Method, device and computer equipment for measuring operating parameters of asynchronous motor
A technology for asynchronous motors and operating parameters, which is applied in the estimation/correction of motor parameters, motor control, AC motor control, etc. The effect of accurate measurement
Active Publication Date: 2021-12-17
SHENZHEN CELIJIA CONTROL TECH
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[0003] In the traditional method, the measurement is carried out by installing a speed sensor. However, the installation of the speed sensor will destroy the structure of the asynchronous motor, which will have a certain impact on the operation of the asynchronous motor, thus affecting the accuracy of the measurement results.
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[0054] In order to make the purpose, technical solution and advantages of the present application clearer, the present application 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 application, and are not intended to limit the present application.
[0055] The method for measuring the operating parameters of the asynchronous motor provided by this application can be applied to such as figure 1 shown in the application environment. Wherein, the terminal 102 is used to obtain the parameters required for measuring the operating parameters of the asynchronous motor from the asynchronous motor parameter measuring device 104, such as: real-time voltage, real-time current, and the like. The asynchronous motor parameter measuring device 104 is used to measure the parameters required for measuring the operating parameters of ...
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The application relates to a method, device, computer equipment and storage medium for measuring operating parameters of an asynchronous motor. The method includes: constructing an initial motor model including unknown model parameters for the asynchronous motor; performing multiple load tests on the asynchronous motor to determine the optimal stator iron loss coefficient of the asynchronous motor and the parameters of the magnetic flux slip relationship parameters obtained by each test value, and output torque; the parameter value and output torque of the magnetic flux slip relation parameter of each test are respectively brought into the initial motor model to obtain the model parameter value of the unknown model parameter in the initial motor model; the model parameter value Substitute into the initial motor model to obtain the final motor model; obtain the real-time voltage and real-time current during the operation of the asynchronous motor, and obtain the operating parameters of the asynchronous motor according to the real-time voltage, real-time current, optimal stator iron loss coefficient and the motor model. The method can accurately measure the operating parameters of the asynchronous motor.
Description
technical field [0001] The present application relates to the technical field of asynchronous motor control, in particular to a method, device, computer equipment and storage medium for measuring operating parameters of an asynchronous motor. Background technique [0002] With the development of asynchronous motor control technology, asynchronous motor operating parameter measurement technology has emerged. This technology can realize the measurement of the operating parameters of the asynchronous motor (such as: speed, output mechanical power, etc.), so as to facilitate the control of the asynchronous motor. [0003] In the traditional method, the measurement is carried out by installing a speed sensor. However, the installation of the speed sensor will destroy the structure of the asynchronous motor, which will have a certain impact on the operation of the asynchronous motor, thus affecting the accuracy of the measurement results. Contents of the invention [0004] Base...
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IPC IPC(8): H02P23/14H02P25/02
CPCH02P23/14H02P25/02H02P2207/01
Inventor 吴邦春魏勇超周航宇魏勇豪李少兵
Owner SHENZHEN CELIJIA CONTROL TECH