Application of Capacitor less D-STATCOM for Performance Enhancement of Wind Turbine Based Induction GeneratorJournal: International Journal for Modern Trends in Science and Technology (IJMTST) (Vol.6, No. 3)
Publication Date: 2020-04-30
Authors : P Devi Sravani Jayasur Reddy J Sai Kumar; K Narendra Babu;
Page : 178-183
Keywords : IJMTST;
Voltage stability is a key issue to achieve the uninterrupted operation of wind farms equipped with squirrel cage induction generators (SCIG) during grid faults. A capacitor less Static Synchronous Compensator (D-STATCOM) is applied to a power network which includes a SCIG driven by a wind turbine, for steady state voltage regulation and transient voltage stability support. The capacitor less D-STATCOM is controlled by using PQ controller technique with voltage regulation as basic scenario. The system is implemented using MATLAB/ SIMULINK. Results illustrate that the capacitor less D-STATCOM improves the transient voltage stability and therefore helps the wind turbine generator system to remain in service during grid faults. The time to reach steady state torque and speed without using vector control or direct torque control can also be achieved by using this capacitor less D-STATCOM control technique.
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