Real time digital simulation of voltage source converter controller for HVDC application

M. Shafiul Alam, Md Juel Rana, M. A. Abido

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

2 Scopus citations

Abstract

Different contingencies in DC grid such as converter outages lead to a current imbalance and consequently give rise to DC link voltage variations. Due to voltage variations in DC link, in particular, DC link voltage exceeding link capacity may lead damage to the link. This paper proposes DC link voltage control technique in two-phase rotating co-ordinate system. The control system is based on a fast inner current control loop controlling the AC current and the outer control loop controlling the DC link voltage. Measured DC link voltage is compared with reference DC voltage and passed through proportional integral (PI) controller which gives reference direct axis current. Real time digital simulation has been performed to validate the proposed controller.

Original languageEnglish
Title of host publication2017 9th IEEE-GCC Conference and Exhibition, GCCCE 2017
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Print)9781538627563
DOIs
StatePublished - 27 Aug 2018

Publication series

Name2017 9th IEEE-GCC Conference and Exhibition, GCCCE 2017

Bibliographical note

Publisher Copyright:
© 2017 IEEE.

Keywords

  • DC link voltage
  • HVDC
  • Pulse with modulation
  • Real time digital simulator
  • Voltage source converter (VSC)

ASJC Scopus subject areas

  • Computer Networks and Communications
  • Signal Processing
  • Information Systems and Management
  • Media Technology
  • Instrumentation

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