1、注意振動盤電壓大小要求：

國家(jia)標準規定，并聯電(dian)(dian)容器工(gong)頻(pin)長時(shi)刻過電(dian)(dian)壓值zui多(duo)不超(chao)越1.1倍(bei)額定電(dian)(dian)壓。關于大中(zhong)型異(yi)步變頻(pin)振動盤考慮到(dao)確保(bao)必(bi)定的補(bu)償效果，而又會出(chu)現較高過電(dian)(dian)壓，這時(shi)可選用壓敏(min)器件限制過電(dian)(dian)壓。

2、注意振動盤維持電壓時(shi)刻要(yao)求：

關于需主動投切的變頻(pin)振(zhen)動盤，或(huo)可逆運轉的變頻(pin)振(zhen)動盤，從(cong)正轉狀態到反轉狀態的過渡時刻(ke)內，電(dian)(dian)(dian)容器(qi)的端(duan)電(dian)(dian)(dian)壓必須降到額定(ding)峰值(初始(shi)值)電(dian)(dian)(dian)壓的10%以下，不然由于自(zi)勵磁的添加，變頻(pin)振(zhen)動盤的端(duan)電(dian)(dian)(dian)壓將升高到不能(neng)允許的程度。當選用主動投切時，投、切時刻(ke)間隔的時限(xian)應(ying)大于或(huo)等于電(dian)(dian)(dian)容器(qi)放(fang)電(dian)(dian)(dian)時刻(ke)。

3、注意振(zhen)動盤避免發作自勵磁和諧(xie)振(zhen)：

為避免(mian)被(bei)補償(chang)變(bian)(bian)(bian)頻(pin)振動(dong)盤發作(zuo)(zuo)自勵(li)(li)磁的(de)情況發作(zuo)(zuo)，就(jiu)地補償(chang)的(de)電(dian)(dian)容(rong)器容(rong)量選用應(ying)盡量不過補。由于變(bian)(bian)(bian)頻(pin)振動(dong)盤堵截電(dian)(dian)源(yuan)后(hou)，其(qi)轉速(su)不能(neng)當即降為零，電(dian)(dian)容(rong)器對變(bian)(bian)(bian)頻(pin)振動(dong)盤繞組放(fang)電(dian)(dian)，使變(bian)(bian)(bian)頻(pin)電(dian)(dian)機得到勵(li)(li)磁，有可能(neng)造成短(duan)時(shi)過電(dian)(dian)壓(ya)。