1、注意五金塑料件振動盤電壓大小要求：

國家標準規定，并聯電(dian)(dian)容器工頻長時刻過(guo)(guo)電(dian)(dian)壓(ya)值(zhi)zui多不超(chao)越1.1倍額(e)定電(dian)(dian)壓(ya)。關于大中型異步變頻振(zhen)動盤考(kao)慮到確保必定的補償效(xiao)果，而又會出現(xian)較高過(guo)(guo)電(dian)(dian)壓(ya)，這時可選用(yong)壓(ya)敏器件限(xian)制過(guo)(guo)電(dian)(dian)壓(ya)。

2、注意振動盤維持電壓時刻(ke)要求：

關于需主動投(tou)(tou)切(qie)(qie)的變(bian)頻(pin)(pin)振(zhen)動盤(pan)(pan)，或可(ke)逆運轉(zhuan)的變(bian)頻(pin)(pin)振(zhen)動盤(pan)(pan)，從正轉(zhuan)狀態(tai)到(dao)反轉(zhuan)狀態(tai)的過渡時刻(ke)內，電(dian)(dian)容器(qi)的端(duan)電(dian)(dian)壓必須降到(dao)額(e)定峰值(初始(shi)值)電(dian)(dian)壓的10%以(yi)下(xia)，不(bu)然(ran)由于自勵磁的添加，變(bian)頻(pin)(pin)振(zhen)動盤(pan)(pan)的端(duan)電(dian)(dian)壓將(jiang)升高到(dao)不(bu)能允(yun)許(xu)的程度。當選用主動投(tou)(tou)切(qie)(qie)時，投(tou)(tou)、切(qie)(qie)時刻(ke)間隔的時限應大于或等于電(dian)(dian)容器(qi)放電(dian)(dian)時刻(ke)。

3、注意振動盤(pan)避(bi)免發(fa)作(zuo)自勵磁(ci)和諧振：

為(wei)(wei)避免被補償(chang)變(bian)頻振動盤(pan)發作自勵磁的情況發作，就地補償(chang)的電(dian)(dian)(dian)容器容量(liang)選用應盡量(liang)不(bu)過補。由(you)于變(bian)頻振動盤(pan)堵截(jie)電(dian)(dian)(dian)源后(hou)，其轉速不(bu)能(neng)當(dang)即降為(wei)(wei)零，電(dian)(dian)(dian)容器對變(bian)頻振動盤(pan)繞組放電(dian)(dian)(dian)，使變(bian)頻電(dian)(dian)(dian)機得到勵磁，有可(ke)能(neng)造成(cheng)短時過電(dian)(dian)(dian)壓(ya)。