Hysteresis Voltage Control Technique in Dynamic Voltage Restorer for Power Quality Improvement

被引:0
|
作者
Patil, U. T. [1 ]
Thorat, A. R. [1 ]
机构
[1] Rajarambapu Inst Technol, Dept Elect Engn, Sakhrale, Maharashtra, India
关键词
Power Quality; Custom Power Devices; DVR; Control Strategies of DVR; Hysteresis Voltage Control;
D O I
暂无
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
Power quality is one of the major concerns in the present power system environment. The situations like-voltage dip/sag, swells, harmonic content etc and so on, and its major effect on greatly susceptible loads are well known. To tackle these situations, custom power apparatuses are utilized. Dynamic Voltage Restorer (DVR) is a modified power apparatus that is utilized to enhance voltage stability i.e. to minimize the power quality problems in electrical power system network. The important parts of the DVR comprise of voltage source inverter (VSI), booster transformers, filter and a dc energy source. The principle of the DVR is utilized to inject the voltage in series and in synchronism with the standard voltages with a goal to compensate voltage influences. There are various control techniques used for the operation of dynamic voltage restorer. This paper presents the hysteresis voltage control technique for generation of switching pulses for inverter of dynamic voltage restorer. The control technique based on voltage reference signals, and the proposed system is designed in MATLAB software, results shows that the how dynamic voltage restorer is useful for power quality improvement in distribution system.
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页数:5
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