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In this paper, the performance of the new three-dimensional space vector-based switching signal generation technique for a grid-connected four-leg voltage source inverter used as a shunt compensator is proposed. The shunt compensator can be used for reactive power compensation, harmonic elimination, load balancing, and neutral current elimination in a three-phase four-wire grid-connected system. It...
This paper presents a modified three dimensional space vector PWM method for two-phase four-leg voltage source inverter and its realization for asymmetrical two-phase induction motor. The two-phase orthogonal reference voltages are generated using the Volts/Hertz control technique in open loop and are realized using a four leg voltage source inverter. The two phase voltages are obtained by tapping...
In this paper the performance of three switching signal generation techniques for three phase four wire shunt active power filters are compared for balanced and unbalanced load conditions. The techniques which are considered for comparative study are (i) Traditional Hysteresis Current Control Method, (ii) Three Dimensional space vector modulation with null vector, (iii) Three dimensional space vector...
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