Patent ID: 9419542
Filing Date: 2016-08-16
CPC Classification: H02M

Claim Text:
1. An inverter device that receives input of a direct-current voltage through a first input terminal and a second input terminal and outputs an alternating-current voltage through a first output terminal and a second output terminal, the inverter device comprising: a three-level inverter circuit including: a bridge circuit including first, second, third, and fourth rear-stage switches which are bridge-connected to first, second, third, and fourth terminals, the first terminal of the bridge circuit being connected to a connection point of the second front-stage switch and the third front-stage switch, the second terminal of the bridge circuit being connected to the second input terminal, the third terminal of the bridge circuit being connected to the first output terminal, and the fourth terminal of the bridge circuit being connected to the second output terminal; and at least one inductor configured to perform a smoothing action.