HV pwr xfmr -- good idea?

[Brian Carling]

If it is such a disadvantage, WHY do they do it???

Are there other "shorting" methods like this?

Bry

On 21 Jan 98 at 19:05, Don wrote:


> 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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