Calculation method of photovoltaic openable capacity based on data mining

An open capacity and data mining technology, applied in photovoltaic power generation, AC network circuits, electrical components, etc., can solve problems such as unreasonable consideration, unreasonable analysis of line transmission capacity, and low accuracy of results

Active Publication Date: 2018-08-28
杭州国电电力科技发展有限公司
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Problems solved by technology

When the power generation capacity in the grid is small and the transmission capacity of the line is insufficient, the calculation result of the capacity-load ratio method is not accurate; while the analysis of the transmission capacity of the line uses the line as the basis for the calculation of the power supply capacity. The basic idea is to consider the transfer capacity of the network. However, it i

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  • Calculation method of photovoltaic openable capacity based on data mining
  • Calculation method of photovoltaic openable capacity based on data mining
  • Calculation method of photovoltaic openable capacity based on data mining

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[0044] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0045] In order to better cooperate with the State Grid's policy of serving new energy, it is necessary to make targeted modifications and improvements to the power grid under the actual situation of rapid growth of photovoltaic power generation. Generally speaking, the development and installed capacity of distributed photovoltaic power generation depends on factors such as area, population, GDP, and building area (as studied in the extended application of Chapter 4 above). For large megawatt ground power stations, the total installed capacity is directly related to land use and planning, and accurate prediction is very difficult.

[0046] Therefore, when testing the power grid planning, the method of quantitatively analyzing the maximum openable capacity of photovoltaics at each voltage level of the power grid is adopted, starting from the openable capacity...

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Abstract

The invention discloses a calculation method of photovoltaic openable capacity based on data mining. The problems that openable capacity corresponding to each voltage level is calculated by a capacity-load ratio method or the line transmission capability analysis, but the method is not reasonable enough in consideration and is prone to large deviation are solved. The calculation method comprises the steps: S100, establishing a calculation system of the maximum photovoltaic openable capacity of a grid, and calculating the maximum photovoltaic openable capacity of the grid; S200, on the basis that the system reaches the maximum photovoltaic openable capacity of the grid, establishing a main transformer and line load rate balancing model, so that each main transformer load and line load can achieve balanced distribution, and balanced distribution of load flow in the grid is realized. According to the calculation method of the photovoltaic openable capacity based on data mining, the calculation accuracy of the maximum power supply openable capacity can be reasonably increased.

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Application Information

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Owner 杭州国电电力科技发展有限公司
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