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#1 |
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diyAudio Member
Join Date: Jun 2004
Location: Pittsburgh, crumbling wasteland
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Today I scrapped two power supplies from an old CNC machine. The transformer is a pretty decent size but it has an unusual feature. There appears to be a separate winding with nothing but a small oil capacitor connected across it. The power supply has a 5v output and split +/-12. Anyone know the reason for the cap?
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#2 |
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diyAudio Member
Join Date: Mar 2007
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It's probably a ferroresonant transformer.
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"Fully on MOSFET = closed switch, Fully off MOSFET = open switch, Half on MOSFET = poor imitation of Tiffany Yep." - also applies to IGBTs! |
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