Abstract
Many important parameters are effective on the output current of voltage source inverter (VSI) that among them load type, frequency, and load connection can be mentioned. In VSI, the current waveform is affected from mentioned parameters. Variation of these parameters can change the output current total harmonic distortion (THD). It is desired that the output current waveform to be close to sinusoidal. In this paper, by constructing a VSI, effect of load connection, frequency, and load type such as resistive, resistive-inductive, and inductive on VSI output current harmonics are investigated. For this purpose, different operational modes are defined for two structures of VSI, and effects of these parameters on output current are evaluated. Also, this voltage source inverter is simulated in PSpice that verify the experimental results.
Highlights
With advanced technology, make and structure of the investigated on inverter output quality
Welchko et al (2002) studied special loads for example reluctance or inductance motors which have been used in inverter output: but the load influences on inverter operation and the output current quality have not been investigated
By attention to (1) and (2), amplitude of harmonic components will be like expression (3): modulation method have been investigated on inverter output voltage and current and the impacts of
Summary
Make and structure of the investigated on inverter output quality. By attention to (1) and (2), amplitude of harmonic components will be like expression (3): modulation method have been investigated on inverter output voltage and current and the impacts of
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