15KHZ/20KHZ Ultrasonic welding generator power supply During the welding process, due to the temperature, energy loss, welding area, welding head processing wear and other reasons of the welding load and ultrasonic acoustic system, the equivalent capacitance and resistance of the ultrasonic generator load will change with the work, which will cause the natural frequency of the ultrasonic acoustic system to drift. If the power frequency of the ultrasonic generator does not follow the change, It will cause the ultrasonic system to no longer work at the resonance point, reduce work efficiency, and exacerbate the loss of the transducer. Therefore, the ultrasonic generator must have a frequency tracking function to ensure that the frequency of the inverter trigger pulse in the ultrasonic generator follows the resonant frequency of the load.

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