Availability Assessment Based Case-Sensitive Power System Restoration Strategy

Weijia Liu, Junpeng Zhan, C. Chung, Lei Sun

Research output: Contribution to journalArticlepeer-review

21 Scopus Citations

Abstract

Increasingly frequent severe weather events in recent years threaten the security of power systems and result in major power outages throughout the world. The development of reasonable power system restoration (PSR) solutions is therefore urgently needed to speed up the recovery of the power supply while at the same time steering clear of vulnerable and risky equipment. This paper aims to develop a case-sensitive PSR model for power transmission systems that can adjust restoration solutions according to the evaluated availability of outage equipment in specific blackout scenarios and weather conditions. A novel PSR model that integrates the startup of generating units, formulation of the restoration network, renewable energy sources, and availability assessment of devices is proposed. A reformulated model is also proposed to relieve the computational burden of complex PSR problems. The availability of outage equipment is comprehensively assessed based on historical operating records, fault diagnosis results, and weather conditions. The assessed availability results are sensitive to the characteristics of real blackout cases and will support system operators generate case-sensitive PSR solutions while mitigating the vulnerable equipment. The feasibility and effectiveness of the proposed PSR model and its reformulations are verified through case studies.

Original languageAmerican English
Article number8827652
Pages (from-to)1432-1445
Number of pages14
JournalIEEE Transactions on Power Systems
Volume35
Issue number2
DOIs
StatePublished - Mar 2020

Bibliographical note

Publisher Copyright:
© 1969-2012 IEEE.

NREL Publication Number

  • NREL/JA-5D00-77325

Keywords

  • availability assessment
  • Fault diagnosis
  • power system resilience
  • power system restoration

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