Control_Strategy_Used_in_DFIG_.pdf - International Journal...

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International Journal of Power Electronics and Drive System (IJPEDS) Vol. 8, No. 3, September 2017, pp. 1160~1167 ISSN: 2088-8694, DOI: 10.11591/ijpeds.v8i3.pp1160-1167 1160 Journal homepage : Control Strategy Used in DFIG and PMSG Based Wind Turbines an Overview V. Meenakshi 1 , S. Paramasivam 2 1 Deparment of Electrical and Electronics Engineering, Sathyabama University, Jeppiaar Nagar, India 2 Research and Head, ESAB Group, Sriperumpudur Taluk, Kanchipuram District, 602 105, India Article Info ABSTRACT Article history: Received Mar 27, 2017 Revised Aug 5, 2017 Accepted Aug 23, 2017 Nowadays, fossil combustibles are replaced by renewable energy sources. These renewable energies are nontoxic, dirt free, protected and reasonably cheap for the end-users. Renewable energy resources like bio-gas, geothermal, solar, tidal waves and wind have been found as the best alternative energy sources. Among these renewable energy sources, wind energy stands first and foremost for generating electricity.In order to have a constant utilization of wind energy maximum power from wind energy has to be extracted. In this paper, various control strategies prevalent to both the Doubly Fed Induction Generator (DFIG) and Permanent Magnet Synchronous Generator (PMSG) have been analyzed. In addition, control topologies applicable to power electronics converter/inverter used in wind electric generators are discussed. Keyword: DFIG DTC PMSG SPWM SVPWM Copyright © 2017 Institute of Advanced Engineering and Science. All rights reserved. Corresponding Author: V. Meenakshi, Deparment of Electrical and Electronics Engineering, Sathyabama University, Jeppiaar Nagar, Rajiv Gandhi Salai, Chennai- 600 119, India. Email:[email protected] 1. INTRODUCTION Wind energy exploited as a monetary type of renewable energy, is growing in recent years. With the rising of oil price, safety measures and green concerns, the total global energydemand is met by small portion of wind energy in 2020 [1]. Wind enery is an indirect energy from the sun. Hubert in 1971 told, A little quantity of the solar radiation received by the Earth is converted into kinetic energy. The main reason for resultant wind is the difference between the net incoming radiation at lower latitude and high latitudes outgoing radiation, temperature gradients, earth revolution, geographic features. The wind energy is generated by converting kinetic energy of moving air into useful energy. As a consequence, the economics of using wind for power supply are extremely responsive to local wind conditions and the wind turbine are used to extract maximum energy from typical wind speed [2]. Wind energy preserves an important contribution to electricity supply in the world. Onshore wind is already an established generation technology. Off-shore wind power generation is cumbersome for researchers in this field. The large and medium capacity find farm which is connected to transmission lines has so many tedious problems because of unpredictable nature of wind [3],[4]. Hence power output from wind generator can be controlled by controlling voltage, frequency,
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