Abstract
With the rapid development of the UHV power grid, evaluation of the economic and social benefits of the UHV power grid is conducive to guiding the planning and construction of UHV power grid. At present economic benefit evaluation system of the UHV power grid is driving to maturity stage on the whole at home and abroad, but it invariably tends to regard social benefits as part of economic benefits, without evaluating social benefit separately. The social benefit evaluation model of UHV power grid is built in case of sufficient investigation. The differentials between social benefit and social cost are calculated respectively by three kinds of solutions according to the constructed social cost evaluation index system and social benefits evaluation index system, conclusion that UHV power grid transmission has better social benefits can be reached by contrastively analyzing the social three kinds of solutions corresponding to benefits. At last, the evaluation model and method are verified and analyzed through the analysis of engineering projects.
Highlights
With the rapid development of UHV power grid, the analysis of the operational factors [1] and the economical assessment of UHV power grid are crucial in planning and constructing the UHV power grid
The differentials between social benefit and social cost are calculated respectively by three kinds of solutions according to the constructed social cost evaluation index system and social benefits evaluation index system, conclusion that UHV power grid transmission has better social benefits can be reached by contrastively analyzing the social three kinds of solutions corresponding to benefits
After that the direct social benefit of the 3 cases is calculated from the cost and benefit, the indirect social benefit is of the 3 cases obtained by the comparison and analysis, the evaluation model and method are verified and analyzed respectively in the analysis of engineering projects
Summary
With the rapid development of UHV power grid, the analysis of the operational factors [1] and the economical assessment of UHV power grid are crucial in planning and constructing the UHV power grid. In the Ref [5], the UHV transmission model is built and the economic analysis is done. Reasonable social benefits evaluation system should be built for current UHV and provide scientific basis for the project feasibility studies. It can be concluded that direct and indirect social benefit evaluation models should be established under the engineering practice of UHV. After that the direct social benefit of the 3 cases is calculated from the cost and benefit, the indirect social benefit is of the 3 cases obtained by the comparison and analysis, the evaluation model and method are verified and analyzed respectively in the analysis of engineering projects. The rest of this paper is organized as follows: In Section 2, social benefits evaluation model is built. The assessment model and method is examined In Section 5
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