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A transformer couples two or more AC signals through a magnetic field. Often used as galvanic isolation and to transform one AC voltage to another.

1 vote
4 answers
2k views

Why is my Transformer pulling so much current?

I have taken a microwave oven transformer and removed the 2nd winding which originally put out 2000 volts. … I am going to use this transformer to make a variable voltage power supply, but noticed that it gets pretty hot. …
ICEMAN's user avatar
  • 107
3 votes
1 answer
501 views

How should I drain a capacitor in a rectifier circuit?

Specifically what I have is a step down transformer from an old wall wart charger that I have modified. Orginally it stepped 120VAC down to about 11.5VAC. …
ICEMAN's user avatar
  • 107