Thread: HV PSU Question
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Old 15th Feb 2018, 1:57 am   #17
Skywave
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Join Date: Jun 2006
Location: Chard, South Somerset, UK.
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Arrow Re: HV PSU Question

Quote:
Originally Posted by johnyjf View Post
Didn't have time to place the AVO in series with the primary this time but my best guess on results to date is that I have a lamination problem rather than a winding one.
Lamination problem: I suspect that you're correct. But you said "didn't have time, etc." Presumably, that was because of the over-heating resistors on the secondary winding. However, what we (or certainly myself) would like to know is what is the primary current (at full input voltage to the primary) when there is no load on the secondary.

Sometimes, loose lams. can be fixed by adjusting the bolts that hold the xformer together and similar mechanical considerations. Perhaps some additional clamps? May be worth spending some time investigating that line before condemning that xfromer permanently.

Al.
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