Predictive Power Control of Modular Multilevel Converter for Wind Energy Integration via HVDC

Yuanxiang Sun, Zhen Li, Zhenbin Zhang, Tomislav Dragicevic, Jose Rodriguez

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

Abstract

The modular multilevel converter-based highvoltage direct current (MMC-HVDC) transmission technology has become a promising solution for integrating offshore wind energy. In the MMC-HVDC wind energy integration system, the grid-side MMC (GSMMC) is in charge of transferring active and reactive power and guaranteeing power quality to fulfill grid codes. For the GSMMC with multiple nonlinear control objectives, model predictive control (MPC) is an effective control alternative. In order to avoid the inherent heavy computation, generally, three independent MPC controllers are designed to regulate the three-phase currents of the MMC, respectively. Therefore, the predictive power control cannot be realized in such three-phase independent control structure, resulting in the design of extra PI-based power controllers and poor power control performance. Aiming at these challenges, this paper proposes a direct model predictive power control (DMPPC) solution to simultaneously control power, circulating currents and capacitor voltages for the GSMMC, which is realized within a three-phase centralized MPC controller. Finally, a comparative study with the simulation results verify that the proposed DMPPC method shows better steady-state and dynamic performance than the PI-MPC.

Original languageEnglish
Title of host publication2020 IEEE 11th International Symposium on Power Electronics for Distributed Generation Systems, PEDG 2020
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages334-339
Number of pages6
ISBN (Electronic)9781728169903
DOIs
Publication statusPublished - 28 Sep 2020
Event11th IEEE International Symposium on Power Electronics for Distributed Generation Systems, PEDG 2020 - Dubrovnik, Croatia
Duration: 28 Sep 20201 Oct 2020

Publication series

Name2020 IEEE 11th International Symposium on Power Electronics for Distributed Generation Systems, PEDG 2020

Conference

Conference11th IEEE International Symposium on Power Electronics for Distributed Generation Systems, PEDG 2020
CountryCroatia
CityDubrovnik
Period28/09/201/10/20

Keywords

  • HVDC
  • modular multilevel converter
  • Predictive power control

ASJC Scopus subject areas

  • Energy Engineering and Power Technology
  • Renewable Energy, Sustainability and the Environment
  • Electrical and Electronic Engineering
  • Control and Optimization

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