Abstract
ABSTRACT Voltage source inverters are the most preferred in a variety of medium and high power applications. The control of inverter output voltage gives desirable outputs in drives and many applications. Pulse width modulation (PWM) techniques strongly influence the inverter output. Space vector pulse width modulation (SVPWM) technique is one among the prominent techniques used for inverter switching control. This paper is devoted to the review of variety of control strategies on SVPWM evolved over the past 20 years and its thrust on the output voltage of inverter and current with the description of the various sequences and its behaviour for both two-level and three-level inverter for an induction motor drive. The various PWM control strategies based on Space vector PWM are categorized as follows: Bus Clamping PWM, Advanced Bus Clamping PWM, and Hybrid PWM. The merits and demerits of each SVPWM techniques are presented by analysing the experimental results from the literature. SVPWM can also be achieved by triangular comparison approach other than space vector approach which is meritorious in some aspects like lower computation and memory requirements. This paper also deals with the review of space space vector PWM on triangular comparison approach which is termed as carrier-based SVPWM.
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