The characters and reality of double parallel system UPS, external bypass design and operation, and the Suggestions about the ordinary maintenance are introduced also.
介绍了并联系统ups的特性及其实现,现场外接旁路的设计与具体操作,以及日常维护中的问题。
3
The bypass assembly consists of a meter registering either gallon or cubic measurements, a double check assembly and required test cocks.