1 AIT Asian Institute of Technology

Voltage drop reduction in electric power distribution system using distributed generation

AuthorHuynh Huy Giap
Call NumberAIT Thesis no.ET-06-13
Subject(s)Electric power distribution
Voltage regulators

NoteA thesis submitted in partial fulfillment of the requirements for the degree of Master of Engineering, School of Environment, Resources and Development
PublisherAsian Institute of Technology
AbstractVoltage improvement in distribution network becomes increasingly important with an increasing penetration of Distributed Generation (DG). As distribution networks are much more resistive than transmission networks, the conventional technique of reactive power compensation in order to improve the voltage can not be applied very well. For that reason other improvement techniques have to be applied. With the deregulation and environmental concern, DG will play an important role in electric distribution Systems because of many benefits they can bring to the System. However, if DG is not optimally installed then they may make the System worse. In this thesis, two methodologies are presented to find the optimal locations and optimal Sizes of DG to put it in the distribution networks with the view of minimizing the voltage drop on the System. The first method is based on the optimization technique using genetic algorithm. The second one is to find the optimal location through the sensitivity factor of the buses. A comparison between the optimal location finding with an objective of minimizing voltage drop and the optimal location finding with an objective of reducing power loss is also addressed. These placement methodologies are tested for three different types of DGs, namely a DG capable of delivering real power only, a DG capable of delivering reactive power only and a DG capable of delivering both real and reactive power only. All these proposed methodologies are tested in 33-bus radial and 69-bus radial distribution Systems
Year2006
TypeThesis
SchoolSchool of Environment, Resources, and Development (SERD)
DepartmentDepartment of Energy and Climate Change (Former title: Department of Energy, Environment, and Climate Change (DEECC))
Academic Program/FoSEnergy Technology (ET)
Chairperson(s)Nadarajah, Mithulananthan;
Examination Committee(s)Weerakorn Ongsakul ;Surapong Chirarattananon
Scholarship Donor(s)Electricity of Vietnam
DegreeThesis (M.Eng.) - Asian Institute of Technology, 2006


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