Then the selections of phase number, winding connection, pole number and number of branches in parallel are optimized according to the SRM's symmetry and order of force wave.

接着从对称性、力波阶数等角度研究了SR 电机相数及绕组连接方式、极数、并联支路数的选择问题。

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The test results for a rewound prototype give evidence of the correctness of the connection and analysis method for variable-pole multi-speed winding set presented by this paper.

改绕后的样机测试结果表明，变极多速绕组连接方案和分析方法是正确的。

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The frequent damage of power transformer's low-voltage connection pole is studied in detail and a solution to improve its structure is proposed.

对电力配电变压器低压接线柱频繁烧损原因作了具体分析，由此提出了对低压接线柱结构进行改进的具体方案，设计出一种两段式新型导电杆。

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