Emulated Inertial Response from Wind Power: Ancillary Service Design and System Scheduling Considerations

DC FieldValueLanguage
dc.contributor.authorDaly, Pádraig
dc.contributor.authorRuttledge, Lisa
dc.contributor.authorPower, Michael
dc.contributor.authorFlynn, Damian
dc.date.accessioned2016-12-09T15:38:17Z
dc.date.available2016-12-09T15:38:17Z
dc.date.issued2016-08-26
dc.identifier.urihttp://hdl.handle.net/10197/8200
dc.description2016 CIGRE Session, Paris, France, 21-26 August 2016en
dc.description.abstractWorldwide, variable-speed wind turbine and solar photovoltaic generation are displacing conventional power plant in market schedules. Committing out-of-merit conventional units to redress system synchronous inertia or primary frequency response shortfalls incurs start-up and production costs, and may also engender additional greenhouse gas emissions and wind/solar curtailment. In order to ensure that future system frequency response requirements are met in a low carbon manner, new sources of frequency stability ancillary services will need to be incentivised or mandated via grid codes. Nonsynchronous devices (batteries, flywheels, variable-speed wind turbines), with appropriate control architectures, can provide a fast frequency response following a system disturbance, i.e. a temporary injection of active power, supplied faster than existing primary frequency response deployment times. Operational considerations relevant to transmission system operators when designing a fast frequency response ancillary service are presented, particularly if sourced from wind power emulated inertial response. It is shown that careful consideration regarding the design of fast frequency response characteristics is required in high wind power systems: the system frequency response behaviour may be degraded if a holistic approach to fast frequency response design is not taken. A method to characterise the system-wide (aggregate) emulated inertial response from wind power is presented, which can be integrated as a form of fast frequency response within unit commitment and economic dispatch. Endogenous incorporation in unit commitment and economic dispatch ensures that non-synchronous fast frequency response sources do not only supplement existing fossil fuel-based spinning reserve provision, but also reduce the need to commit synchronous generators for frequency control reasons. However, given the inherent energy recovery/payback experienced by variable-speed wind turbines providing emulated inertial response when operating below rated output, it is imperative to consider the impact of such negative power trajectories on system primary frequency response requirements.en
dc.description.sponsorshipIrish Research Councilen
dc.language.isoenen
dc.publisherCIGREen
dc.subjectEmulated inertial responseen
dc.subjectReserve allocationen
dc.subjectUnit commitmenten
dc.subjectWind power generationen
dc.titleEmulated Inertial Response from Wind Power: Ancillary Service Design and System Scheduling Considerationsen
dc.typeConference Publicationen
dc.internal.authorcontactotherdamian.flynn@ucd.ie
dc.internal.webversionshttp://www.cigre.org/Events/Session/Session-2016-
dc.statusNot peer revieweden
dc.neeo.contributorDaly|Pádraig|aut|-
dc.neeo.contributorRuttledge|Lisa|aut|-
dc.neeo.contributorPower|Michael|aut|-
dc.neeo.contributorFlynn|Damian|aut|-
dc.internal.rmsid633172140
dc.date.updated2016-09-30T09:02:36Z
item.grantfulltextopen-
item.fulltextWith Fulltext-
Appears in Collections:ERC Research Collection
Electrical and Electronic Engineering Research Collection
Energy Institute Research Collection
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