Performance of Flywheel Energy Storage System for Fault Ride through Support of Grid Connected Vsc-Hvdc Based Offshore Wind Farms
CH. Aparna1, J.V. Pavan Chand Sr2

1CH.Aparna, PG Scholar, EEE, Lakireddy Bali Reddy College of Engineering,
2Mr. J.V. Pavan Chand, Sr. Asst .Professor, EEE, Lakireddy Bali Reddy College of Engineering,
Manuscript received on September 17, 2020. | Revised Manuscript received on September 24, 2020. | Manuscript published on October 10, 2020. | PP: 189-192 | Volume-9 Issue-12, October 2020 | Retrieval Number: 100.1/ijitee.L79651091220 | DOI: 10.35940/ijitee.L7965.1091220
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Abstract: For the sake of uninterrupted power supply to the loads we are using renewable energy sources. Among them wind energy and the solar energy is the most familiar renewable energy sources we are using now-a-days. Voltage source converter based high voltage DC transmission is considered as future of offshore power transmission. This paper proposes the high voltage DC power transmission system and maintains system balance during each faults. This results in the voltage and current losses on the switching devices. This strategy implements the flywheel energy storage system based on a squirrel cage induction machine connected in parallel to the grid side converter. It is connected in shunt which present on the grid side circuit of VSC-HVDC based squirrel cage induction motor. Due to this the FESS stores the trapped energy in the DC link during AC side faults for long transmission system using a voltage source converter. When there is insufficient of fault meet the grid at load demand. The series of simulation results we carried out the main part of the FESS system under fault conditions achieved using the software Matlab Simulink. This project possesses the dynamic performance during ‘steady state’ during normal and fault operating conditions. 
Keywords: Fault Ride through Energy Storage System, HVDC, IFOC, Offshore Wind Energy.
Scope of the Article: RF Energy Harvesting