High Power Microwave Test System and Simulated Experiments for HT-7

【摘要】 <正> In lower hybrid current drive (LHCD) experiments in HT-7,LH wave coupled tothe plasma from 12 klystrons is launched by a phased multi-junction grill.High power microwavereflection or arc,which threatens the klystrons,the wave-guide ceramic windows and the vacuumof the tokamak,occur sometimes during the experiments.For the sake of safety,a high powermicrowave test system to perform simulations was developed.In the test experiments,the klystronand window can be well protected with an optimized microwave monitor and a PIN switch.Thelayout of the test system and the simulated experiments for HT-7 are described in this paper.更多还原

【Abstract】 In lower hybrid current drive (LHCD) experiments in HT-7,LH wave coupled to the plasma from 12 klystrons is launched by a phased multi-junction grill.High power microwave reflection or arc,which threatens the klystrons,the wave-guide ceramic windows and the vacuum of the tokamak,occur sometimes during the experiments.For the sake of safety,a high power microwave test system to perform simulations was developed.In the test experiments,the klystron and window can be well protected with an optimized microwave monitor and a PIN switch.The layout of the test system and the simulated experiments for HT-7 are described in this paper.更多还原