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Author
Title Study on house-level microgrids and their power electronics
URL
Publication Date
Date Accessioned
Degree MSin Engineering
Discipline/Department Electrical and Computer Engineering
Degree Level masters
University/Publisher University of Texas – Austin
Abstract This thesis introduces the concept of microgrid, and analyzes the capability for Plug-in Electric Vehicles (PHEV) and photovoltaics (PV) to support a residential load during the time when the utility grid has a power outage. A microgrid system model is introduced and simulations have demonstrated the performance of this microgrid in a grid outage. The possible power electronics interfaces in this microgrid configuration is investigated and compared. Several power electronics converters are introduced and simulated to realize different forms of power conversion. The system model of a DC-DC buck converter is formed, and a possible frequency compensator has been designed and simulated for it. This thesis has introduced the feasibility of a house-level microgrid in its theoretical backup performances, hardware implementations and control.
Subjects/Keywords Microgrid; PHEV; V2H; Power electronics; Frequency compensator
Contributors Baldick, Ross (advisor); Santoso, Surya (committee member)
Language en
Country of Publication us
Record ID handle:2152/62911
Repository texas
Date Indexed 2020-10-15
Grantor The University of Texas at Austin
Issued Date 2017-05-08 00:00:00
Note [department] Electrical and Computer Engineering;

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…Chapter 5 Power Electronics Control in V2H System ...........................................45 5.1 Introduction .............................................................................................45 5.2 Introduction to Frequency…

…19 Figure 9. V2H backup duration throughout a year ................................................20 Figure 10. PV spillage in every simulation ............................................................21 Figure 11. Load and PV profile in this…

…backup event ............................................22 Figure 12. PHEV behavior in this backup event....................................................22 Figure 13. Simple representation of a typical V2H microgrid...............................25…

…equipment was discussed, since some loads were still supplied given the abnormal operation of gas engine. 1.4.2 Plug-In Vehicle to Home System Study The author of [7] has modeled a Vehicle-to-Home(V2H) system composed of a PHEV generator…

…ECR) from gasoline to electricity was measured for a Chevrolet Volt model. 4 This paper also introduced some key power electronics interfaces and control algorithms needed for a V2H system. In the off-grid mode backup duration simulations, the…

…control algorithm used was to allow battery State of Charge (SoC) drop to a lower bound (0%), then the generator charges it to an upper bound (100%) and repeat. However, a V2H system with PV would have PV spillage when the…

…restart PV operation and then power the load, which has the potential to indefinitely provide power. The backup duration can be further extended with better demand side response. Reference [33] has proposed an optimization model in a V2H

…microgrid from its concept to real hardware implementations. 8 Chapter 2 V2H System Distributed Generations 2.1 INTRODUCTION The Vehicle-to-home (V2H) system discussed in this thesis is composed of a PHEV, a PV panel and the residential load…

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