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Energy management method and system of new energy electric vehicle storage battery hybrid power supply

A composite power supply and energy management technology, applied in battery/battery traction, electric vehicles, battery/fuel cell control devices, etc., can solve the problems of short driving range of electric vehicles, easy aging of batteries, low energy recovery efficiency, etc. Achieve the effect of improving energy utilization rate and driving range

Pending Publication Date: 2022-05-03
HUNAN CITY UNIV
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  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to provide an energy management method and system for a new energy electric vehicle battery composite power supply, which can solve the defects of the current electric vehicle such as short driving range, easy aging of the battery, poor climbing ability, and low energy recovery efficiency

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  • Energy management method and system of new energy electric vehicle storage battery hybrid power supply
  • Energy management method and system of new energy electric vehicle storage battery hybrid power supply
  • Energy management method and system of new energy electric vehicle storage battery hybrid power supply

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Embodiment Construction

[0030] The specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, but it should be understood that the protection scope of the present invention is not limited by the specific embodiments.

[0031] Unless expressly stated otherwise, throughout the specification and claims, the term "comprise" or variations thereof such as "includes" or "includes" and the like will be understood to include the stated elements or constituents, and not Other elements or other components are not excluded.

[0032] Such as figure 1 and Figure 4 As shown, according to a preferred embodiment of the present invention, a new energy electric vehicle battery composite power supply energy management method, wherein the method includes the following steps:

[0033] Research the overall structure of the new energy electric vehicle battery composite power supply system for new energy electric vehicles, and divide it into multiple sub-...

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Abstract

The invention belongs to the technical field of new energy electric vehicles, and particularly discloses an energy management method and system for a new energy electric vehicle storage battery composite power supply, and the method comprises the following steps: carrying out the research of the overall structure of a new energy electric vehicle storage battery composite power supply system; dividing the module into a plurality of sub-modules for design; super capacitor parameters are selected and optimized according to the actual situation of the electric vehicle, a new energy electric vehicle storage battery composite power system structure is built, and software and hardware design of a control system is carried out; and establishing a mathematical model of the composite power supply system, designing an energy management method of the composite power supply system, performing optimization, and determining a final energy management method of the composite power supply system. The scheme improves the energy utilization rate of the hybrid power supply. The storage battery can be protected, the driving range of the electric vehicle can be increased, and early-stage preparation work is made for the hybrid power supply new energy electric vehicle to go to the market.

Description

technical field [0001] The invention belongs to the technical field of new energy electric vehicles, and in particular relates to an energy management method and system for a battery composite power supply of new energy electric vehicles. Background technique [0002] Ultracapacitor (Ultracapacitor) is a new type of energy storage element developed recently between batteries and electrostatic capacitors. It is a physical secondary power supply with super storage capacity and strong pulsating power. It has a much higher energy density than an electrostatic capacitor and a much higher power density than a battery. Its capacity can reach tens of thousands of farads. It can be charged to any voltage value at a very fast speed within the rated voltage range. It can release all the stored electric energy, and there is no problem of damage caused by rapid charging and discharging of the battery. It is very suitable for short-term high-power applications. Utilizing its advantages o...

Claims

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Application Information

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IPC IPC(8): B60L50/40B60L50/60B60L58/10
CPCB60L50/40B60L50/60B60L58/10Y02T10/70
Inventor 戴作财阳同光张光富周莎黄志亮李航洋邹丽红王衍鹏
Owner HUNAN CITY UNIV
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