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Cross-regional power grid peak regulation optimization method and device

An optimization method and a technology for optimizing devices, which are applied in data processing applications, system integration technology, forecasting, etc., and can solve problems such as wind abandonment and poor peak shaving optimization effects

Pending Publication Date: 2019-11-26
CHINA ELECTRIC POWER RES INST +2
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In order to overcome the shortcomings of poor cross-regional peak regulation optimization effect and serious wind abandonment phenomenon in the prior art, the present invention provides a cross-regional power grid peak regulation optimization method and device, which can obtain peak regulation curves, Intraday planned output and peak shaving demand in multiple demand areas; bring the peak shaving curve of each unit in the supply area, intraday planned output and peak shaving demand in the demand area, and the topological relationship between the supply area and the demand area into the pre-built The peak shaving optimization model is calculated to obtain the peak shaving amount of each unit in each supply area, which can effectively realize cross-regional peak shaving, improve the effect of new energy consumption, and reduce the phenomenon of wind abandonment

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  • Cross-regional power grid peak regulation optimization method and device
  • Cross-regional power grid peak regulation optimization method and device
  • Cross-regional power grid peak regulation optimization method and device

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Effect test

Embodiment 1

[0109]The peak shaving compensation is provided from the demand area (ie, the grid peak shaving demand area) to the peak shaving supply area (ie, the grid peak shaving supply area). When the peak-shaving capacity of the demand area is insufficient, the regional output power is provided to provide the peak-shaving capacity, but this part of the less power generation is actually replaced by the demand area. The demand area obtains power consumption space. From the point of view that the peak shaving in the demand area is insufficient, and the supply area replaces it for peak shaving, the supply area reduces the output, and the demand area should compensate for the peak shaving. Therefore, the demand area obtains the power generation income according to the on-grid electricity price, and pays the peak shaving compensation to the supply area. The power generation unit in the supply area will be paid by the regional power grid according to the grid price corresponding to the electr...

Embodiment 2

[0149] Based on the same inventive concept, Embodiment 2 of the present invention also provides a cross-regional power grid peak regulation optimization device. The functions of each component are described in detail below:

[0150] The acquisition module is used to obtain the peak shaving curve quotations of each unit in multiple supply areas, the planned output within a day, and the peak shaving demand information of multiple demand areas;

[0151] The solution module is used to bring the peak-shaving curves of each unit in the provided area, the daily planned output and the peak-shaving demand information of the demand area, and the topological relationship between the supply area and the demand area into the solution of the pre-built peak-shaving optimization model for calculation. The peak shaving amount of each unit in each provided area.

[0152] The device provided by Embodiment 2 of the present invention also includes a building block, and the peak shaving optimizatio...

Embodiment 3

[0187] In Embodiment 3 of the present invention, the regional power grid system diagram is as follows figure 2 As shown, the supplying provinces S1, S2, and S3 participating in cross-regional peak shaving each have 3 generating units, that is, there are 9 generating units in the providing area. and province B found that the peak shaving capacity was insufficient, and the two provinces declared the peak shaving capacity demand for 16 periods as the demand area, such as image 3 shown.

[0188] Taking the provision of provincial S1 as an example, the intraday peak-shaving curve of the provincial unit is provided in sections, and the peak-shaving capacity of the unit is 10% of one section (each period can be divided into multiple sections according to the 10% of the peak-shaving capacity of the unit), and the quotation for the section must be in accordance with The price shall be declared step by step in increments. The quotations for 16 periods are the same. Provide the resp...

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Abstract

The invention provides a cross-regional power grid peak regulation optimization method and device. The cross-regional power grid peak regulation optimization method comprises the steps: acquiring peakregulation curves, intraday planned output and multiple demand area peak regulation demands of all units in multiple providing regions; substituting the peak regulation curve of each unit in the providing region, the intraday planned output, the peak regulation demand of the demand area and the topological relation between the providing area and the demand region into a pre-constructed peak regulation optimization model; and obtaining the peak regulation amount of each unit in each providing region through calculation, effectively achieving cross-regional peak regulation, improving the new energy consumption effect, and reducing the wind curtailment phenomenon. The peak regulation optimization model constructed by the cross-regional power grid peak regulation optimization method can be applied to cross-regional peak regulation, so as to realize inter-region peak regulation optimization. According to the technical scheme provided by the invention, a clean energy consumption space can be provided for a demand area, and consumption is carried out by utilizing power grid peak regulation resources in a larger range, and optimal configuration of the resources is realized.

Description

technical field [0001] The invention relates to the field of new energy technology, in particular to a cross-regional power grid peak regulation optimization method and device. Background technique [0002] The geographical distribution of clean energy resources and power loads is extremely uneven. Using long-distance, large-capacity transmission lines to transport power generation resources from areas with abundant water, wind, and solar resources to the load center is an important means to alleviate energy conflicts. Taking China as an example, the Northwest and Southwest regions of China are rich in hydropower, wind power, and solar energy resources. Using the abundant clean energy resources in the above regions can supply energy for power load centers such as Central China and East China, which can well alleviate China's energy conflicts. [0003] Ancillary services are an important guarantee for maintaining the safe and stable operation of the power system, ensuring pow...

Claims

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Application Information

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IPC IPC(8): G06Q10/04G06Q10/06G06Q50/06
CPCG06Q10/04G06Q10/06315G06Q50/06Y02E40/70Y04S10/50
Inventor 刘芳
Owner CHINA ELECTRIC POWER RES INST
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