TRANSFORMERLESS DC/AC CONVERTER
A method for generating an AC power signal using a DC/AC converter having no transformer comprises the steps of: conducting a current from an input DC power supply to a first inductor circuit by controlling a first switch, a second switch, and a third switch so as to connect the first inductor circu...
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Format: | Patent |
Sprache: | eng ; kor |
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Zusammenfassung: | A method for generating an AC power signal using a DC/AC converter having no transformer comprises the steps of: conducting a current from an input DC power supply to a first inductor circuit by controlling a first switch, a second switch, and a third switch so as to connect the first inductor circuit to the input DC power supply; separating the first inductor circuit from the input DC power supply so as to generate at least a part of a first half cycle of the AC power signal at an output node, and causing a current not to pass through the first inductor circuit by controlling the first switch, the second switch, and the third switch so as to connect the first inductor circuit to the output node; conducting a current from the input DC power supply to a second inductor circuit by controlling a fourth switch, a fifth switch, and a sixth switch so as to connect the second inductor circuit to the input DC power supply; and separating the second inductor circuit from the input DC power supply so as to generate at least a part of a second half cycle of the AC power signal at the output node, and causing a current not to pass through the second inductor circuit by controlling the fourth switch, the fifth switch, and the sixth switch so as to connect the second inductor circuit to the output node. |
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