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Type: Posts; User: Rick Finsta

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  1. The buck/boost (versus autotransformer)...

    The buck/boost (versus autotransformer) configuration means that the transformer is only handling a fraction of the total current. So 1.5kVA is about right for a 10hp machine if you're just bucking...
  2. First thing I'd do is put on oscilloscope on the...

    First thing I'd do is put on oscilloscope on the three legs and record during spindle accel/decel to make sure I was seeing a spike. After confirmation, I'd try a three phase auto-transformer to try...
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