不间断电源UPS(交流).pdf

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1、第章UPS电源..................................................................................................................................2第一节UPS的分类.............................................................................................................

2、.....21.按电路主结构分类........................................................................................................................22、按后备时间分类..............................................................................................................

3、...............33、按输入/输出方式分类....................................................................................................................34、按输出波形分类......................................................................................................

4、.......................45、按输出容量分类.............................................................................................................................4第二节UPS的电路结构和工作原理.................................................................................

5、.........4一．主要组成部分...................................................................................................................4二．后备式UPS..................................................................................................................

6、...61.电路各环节的功能............................................................................................................................63.后备式正弦波输出UPS的主要特点...............................................................................................74.后

7、备式方波输出UPS的主要特点...................................................................................................8三．在线式UPS...................................................................................................................91．双变换在线式UPS.......

8、..................................................................................................................92.在线式正弦波输出UPS的特点.............................................................................