Responsive demand to mitigate slow recovery voltage sags

Rodrigo Garcia-Valle, Luiz Carlos Pereira da Silva, Zhao Xu, Jacob Østergaard

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

It is expected that in the future, customers will play a much more active role in modern power distribution systems. Instead of being passive agents, customers will be encouraged to participate in many other functions, such as frequency and voltage control, by providing a rapid, active, and reactive power reserve for peak load management through price responsive methods and also as energy providers through embedded generation technologies. This article introduces a new technology, called demand as voltagecontrolled reserve, which can help mitigation of momentary voltage sags. The technology can be provided by thermostatically controlled loads as well as other types of load. This technology has proven to be effective in distribution systems with a large composition of induction motors, when voltage sags present slow recovery characteristics because of the deceleration of the motors during faults. This article presents detailed models, discussion, and simulation tests to demonstrate the technical viability and effectiveness of the demand as voltage-controlled reserve technology for mitigating voltage sags.
Original languageEnglish
JournalEuropean Transactions on Electrical Power
Volume22
Issue number8
Pages (from-to)1112–1125
ISSN1430-144X
DOIs
Publication statusPublished - 2012

Keywords

  • Load modeling
  • Sensitive loads
  • Load management
  • Voltage sags
  • Demand as voltage controlled reserve
  • Induction motors

Cite this

Garcia-Valle, Rodrigo ; da Silva, Luiz Carlos Pereira ; Xu, Zhao ; Østergaard, Jacob. / Responsive demand to mitigate slow recovery voltage sags. In: European Transactions on Electrical Power. 2012 ; Vol. 22, No. 8. pp. 1112–1125.
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Responsive demand to mitigate slow recovery voltage sags. / Garcia-Valle, Rodrigo; da Silva, Luiz Carlos Pereira; Xu, Zhao; Østergaard, Jacob.

In: European Transactions on Electrical Power, Vol. 22, No. 8, 2012, p. 1112–1125.

Research output: Contribution to journalJournal articleResearchpeer-review

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AB - It is expected that in the future, customers will play a much more active role in modern power distribution systems. Instead of being passive agents, customers will be encouraged to participate in many other functions, such as frequency and voltage control, by providing a rapid, active, and reactive power reserve for peak load management through price responsive methods and also as energy providers through embedded generation technologies. This article introduces a new technology, called demand as voltagecontrolled reserve, which can help mitigation of momentary voltage sags. The technology can be provided by thermostatically controlled loads as well as other types of load. This technology has proven to be effective in distribution systems with a large composition of induction motors, when voltage sags present slow recovery characteristics because of the deceleration of the motors during faults. This article presents detailed models, discussion, and simulation tests to demonstrate the technical viability and effectiveness of the demand as voltage-controlled reserve technology for mitigating voltage sags.

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