| 主权项 |
1. A device for producing an alternating current output voltage from a high-frequency, square-wave input voltage comprising:
a. a high-frequency, square-wave input, a matrix converter, and a control system; b. said high-frequency, square-wave input comprising a first port and a second port; c. said matrix converter comprising a first input port, a second input port, a plurality of electrical switches, and an output; d. said first port of said high-frequency input electrically connected to said first port of said matrix converter; e. said second port of said high-frequency input electrically connected to said second port of said matrix converter; f. said control system connected to each said electrical switch of said matrix converter; said control system comprising a voltage detector electrically connected to said first input of said matrix converter and said second input of said matrix converter; g. said control system configured to operate each said electrical switch of said matrix converter converting a high-frequency, square-wave input voltage across said first input port of said matrix converter and said second input port of said matrix converter to an alternating current output voltage at said output of said matrix converter; said alternating current output have a frequency less than the frequency of said high-frequency, square-wave input voltage; h. a matrix voltage clamp; i. said matrix voltage clamp comprising a first port and a second port; j. said matrix voltage clamp limiting the voltage across said first port of said matrix voltage clamp and said second port of said matrix voltage clamp to a predetermined maximum voltage; k. said first port of said matrix voltage clamp, said first port of said high-frequency input, and said first port of said matrix converter electrically connected to each other; and l. said second port of said matrix voltage clamp, said second port of said high-frequency input, and said second port of said matrix converter electrical connected to each other; m. wherein said matrix voltage clamp is a passive clamp comprising:
i. a first diode, a first capacitor, a second diode, and a second capacitor;ii. said first diode of said matrix voltage clamp and said first capacitor of said matrix voltage clamp electrically connected in series across said first port of said matrix voltage clamp and said second sort of said matrix voltage clamp;iii. said second diode of said matrix voltage clamp and said second capacitor of said matrix voltage clamp electrically connected in series across said first port of said matrix voltage clamp and said second port of said matrix voltage clamp; andiv. said second diode electrically connected in the polarity reversed from the polarity of said first diode across said first port of said matrix voltage clamp and said second port of said matrix voltage clamp. |
