Dept. of Electr. Eng., National Taiwan Univ.Ho, Wen-JungWen-JungHoLio, Jan-BinJan-BinLioFeng, Wu-ShiungWu-ShiungFeng2007-04-192018-07-062007-04-192018-07-061997-05http://ntur.lib.ntu.edu.tw//handle/246246/200704191001334application/pdf355677 bytesapplication/pdfen-USA line-interactive UPS structure with built-in vector-controlled charger and PFCjournal article10.1109/PEDS.1997.618680http://ntur.lib.ntu.edu.tw/bitstream/246246/200704191001334/1/00618680.pdf