Application of SVM technique for BLDC motor drive

This paper describes an application of DSP for space vector modulation technique which in turn implemented to the three phase voltage source inverter. Use of this technique provides efficient use of the DC voltage fed to the inverteras compared to other techniques. The said system is designed and developed for brushless DC motor (BLDC). dsPIC 30F3011 is used to implement the control algorithm. The firing signals are generated using C code through MPLAB IDE software. Various practical results are recorded. Both the voltage and current waveforms are close to the sinusoidal waveform. Because of that the distortion in the current waveform is less and hence less current ripples are noted. Various simulations results are obtained by using MATLAB/Simulink. Experimental results are also presented.