Performance Evaluation of Low/Zero Voltage Ride-Through Operations for Single-Stage Single-Phase Photovoltaic Inverters

Zhen Zhang, Yongheng Yang, Frede Blaabjerg, Ruiqing Ma

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

4 Citations (Scopus)

Abstract

With the fast development of distributed power generations, stability and security have attracted extensive attention in the recent years. As a representative of clean energies, Photovoltaic (PV) systems have been installed extensively worldwide. This drives grid-connected requirements to be continuously updated. In current active grid requirements/codes, PV systems should be more intelligent in the considerations of the grid stability, reliability and fault protection. In this paper, two control strategies (i.e., the single-phase PQ control and power phase-angle control) are evaluated for grid-connected single-stage single-phase PV systems in the case of Low/Zero Voltage Ride-Through (LVRT/ZVRT) operation. A comparative analysis of the two LVRT/ZVRT control methods for PV systems is presented. Simulation results are presented, which verifies that the LVRT/ZVRT methods can help the PV systems to temporarily ride-through the grid low-/zero-voltage faults. The power phase-angle control method has a better dynamic response.
Original languageEnglish
Title of host publicationProceedings of the 2017 IEEE 3rd International Future Energy Electronics Conference and ECCE Asia (IFEEC 2017 - ECCE Asia)
Number of pages6
PublisherIEEE Press
Publication dateJun 2017
Pages99-104
ISBN (Print)978-1-5090-5157-1
DOIs
Publication statusPublished - Jun 2017
Event2017 IEEE 3rd International Future Energy Electronics Conference and ECCE Asia (IFEEC 2017 - ECCE Asia) - Kaohsiung, Taiwan, Province of China
Duration: 3 Jun 20177 Jun 2017

Conference

Conference2017 IEEE 3rd International Future Energy Electronics Conference and ECCE Asia (IFEEC 2017 - ECCE Asia)
Country/TerritoryTaiwan, Province of China
CityKaohsiung
Period03/06/201707/06/2017

Keywords

  • Low-voltage ride-through (LVRT)
  • Zero-voltage ride-through (ZVRT)
  • PQ control
  • Power phase-angle control
  • Photovoltaic (PV)
  • Single-phase single-stage system

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