Power abnormal failure data analyzing device and diagnosing method
A technology of fault data and analysis device, applied in fault location, biological neural network model, etc., can solve problems such as unsatisfactory diagnostic accuracy, inability to diagnose novel faults, and difficulty in determining the fuzzy relationship between faults and symptoms
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[0060] The present invention utilizes the voltage sensor installed on the power equipment to connect the signal acquisition unit, and the signal processor is DSPIC30F6010A.
[0061] The device (such as figure 1 , shown in 2), including a signal acquisition unit, a rotating capacitor filter circuit, a signal processor, a power module, a communication module and an upper computer, the signal acquisition unit performs signal acquisition, and the signal acquisition unit includes a first-stage operational amplifier (AMP1A), The second-stage inverting proportional operational amplifier (AMP1B), the third-stage operational amplifier (AMP1D), resistors, capacitors and diodes; the rotating capacitor filter circuit includes resistors, the fourth-stage operational amplifier (AMP1C), the fifth-stage operational amplifier ( AMP2C), RC circuit, second double pole double throw electronic switch (S2), third double pole double throw electronic switch (S3), fourth double pole double throw elect...
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