Effective Software Scheme of the Space Vector Modulation Using One-Chip Micro-Controller

An effective software scheme has been proposed for implementing the space vector modulation (SVM) of the three-phase split-output inverter (SOI). The conventional SVM algorithm needs complex computations, such as square root and arctangent. The SVM proposed in this paper, is further developed to decide directly the conduction times of power switches of three-phase SOI without requiring complex computations. One-chip micro-controller has been utilized for implementing the proposed algorithm. Experimental results have verified the effectiveness of the proposed approach by designing a 1.0 kW prototype inverter system.