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Motor system control method, motor control device and motor system

A control method and motor control technology, applied in the field of motor system control method, motor control device and motor system

Pending Publication Date: 2022-07-29
XPT NANJING E POWERTRAIN TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, most electric vehicles use the method of adding positive temperature coefficient (PTC) heating resistance wire to heat the battery, which in turn generates additional costs and parts procurement requirements

Method used

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  • Motor system control method, motor control device and motor system
  • Motor system control method, motor control device and motor system
  • Motor system control method, motor control device and motor system

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Embodiment Construction

[0030] Certain terms are used in the specification and the following claims to refer to particular components. It should be understood by those skilled in the art that hardware manufacturers may refer to the same component by different nouns. The present specification and the following claims do not use the difference in name as a way to distinguish components, but use the difference in function of the components as a criterion for distinguishing. References to "including" throughout the specification and the following claims are open-ended terms and should be interpreted as "including but not limited to". Furthermore, the term "coupled" is used herein to include any direct and indirect means of electrical connection. Therefore, if it is described herein that the first device is coupled to the second device, it means that the first device can be directly electrically connected to the second device, or indirectly electrically connected to the second device through other device...

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Abstract

The invention discloses a control method of a motor system. The control method comprises the steps that the battery temperature of a battery is detected; determining whether the battery temperature is less than a threshold temperature; when it is judged that the battery temperature is smaller than the threshold temperature, a heating request signal is generated to control the motor system to execute a battery heating program.

Description

technical field [0001] The invention relates to a control method of a motor system, a motor control device and a motor system, in particular to a control method, a motor control device and a motor system for an active balanced heating function of an asynchronous motor system based on an electric vehicle. Background technique [0002] The technology of electric vehicles is becoming more and more mature. When the electric vehicle is used in a cold charging environment, due to the characteristics of the battery, it is necessary to heat the battery to a suitable operating temperature to achieve the best use conditions. At present, most electric vehicles use positive temperature coefficient (PTC) heating resistance wires to heat the batteries, which in turn generates additional costs and parts procurement requirements. Therefore, how to achieve the purpose of heating the battery without increasing the original manufacturing cost has become one of the issues that the industry pays...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60L58/27B60L58/24B60L15/20
CPCB60L58/27B60L58/24B60L15/20B60L2220/12B60L2240/545B60L2240/425H01M10/615H01M10/625H01M10/657H01M10/66H01M2220/20H01M10/6571B60L50/51B60L50/60H01M10/667H02K17/12B60L2220/14
Inventor 邵路毕路赵艳郑力夫
Owner XPT NANJING E POWERTRAIN TECH CO LTD
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