US 2010/0149846 A1 · INVERTER CIRCUIT HAVING RELATIVELY HIGHER EFFICIENCY

Abstract

The configurations of an inverter circuit are provided in the present invention. The proposed circuit includes a first bridge arm having a first sub-bridge arm with a first switch and a first middle point coupled to the first switch, and a second sub-bridge arm with a second switch and a second middle point coupled to the second switch, a first inductor having a first terminal coupled to the first middle point and a second terminal, and a second inductor having a first terminal coupled to the second middle point, and a second terminal coupled to the second terminal of the first inductor and outputting an AC voltage.

Claims18

Dependent claims

An inverter circuit, comprising:

a first bridge arm having:
a first sub-bridge arm having a first switch, a first diode, and a first middle point coupled to the first switch and the first diode;
and
a second sub-bridge arm having a second switch, a second diode;
and a second middle point coupled to the second switch and the second diode;
a first inductor having a first terminal coupled to the first middle point, and a second terminal;
and
a second inductor having a first terminal coupled to the second middle point, and a second terminal coupled to the second terminal of the first inductor and outputting an AC voltage.

5 more elements

An inverter circuit, comprising:

a first bridge arm having:
a first sub-bridge arm having a first switch, and a first middle point coupled to the first switch;
and
a second sub-bridge arm having a second switch, and a second middle point coupled to the second switch;
a first inductor having a first terminal coupled to the first middle point, and a second terminal;
and
a second inductor having a first terminal coupled to the second middle point, and a second terminal coupled to the second terminal of the first inductor and outputting an AC voltage.

4 more elements

An inverter circuit, comprising:

a first bridge arm having:
a first sub-bridge arm having:
a first switch;
and
a first middle point coupled to the first switch;
and
a second sub-bridge arm having:
a second switch;
and
a second middle point coupled to the second switch;
a first inductor having a first terminal coupled to the first middle point, and a second terminal;
a second inductor having a first terminal coupled to the second middle point, and a second terminal coupled to the second terminal of the first inductor;
and
a third inductor having a first terminal coupled to the second terminal of the second inductor, and a second terminal outputting an AC voltage.

11 more elements

Dependencies are inferred from the claim text.

Inverter circuit having relatively higher efficiency

Life of this patent

Inverter circuit having relatively higher efficiency

Life of this patent

Abstract

Claims18