描述
接地是抑制噪聲和防止干擾的重要手段,良好的接地方式可在很大程度上抑制內部噪聲的耦合,防止外部干擾的侵入,提高系統(tǒng)的抗干擾能力。變頻器的接地方式有多點接地、一點接地及經(jīng)母線接地等幾種形式,要根據(jù)具體情況采用,注意不要因為接地不良而對設備產(chǎn)生干擾。
信號線承擔著檢測信號和控制信號的傳輸任務,毋庸質疑,信號傳輸?shù)馁|量直接影響到整個控制系統(tǒng)的準確性、穩(wěn)定性和可靠性,因此做好信號線的抗干擾是十分必要的。
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