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Stereoscopic charging station cloud platform intelligent charging and discharging control system and method

A technology of intelligent charging and discharging and control methods, applied in the field of power system, can solve the problem of storage and computing becoming the bottleneck, and achieve the effect of improving safety and efficiency

Inactive Publication Date: 2018-06-19
NANJING UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

With the development of the industry, a large amount of heterogeneous data will be generated in the process of fusion of multiple information sources, and it will become big data. The traditional stand-alone serial processing mode can no longer meet the needs of time and space. Its storage and Computation will become the bottleneck

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  • Stereoscopic charging station cloud platform intelligent charging and discharging control system and method
  • Stereoscopic charging station cloud platform intelligent charging and discharging control system and method
  • Stereoscopic charging station cloud platform intelligent charging and discharging control system and method

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Embodiment 1

[0043] Embodiments of the present invention propose a multi-objective optimization model for orderly charging of electric vehicles in a regional grid. The model is divided into two aspects: grid side and user side. Among them, the multi-objective orderly charging optimization model on the grid side mainly considers grid load and user fairness factors, and is realized by algorithms such as minimum load method and multi-level feedback queue.

[0044] figure 1 is a general battery charging power fitting curve.

[0045] For electric vehicles with the same type of battery, the overall charging power curve is fixed. In the case of known charging power curves of various types of batteries, the charging process of electric vehicles can be abstracted as intercepting part of the charging power curves of the type of batteries and superimposing them one by one on the background load curve of the charging station.

[0046] The charging process of electric vehicles reflected in the infor...

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Abstract

The invention discloses a stereoscopic charging station cloud platform intelligent charging and discharging control system and method. The system comprises a charging terminal, a data center, a cloudplatform server, an online monitoring system and a mobile terminal. Charging posts in the charging terminal communicate with each other to form a charging station internal network. The charging terminal, the online monitoring system and the mobile terminal communicate with the cloud platform server through the data center. The method comprises a step of using a hierarchical multi-objective coordination method and establishing an electric vehicle charging load model, a step of determining a grid-level intelligent charging strategy with an optimal load level as a goal, a step of balancing a transmission line load rate after each charging station is connected and charged according to an overall charging access scheme, and a step of adopting time-of-use power prices for a peak and a valley, using user motivation and guidance strategies and reservation and queuing mechanisms, and optimizing a charging behavior of a user. According to the system and the method, optimal charging schemes can be quickly and accurately provided for a power grid, the charging station and the user.

Description

technical field [0001] The invention relates to the technical field of power systems, in particular to an intelligent charging and discharging control system and method for a three-dimensional charging station cloud platform. Background technique [0002] As an effective way to solve the shortage of traditional fossil energy, the aggravation of urban environmental pollution, and global warming, electric vehicles are bound to receive widespread attention all over the world. With the large-scale access of electric vehicles, it will definitely have an impact on the operation of the power grid. Uncontrolled disorderly charging will pose a serious threat to the safety and economic operation of the power system. [0003] The research on coordinated charging or intelligent charging is still in its infancy, and model establishment, goals, modes, constraints and control methods need to be further explored. The dispatching agency directly dispatches each connected electric vehicle i...

Claims

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Application Information

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IPC IPC(8): H02J7/00H02J3/32B60L11/18
CPCH02J7/0027H02J3/32H02J7/0068B60L53/60Y02T90/16Y04S30/12Y04S30/14Y02T10/7072Y02T10/70Y02T90/167Y02T90/12
Inventor 胡文斌刘屹东哈进兵陈岳贤吕建国
Owner NANJING UNIV OF SCI & TECH
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