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针对目前国内内燃机车空调尚无可靠的逆变电源现状，进行了内燃机车空调专用逆变电源的研制。叙述了主电路形式的选择和控制电路的设计以及为提高电源性能所采取的有效措施，目前该电源已在东风４ｃ型机车上运用。
In view of the fact that there is no reliable inverter power supply for domestic diesel locomotive air-conditioners at present, the research and development of special inverter power supply for air-condition locomotives is carried out. Describes the selection of the main circuit and control circuit design and to improve the performance of the power taken by the effective measures, the current power supply has been used in the Dongfeng 4c locomotive.