![Sample our Engineering & Technology journals, sign in here to start your access, latest two full volumes FREE to you for 14 days]({"type":"image" , "src" : "/sda/5933/TOC-Subject-Sample-2021-Engineering-Tech.jpg"})
ABSTRACT
This paper presents dynamic modelling and control of real and reactive power in grid-connected variable speed wind energy conversion system using diode-clamped multilevel inverter (DCMLI). A modified five-level DCMLI is used for power control, which eliminates the requirement of transformer and improves the quality of controlled output voltage. It is shown that the system is dynamically stable and is able to control the real and reactive power independently, and provides harmonic compensation within standard limits. The voltage balancing across the capacitors of the five-level diode-clamped inverter is obtained using external balancing circuits. The performance of the proposed control method is tested under variable wind speed, sudden load changes, and under single-phase and three-phase faults. Simulation studies PSCAD/EMTDC verifies the proposed control method.
Additional information
Notes on contributors
Raju Kumar Swami
Raju Kumar Swami received the Bachelor of Engineering (Electrical) degree from College of Technology and Engineering, Udaipur, India, in 2008, and M.Tech. degree from Motilal Nehru National Institute of Technology, Allahabad, India, in 2011. He is currently working towards Ph.D. degree from Maharana Pratap University of Agriculture and Technology (MPUAT), Udaipur, India. He has four years’ experience of teaching at Techno India NJR Institute of Technology, Udaipur. His research interest includes power converters, multilevel inverters, and power electronics control of electric machines.
E-mail: [email protected]
Paulson Samuel
Paulson Samuel received the Bachelor of Engineering (Electrical) degree from the G.S. Institute of Technology and Science, Indore, India, in 1984, and the Master of Engineering in Computer Science and Engineering and Ph.D. degrees in Electrical Engineering from National Institute of Technology, Allahabad, India, in 1998 and 2013, respectively. From 1990 onwards, he has been a faculty member in the Department of Electrical Engineering, Motilal Nehru National Institute of Technology, where he is presently an associate professor. From 1984 to 1990, he was an engineer at the National Thermal Power Corporation, New Delhi, India. His research interests include power quality, distributed generation, automation, control of power converters, and multilevel inverters.
E-mail: [email protected]
Rajesh Gupta
Rajesh Gupta received the bachelor's degree from the Madan Mohan Malaviya Engineering College, Gorakhpur, India, in 1993, the master’s degree from the Birla Institute of Technology, Ranchi, India, in 1995, and the Ph.D. degree from the Indian Institute of Technology, Kanpur, India, in 2007; all in electrical engineering. From 1996 to 1999, he was a lecturer at the Govind Ballabh Pant Engineering College, Pauri Garhwal, India. He is currently an associate professor in the Department of Electrical Engineering, Motilal Nehru National Institute of Technology, Allahabad, India. His research interests include control theory, power quality, distributed generation, control of power electronics systems, multilevel converters and power conversion from renewable sources of energy.
E-mail: [email protected]