Design of magnetically insulated transmission line oscillatorwith high efficiency operating at high input voltage
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摘要: 为追求更高的输出功率和效率，在理论分析的基础上，采用理论和PIC数值模拟相结合的方法设计了较高工作点电压（700 kV）的磁绝缘线振荡器模型，数值模拟结果表明：当输入电压为695 kV、输入功率为55.7 GW时，输出周期平均功率为11.2 GW，效率为20.1%；与以往低工作点的磁绝缘线振荡器相比, 效率较高，且和低工作点的器件只在最佳工作点处取得最大效率不同，本器件随着电压升高，效率进一步提高。Abstract: In order to get higher output power and higher efficiency, a new L band magnetically insulated transmission line oscillator(MILO) with a high operation voltage (700 kV) is designed based on the theoretical analysis and PIC simulation. From the simulation, an average output power of 11.2 GW with an efficiency 20.1% is got with an input power of 55.7 GW. The efficiency of the MILO is higher than that of traditional MILO with a lower operation voltage. Different from the lower operation voltage MILO, the new MILOs efficiency is not highest at its operation voltage but increases as the input voltage rises. This phenomenon is explained and it is concluded that with a proper design, high operation voltage MILOs would achieve higher efficiency and higher power along with increasing the voltage.
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