3IF613.9---3IF613.9
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由于瞬時電壓差在組間產(chǎn)生環(huán)流,因此在有環(huán)流運(yùn)行方式中,為了限制環(huán)流的大小,在組間加入了環(huán)流電抗器,這樣正、負(fù)組可以同時工作,負(fù)載電流自然轉(zhuǎn)換,使正、負(fù)組輸出電流平滑過渡。
:張亮(工程師) 專線:
24小時移動專線: 【】
有環(huán)流運(yùn)行方式的優(yōu)點(diǎn)是正、負(fù)組整流器可以自動切換,使交交變頻器的輸出電流連續(xù)、平滑、無死區(qū),系統(tǒng)動態(tài)性能高,穩(wěn)定性好。而其缺點(diǎn)是增加了環(huán)流電抗器和環(huán)流,使裝置的成本增加,損耗加大。
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