Theoretical study of the electrical power behavior of a cesium thermionic converter for switching resistive and reactive loads

J. Perez, C. Estrada, Á. Jiménez, J. Cervantes
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引用次数: 1

Abstract

Pulsed ionized diodes have shown to be an attractive mode to develop thermionic converters (Rasor, 1972). Usually the investigations have been focused to work with additive gases and constant loads at steady state (Zherebtsov et al, 1984 and McVey, 1991). The experimental transient graphs reported suggest a dynamic behavior of the thermionic converter. Periods of the order of 300 /spl mu/s have been reported for the decay time of voltage and current, a condition that is similar to a capacitive discharge. A circuit model for a thermionic converter to define this condition is proposed. Using this model, an electrical analysis of the thermionic converter power with different switching loads is made. Both, resistive and reactive loads are connected. Special emphasis is dedicated to determine the resonance frequencies.
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用于切换电阻性和无功负载的铯热离子转换器的电功率特性的理论研究
脉冲电离二极管已被证明是发展热离子变换器的一种有吸引力的模式(Rasor, 1972)。通常,研究的重点是加性气体和稳定状态下的恒定载荷(Zherebtsov等人,1984年和McVey, 1991年)。实验瞬态图显示了热离子转换器的动态特性。据报道,电压和电流的衰减时间约为300 /spl mu/s,这种情况类似于电容放电。提出了一个热离子变换器的电路模型来定义这种情况。利用该模型,对不同开关负载下的热离子变换器功率进行了电学分析。电阻负载和无功负载都连接在一起。特别强调了谐振频率的确定。
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