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Article: Non-Disruptive Load-Side Control for Frequency Regulation in Power Systems

TitleNon-Disruptive Load-Side Control for Frequency Regulation in Power Systems
Authors
Issue Date2016
Citation
IEEE Transactions on Smart Grid, 2016, v. 7, p. 2142-2153 How to Cite?
AbstractThis paper studies frequency regulation of power systems by using both automatic generation control (AGC) and load-side control. A switched distributed controller is designed for each load bus in a transmission network. The targets of the designed controller are twofold. First, it makes controllable loads work together with generators to restore the system frequency quickly after a real power mismatch occurs in the grid. Second, it restores controllable loads to their nominal working conditions. To achieve the first target, a consensus-based distributed load-side controller is designed. Peer-to-peer communication between loads is used to achieve an average consensus according to which controllable load reacts to the frequency deviation. To achieve the second target, the load-side controller shifts its duties to AGC slowly after the frequency goes back into an ideal region, and hence, controllable loads will restore to their nominal conditions gradually. A switching signal is designed to detect time instants when the load-side controller should work in the mode of frequency restoration or in the mode of load restoration.
Persistent Identifierhttp://hdl.handle.net/10722/229178

 

DC FieldValueLanguage
dc.contributor.authorLiu, T-
dc.contributor.authorHill, DJ-
dc.contributor.authorZHANG, C-
dc.date.accessioned2016-08-23T14:09:29Z-
dc.date.available2016-08-23T14:09:29Z-
dc.date.issued2016-
dc.identifier.citationIEEE Transactions on Smart Grid, 2016, v. 7, p. 2142-2153-
dc.identifier.urihttp://hdl.handle.net/10722/229178-
dc.description.abstractThis paper studies frequency regulation of power systems by using both automatic generation control (AGC) and load-side control. A switched distributed controller is designed for each load bus in a transmission network. The targets of the designed controller are twofold. First, it makes controllable loads work together with generators to restore the system frequency quickly after a real power mismatch occurs in the grid. Second, it restores controllable loads to their nominal working conditions. To achieve the first target, a consensus-based distributed load-side controller is designed. Peer-to-peer communication between loads is used to achieve an average consensus according to which controllable load reacts to the frequency deviation. To achieve the second target, the load-side controller shifts its duties to AGC slowly after the frequency goes back into an ideal region, and hence, controllable loads will restore to their nominal conditions gradually. A switching signal is designed to detect time instants when the load-side controller should work in the mode of frequency restoration or in the mode of load restoration.-
dc.languageeng-
dc.relation.ispartofIEEE Transactions on Smart Grid-
dc.titleNon-Disruptive Load-Side Control for Frequency Regulation in Power Systems-
dc.typeArticle-
dc.identifier.emailLiu, T: taoliu@hku.hk-
dc.identifier.emailHill, DJ: dhill@eee.hku.hk-
dc.identifier.authorityLiu, T=rp02045-
dc.identifier.authorityHill, DJ=rp01669-
dc.identifier.doi10.1109/TSG.2016.2538287-
dc.identifier.hkuros260039-
dc.identifier.volume7-
dc.identifier.spage2142-
dc.identifier.epage2153-

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