Title :
A Control System Based on PXI Technology for the ECRH Power Supply of J-TEXT
Author :
Shao Xiang Ma ; Ming Zhang ; De Hong Chen ; Ling Long Xia ; Zhen Zeng ; Xue Liang Zhang ; Chu Liang Wang ; Ke Xun Yu
Author_Institution :
State Key Lab. of Adv. Electromagn. Eng. & Technol., Huazhong Univ. of Sci. & Technol., Wuhan, China
Abstract :
A 100-kV/60-A high-voltage power supply (HVPS) is developed to supply the auxiliary heating system for a J-TEXT tokamak. This power supply is based on pulse step modulation (PSM) technology and consists of 144 switch modules. To fulfill the isolation, control, and protection requirements, a control system based on the PCI extensions for instrumentation is designed with the PSM technology for the HVPS. Experimental results show that the system has a good control performance and fast response. Thus, the proposed system meets the control requirement of the 100-kV/60-A HVPS.
Keywords :
Tokamak devices; plasma radiofrequency heating; plasma toroidal confinement; power supplies to apparatus; pulse modulation; ECRH power supply; HVPS; J-TEXT tokamak; PCI extensions; PSM; PXI technology; auxiliary heating system; control performance; control system; current 60 A; electron cyclotron resonance heating; fast response; high-voltage power supply; isolation requirements; protection requirements; pulse step modulation technology; switch modules; voltage 100 kV; Control systems; Educational institutions; Field programmable gate arrays; Power supplies; Pulse width modulation; Standards; Voltage control; Control; extensions for instrumentation (PXI); field programmable gate array (FPGA); high-voltage power supply (HVPS); pulse step modulation (PSM); pulse step modulation (PSM).;
Journal_Title :
Plasma Science, IEEE Transactions on
DOI :
10.1109/TPS.2014.2320288
