Title :
Fuzzy supervisory controller for improved voltage dynamics in power factor corrected converter
Author :
Kothari, Dwarka P. ; Singh, Bhim ; Pandey, Ashish
Author_Institution :
Centre for Energy Studies, Indian Inst. of Technol., New Delhi, India
Abstract :
This paper investigates the performance of a Fuzzy Supervisory Controller (FSC) in control of power converters. An FSC module is added to a conventional narrow bandwidth voltage regulator in a Power Factor Corrected (PFC) Voltage Source Converter (VSC) to improve DC bus voltage regulation. A PFC converter is selected for this work as its conventional design requires a narrow bandwidth DC bus voltage regulator to negate the effect of twice line frequency in the feedback path leading to slow voltage dynamics. This work demonstrates the efficacy of FSC in improving DC bus voltage regulation of the VSC with a conventional voltage regulator.
Keywords :
fuzzy control; power convertors; power factor correction; voltage control; 1 kW; 20 kHz; DC bus voltage regulation; fuzzy logic controllers; fuzzy supervisory controller; narrow bandwidth voltage regulator; power converter control; power factor corrected converter; twice line frequency effect negation; voltage dynamics; voltage source converter; Bandwidth; Converters; Feedback; Frequency conversion; Fuzzy control; Power capacitors; Power conversion; Reactive power; Regulators; Voltage control;
Conference_Titel :
Intelligent Control, 2002. Proceedings of the 2002 IEEE International Symposium on
Print_ISBN :
0-7803-7620-X
DOI :
10.1109/ISIC.2002.1157744
