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Current-fed, forward converter switching at zero current
Current-fed, forward converter switching at zero current
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机译:电流馈送正激转换器以零电流切换
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摘要
A single-ended, zero-current switching, forward converter circuit converts power from a current source to a voltage load in a succession of energy transfer cycles using a transformer constructed to have an effective leakage inductance Lle, a capacitor (C) in series with the primary winding of the transformer, a switching device also in series with the primary winding, a unidirectional conducting device connected in series with the secondary winding in an orientation to conduct when the switching device is conducting, and a controller that selectively closes and opens the switching device to transfer energy from the capacitor via the effective primary leakage inductance to the load during an energy transfer cycle having a characteristic time scale determined by Lle and C.
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机译:单端,零电流开关正激转换器电路,通过使用构造成具有有效漏感L le Sub>的变压器,在一系列能量传输周期中将功率从电流源转换为电压负载,与变压器的初级绕组串联的电容器(C),也与初级绕组串联的开关装置,与次级绕组串联连接的单向导电装置,该定向装置在开关装置导通时要导通,并且一个控制器,该控制器有选择地闭合和断开开关装置,以在具有由L le Sub>和C确定的特征时间标度的能量传递周期内,通过有效的初级漏感将能量从电容器传递到负载。
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