| In recent years, the State Grid Corporation proposed the idea of "deepening the leading role of planning, and therefore guiding the development of more specified grid", this gives a further requirement to grid planning, especially to the scientific rationality of distribution network planning. This paper implies the comparability of planning improvement for starter, and announced the identification and quantification of the means and standard parameters of high voltage distribution network life-cycle costs and benefits, by analyzing the costs and benefits of the full life cycle of each steps of planning projects, to carry out comparation of high voltage distribution network planning scheme, in order to improve efficiency of planning and to achieve specified management of planning project.Firstly, this paper give the classification and analysation of the high-pressure distribution network planning projects, according to the different purposes of high voltage distribution grid project construction, given the released study and exiesting research and the further application of the research result. Furthermore, this paper reflect the different effection of investment projects before and after the construction, according to the different classification of high voltage distribution network planning Project, align with the construction purpose and the main solution of problems. In additional, this paper give recognition method and principles related to the power grid projects, through rational scientific identification, clear project scope which relates to the impact of the power grid to the exact scope of economic and technical analysis. Further research develops the index and method and system and different scenes undter different election focus of comparation of high-voltage distribution network planning economic and technics. Research shows computing method of key economic and technical indicator index comparation of high voltage distribution network planning projects, such as cost, increase efficiency of power supplyment, reliability, loss reduction efficiency computing model. Moreover, a detailed description of the calculation of the indicators proposed process-based calculation method is given. Finally, this paper verify the validity of the proposed method, given the application of the project proposed high-voltage distribution network planning and economic and technical comparison system comparison method, the high-voltage distribution network applicational examples, in the angle of high voltage distribution Grid access program selection, selection scheme comparison and Location Planning. |
