按變換的環(huán)節(jié)分類：
（1）交-直-交變頻器，則是先把工頻交流通過整流器變成直流，然后再把直流變換成電壓可調(diào)的交流，又稱間接式變頻器，是目前廣泛應(yīng)用的通用型變頻器。
（2）可分為交-交變頻器，即將工頻交流直接變換成電壓可調(diào)的交流，又稱直接式變頻器
按直流電源性質(zhì)分類：
（1）電壓型變頻器
電壓型變頻器特點(diǎn)是中間直流環(huán)節(jié)的儲(chǔ)能元件采用大電容，負(fù)載的無功功率將由它來緩沖，直流電壓比較平穩(wěn)，直流電源內(nèi)阻較小，相當(dāng)于電壓源，故稱電壓型變頻器，常選用于負(fù)載電壓變化較大的。
（2）電流型變頻器
電流型變頻器特點(diǎn)是中間直流環(huán)節(jié)采用大電感作為儲(chǔ)能環(huán)節(jié)，緩沖無功功率，即扼制電流的變化，使電壓接近正弦波，由于該直流內(nèi)阻較大，故稱電流源型變頻器（電流型）。電流型變頻器的特點(diǎn)（優(yōu)點(diǎn)）是能扼制負(fù)載電流而急劇的變化。常選用于負(fù)載電流變化較大的。
【公 司】： 福建鴻飛達(dá)自動(dòng)化科技有限公司福建省福州市高新區(qū)新保路正榮財(cái)富中心SOHO B幢8樓
產(chǎn)品價(jià)格以電話或者QQ詢價(jià)為準(zhǔn)，發(fā)布價(jià)格不做參考，圖片也一樣
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