A Nine-Level Inverter for Single Phase PV Applications

T. Sreekanth, Abhijit Kshirsagar, Sanchit Mishra, Ned Mohan

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Multi Level Inverters (MLI) are commonly used in high voltage and high power applications due to their lower filtering requirements, smaller dv/dt transitions and better EMI/EMC performance. This paper presents a Single Phase Nine Level Inverter (SPNLI) using a coupled inductor. The proposed converter has low switch count, fewer capacitors and better reliability. Detailed operation of the proposed SPNLI and its control in standalone operation are discussed. An active energy buffer is also added to SPNLI to supply double line frequency component thereby reducing DC bus capacitance requirement. MAT-LAB SIMULINK based simulation results are presented to validate the proposed topology.

Original languageEnglish (US)
Title of host publication2019 IEEE Energy Conversion Congress and Exposition, ECCE 2019
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages5894-5899
Number of pages6
ISBN (Electronic)9781728103952
DOIs
StatePublished - Sep 2019
Event11th Annual IEEE Energy Conversion Congress and Exposition, ECCE 2019 - Baltimore, United States
Duration: Sep 29 2019Oct 3 2019

Publication series

Name2019 IEEE Energy Conversion Congress and Exposition, ECCE 2019

Conference

Conference11th Annual IEEE Energy Conversion Congress and Exposition, ECCE 2019
Country/TerritoryUnited States
CityBaltimore
Period9/29/1910/3/19

Keywords

  • Coupled inductor
  • Inverter
  • Multi level
  • PV
  • Single phase

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