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零电流软开关DC/DC电压变换输入型辅助逆变器

Auxiliary Inverter with Zero-current Soft Switching DC/DC Converter Input
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摘要 提出了一种零电流软开关DC/DC电压变换输入型辅助逆变器方案,该辅助逆变器采用双段式变压器电路结构,前段为DC/DC开关电源电路,后段为三相逆变电路,系统采用零电流开关(ZCS)技术进行控制,实现了IGBT上电压和电流开关损耗最小化。试验结果验证了所提出的方案是可行的。 An auxiliary inverter with zero-current soft switching DC/DC converter input was proposed. Two-stage transformer circuit structure was adopted, the front part of which was DC/DC converter, and the rear part of which was three-phase inverter circuit. Zero-current switching(ZCS) technology was used for control, so that switching loss of voltage and current on IGBTs was minimized. The experimental results proved the validity of the design.
出处 《机车电传动》 北大核心 2014年第5期17-19,88,共4页 Electric Drive for Locomotives
关键词 软开关 DC/DC变换器 零电流 辅助逆变器 开关损耗 辅助供电 soft-switching DC/DC converters zero-current auxiliary inverter switching loss auxiliary power supply
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