Variable frequency motor stator fault detection system based on zero sequence voltage analysis and detection method thereof
A variable frequency motor and zero-sequence voltage technology, applied in the direction of motor generator testing, measuring electrical variables, measuring electricity, etc., can solve problems such as influence, detection signal stator asymmetry, etc., achieve simple demodulation, and realize the effect of real-time monitoring
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[0024] The specific implementation of the stator fault detection system of a variable frequency motor based on zero sequence voltage analysis of the present invention will be described in detail below with reference to the accompanying drawings.
[0025] Such as figure 1 As shown, the variable frequency motor stator fault detection system of the present invention includes a voltage acquisition unit, a signal conditioning unit, a control processing unit, a key input unit, a storage unit, a display unit, an alarm unit, and a communication unit. The voltage acquisition unit and the signal The conditioning unit and the control processing unit are connected in sequence, and the control processing unit is also connected to the key input unit, the storage unit, the display unit, the alarm unit, and the communication unit respectively; The motor stator fault detection system collects the zero-sequence voltage signal of the variable frequency motor, calculates the energy level, and judges...
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