Asynchronous motor operation parameter measuring method and device and computer equipment
A technology for asynchronous motors and operating parameters, applied in the estimation/correction of motor parameters, motor control, AC motor control, etc., can solve problems such as destroying the structure of asynchronous motors, affecting the accuracy of measurement results, and affecting the operation of asynchronous motors. Accurately Measured Effects
Active Publication Date: 2020-05-15
SHENZHEN CELIJIA CONTROL TECH
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Problems solved by technology
[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 invention relates to an asynchronous motor operation parameter measurement method and device, computer equipment and a storage medium. The method comprises the following steps: constructing an initial motor model comprising unknown model parameters for an asynchronous motor; carrying out multiple on-load tests on the asynchronous motor, and determining an optimal stator iron loss coefficient of the asynchronous motor, a parameter value of a magnetic flux slip relation parameter obtained by each test, and an output torque; substituting the parameter value and the output torque of the magnetic flux slip relation parameter tested each time into the initial motor model to obtain a model parameter value of an unknown model parameter in the initial motor model; substituting the model parameter values into the initial motor model to obtain a final motor model; obtaining real-time voltage and real-time current in the operation process of the asynchronous motor, and obtaining operation parameters of the asynchronous motor according to the real-time voltage, the real-time current, the 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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Login to View More 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