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Method for establishing active power distribution network planning model considering site selection and constant volume of electric vehicle charging station

A technology of active distribution network and planning model, which is applied in the field of power grid and can solve the problems of site selection and capacity affecting the stability and convenience of distribution network.

Active Publication Date: 2020-03-20
STATE GRID FUJIAN ELECTRIC POWER CO LTD +3
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

On the other hand, the access of EV charging stations will bring charging load, and the problem of location selection and fixed capacity will also affect the stability of distribution network and the convenience of EV travel

Method used

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  • Method for establishing active power distribution network planning model considering site selection and constant volume of electric vehicle charging station
  • Method for establishing active power distribution network planning model considering site selection and constant volume of electric vehicle charging station
  • Method for establishing active power distribution network planning model considering site selection and constant volume of electric vehicle charging station

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Embodiment Construction

[0085] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0086] It should be pointed out that the following detailed description is exemplary and intended to provide further explanation to the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

[0087] It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and / or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and / or combinatio...

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Abstract

The invention relates to a method for establishing an active power distribution network planning model considering site selection and constant volume of an electric vehicle charging station. The method comprises: converting the traffic flow of the electric vehicle into a mobile charging demand in a traffic network on the basis of the site selection and constant volume of an electric vehicle charging station, and establishing an electric vehicle traffic network model based on an M / M / s queuing model and a closure site selection model in the traffic field; establishing a distributed power supply(including wind power and photovoltaic) and load model by adopting a time sequence method, and simulating the output or requirements of the distributed power supply and the load in different time sequence scenes; establishing an energy storage element model in the power distribution network based on an equivalent load thought; establishing an embedded layer planning model by taking the economy andreliability of a power distribution network and the maximum traffic flow intercepted by an electric vehicle charging station as targets. On the premise of optimizing system operation as much as possible in an inner layer, the construction cost input of an active power distribution network is fully improved in an outer layer, the overall economy of power distribution network planning is improved,and the voltage distribution of the power distribution network is improved.

Description

technical field [0001] The invention relates to the technical field of power grids, in particular to a method for establishing an active distribution network planning model considering site selection and capacity determination of electric vehicle charging stations. Background technique [0002] With the access of distributed generation (Distributed Generation, DG) and electric vehicles (Electric Vehicle, EV), the power planning content of distribution network has become more complex, and more needs to be considered in terms of access costs and comprehensive benefits the elements of. On the one hand, DG output and load demand have significantly different timing characteristics. Reasonable access to energy storage devices can store energy during the low-peak period of power consumption and release energy during the peak period of power consumption, realizing the complementarity between DG and load demand, reducing The combined cost of planning options. On the other hand, the...

Claims

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Application Information

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IPC IPC(8): G06F30/20G06Q10/04G06Q50/06H02J3/00
CPCG06Q10/04G06Q50/06H02J3/00Y04S10/50Y02E40/70
Inventor 倪识远张林垚郑洁云林婷婷施鹏佳吴桂联孔顺飞王珏莹谢仕炜庄莉梁懿刘心林长锥
Owner STATE GRID FUJIAN ELECTRIC POWER CO LTD
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