V B Murali Krishna

Title : An experimental study on electric generators for small-scale renewable energy systems

Abstract:

This presentation deals with an experimental study on self-excited induction generator (SEIG) and permanent magnet synchronous generator (PMSG) comparison of renewable energy source driven small-scale off-grid systems. The considered two generators are very popular for generating applications due to their inherent advantages. In the off-grid system, the load ratings are restricted as per the generation rating and expected to be maintained a good voltage and frequency profiles at a lower cost. In this work, an experimental study is conducted to compare the performance of both the generators to identify the simple, viable, and economical operation for small/pico hydro source driven fixed isolated electric resistor and induction motor loads. In this study, the small/pico hydro energy is emulated in the laboratory by using a V/F ACC drive controlled induction motor to use as input to the generators.

Audience Take Away: 

• Operating principles of self-excited induction generator (SEIG) and permanent magnet
• synchronous generator (PMSG) for small-scale electric power generation.
• Demonstration of small/pico hydro emulated generating systems.
• Performance study on three-phase SEIG under different loading conditions and improve the
• voltage profile through reactive power compensation.
• Performance study on three-phase PMSG under different loading conditions and compare the various key aspects with the three-phase SEIG.

Biography:

V. B. Murali Krishna is received Ph. D degree in Electrical Engineering from Central University of Karnataka, India. He is a certified Chartered Engineer (India) from The Institution of Engineers (India). Currently he is associated with National Institute of Technology Andhra Pradesh, India as a teaching faculty, prior to that he worked as Assistant Professor at Central University of Karnataka. Besides, he worked as Electrical Engineer, Techno Consultant Engineer and Business Analyst for various startup companies in India. He is serving as reviewer for reputed journals and IEEE conferences. He is an author for more than 35 research articles. His research interests include, Renewable Energy Systems; Power Quality; Electric Vehicle Technologies; Adaptive Technologies, Internet of Things (IoT); Control, Optimization and Security of Systems; Electronic Devices; Data Analysis and Machine Learning.