介绍了管形开关的伞齿介轮机构的结构、原理和效果。
The structure, principle and effect of the umbrella gear of pipe-type tap-changers are introduced.
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.
凡带有载开关运输的，应将开关油室用 U 形管与本体连通。
If transported with on-load tap changer, the tap changer compartment shall be connected with main body by U-shaped tube.
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