A Grid Connected Wind Energy System’s Power Quality Improvement By Using D-Statcom
Journal Title: International Journal of Science Engineering and Advance Technology - Year 2013, Vol 1, Issue 5
Abstract
Now a day’s one of the Main issue is Power Quality. The modern device performance is very sensitive with the power supply quality and makes it’s an important aspect. Power Quality problem occurs when the voltage, current and frequency become nonstandard and end use equipment gets damage. The harmonics, compensation of reactive power and power factor is a main problem dealt here. According to the guideline specified in International Electro-technical Commission standard, IEC-61400, by the measurements and norms specified can determine the performance there by power quality of a wind turbine. The active power, reactive power, voltage changes, flicker, harmonics, electrical behavior of switching operation are the concerning power quality measurements by the effect of the wind turbine in the grid system. These quantities are measured based on national/international guidelines. The power electronic switching devices such as Flexible AC Transmission System (FACTS) have been developed; introduction of customs power devices and the technology of emerging branch provide a modern control capability of power system. The paper study describes how the wind turbine installation creates power quality problem in grid system. In the proposed system in order to solve the power quality issues a battery energy storage system (BESS) connected by STATIC COMPENSATOR (STATCOM) at a common point coupling. The real power source under fluctuating wind power is sustained by the integrated battery energy storage. For the power quality improvement of a grid connected wind energy generation system a STATCOM control scheme is simulated using MATLAB /SIMULINK in power system block set. Finally the proposed scheme is applied to a balanced linear load, unbalanced liner load, balanced non linear load and unbalanced non linear load.
Authors and Affiliations
M. Somi Reddy| M.Tech Scholar, Aditya Engineering College, Surampalem, V. Srinivasa Rao| Associate Professor, EEE Aditya Engineering College, Surampalem
Keywords
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