The WATSN series automatic transferring switch of power supply (ATS) and its structure features as well as main specifications were introduced, especially the operating principle of the controller.
系统地介绍了施耐德万高公司生产的WATSN系列自动转换开关（ATS）的结构及特点、性能指标及主要技术参数等，并着重阐述了其控制器的工作原理。
By using the fast switch, the power loss of the FCL in normal operation condition could be avoided, and by using the GTO, the rapid current-transferring could be realized with a smaller difficulty.
采用快速开关可显著减少故障电流限制器的运行损耗，采用GTO可降低电流转移的难度。
The operating principle, structure features and main specifications of SQ30Z series intelligent automatic transferring switch of power supply were introduced.
介绍了最新开发的SQ3 0 Z系列智能型自动转换开关的工作原理、结构、性能特点和主要技术参数。
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