Novel Unified Control Strategies for Seamless Transfer of Operation of Three-Phase PV-Inverter from Grid-tied to Islanded Mode

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dc.contributor.affiliationIndian Institute of Technology - Madras
dc.contributor.affiliationHTW Berlin school of Applied sciences
dc.contributor.affiliationIndian Institute of Technology - Madras
dc.contributor.authorKannan, Shrinath
dc.contributor.authorGnanasekar, Rohit Kumar
dc.contributor.authorVasudevan, Krishna
dc.contributor.countryIndia
dc.contributor.countryGermany
dc.contributor.countryIndia
dc.contributor.detailedauthorKannan, Shrinath, Indian Institute of Technology - Madras, India
dc.contributor.detailedauthorGnanasekar, Rohit Kumar, HTW Berlin school of Applied sciences, Germany
dc.contributor.detailedauthorVasudevan, Krishna, Indian Institute of Technology - Madras, India
dc.date.accessioned2019-12-19T18:20:35Z
dc.date.available2019-12-19T18:20:35Z
dc.date.conferencedate7 - 8 June 2018
dc.date.issued2018-06-07
dc.description.abstractIn this paper, an adaptive unified control topology for seamless transfer of operation of a three-phase inverter in distributed generation systems from grid-tied to islanding mode of operation is proposed. The inverter is controlled in the synchronous reference frame and is connected to the Point of Common Coupling through an LCL filter. It is assumed that a signal indicating islanding is available. Continued operation in the island requires a method of maintaining the output voltage that avoids phase jumps and dramatic system transients. At the same time, power requirement for the load has to be met which may be varying with time. Two methods to achieve this operation are proposed which differ in the manner in which the angle of the voltage phasor generated by the inverter is arrived at. In one approach, the phase angle (𝜃) is self-determined, while in the other the phase angle transitions to an independent reference. In both approaches however, the system frequency is maintained constant at 50 Hz upon islanding. The performance of the proposed strategy in seamless transfer of operation and continuous operation of three-phase inverter in islanded mode supplying linear loads is validated through simulation and hardware.
dc.description.conferencelocationLjubljana, Slovenia
dc.description.conferencenameCIRED 2018 Ljubljana Workshop
dc.description.openaccessYes
dc.description.peerreviewedYes
dc.description.sessionNetwork integration, control concepts and operations
dc.description.sessionid3
dc.identifier.isbn978-2-9602415-1-8
dc.identifier.issn2032-9628
dc.identifier.urihttps://www.cired-repository.org/handle/20.500.12455/1199
dc.identifier.urihttp://dx.doi.org/10.34890/308
dc.language.isoen
dc.publisherAIM
dc.relation.ispartProc. of CIRED 2018 Ljubljana Workshop
dc.relation.ispartofseriesCIRED Workshop Proceedings
dc.titleNovel Unified Control Strategies for Seamless Transfer of Operation of Three-Phase PV-Inverter from Grid-tied to Islanded Mode
dc.title.number0113
dc.typeConference Proceedings
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