| In recent years, China’s power industry has made great progress, but with the development of social economy, the situation of power supply shortage still exists. And, from our country national economy development and the trend of social development, for a long period of time, the growth of electricity demand will remain high, power system construction tasks are very heavy. The power grid construction is an important part of power system construction, the task is according to the power load growth and scientific and rational planning of construction of power grid structure. And, in the electric power industry has the characteristics of public utilities in our country, the safety of the electric power industry and stable development is particularly important. Under this background, our country is promote the building of the grid work, power grid construction is the main power transmission and transformation project. Given the big power transmission and transformation construction project investment, long cycle, wide range, such as a variety of uncertain factors and characteristics, technical and economic analysis and evaluation on the construction of power transmission and transformation project, not only can clear technical feasibility and economic rationality of investment projects, maximize the comprehensive economic benefit of project investment, but also to strengthen the scientific nature of the project decision-making, to guide project investment direction correctly, control of project investment, promote the development of the electric power industry.Based on Handan Matou 220 kv power transmission and transformation construction project as the research object, has carried on the comprehensive evaluation analysis. This paper introduces the research background and significance, deeply analyzes the research status at home and abroad in the field of project comprehensive evaluation. Then elaborated the related comprehensive evaluation theory. And apply the theoretical knowledge, the paper analyzes the necessity of handan matou 220 kv power transmission and transformation projects, from the technology scheme, equipment selection, engineering and technical aspects of the project are analyzed in technology; From the investment and economic benefit analysis, saving energy and reducing consumption, and so on has carried on the economical analysis, determine the project comprehensive evaluation index system. Finally, using the comprehensive evaluation method, the technical and economic comprehensive evaluation for the project. |
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