New control approach for blackstart capability of full converter wind turbines with direct voltage control

A. Korai, J. Denecke, J.L. Rueda Torres, E. Rakhshani

Research output: Chapter in Book/Conference proceedings/Edited volumeConference contributionScientificpeer-review

3 Citations (Scopus)

Abstract

This paper presents a new control approach for load pick and restoration of power systems by full converter based wind turbines. In such blackstart scenarios, batteries or other storage devices that can establish frequency or balance generation and consumption of power are not necessarily available. Therefore, a so-called grid forming control scheme is required. The control scheme used in this paper is based on direct voltage control. To balance the generation of power with the load demand, an intermediate circuit voltage control is used. Based on this concept, an alternative speed-power controller is designed to replace the MPPT based speed control in the process of blackstart and restoration. Furthermore, the definition of the frequency in an island grid is discussed. The overall control approach is presented and evaluated based on electromagnetic transient type simulations, involving islanding, load pick up, restoration, and resynchronization.

Original languageEnglish
Title of host publication2019 IEEE Milan PowerTech, PowerTech 2019
PublisherIEEE
Pages1-6
Number of pages6
ISBN (Electronic)978-1-5386-4722-6
ISBN (Print)978-1-5386-4723-3
DOIs
Publication statusPublished - 2019
Event2019 IEEE Milan PowerTech, PowerTech 2019 - Milan, Italy
Duration: 23 Jun 201927 Jun 2019

Publication series

Name2019 IEEE Milan PowerTech, PowerTech 2019

Conference

Conference2019 IEEE Milan PowerTech, PowerTech 2019
CountryItaly
CityMilan
Period23/06/1927/06/19

Keywords

  • Frequency control
  • Islanding
  • Power system restoration
  • Voltage control
  • Wind energy

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