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Automatic Voltage Regulator
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<blockquote data-quote="croak" data-source="post: 26194" data-attributes="member: 361"><p>This would be different though. Not sure why the PS should make mechanical noise.</p><p>For those who do not know what a variac is, it is a variable transformer, to this they mount a stepper motor (an electric motor that can be moved in "steps" of its full revolution) to turn the variable transformer up or down depending on the incoming voltage.</p><p></p><p>I quite like the variable transformer idea, considering transformers are the most efficient machines made by man, as long as it is big enough.</p></blockquote><p></p>
[QUOTE="croak, post: 26194, member: 361"] This would be different though. Not sure why the PS should make mechanical noise. For those who do not know what a variac is, it is a variable transformer, to this they mount a stepper motor (an electric motor that can be moved in "steps" of its full revolution) to turn the variable transformer up or down depending on the incoming voltage. I quite like the variable transformer idea, considering transformers are the most efficient machines made by man, as long as it is big enough. [/QUOTE]
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Automatic Voltage Regulator
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