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  • Users: SparkRay
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  1. SparkRay

    Grounding Issue in an SDS

    Hello, I am installing a small (60A) sub panel in our work shop. The plant is powered by an ungrounded Delta system. The 480VAC feeds a set of transformers and steps down to 240 3 phase. This feeds a bus that distributes to various things. I want to add a small 12 circuit panel of 208 VAC...
  2. SparkRay

    Inverter Problems - Confounded by reading compared to results

    Good morning to all! I really need some help. We have a blower run by a 15hp motor. It's a Baldor SuperE model. It's rated at 17.5A and 3400 rpm. Yesterday the inverter (TB Woods 4000 series WFCht) stopped working. This was after getting faults of a phase imbalance. (I was not there...

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