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  1. Mohi.deen

    300 Kva UPS having noise in transformers

    The Noise is exactly from Transformer (in-build) of the UPS
  2. Mohi.deen

    300 Kva UPS having noise in transformers

    Dear Engineers Hope you all doing well I have question regards 300KVA UPS 300KVA ups have problem with Transformer raises the noise when I’m increasing the DC battery voltage via Debug test mode? We just replaced the DC capacitors and all other modules working in good condition. What I...

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