Analysis of Multi-Drive System Performance Under Unbalanced Grid Using Different Grid Synchronization Solutions

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Abstract

This paper investigates performance of a selective harmonic elimination method utilizing pulse pattern modulation scheme in multi-drive configuration under different unbalance grid conditions, which include both the amplitude-unbalance and angle-unbalance in the three-phase grid voltage. In order to prevent from loss of synchronization during unbalanced events, a Phase Locked Loop (PLL) structure is proposed, and consequently the appropriate firing angle compensation can be applied based on the different PLLs including the Second Order Generalized Integrator (SOGI)-PLL and Dual SOGI (DSOGI)-PLL. The performance of the considered multi-drive system along with different PLL structures is evaluated through simulation and experimental measurements.
Original languageEnglish
Title of host publicationProceedings of 2018 20th European Conference on Power Electronics and Applications (EPE'18 ECCE Europe)
Number of pages9
PublisherIEEE
Publication date30 Oct 2018
Pages1-9
Article number8515421
ISBN (Print)978-1-5386-4145-3
ISBN (Electronic)978-9-0758-1528-3
Publication statusPublished - 30 Oct 2018
EventEPE'18, 20th European Conference on Power Electronics and Applications (EPE'18 ECCE Europe) - Riga, Latvia, Riga, Latvia
Duration: 17 Sep 201822 Sep 2018
Conference number: 20th
http://www.epe2018.com/

Conference

ConferenceEPE'18, 20th European Conference on Power Electronics and Applications (EPE'18 ECCE Europe)
Number20th
LocationRiga, Latvia
CountryLatvia
CityRiga
Period17/09/201822/09/2018
Internet address

Keywords

  • drive
  • parallel operation
  • harmonics
  • grid voltage unbalance

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