A motor torque ripple test bench and test method
A technology for test testing and motor torque, used in motor generator testing, torque measurement, measuring devices, etc., can solve the problems of narrow test range, few factors to consider, large errors, etc., to meet the measurement and expansion of high-frequency area. Measurement range, the effect of expanding the test range
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[0033] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments. This example takes a 3.6kW permanent magnet synchronous motor as an example to illustrate the establishment and testing process of the torque ripple test system.
[0034] combine Figure 1-3 As shown, a kind of motor torque ripple test bench of the present invention comprises: motor controller, power supply, power analyzer, host computer, signal acquisition system, tested motor 1, eddy current displacement sensor 2, angular acceleration sensor 3. Torque sensor 4, synchronous belt transmission structure 5, stepping motor 6, elastic coupling, flywheel 7, dynamometer 8, brake 9 and elastic coupling 10.
[0035] The motor 1 under test includes a rotor shaft A;
[0036] The synchronous belt transmission structure includes a large pulley, a small pulley and a synchronous belt, and the synchronous belt transmission connects the large pulley and the ...
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