通用变频器在不间断电源中的新应用

A New Application of Standard VVVF Converter in Uninterrupted Power Supply

本文说明了普通UPS用于交流电动机负载时可能出现的问题,提出用通用变频器和蓄电池组及充电设备组成新型工业特种电源——可变频交流不间断电源的可能性。阐述了这种电源的工作原理和系统组成以及设计选型和计算方法,介绍了该电源在实际生产中的部分应用实例。

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 pwoer supply,which is made from the standard VVVF converter,battery group and charger,it explains the operation principle and system constitution of power supply and selecting of models and calculating method, also presents for some application examples used in actual production.