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Propelling system and energy management system and method

An energy management system and energy-based technology, applied in the field of energy management systems, can solve the problems of low utilization rate of energy-type power supply and power-type power supply, and low efficiency of vehicle drive system, so as to improve energy utilization efficiency, reduce energy loss, increase The effect of driving distance

Active Publication Date: 2016-07-06
GENERAL ELECTRIC CO
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Under this energy management method, the utilization rate of energy-type power supply and power-type power supply is low, and the efficiency of vehicle drive system is low

Method used

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  • Propelling system and energy management system and method
  • Propelling system and energy management system and method
  • Propelling system and energy management system and method

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Embodiment Construction

[0034] Specific implementations of the present invention will be described below. It should be noted that in the process of specific descriptions of these implementations, for the sake of concise description, it is impossible for this specification to describe all the features of the actual implementations in detail. It should be understood that, in the actual implementation process of any embodiment, just like in the process of any engineering project or design project, in order to achieve the developer's specific goals and to meet system-related or business-related constraints, Often a variety of specific decisions are made, and this can vary from one implementation to another. In addition, it will be appreciated that while such development efforts may be complex and lengthy, the technology disclosed in this disclosure will be Some design, manufacturing or production changes based on the content are just conventional technical means, and should not be interpreted as insuffic...

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Abstract

The invention relates to a propelling system and an energy management system and method. The energy management system comprises a first electric energy convertor provided with one or more first bridge arm circuits, a second electric energy convertor provided with one or more second bridge arm circuits and a control device. The one or more first bridge arm circuits are electrically coupled with an energy type power source. The one or more second bridge arm circuits are electrically coupled with a power type power source. The control device is used for controlling the first electric energy convertor and the second electric energy convertor to work under at least two following conditions when a traction device is in a drive mode, wherein under one condition, when the positive required power of the traction device is smaller than or equal to the positive threshold power, part of or all the first bridge arm circuits in the first electric energy convertor start to be used, and all the second bridge arm circuits in the second electric energy convertor are forbidden to be used; and under the other condition, when the positive required power is larger than the positive threshold power, part of or all the first bridge arm circuits in the first electric energy convertor start to be used, and part of or all the second bridge arm circuits in the second electric energy convertor start to be used. The invention further provides the energy management method and the propelling system.

Description

technical field [0001] The invention relates to a propulsion system, in particular to a propulsion system, an energy management system and a method including an energy-type power supply and a power-type power supply to provide power to a vehicle. Background technique [0002] Energy-type power sources (such as batteries) and power-type power sources (such as supercapacitors) are generally used in electric vehicles or hybrid vehicles to provide power to traction devices and capture regenerative energy. In the driving mode of the vehicle (for example, when stepping on the accelerator to accelerate), the energy-type power supply cannot provide high power in an instant, but the power-type power supply can provide high power in an instant, so it can meet the instantaneous high-power demand of the vehicle. In the regenerative braking mode of the vehicle (such as braking and deceleration), the energy-type power supply cannot absorb energy quickly and has low efficiency due to large...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60L11/18
CPCB60L2240/423B60L2240/547B60L50/40B60L58/20B60L7/16Y02T10/64Y02T10/70
Inventor 高金萍邱海赵彤许飞佘宏武
Owner GENERAL ELECTRIC CO
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