SEPIC-MISO Converter Based PV Water Pumping System- An Improved Performance Under Mismatching Conditions

Anuradha Tomar, Phuong H. Nguyen (Supervisor), Sukumar Mishra (Supervisor)

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

Abstract

In this paper, a single-ended primary inductor converter (SEPIC) based multi-input single-output (MISO) converter for photovoltaic (PV) based water pumping (PVWP) system is proposed. The aim of the proposed SEPIC based MISO converter is to maximize the extraction of available PV power and ensure maximum power point tracking even under the mismatching conditions i.e. effect of partial shading, clouding, dust, ageing or surround shading effect (SSE). The main contribution of this work includes enhanced PV energy extraction under mismatching conditions and thus resulting in overall improved performance of PVWP. Further, the proposed system has added advantages of adopting SEPIC topology for MISO converter such as pulsation-free output to the motor-pump system which improves the system life, reduced stress on circuit components, simple gate-circuit, and non-inverting output. In order to investigate the performance of the proposed system, the SEPIC-MISO converter based PVWP system is simulated in MATLAB environment under uniform and mismatched irradiation conditions. Simulation results verify that the application of SEPIC-MISO converter in the PV water pumping system increases the extraction of available PV as compared to conventional centralized converter based PV water pumping system.
Original languageEnglish
Title of host publication2020 IEEE 9th Power India International Conference (PIICON)
PublisherIEEE Press
Number of pages5
ISBN (Electronic)9781728166643
DOIs
Publication statusPublished - 2020
Event2020 IEEE 9th Power India International Conference (PIICON) - Sonepat, India
Duration: 28 Feb 20201 Mar 2020

Conference

Conference2020 IEEE 9th Power India International Conference (PIICON)
CountryIndia
CitySonepat
Period28/02/201/03/20

Keywords

  • BLDC motor
  • Maximum power point tracking (MPPT)
  • Mismatching
  • Multi-input single-output (MISO) converter
  • Partial shading
  • Photovoltaic (PV) irrigation
  • Single-ended primary inductor converter (SEPIC)
  • Solar photovoltaic (SPV) water pumping

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