Answer / shailesh

yes it has zero frequency but by the different application
it willl be constent.

Answer / jkth

we can convert ac to dc using rectifire circuit....
which has a frequency.

I am an American living in Vietnam and I have recently gotten a refrigerator from Japan and it is rated for 100 vac, but the power here is 220 so I bought a voltage stabilizer it has a 1 kva output rating. Can you please tell me what the amperage is? I'm confused and without a working fridge.

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Whet is IGBT.How it teste

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