Flexible load dispatching method for improving acceptable capacity of power distribution network on renewable energy resource

A technology of renewable energy and dispatching methods, applied in the direction of climate sustainability, AC network voltage adjustment, power network operating system integration, etc., can solve the problems of high cost, low practical value, and poor economic benefits of consumption technology

Active Publication Date: 2017-03-08
CHINA ELECTRIC POWER RES INST +2
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Problems solved by technology

The consumption technology that relies solely on energy storage is expensive, has low practical value in large-scale use, and poor economic benefits

Method used

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  • Flexible load dispatching method for improving acceptable capacity of power distribution network on renewable energy resource
  • Flexible load dispatching method for improving acceptable capacity of power distribution network on renewable energy resource
  • Flexible load dispatching method for improving acceptable capacity of power distribution network on renewable energy resource

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Embodiment Construction

[0071] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0072] Such as figure 1 As shown, a flexible load scheduling method to improve the acceptance capacity of renewable energy in the distribution network, the specific steps of the method are as follows:

[0073] 1. The distribution network side adopts the neural network analysis method to predict the short-term power generation of renewable energy in the next day;

[0074] 2. According to the predicted amount of renewable energy power generation in the next day, different optimal scheduling methods are adopted for optimization.

[0075] 2-1. If the next day’s renewable energy power generation exceeds the load demand in the distribution network during the peak load period, the user’s load will be increased by transferring loads and stimulating loads to accommodate renewable energy;

[0076] 2-2. The transferable load is the load transferred from a certain time...

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Abstract

The invention provides a flexible load dispatching method for improving acceptable capacity of a power distribution network on renewable energy resource. The flexible load dispatching method comprises the steps that (1) a power distribution network side performs short-term power prediction on renewable energy resource electric energy production on the next day by adopting a neural network analysis method; and (2) different optimizing and dispatching methods are adopted according to the magnitude of the renewable energy resource electric energy production on the next day for optimization. By adoption of the flexible load dispatching method, effective consumption and acceptation on the large-scale renewable energy resource can be realized by the power distribution network, so that the acceptable capacity of the power distribution network on the renewable energy resource is enhanced, and benefits are brought to two parties of the power distribution network and a load user.

Description

technical field [0001] The invention relates to a flexible load dispatching method, in particular to a flexible load dispatching method for improving the renewable energy acceptance capacity of a distribution network. Background technique [0002] Renewable energy power generation generally refers to the power generation method that converts renewable energy such as solar energy, wind energy, and water energy into electrical energy, mainly including solar power generation, wind power generation, hydropower generation, biomass power generation, geothermal power generation, tidal power generation, etc. Compared with traditional fossil energy such as coal, oil, and natural gas, renewable energy generally has the characteristics of less pollution and large reserves, which is of great significance for solving the increasingly serious problems of environmental pollution and resource scarcity in today's world. The use of renewable energy to gradually replace traditional energy for ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/38H02J3/14
CPCY02B70/3225Y04S20/222
Inventor 孟晓丽宋晓辉盛万兴高君任佳依顾伟李建芳
Owner CHINA ELECTRIC POWER RES INST
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