The special structure of a new three-phase pipe-type tap changer is introduced. The weaknesses in the structure of drum-type tap changer are given.
介绍了新型三相管型开关的特殊结构，指出了鼓型开关结构中的不足之处。
The structure and principle of energy storage mechanism in V type on-load tap-changer are analyzed. The torque change rule is presented. It is applied in online monitoring of tap-changer.
分析了V型有载分接开关储能机构的结构及原理，揭示了其扭矩变化规律，并将其应用到分接开关的在线监测中。
The arrangement off-load method of fix contact in pipe-type tap-changer is introduced. The optimum design of pipe-type off-load tap-changer of transformer is presented.
介绍了变压器用管形无励磁分接开关定触头的排列方式及管形开关的优化设计。
The arrangement off-load method of fix contact in pipe-type tap-changer is introduced. The optimum design of pipe-type off-load tap-changer of transformer is presented.
介绍了变压器用管形无励磁分接开关定触头的排列方式及管形开关的优化设计。
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