Study on Passive Noise Suppressor for Flyback and Forward Power Converters
碩士 === 國立成功大學 === 電機工程學系碩博士班 === 96 === This thesis proposes a passive noise suppressor to suppress the noise produced by switched power supplies. The passive noise suppressor is composed of passive components. It consists of an induction winding, two resistors, three capacitors and a diode. In the...
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| Format: | Others |
| Language: | zh-TW |
| Published: |
2008
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| Online Access: | http://ndltd.ncl.edu.tw/handle/98856631084671793892 |
| Summary: | 碩士 === 國立成功大學 === 電機工程學系碩博士班 === 96 === This thesis proposes a passive noise suppressor to suppress the noise produced by switched power supplies. The passive noise suppressor is composed of passive components. It consists of an induction winding, two resistors, three capacitors and a diode. In the noise suppressor, induction winding has the same turns as the inherent transformer primary side. Adjusting the ideal parameter value of device can reduce common-mode noise current and differential-mode noise current efficiently. Moreover, this thesis makes relevant analysis for suppression noise in snubber circuits. The suppressor combine the snubber circuits can reduce EMI efficiently. By the measuring results and circuit simulation analysis to verify the propose for decreasing EMI effectively.
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