Fault detection device and method of asynchronous motor
A fault detection and motor technology, applied in the direction of motor generator testing, etc., can solve the problems of high cost of vibration sensors, unfavorable fault detection and maintenance of asynchronous motors, and inability to accurately and reliably distinguish fault types.
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[0031] For the convenience of description, the present invention will be further explained in conjunction with the drawings and specific embodiments.
[0032] The fault detection device of the asynchronous motor of the present invention comprises: 3 voltage acquisition instruments for voltage signal acquisition, preferably adopt voltage converter; For the current acquisition instrument of current acquisition, preferably adopt clamp ammeter; The instrument is connected with the signal acquisition system. The signal acquisition system preferably adopts signal acquisition and analog-to-digital conversion card. The motor operation parameter signal obtained from the signal acquisition system is transmitted to the fault analysis and processing system. The single-chip microcomputer of fault detection software or the core circuit board that is configured with ARM processor, and this core circuit board is preferably such as figure 1 The shown embedded hardware platform based on ARM mic...
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