A Review on Topologies for Transformer-Less Grid-Connected PV Inverter

Basha, Shaik Gouse; Venkatesan, M.

doi:10.1007/978-981-15-5558-9_98

Cited by 2 publications

(1 citation statement)

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“…The power converter is controlled to generate a compensating voltage that is converted into a compensating current through the combinations of series-connected inductor and capacitor. The compensating current flows into the power feeder in order to suppress the harmonic currents generated by nonlinear loads [11]. The three-phase four-wire SAPF not only compensates the harmonics and reactive power for kinds of unbalanced nonlinear loads, but also suppresses the neutral current [12].…”

Section: Introductionmentioning

confidence: 99%

Development of Control Techniques Using Modified Fuzzy Based SAPF for Power Quality Enhancement

et al. 2021

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Low power distribution systems have severe power quality issues due to the non-linearity of several residential and industrial loads. The main power quality issue is the harmonics leading to the overheating of the transformers in the distribution systems. By employing passive filters, active filters, and custom power devices, the harmonics in the source current can be reduced. To overcome the drawbacks of conventional tuned filters and active power filters the modified shunt active power filter was introduced with the fuzzy logic controller. In this paper, an effective way of reducing the total harmonic distortion using three-phase three-wire shunt active filter is carried out and this has been investigated through three control methods namely synchronous reference frame theory, real and reactive power theory, and indirect reference current theory. The recognized control methods are implemented with the fuzzy controller to improve the performance of the induction motor drive. The hardware setup was implemented for the proposed fuzzy-based control technique to achieve better performance in terms of reduced total harmonic distortion and DC link voltage and improved speed performance of induction motor drive when compared to other control methods. Further power factor correction and better reactive power compensation are achieved by implementing hardware.

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Section: Introductionmentioning

confidence: 99%