Power system frequency management challenges - a probabilistic approach to assessing wind farm potential for aiding system frequency stability

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

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Abstract

With the increasing wind penetration level in power systems, transmission system operators have become concerned about frequency stability. The inertia of variable speed wind turbines are decoupled by power electronic converters from the power network and therefore do not intrinsically contribute to power system inertia. Besides, as wind plant displace conventional generation and their inertia, substantial reduction in power system inertia may occur. Variable speed wind turbines can be controlled to provide synthetic inertial response but have no direct contributions to power system inertia levels. A probabilistic approach to assessing wind farm potential for aiding frequency stability in power systems is proposed, and the method will be applied to the GB power system. The impact of the aggregate inertial response on arresting frequency fall is examined assuming a sudden generation loss of 1800 MW in the GB power system. The results show that inertial response from wind can reduce the maximum rate of fall of frequency and the minimum system frequency following the event (frequency nadir).
Original languageEnglish
Title of host publication2nd IET Renewable Power Generation Conference
Place of PublicationStevenage, UK
Number of pages5
DOIs
Publication statusPublished - 2013
Event2nd IET Renewable Power Generation Conference, IET 2013 - Beijing, China
Duration: 9 Sep 201311 Sep 2013

Conference

Conference2nd IET Renewable Power Generation Conference, IET 2013
CountryChina
CityBeijing
Period9/09/1311/09/13

Keywords

  • frequency stability
  • power systems
  • synthetic inertia
  • wind farm
  • renewable energy
  • droop response

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