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Analysis and Countermeasure of Inertial Burn Damage of Touch Head of DC Excitation Contactor of SS4 Type Locomotive
Author(s): 
Pages: 63
Year: Issue:  3
Journal: Electric Drive for Locomotives

Keyword:  接触器触头烧损原因分析改进SS4型电力机车;
Abstract: 在阐述触头烧损原理的基础上,通过分析不同用途接触器在控制电路上的差异,指出机车控制电路的同有设计缺陷是造成励磁接触器主触头惯性烧损的主要原因,进而提出了改进方案.
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