Bleeder current control circuit, control method and distortion signal processing method

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United States of America

PATENT NO 12267924
SERIAL NO

17951903

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Abstract

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A bleeder current control method. The bleeder current control method includes the following steps: The rectifier bridge transmits a post-bridge input signal to the power system. The shaping circuit obtains the post-bridge input signal and shapes it into a bleeder current reference signal, the bleeder current reference signal is inversely correlated with the initial post-bridge input signal. Acquiring a current sampling signal representing the bleeder current, and comparing the error of the current sampling signal with the bleeder current reference signal to obtain an error signal. The current sampling signal is controlled according to the error signal, so that the current sampling signal is output based on the waveform of the bleeder current reference signal. Thus, a reliable and full-time sine wave envelope signal is provided to the power system, so as to reduce the loss caused by the bleeder current to the power system.

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Patent Owner(s)

  • SHENZHEN KIWI INSTRUMENTS CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Jin, Weixiang Shenzhen, CN 3 1
Lin, Guanqiu Shenzhen, CN 3 0
Yu, Xiufeng Shenzhen, CN 6 1

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