Title :
Microprocessor controlled voltage stabilizer
Author :
Lashine, A.E. ; El Din, A. S Zein
Author_Institution :
Menoufia Univ., Egypt
Abstract :
Voltage stabilizers are nowadays one of the most important requirements for all equipment. This paper deals with alternative control techniques for load voltage stabilization. The technique of “shorting-coil” switched by an IGBT in a coupled circuit is used. A microprocessor is used to control the switches to stabilize the load voltage against supply voltage and load current variation. Boosting or bucking effect is performed at low distortion. The controlled stabilizer can reduce the supply voltage distortion and adjust the load voltage within very short time. Full theoretical analysis, simulation and experimental results are presented
Keywords :
bipolar transistor switches; insulated gate bipolar transistors; microcomputer applications; power bipolar transistors; power semiconductor switches; power system harmonics; switching circuits; voltage control; voltage regulators; IGBT switching; boosting effect; bucking effect; coupled circuit; load current variation; load voltage stabilization; microprocessor control; shorting-coil method; supply voltage variation; voltage distortion; voltage stabilizer; Boosting; Cables; Coils; Coupling circuits; Fluctuations; Microprocessors; Power semiconductor devices; Power supplies; Switches; Voltage control;
Conference_Titel :
Industrial Electronics, 1995. ISIE '95., Proceedings of the IEEE International Symposium on
Conference_Location :
Athens
Print_ISBN :
0-7803-7369-3
DOI :
10.1109/ISIE.1995.497298
