Ordered electric automobile charging method orientated to active intelligent distribution network

A technology of smart distribution network and electric vehicles, which is applied in the direction of secondary battery charging/discharging, vehicle components, circuits or fluid pipelines, etc., and can solve problems such as increased peak-to-valley load differences in power grids, increased operating costs and power generation costs, etc. , to achieve the effect of simplifying the method, relaxing the calculation time requirement, and improving the economy

Inactive Publication Date: 2012-11-07
NORTH CHINA ELECTRIC POWER UNIV (BAODING)
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Problems solved by technology

Disorderly charging of large-scale electric vehicles will bring negative impacts such as incre

Method used

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  • Ordered electric automobile charging method orientated to active intelligent distribution network
  • Ordered electric automobile charging method orientated to active intelligent distribution network
  • Ordered electric automobile charging method orientated to active intelligent distribution network

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Embodiment Construction

[0035] The preferred embodiments will be described in detail below in conjunction with the accompanying drawings. It should be emphasized that the following description is only exemplary and not intended to limit the scope of the invention and its application.

[0036] Each charger communicates with the BMS of the battery management system, reads in the maximum charging power allowed by the battery under different states of charge, and then performs the following steps:

[0037] Step 1: The charging control system predicts the future T time (the determination of T is affected by factors such as system capacity, electric vehicle charging load capacity, new energy power generation load capacity, energy storage configuration, and conventional load curve, etc., and needs to be selected according to actual conditions, such as optional The duration is 1 hour, then T=3600s) The charging power E C , conventional load power p B (t) and distributed power generation E DG , where the c...

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Abstract

The invention discloses an ordered electric automobile charging method orientated to an active intelligent distribution network in the technical field of intelligent power grids. The method comprises the following steps of: predicting the conventional load power, the generated energy of a distributed power supply and the charge capacity, so as to obtain a power reference value of total load power in a set time period; obtaining the charging load power reference value of the electric automobile through the actual conventional load power and the actual generated power of the distributed power supply; and adjusting the charging power of the electric automobile through the actual value of the charging load power of the electric automobile. The charging load power of the electric automobile is controlled, so that the fluctuation of the conventional power load and new energy load is suppressed, and the operating economical efficiency and controllability of the distribution network and the new energy consumption capacity are improved.

Description

technical field [0001] The invention belongs to the technical field of smart grids, and relates to an orderly charging method for electric vehicles facing an active smart distribution network. Background technique [0002] With the development of technology in the field of electric vehicles, electric vehicles and plug-in hybrid vehicles are becoming more and more popular. Disorderly charging of large-scale electric vehicles will bring negative impacts such as increased load peak-valley difference, increased operating costs and power generation costs to the power grid. [0003] In the power system, the power generated by the power supply and the power consumed by the power load, energy storage and network loss must be kept in balance at all times, while the power of the conventional power load is determined by the user and is not controlled by the grid. The charging load of electric vehicles is different from other conventional electricity loads. It is adjustable in charging...

Claims

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Application Information

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IPC IPC(8): H01M10/44B60R16/02
CPCY02E60/12Y02E60/10
Inventor 李秋硕肖湘宁陶顺张曦予
Owner NORTH CHINA ELECTRIC POWER UNIV (BAODING)
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