Abstract
This paper presents a novel sensorless control system of switched reluctance generator (SRG) in order to reduce cost, simplify system structure and increase reliability. Considering nonlinear characteristics of SRG and robustness of sliding mode observer (SMO), sensorless control method of SRG based on SMO is proposed and analyzed. For wind energy conversion system (WECS), a voltage-source PWM inverter is used to make power output of SRG connect to the grid (or ac load). The SRG phase current was regulated by current chopping control method (CCC). An 18.5 kW three-phase 12/8 SRG experimental prototype was constructed and wind turbine mover was emulated using a DC motor drive. Test results using dual TMS320F2812 DSP as control core verified validity and feasibility of the proposed system.
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