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The anode power supply for the ECRH system on the J-TEXT tokamak

Plasma Science and Technology 2018年第1期20卷 120-126页

作者：夏冬辉崔芳泰刘昌海余振雄金易坤王之江 J-TEXT team State Key Laboratory of Advanced Electromagnetic Engineering and Technology School of Electrical and Electronic Engineering Huazhong University of Science and Technology Zibo Power Supply Company State Grid Shandong Electric Power Company

The electron cyclotron resonance heating （ECRH） system with a 60 GHz/200 kW/0.5 s gyrotron donated by the Culham Science Center is being developed on the J-TEXT tokamak for plasma heating, current drive and MHD studies. Simultaneously, an anode power supply （APS） has been rebuilt and tested for the output power control of the gyrotron, of which the input voltage is derived from an 80 kV negative cathode power supply. The control strategy by controlling the grid voltage of the tetrode TH5186 is applied to obtain an accurate anode climbing voltage, of which the output voltage can be obtained from 0-30 kV with respect to the cathode power supply. The characteristics of the APS, including control, protection, modulation, and output waveform, were tested with a 100 kV/60 A negative cathode power supply, a dummy load and the ECRH control system. results indicate that the APS can meet the requirements of the ECRH system on J-TEXT.

关键词： J-TEXT ECRH APS fiber isolation

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The anode power supply for electron cyclotron resonance heating system on J-TEXT

The anode power supply for electron cyclotron resonance heat...

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第十八届全国等离子体科学技术会议

作者： C.H.Liu D.H.Xia F.T.Cui Z.J.Wang State Key Laboratory of Advanced Electromagnetic Engineering and Technology Huazhong University of Science and Technology

The electron cyclotron resonance heating(ECRH) system with 60 GHz/200 k W/0.5 s gyrotron donated by Culham Science Center is being developed on J-TEXT tokamak for plasma heating,current drive and MHD ***,an anode power supply(APS) has been rebuild and tested for the output power control of the gyrotron,which the input voltage is derived from an80 k V negative cathode power *** control strategy by controlling the grid voltage of the tetrode TH5186 is applied to get accurate anode climbing voltage,which the output voltage can be obtained from 0 to 30 k V with respect to cathode power *** characteristic of the APS,including control,protection,modulation,output waveform,were tested with the 100 k V/60 A negative cathode power supply,the dummy load and the ECRH control *** results indicating that the APS can meet the requirements of the ECRH system on J-TEXT.

关键词： J-TEXT ECRH APS TH5186 tetrode fiber isolation

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