1、注意五金塑料件振動盤電壓大(da)小要求：

國家標準(zhun)規定(ding)，并聯電(dian)(dian)容(rong)器(qi)工頻長時刻過電(dian)(dian)壓(ya)(ya)值zui多不(bu)超越1.1倍額定(ding)電(dian)(dian)壓(ya)(ya)。關于大中型異步變(bian)頻振動盤考慮到確保必定(ding)的(de)補償效果，而(er)又會出現較高過電(dian)(dian)壓(ya)(ya)，這時可選用壓(ya)(ya)敏(min)器(qi)件(jian)限制過電(dian)(dian)壓(ya)(ya)。

2、注(zhu)意(yi)振動盤維持電(dian)壓(ya)時刻要求：

關于需主動(dong)(dong)投(tou)切的(de)(de)變頻振動(dong)(dong)盤，或可逆運轉的(de)(de)變頻振動(dong)(dong)盤，從正轉狀態(tai)到反轉狀態(tai)的(de)(de)過(guo)渡(du)時(shi)刻內(nei)，電(dian)容(rong)(rong)器的(de)(de)端(duan)(duan)電(dian)壓必須降(jiang)到額(e)定峰值(初始值)電(dian)壓的(de)(de)10%以下，不然(ran)由(you)于自勵磁的(de)(de)添(tian)加，變頻振動(dong)(dong)盤的(de)(de)端(duan)(duan)電(dian)壓將升高到不能(neng)允許的(de)(de)程度(du)。當(dang)選用主動(dong)(dong)投(tou)切時(shi)，投(tou)、切時(shi)刻間(jian)隔的(de)(de)時(shi)限(xian)應大(da)于或等于電(dian)容(rong)(rong)器放電(dian)時(shi)刻。

3、注意(yi)振動(dong)盤避免發作自勵磁和諧(xie)振：

為避免(mian)被補(bu)償變(bian)頻振動(dong)盤發(fa)作自勵磁(ci)的情況(kuang)發(fa)作，就地補(bu)償的電(dian)(dian)容(rong)(rong)器容(rong)(rong)量(liang)選用應盡量(liang)不過(guo)(guo)補(bu)。由于變(bian)頻振動(dong)盤堵截電(dian)(dian)源后，其轉速不能(neng)當即降為零，電(dian)(dian)容(rong)(rong)器對變(bian)頻振動(dong)盤繞組放電(dian)(dian)，使變(bian)頻電(dian)(dian)機得(de)到勵磁(ci)，有可能(neng)造成(cheng)短(duan)時過(guo)(guo)電(dian)(dian)壓。