Controlled Reactive Power in Wind Connected Grid With And Without STATCOM Using MATLAB/SIMULINK

M. PRATHIMA
ASST. PROF, SSIT, JNTUH , IN

A.NAGA JYOTHI
ASST. PROF, SSIT, JNTUH , IN

B. NEELAVENI
ASST. PROF, SSIT, JNTUH , IN

P.ASHWANTH KUMAR
ASST. PROF, SSIT, JNTUH , IN

G. ANUSHA
ASST. PROF, SSIT, JNTUH , IN

Keywords: Wind Farm, STATCOM, Reactive Power, Squirrel Cage Induction Generator, Active Power Filter Control, Synchronous Reference Frame, Sensitivity Method.Matlab/Simulink.

Abstract

Voltage Stability and reactive power balance could be a key challenge for the stable operation of grid connected wind farm through-out the faults and grid interruptions. When the wind farm is directly connected to grid, the voltage stability is that the main issue for squirrel cage induction generator (SCIG) because of intermittent nature of wind velocity. Voltage stability drawback is sorted out with the help of flexible AC transmission system (FACTS) devices like static synchronous compensator (STATCOM). A STATCOM is used to counter problems like ransient stability support in network including Squirrel Cage wind generator. The wind power system model is implemented using SIMULINK .The STATCOM results are better than static var compensator (SVC) for the stable operation of SCIG. STATCOM improves the stability problem and so help the wind generator system to remain in service throughout grid faults. In order to minimize the lagging nature some compensation techniques has to be implemented such as, Active Power Filter Control (APF), Synchronous Reference Frame and Sensitivity Method

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