HV pwr xfmr -- good idea?

[Don Stepka]

I was under the impression that microwave HV transformers use hysteresis
flux limiting to limit the power delivered to the klystron in case of
mismatched loads (an everyday occurrence in microwave ovens).  Those I have
seen apart have a weld bead across the laminations in one or more places,
which would seem to support this hypothesis.

Flux-limited transformers make very "soft" (poorly-regulated) power
supplies, and dissipate lots of power in the transformer (high no-load loss
that gets larger and larger as the load increases).

Don

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