This work presents a control of a micro grid at an isolated location fed from wind and solar based hybrid energy sources. The machine used for wind energy conversion is doubly fed induction generator DFIG and a battery bank is connected to a common DC bus of them. A solar photovoltaic PV array is used to convert solar power, which is evacuated at the common DC bus of DFIG using a DC DC boost converter in a cost effective way. The voltage and frequency are controlled through an indirect vector control of the line side converter, which is incorporated with drop characteristics. It alters the frequency set point based on the energy level of the battery, which slows down over charging or discharging of the battery. The system is also able to work when wind power source is unavailable. Both wind and solar energy blocks have maximum power point tracking MPPT in their control algorithm.
by Sheikh Shakir Zahoor | Baljit Kaur "Design and Control of Micro Grid Fed by Renewable Energy Generating Sources"
Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-5 | Issue-1 , December 2020,
URL: https://www.ijtsrd.com/papers/ijtsrd38240.pdf
ugcapprovedmanagementjournal, openaccessjournalofmanagement, paperpublicationinmanagement
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