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Motor parameter determination method, device, electrical system, storage medium and processor

A technology for motor parameters and determination methods, which is applied in the direction of electromechanical devices, control electromechanical transmission devices, control systems, etc., can solve the problem of low accuracy and achieve the effect of improving accuracy

Active Publication Date: 2022-02-25
GREE ELECTRIC APPLIANCES INC
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to address the above defects, to provide a motor parameter determination method, device, electrical system, storage medium and processor to solve the problem of low accuracy in identifying motor parameters using the rational model of the motor, and to improve the accuracy of motor parameters. The effect of the accuracy of the motor parameter determination

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  • Motor parameter determination method, device, electrical system, storage medium and processor
  • Motor parameter determination method, device, electrical system, storage medium and processor
  • Motor parameter determination method, device, electrical system, storage medium and processor

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Embodiment Construction

[0060] In order to make the objects, technical solutions, and advantages of the present invention, the technical solutions of the present invention will be described in conjunction with the specific embodiments and appended claims. Obviously, the described embodiments are merely embodiments of the invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art are in the range of the present invention without making creative labor premise.

[0061] According to an embodiment of the present invention, a motor parameter determination method is provided. This method can be applied to a permanent magnet synchronous motor. The permanent magnet synchronous motor can be applied to air conditioning, washing machine, refrigerator, etc., or the inverter itself adopts this scheme. The motor parameter determines that the motor parameters may include: the inductance parameters of the motor. The motor...

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Abstract

The invention discloses a motor parameter determination method, device, electrical system, storage medium and processor. The method includes: when the motor is stationary, applying a set pulse voltage to the motor to determine the inductance parameter of the motor, so as to The inductance parameters under different currents obtain the corresponding relationship between inductance and current; wherein, in the set pulse voltage, the voltage amplitude is greater than or equal to the set amplitude, and the duration of action is less than or equal to the set duration; the motor parameters , including: the inductance parameters of the motor; the inductance parameters include: direct-axis inductance and quadrature-axis inductance; the direct-axis inductance includes: direct-axis static inductance and direct-axis dynamic inductance; the quadrature-axis inductance includes: alternating Axis static inductance and quadrature axis dynamic inductance. The solution of the present invention can solve the problem of low accuracy in identifying motor parameters using a rational model of the motor, and achieve the effect of improving the accuracy of determining motor parameters.

Description

Technical field [0001] The present invention belongs to the technical field of motor, and more particularly to a motor parameter determination method, device, electrical system, storage medium, and processor, and more particularly to a permanent magnet synchronous motor parameter identification method, device, air conditioning system, refrigerator, washing machine, etc. Magnetic synchronous motor home appliance, storage medium, and processor. Background technique [0002] Permanent magnet synchronous motor, high-power density, wide-speed range, high efficiency, small size, reliable size, and reliable in response, and is widely used in exchange-driven sites such as household appliances, CNC machine tools, industrial robots, electric vehicles and aerospace equipment. Applications. [0003] In order to achieve high performance control, the permanent magnet synchronous motor is running, the motor parameters are required. In some motor parameters, most of the ideal models are consider...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02P21/14H02P21/18H02P21/32H02P25/024H02P27/08
CPCH02P21/14H02P21/141H02P21/32H02P25/024H02P2207/05H02K2213/03
Inventor 刘涛陶海莉黄伟
Owner GREE ELECTRIC APPLIANCES INC