Research of Cogeneration Units Acting on Electric Peak-shaving Operating Mode
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Abstract
With the social development and industrial structure adjusting constantly, the changing in electricity structure, Guangdong power system is facing a growing problem on peak-shaving capability, the lack of power load has become an important factor restricting the development of electric power. To involve cogeneration units in peak shaving is an effective way to solve the problem above. In this paper, by modeling the cogeneration units, We study the different relationship between combined cycle net output, heat supply and the generating heat rate, the power supply gas consumption, the heat-electricity ratio, and conclude the factors which affect the peak shaving regulating capacity and the range of peak shaving. Base on the analysis of peak-shaving capability of the cogeneration units, we can know the operating mode of regulating peak-load of the power system.
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