Novel MPPT Control in Permanent Magnet Synchronous Generator System for Battery Energy Storage

Abstract:

This paper presents a novel sensorless maximum power point tracking (MPPT) control strategy for capturing the maximum energy from the fluctuating wind speed that being used in the stand-alone small scale variable speed wind turbine generator system (VSWTGS). The generated electricity from the wind turbine systems is used to charge battery energy storage. The whole system including the wind turbine, permanent magnet synchronous generator (PMSG), power converter, filter and lead acid battery has been simulated in Matlab/SimPowerSystem simulation software. The MPPT controller is developed to function as a wind speed estimator to generate an appropriate duty cycle for controlling power MOSFET switch in of the boost converter in order to capture maximum power in variable wind speed. From the simulation results, the power converters and filters are showing good performance in charging the lead acid battery. Besides, the novel MPPT controller is capable of extracting the maximum power from the fluctuating wind speed and exhibits good performance in both steady state and transient condition.

• Periodical: Applied Mechanics and Materials (Volumes 110-116)
• Pages: 5179-5183
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.110-116.5179
• Online since: October 2011
• Authors: Tow Leong Tiang, Dahaman Ishak
• Keywords: Battery Storage, Boost Converter, Maximum Power Point Tracking (MPPT), Sensorless, Variable Speed Wind Turbine Generator System

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