Index System of New Energy Output Characteristics and Its Application in Power Grid Planning
2023 13th International Conference on Power, Energy and Electrical Engineering (CPEEE)(2023)
Abstract
When large-scale new energy is connected to the power grid, the fluctuation and randomness of its output will have a great impact on the power grid planning, power peak adjustment, security and economic operation of the power grid. In order to solve the problem of quantifying the output combined with the output characteristics of new energy in the calculation of power grid planning, this paper analyzed the historical data of the output operation and output of wind power plants and photovoltaic power stations in a regional power grid from 2019 to 2021, established the natural characteristics index system of wind power and photovoltaic power generation, and calculated the confidence capacity, effective capacity and reverse peak regulation coefficient of regional new energy output. It is applied in the “ 14th Five-Year Plan’’ and medium - and long-term power grid planning project in this region. The results show that the research results can be well applied to power grid planning and power balance calculation, power flow analysis and calculation engineering including large-scale new energy access system, and it is of great significance to guide the power grid planning engineering design.
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