18761351. Negative Reactance Synthesizer (City University of Hong Kong)

Negative Reactance Synthesizer

Organization Name

City University of Hong Kong

Inventor(s)

Chi Kong Tse of Hong Kong HK

Li Ding of Hong Kong HK

Negative Reactance Synthesizer

This abstract first appeared for US patent application 18761351 titled 'Negative Reactance Synthesizer

Original Abstract Submitted

The present invention provides a negative reactance synthesizer comprising: a DC power source; a first converter configured for shaping an input current under an AC input voltage that has a given peak value and converting a variable DC voltage to a fixed DC voltage; a second converter configured for converting the fixed DC voltage to a stack-up DC voltage being greater than the peak value of the AC input voltage and stacked on the AC input voltage to form the variable DC voltage; a first control circuitry configured to generate a first gate driver signal and a first complementary gate drive signal for controlling the first converter; and a second control circuitry configured to generate a second gate driver signal and a second complementary gate drive signal for controlling the second converter. The present invention provides a simple and low-cost solution to emulate a standalone negative reactance.