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SS_4改进型电力机车变流装置由主电路整流及相控调压半控桥、改善功率因数的晶闸管无接点开关和供牵引电动机励磁的单相半控整流桥三部分组成。装置的设计消化吸收了进口8K型电力机车主整流器的一些先进技术,总结了以往国产电力机车整流装置的成功经验,其技术性能和制造工艺都有很大的提高。
SS_4 improved electric locomotive converter device consists of the main circuit rectifier and phase-controlled voltage regulator half-control bridge to improve the power factor of the thyristor contactless switch and for the traction motor excitation single-phase half-controlled rectifier bridge composed of three parts. The design, digestion and absorption of some advanced technologies of the imported 8K electric locomotive main rectifier make the design experience summarize the successful experience of the rectifier of domestic electric locomotives in the past, and the technical performance and manufacturing process have been greatly improved.