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介绍了KZ4A型交流传动客运电力机车主变流器的技术特点和主要参数,描述其电路原理、总体结构以及适用高寒低温环境的对策。主变流器型号为TEP28WG04,采用GTO水冷。2年多的各项试验和实际运用考核,证明主变流器的电气性能和可靠性均达到了设计任务书的要求。
The technical characteristics and main parameters of the main converter of KZ4A AC drive passenger electric locomotive are introduced. The circuit principle, overall structure and the countermeasures for the cold and cold environment are described. Main converter model TEP28WG04, using GTO water. More than two years of tests and practical application of tests to prove that the electrical performance of the main converter and reliability have reached the design requirements of the book.