1 AIT Asian Institute of Technology

Transmission network planning : a case study of Lao PDR

AuthorSengamphone Phanavanh
Call NumberAIT Thesis no.ET-06-1
Subject(s)Power transmission--Planning--Laos

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
AbstractThe purpose of transmission system planning evaluation is to determine the least cost and minimum power losses. Possible alternatives in transmission expansion planning should be evaluated carefully. In planning, the utilities have to study the transmission networks looking into all possible alternatives and compare them by technical and economical criteria. The alternative, which meets the technical, economic and environmental criteria at minimum cost, should be selected. This thesis presents a study of transmission network expansion planning for Lao's system including the North, Center-1, Center-2 and South regions. It aims to identify options of transmission development and each configuration analytical studies of grid development staging requirements (three stages) in years 2005, 2010 and 2015 by using techno economical parameters. The network data are collected from two power plants, some substations, EDL and MIH. Based on load demand forecast and load survey by EDL, the estimated load growth for every provincial load in transmission system has been performed. These input data are used in the power flow simulation using power world software. In the transmission expansion planning, two options are explored. Option 1 follows EDL transmission network national expansion planning while Option 2 involves modification of EDL network transmission plan. The result shows that Option 2 is more desirable than Option 1 in terms of lower transmission loss, lower transmission network cost, and higher reliability and availability of network (due to interconnections and shortest length of transmission line). Thus it is recommended that Option 2 should be adopted
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)Weerakorn Ongsakul;
Examination Committee(s)Surapong Chirarattanon ;Mithulananthan, Nadarajah;
Scholarship Donor(s)Government of Sweden (Sida) ;
DegreeThesis (M.Eng.) - Asian Institute of Technology, 2006


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