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  1. Scrummer4

    What is causing my equipment to arc over ?

    I am trying to find the phenomena (plural) which are causing my equipment to arc over. We are talking about a 400 Vac, 12 pulse, 50 Hz rectifier. We had all 3 phases of the delta rectifier arc to the nearest earthed panel. The equipment has been in service for about a month, and is one of 4...

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