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電磁干擾

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電磁干擾(英文:Electromagnetic Interference,或 Electromagnetic Disturbance ,簡稱EMI)是指任何在傳導電磁場伴隨著電壓電流的作用而產生會降低某個裝置、設備或系統的性能,或可能對生物或物質產生不良影響之電磁現象。

或說電子設備都會產生傳導性電磁雜訊干擾,就像傳染病般地透過電源線傳導(一般稱作Power Line Noise)。

電磁干擾也是變頻器驅動系統的一個主要問題。在許多國家,尤其在歐洲,對任何系統可能散發的電磁干擾有嚴格的限制。

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電磁干擾
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