Abstract
A drastic (by about a factor of three) increase of electricity demand is predicted for the next decade in the Republic of the Union of Myanmar. It is planned to connect all households to the country’s national power grid. These electrical load growth rates will require, first of all, a significant development of the 11 kV and 33 kV electrical distribution networks. The load curves of 33 kV substations are given. The results of the first load measurements in 11 kV electrical distribution networks are presented. Based on the load curves and load measurement results, the loading patterns of 11 kV and 33 kV power lines and 33/11 kV and 11/0.4 kV transformers were analyzed for the studied electrical networks of the Republic of Myanmar Mandalay district. In most cases, the existing load of 33/11 kV and 11/0.4 kV transformers does not exceed 65%, which allows their loading to be doubled without exceeding the permissible systematic overload capacity. The 33 kV lines also have at least a 100% transmission capacity margin. Most of 11 kV lines have no more than 40% capacity margin. The load of some 11 kV lines has reached the maximum level. Based on the obtained analysis results, the development lines of distribution networks in the Republic of the Union of Myanmar have been determined.
Published Version
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