| With the development of modern society and economy, the progress of power grid is directly related to the development of a country or a region, while power grid planning is an important part of the implementation of grid progress construction. For the purpose of promoting the construction and economic development of Jiande, network planning is of great theoretical and practical value, which can build a more scientific, reasonable and optimal distribution system grid.Load forecasting is the premise and the foundation of grid planning decisions and economic operation. Accurate load forecasting can ensure the grid operation mode to meet the principles of safety, reliability and economy, reduce uncertainty which cause differences in power supply and consumption, so that decisions made by every department according to their function can be implemented successfully and it can reflect the maximization of social benefits. Therefore, it can be seen that it is extremely urgent to improve the load forecasting accuracy to follow the continuous development and reform of the power system today. Moreover, it is a severe task of grid planning to plan a reasonable grid structure which can meet the characteristic of load space layout occording to the load growth, so that every region can meet the requirements of safety, reliability and economy.This paper makes a comprehensive induction and analysis of the status and the main problems of the power grid in Jiande. Combined with the regional power grid layout, a variety of load forecasting methods has been used to analyze in order to absorb the advantages to find more scientific and reasonable methods of load forecasting. On this basis, the paper divides the power supply region of Jiande according to the load situation, points out the regional differences in objectives and principles of grid planning. At last, the paper points out grid restructuring advice adapted to the load space layout and network planning and management suggestions. |
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