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#10
October 30th 08, 12:57 AM
posted to rec.radio.amateur.homebrew
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I built a 7.5VAC 21Amp transformer now it has lots of buzz
Yep, It's all about core saturation. A large utility transformer can be saturated by just a few amperes of DC. Which is one reason improvements in load current THD are important. Zero sequence currents and all that jazz. ken scharf wrote in : ken scharf wrote: For transformers that carry ONLY dc (power, filament) alternate each lamination so no two in a row go the same way. I meant for transformers that carry ONLY AC! oops! |
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