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Well, no such jerky rotation in any mode with Toshiba VFD.
I guess it's not normal that spindle body (lying on a table) is twitching when accelerating from rest? I don't remember that with my previous Huangyang either.
I should probably watch the VFD output with my O-scope...
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Hi Corwin, Bob Wilson, RayG and others,
has anyone finally successfully repaired a Huanyang VFD?
I'm still interested to find out all I can about these drives, mainly for future reference.
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Hi Joe I was going to try it, but the cost of the components put me off and the supplier sent me a new one under warranty anyway. I do still have all the parts though, so it may change at some time in the future.
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hI bob ..youre vfd is 4kw output if I understnd well.
please tell me the type of igbt you have
thankyou
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That was 6 years ago. I'd guess that the IGBTs are in the bin by now.