Stabilized Power Supply Utilizing Resonance Circuit Driven by Carrier Modulated Both in Frequency And Amplitude

Implementation of the priactical PWM controller provided with both the frequency modulation input and the amplitude modulation input is configured. The error voltage, which is the voltage difference between the output voltage and the reference voltage of the power supply, is fed back to both the fre...

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1. Verfasser: Imori Masatosi
Format: Patent
Sprache:eng
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Zusammenfassung:Implementation of the priactical PWM controller provided with both the frequency modulation input and the amplitude modulation input is configured. The error voltage, which is the voltage difference between the output voltage and the reference voltage of the power supply, is fed back to both the frequency and the amplitude of the carrier. Integral of the error voltage is fed back to the frequency through the frequency modulation input of the PWM controller, which stabilizes the feedback to the frequency. Proportional of the error voltage and the output current of the power supply is fed back to the amplitude through the amplitude modulation input. The output current, considered to be differential of the output voltage and then the error voltage, sets the base line of the amplitude which is modulated by the proportional of the error voltage. The mutual rekation control the base line of the amplitude so that the frequency of the carrier can track the optimal frequency.