Energy distribution method and energy distribution device

A technology of energy distribution and system performance, applied in circuit devices, battery circuit devices, transportation and packaging, etc., can solve problems such as low battery life, large difference between peak and valley values ​​of load output, and too mechanical energy distribution mode. The effect of extending battery life and improving performance

Inactive Publication Date: 2014-12-03
SMART CITIES SYST SERVICES PRC
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Problems solved by technology

The energy distribution mode of this existing hybrid system is too mechanical to cope with complex practical application environments
In addition, the existing hybrid system has a large difference in peak and valley load output, resulting in poor overall system performance and low battery life

Method used

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  • Energy distribution method and energy distribution device
  • Energy distribution method and energy distribution device
  • Energy distribution method and energy distribution device

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Embodiment Construction

[0030] 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.

[0031] figure 2 Shown is a structural block diagram of an energy distribution device 200 of a hybrid energy storage system based on a power battery and a supercapacitor according to an embodiment of the present invention. Such as figure 2 As shown, the energy distribution device 200 includes: a building module 210, a forming module 220 coupled to the building module 210, a detection module 230 coupled to the forming module 220, a fuzzy decision module 240 coupled to the detection module 230, and a fuzzy decision module coupled to the fuzzy decision module 240 of the distribution module 250 .

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Abstract

The invention provides an energy distribution method which is used for a hybrid energy system based on a power battery and a super capacitor. The energy distribution method comprises the steps that a fuzzy set of at least three system performance indexes and a fuzzy set of at least one energy distribution index are respectively set; a fuzzy rule is formed, the at least three system performance indexes are adopted as the input quantity of the fuzzy rule, and the at least one energy distribution index is adopted as the output quantity of the fuzzy rule; the at least three system performance indexes are detected; the at least one energy distribution index is obtained through fuzzy judgment according to the at least three system performance indexes and the fuzzy rule; the energy proportion of the power battery and the super capacitor is distributed according to the at least one energy distribution index. According to the energy distribution method, the control strategy is perfected, and the aims of shifting peak loads, improving the performance of the whole system and prolonging the service life of the battery are achieved.

Description

technical field [0001] The invention relates to the technical field of hybrid energy systems, in particular to an energy distribution method and an energy distribution device for a hybrid energy system based on a power battery and a supercapacitor. Background technique [0002] In recent years, with the increasingly serious energy crisis and environmental problems, the fuel unsustainability and high pollution of traditional internal combustion engine vehicles have attracted more and more attention. Due to its advantages of energy saving, environmental protection, and high energy conversion efficiency, electric vehicles have received great attention from the industry and strong support from government departments. At present, one of the important reasons restricting the rapid development of electric vehicles is the short driving range. How to improve the power system discharge energy efficiency and energy storage utilization rate is of great significance to prolong the servic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J7/00
Inventor 林勇豪黄卜夫龚灼
Owner SMART CITIES SYST SERVICES PRC
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