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Charging and discharging scheduling method of electric vehicle swap station to promote the consumption of renewable energy

A technology of renewable energy and electric vehicles, applied in the direction of electric vehicle charging technology, electric vehicles, charging stations for charging mobile devices, etc.

Active Publication Date: 2018-08-28
SOUTHEAST UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Most of the existing electric vehicle dispatching methods focus on their own economic operation, or are only applied to the aspects of peak load shifting and valley filling.

Method used

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  • Charging and discharging scheduling method of electric vehicle swap station to promote the consumption of renewable energy
  • Charging and discharging scheduling method of electric vehicle swap station to promote the consumption of renewable energy
  • Charging and discharging scheduling method of electric vehicle swap station to promote the consumption of renewable energy

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Embodiment Construction

[0072] In order to make the object, technical solution and advantages of the present invention more clear, the present invention will be described in detail below in combination with the accompanying drawings and implementation examples. It should be understood that the specific implementation cases described here are only used to explain the present invention, and are not intended to limit the invention.

[0073] attached figure 1 It is a schematic flow chart of the method of the present invention, which introduces the basic steps of the method of the present invention.

[0074] Firstly, obtain hourly renewable energy generation output forecast information and load power forecast information from the regional power grid dispatching center, as shown in the attached figure 2 As shown, during the period of large-scale renewable energy generation, the power generation has exceeded the load demand, which may cause system security problems such as energy reverse transmission.

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Abstract

The invention discloses an electric automobile charging station charging / discharging scheduling method capable of accelerating the absorption of renewable energy sources. The electric automobile charging station charging / discharging scheduling method comprises the following steps: (1) absorbing the renewable energy sources at maximum the day before based on power generation output of the renewable energy sources, load demanding, power demanding of an electric automobile charging station andresidual electric quantity predication informationnext day, and minimizing the power generation cost of an adjustable set to be an optimized target; determining a charging / discharging plan of the electric automobile charging station the day before and an output plan of the adjustable set the day before; and (2) aiming at the renewable energy sources, load, electric automobile demanding and a short-period predicated result of the residual electric quantity at a remaining period in the day, and taking maximized absorption of the renewable energy sources at the remaining period of the current moment as a target, rolling to revise a charging / discharging plan of the electric automobile charging station in the day before. With the adoption of the method, the renewable energy sources can be absorbed to a certain extent and regulation and control pressure of an active power distribution network is alleviated; and the total operation cost of a system is reduced and economic and efficient comprehensive utilization of resources in the active power distribution network is realized.

Description

technical field [0001] The invention belongs to the field of distribution network operation optimization, and relates to a charging and discharging scheduling method for an electric vehicle swapping station that promotes the consumption of renewable energy. Background technique [0002] With the increasingly urgent problems of energy shortage and environmental pollution, my country has taken the use of renewable energy as an important measure for the sustainable development of energy in recent years. However, as the penetration rate of renewable energy in the distribution network gradually increases, the randomness and intermittent characteristics of its output will bring challenges to the dispatching and control of the distribution network. Especially in some areas, renewable energy The penetration rate of the grid is close to 100%. During the peak power generation period, a large amount of renewable energy may be sent back to the grid, which will have a great impact on the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J7/00B60L11/18G06Q10/06
CPCB60L53/64G06Q10/06H02J7/0027Y02T10/40Y02T10/70Y02T10/7072Y02T90/12
Inventor 任佳依顾伟高君刘海波曹戈
Owner SOUTHEAST UNIV
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