, and the socket-outlet rated 32 A or less, BS 7671 would expect that outlet to have an RCD ... which may not be compatible with the protective conductor currents seen with VSDs ...
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