Distribution Nemork Development Planning Of Tangshan Center City

With the development of economy, the quickening of urbanization, the continuous improvement of living standards, people are increasingly dependent on electricity, so how to solve the contradiction between supply and demand have become increasingly prominent, the optimization of existing distribution network structure, improve the power quality and power supply reliability is currently a hot issue of electric power industry research.This paper analyses the background and significance of the research of distribution network planning, from the aspects of regional characteristics, the Tangshan region’s economic development situation and the distribution network in Tangshan area of the status quo, research the development trend of Tangshan district power network, points out the existing high-voltage and medium-voltage distribution network, the main problems and solving methods of short-term, method; the medium-term and long-term load forecasting is analyzed and compared, combined with the Tangshan City land planning and historical data of electricity consumption, the Tangshan City electric power load and electricity demand forecast, provide the basis for the planning of Tangshan City distribution network; on the goal and principle of high voltage distribution network planning, on the basis of the planning of Tangshan City determination of distribution network, substation in Tangshan city location, capacity and capacity-load ratio, the high voltage distribution network planning. And the power grid planning investment were estimated.