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Yeah, I once bought a cheap (in both senses of the word) isolation transformer. I think the brand was Triad. It runs so hot under no load that you can't touch it. I thought it had a shorted turn or something. I emailed the company, and one of their engineers replied that it was designed that way. It works OK, but I wish I had bought one with higher primary inductance. It would have probably cost more, because it would have required more copper, but I don't like having another hot thing on my bench.mvs sarma said:i feel that the no load primary current (secondary opencircuit)should be minimum. this is possible with best laminations. like CRGO
"Hew Hess of Hay" is a corruption of U. S. of A. (United States of America), and came from the Li'l Abner comic strip.mvs sarma said:Designer may say it was designed like that-- except in magnetic amplifier based servi regulators which i remember to have studied in 60s,(wherein there used to be a moved shorted winding inside a transformer like thing.) this device was used as voltage stablizer.
you have perfectey commented that one need not have a HOT thing on our tables ..
BTW where is your palce "Hew Hess of Hay"?
I think the Li'l Abner comic strip was a cultural thing, probably unique to the United States. The strip was retired by its creator, Al Capp, 30 years ago, so most people who remember it, and things like "Hew Hess of Hay", are Hew Hess of Hay residents 45 and older. I'm 66.mvs sarma said:Thanks to Ron (Roff)-- it is news -- for me.
a colloquial way of calling USA.
Possibly so, I've never heard of it - I understood what it meant, but presumed you had made it up?.Roff said:I think the Li'l Abner comic strip was a cultural thing, probably unique to the United States.
I think I've heard that before, it seems to be more rural areas like remote aparts of Norfolk.JimB said:There can also be a tendency amongst other groups (very rare) to put in a leading H where one should not be.
I think it depends on your definition of quality. Here are some things you may or may not need to consider:Fahime said:Hi,
I'm going to make a power supply adaptor. I have several transformers with the same charactristics. I want to choose the best quality one. How can I test them to find which one is the best-made?