Identification Method of Stator and Rotor Mutual Inductance Parameters of Wound Motor
A parameter identification and motor technology, which is applied in motor generator control, electronic commutation motor control, and generator control. , the calculation is simple, the effect of saving tedious work
Active Publication Date: 2016-01-13
扬州百发机电有限公司
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Therefore, the identification time of the existing technology is long, the workload is large, and it is easily affected by the subjective factors of the operator, and most of the use sites do not have such actual measurement conditions, which increases the difficulty of the application of vector control
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[0015] Such as figure 1 shown. The stator-rotor mutual inductance parameter identification system of a wound motor of the present invention includes a stator current control unit 101, a power drive unit 102, a stator winding 103 of a wound motor, a rotor winding 104 of a wound motor, a voltage sensor 105 and an identification unit 106, wherein The output end of the stator current control unit 101 is respectively connected with the input end of the power drive unit 102 and an input end of the identification unit 106, and the output end of the power drive unit 102 is connected with the input end of the stator winding 103 of the wound type motor. The output terminal of the rotor winding 104 is connected to the input terminal of the voltage sensor 105 , and the output terminal of the voltage sensor 105 is connected to the other input terminal of the identification unit 106 .
[0016] combine figure 1 Describe the stator-rotor mutual inductance parameter identification method of ...
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The invention discloses a wound type motor stator and rotor mutual inductance parameter identification method, and pertains to wound type motor parameter identification methods. According to the invention, a wound type motor rotor winding is caused to be in the open-circuit condition; a stator current control unit is adopted to output a stator q-axis current of 0, wherein the stator d-axis current is a control signal of a ramp signal; a power driving unit is adopted to receive the control signal to output a driving current; a wound type motor stator winding is adopted to receive the driving current; a voltage sensor is adopted to measure the wound type motor rotor winding to obtain a rotor d-axis voltage signal; and an identification unit is adopted to receive the control signal and the rotor d-axis voltage signal, and the rotor d-axis voltage is divided by the slope of the stator d-axis current to obtain stator and rotor mutual inductance parameters. According to the invention, the cockamamie manual identification work and errors caused by the cockamamie manual identification work can be eliminated, and advantages of simple calculation and less identification time can be realized.
Description
technical field [0001] The invention relates to a method for identifying parameters of a wound motor, in particular to a method for identifying mutual inductance parameters of a stator and rotor of a wound motor. Background technique [0002] Wound motors are widely used in hoists, cranes, tower cranes and other places that require heavy load starting and speed regulation. The vector control technology can make the wound motor obtain the same transient response characteristics as the separately excited DC motor, realize the rapid response to the load disturbance and the reference value change, and has been widely used. The analysis of operating characteristics of wound motor vector control and the design of high-performance control system require accurate knowledge of the stator and rotor mutual inductance parameters of wound motor. However, manufacturers generally do not provide stator and rotor mutual inductance parameters. Even if the manufacturer can provide it, due to...
Claims
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IPC IPC(8): H02P21/16
Inventor 张懿魏海峰冯友兵
Owner 扬州百发机电有限公司