通用變頻器在不間斷電源中的應用

摘要：本文說明了普通UPS用于交流電動機負載時可能出現的問題，提出用通用變頻器和蓄電池組及充電設備組成新型工業特種電源-可變頻交流不間斷電源的可能性。闡述了這種電源的工作原理和系統組成以及設計選型和計算方法，介紹了該電源在實際生產中的部分應用實例。 敘詞：變頻器 可變頻不間斷電源 應用 Abstract：This papert accounts for the possible problems of ordinary UPS used in motor load,and provide a possibility of variable frequency AC uninterrupted power supply-a new type of industrial special power supply,which is made from the standard vvvf converter,battery group and charger,it explains the operation principle and systenm constitution of power supply and selecting of models and calculating method,also presents for some application examples used in actual production. Keyword：VVVF converter variable frequency uninterrupted power supply application