DC microgrid dynamic performance assessment and enhancement based on virtual impedance method

Chen, Dong and Xu, Lie (2014) DC microgrid dynamic performance assessment and enhancement based on virtual impedance method. In: 40th Annual Conference of the IEEE Industrial Electronics Society (IECON'2014), 2014-10-29 - 2014-11-01.

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Abstract

A dynamic performance assessment method is proposed for DC microgrids. With the control scheme modeled as virtual impedance, an actively controlled slack converter terminal of a DC network can be modeled as a circuit branch in S-domain. Using Thevenin's equivalent, transfer functions of a DC microgrid are then deduced. A control scheme is proposed to enhance the dynamics of a DC system with multiple slack terminals. A case study of a multi-terminal DC microgrid is performed to analyze and enhance its dynamics. Time domain simulation and experiments are carried out to validate the proposed analytical and enhancement method.

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• Item metadata

  Item type:	Conference or Workshop Item(Paper)
  ID code:	50441
  Dates:	Date Event 31 October 2014 Published
  Notes:	(c) 2014 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other users, including reprinting/ republishing this material for advertising or promotional purposes, creating new collective works for resale or redistribution to servers or lists, or reuse of any copyrighted components of this work in other works.
  Subjects:	Technology > Electrical engineering. Electronics Nuclear engineering
  Department:	Faculty of Engineering > Electronic and Electrical Engineering
  Depositing user:	Pure Administrator
  Date deposited:	19 Nov 2014 14:11
  Last modified:	22 Apr 2024 01:05
  Related URLs:	Event
  URI:	https://strathprints.strath.ac.uk/id/eprint/50441