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A Fully Digital Controller of High-Voltage Power Supply for ECRH System on HL-2A

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5 Author(s)
Lieying Yao ; Southwestern Inst. of Phys., Chengdu, China ; Yingqiao Wang ; Xiaohui Mao ; Yali Wang
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A high-voltage power supply with an output of 80 kV/200 A has been built with pulse step modulation (PSM) technology to energize the gyrotrons of the electron cyclotron resonance heating (ECRH) system on HL-2A Tokamak. To improve the performance of the control system of the PSM system, a fully digital controller based on digital signal processor and field-programmable gate arrays has been developed. This controller has many advantages and is successfully applied to the operation of the PSM system in ECRH experiment.

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Plasma Science, IEEE Transactions on  (Volume:40 ,  Issue: 3 )