Abstract: In general, maintaining and the operation of sensitive loads is difficult but power electronics and advanced control systems made it possible for solving the power quality problems. The most severe power quality problems which affect the sensitive loads are sag, swells and harmonics. For the mitigation of these disturbances the best suitable method is Series compensation .Due to presence of non liner loads which causes harmonics in the network Series compensator not only mitigates sag but also harmonics in the system. The series compensator plays an important role which avoids the sag and reduces the harmonics. The main components of series compensator are Energy Storage System (ESS) ,Voltage Source Inverter (VSI),Injection Transformer .ESS act as energy system which injects voltage into system through injection transformer during sag which regulates voltage to appropriate level . By implanting this way, terminal voltage maintained at constant level and sensitive loads are protected. The series compensator is designed in MATLAB SIMULINK work space. The proposed series compensator results were shown thus improved the power quality of an isolated power system. This method gives the effective solution than conventional methods.
Keywords: Sensitive loads, Power quality, Harmonics, voltage Sag, ESS (Energy Storage System), VSI (Voltage Source Inverter), Injection Transformer.
Title: Modeling of Series Compensator for Enhancement of Power Quality in an Isolated Power System
Author: B.T. Ramakrishna Rao, P. Raghunath, S.Ravikishore, Y. Janardhana, G. Nagabhushanam
International Journal of Electrical and Electronics Research
ISSN 2348-6988 (online)
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