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Active distribution network planning method for improving distributed generation consumption capacity

A technology of distributed power supply and active distribution network, which is applied in the direction of AC network, electrical components, circuit devices, etc. with energy trade/energy transmission authority, and can solve the problems of increasing the complexity of power supply planning model

Pending Publication Date: 2019-09-27
国网浙江海宁市供电有限公司 +1
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  • Application Information

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Problems solved by technology

However, due to the characteristics of new technologies, there are more factors and constraints to be considered in the planning model than substation planning, such as DG environmental benefits and output constraints, energy storage and electric vehicle charging and discharging constraints, etc., which further increases the complexity of the power planning model degree

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  • Active distribution network planning method for improving distributed generation consumption capacity
  • Active distribution network planning method for improving distributed generation consumption capacity
  • Active distribution network planning method for improving distributed generation consumption capacity

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Embodiment Construction

[0159] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the drawings and examples. It should be understood that the specific implementation described here is only one of the best examples of the present invention. The embodiments are only used to explain the present invention, and do not limit the protection scope of the present invention. All other embodiments obtained by those skilled in the art without creative work belong to the protection scope of the present invention.

[0160] Such as figure 1 As shown, an active distribution network planning method to improve the capacity of distributed power generation includes the following steps:

[0161] Step S1: input of distribution network information;

[0162] 1. Distribution network information includes distribution network structure, distribution lines, equipment parameters and load characterist...

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Abstract

The invention discloses an active distribution network planning method for improving a distributed generation consumption capacity, characterized by comprising the following steps of S1, inputting distribution network information; S2, predicting an electric vehicle access demand; S3, in consideration of the construction cost and the running cost, defining an objective function to minimizing the total cost, and by using the distributed generation and energy storage as variables, carrying out source-grid-storage coordination planning and constructing a coordination planning model; S4, solving the model; S5, calculating a distributed generation consumption rate [omega]; and S6, outputting a multi-dimensional planning comparison result. The method has the beneficial effects of minimizing the overall construction operation cost, considering the grid consumption capacity, realizing the source-grid-charge-storage coordination planning, using a multi-time-scale and multi-constrained planning model, and considering the difference of distributed generation permeability and storage access scale in different stages, and can be applied to the planning and design of county distribution network with different distributed generation permeability.

Description

technical field [0001] The invention relates to the technical field of distribution network planning, in particular to an active distribution network planning method for improving the accommodating capacity of distributed power sources. Background technique [0002] With the development of new technologies, the power source of distribution network is no longer limited to substations. DG (distributed power generation) and energy storage can also be used as the power source of the system, and the power supply planning model has been expanded. However, due to the characteristics of new technologies, there are more factors and constraints to be considered in the planning model than substation planning, such as DG environmental benefits and output constraints, energy storage and electric vehicle charging and discharging constraints, etc., which further increases the complexity of the power planning model degree. [0003] With the promotion of clean energy, electric vehicles are ...

Claims

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Application Information

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IPC IPC(8): H02J3/00H02J3/38
CPCH02J3/00H02J3/381H02J3/008H02J2203/20
Inventor 郁家麟肖龙海施海峰高忠旭俞威袁国珍陈其顾华东陈超旻全心雨寇凌峰盛万兴吴鸣刘海涛季宇侯小刚屈小云牛耕
Owner 国网浙江海宁市供电有限公司
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