Charging control method for energy-storage charging station
A charging control method and charging station technology, which can be applied to battery circuit devices, current collectors, electric vehicles, etc., and can solve problems such as small distribution network capacity that cannot meet the charging demand of charging stations, grid load impact, etc.
Active Publication Date: 2015-06-03
SHENZHEN CLOU ELECTRONICS
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Problems solved by technology
When there are many large-capacity electric vehicles in the charging station for high-power fast charging, the existing distribution network capacity is too small to meet the charging demand in the charging station, and will have an impact on the grid load
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[0018] 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 accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0019] A charging control method for an energy storage charging station, which is used for correspondingly controlling the charging process according to the total power demand of the energy storage charging station and the load capacity of a distribution network. In this embodiment, the energy storage charging station is an energy storage charging station integrating wind, wind, storage and charging, and its structure is as follows figure 1 shown. The energy storage charging station includes a charging terminal and an energy supply system. Wherein, the charging terminal is used to charge the vehi...
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The invention relates to a charging control method for an energy-storage charging station. The method comprises the following steps: receiving a charging request from a vehicle; calculating current total power demand of the energy-storage charging station; judging whether the total power demand is higher than current load capacity of a power distribution network or not; controlling the energy-storage charging station to enter a pure-power-grid power supplying mode if the total power demand is not higher than the current load capacity of the power distribution network, and supplying power to a charging terminal and an energy storage system in the energy-storage charging station by the power distribution network; judging whether the current load capacity of the power distribution network is higher than a minimum load threshold or not if the total power demand is higher than the current load capacity of the power distribution network; judging whether the electric quantity of the energy storage system in the energy-storage charging station is greater than a first electric quantity or not if the current load capacity of the power distribution network is higher than the minimum load threshold; controlling the energy-storage charging station to enter a partial-dependency power supplying mode if the electric quantity of the energy storage system is greater than the first electric quantity, and supplying power to the charging terminal in the energy-storage charging station jointly by the energy storage system and the power distribution network. The charging control method for the energy-storage charging station has the advantage that the load impact on the power grid during charging can be effectively lowered.
Description
technical field [0001] The invention relates to the technical field of electric vehicle charging stations, in particular to a charging control method for an energy storage charging station. Background technique [0002] With the development of electric vehicles, the number of electric vehicles is increasing rapidly. As the energy supply station of electric vehicles, the power demand of charging stations is also increasing. When there are many large-capacity electric vehicles in the charging station for high-power fast charging, the existing distribution network capacity is too small to meet the charging demand in the charging station, and will have an impact on the grid load. Contents of the invention [0003] Based on this, it is necessary to address the above problems and provide a charging control method for an energy storage charging station that can effectively reduce the load impact on the power grid during the charging process. [0004] A charging control method fo...
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IPC IPC(8): H02J7/35
CPCH02J7/35
Inventor 叶晓薇杨凯乐
Owner SHENZHEN CLOU ELECTRONICS
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