| Electricty is related to the national economic and social development lifeline strategic energy.In recent years, many power supply enterprise constantly increase the investment to the power grid. Grid construction is in high speed development stage.For the power supply enterprise, power transmission and transformation equipment occupy a considerable proportion of the huge project investment in power grid construction. At the meanwhile, to keep the equipments run, the time and money spend in it will be increasing.What has been the most considerable point of the power supply enterprises is how to ensure the safety of the power grid, the stability of the process and the best input output ratio with the technical improvement nowadays. So the program, starting from the system target, optimizing long-term economic benefits of power grid assets, evaluating the whole process of asset management for good technical function which includes planning, design, manufacturing, purchasing, installation, operation, maintenance, renewal and decommission, which worth further investigation will have a deep affection towards the sustainable development of the power supply enterprises.This paper mainly introduces the theory of life cycle asset management. Compare with the asset management method of advanced electric power enterprises such as the CLP Power Hong Kong Limited, it find the management problem of power grid asset, in perticuliar power transmission and transformation equipment assets, in the company which the author works in.And the paper sets220kV equipment of500kV substation as the research object, applies the analytic method of LCC and cost-bennefit analysis methed to the equipment project, and builts mathematical model of LCC.By LCC analysis of the three alternatives, we get the LCC scheme for primary equipment of the substation, which provides a reference of life cycle theory in the application of substation construction. |
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