Title :
Study and design of intelligent current-sharing controller in excitation power units
Author :
Jianxiao, Zou ; Hongbing, Xu ; Houjun, Wang
Author_Institution :
Univ. of Electron. Sci. & Technol. of China, Chengdu
Abstract :
Parallel power rectifier cabinets can increase the capacity of excitation system while may cause serious current unbalance problems among cabinets or thyristors. In this paper, the design of intelligent current-sharing controller (ICSC) based on infineon micro controller unit (MCU) XC164 and field programmable gate array (FPGA) is discussed in detail. The fuzzy self-adaptive PID control algorithm is adopted to slightly adjust the firing pulse for realizing current-sharing among parallel thyristors and thereby among parallel cabinets. The simulation results attest the validity of the design.
Keywords :
adaptive control; control system synthesis; field programmable gate arrays; fuzzy control; intelligent control; microcontrollers; rectifying circuits; self-adjusting systems; three-term control; FPGA; excitation power units; field programmable gate array; firing pulse; fuzzy self-adaptive PID control algorithm; infineon microcontroller unit; intelligent current-sharing controller; parallel power rectifier cabinets; thyristors; Automatic control; Control systems; Field programmable gate arrays; Fuzzy control; Open loop systems; Power system reliability; Pulse measurements; Rectifiers; Three-term control; Thyristors;
Conference_Titel :
Communications, Circuits and Systems, 2007. ICCCAS 2007. International Conference on
Conference_Location :
Kokura
Print_ISBN :
978-1-4244-1473-4
DOI :
10.1109/ICCCAS.2007.4348284
