Power Transformer Active Noise Reduction System and Working Method
A technology of power transformers and noise reduction systems, applied in the direction of transformer/inductor noise damping, etc., can solve the problems of transformers polluting the environment, endangering human health, affecting the normal operation of equipment, etc., achieving good active noise reduction and improving accuracy Effect
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[0026] Below in conjunction with accompanying drawing and embodiment the present invention will be further described:
[0027] Such as figure 1 As shown, the power transformer active noise reduction system includes: a microphone, the microphone is connected to a pre-power amplifier, and the pre-power amplifier is connected to the acquisition channel of the data acquisition card, and the data acquisition card A / D is sent to the control unit after conversion, and the output end of the control unit is connected to the rear power amplifier through the output channel of the data acquisition card, and the output end of the rear power amplifier is connected to the sound box; the control unit is connected to the display screen;
[0028] The control unit includes a data acquisition module, the input port of the data acquisition module is connected to the data acquisition card, the output end of the data acquisition module is connected to a data storage module, a data analysis module a...
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