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55KW电动机控制柜的故障隐患分析及处理图

Author(s)：
王维

Publication Title：

Wen Yuan (Middle School Edition) 2021 No.10

Affiliations：
营口技师学院

Abstract：
自耦变压器降压起动：将自耦变压器高压侧接电网，低压侧接电动机。起动时，利用自耦变压器分接头来降低电动机的电压，待转速升到一定值时，自耦变压器自动切除，电动机与电源相接，在全压下正常运行。这种起动方法，可选择自耦变压器的分接头位置来调节电动机的端电压，而起动转矩比星三角降压起动大。但自耦变压器投资大，且不允许频繁起动。它仅适用于星形或三角形连接的、容量较大的电动机。

Keywords：
减压启动器；减压起动；全压运行；故障隐患；故障排除

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[1] 王维.55KW电动机控制柜的故障隐患分析及处理图[J].Wen Yuan (Middle School Edition),2021(10),.

文渊(中学版)

Wen Yuan (Middle School Edition)

Language: 中文

CN：11-9275/G

ISSN：2096-627X

Publication Frequency: 月刊

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