Patent · US Active

Multi-level inverter systems

US9595862B1 · kind B1 · utility

3Cited by

1References

20Claims

0Family size

Assignee

Futurewei Technologies, Inc. · US

Inventors

Dianbo Fu · Plano, US
Yunfeng Liu · Shanghai, CN

Key dates

Filing date	Nov 23, 2015
Grant date	Mar 14, 2017
Priority date	—
Expiry date	Nov 23, 2035

Classification

Technology area (CPC H)Electricity
CPC primaryH02M5/14
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A system comprises a first T-type inverter and a second T-type inverter connected to a dc power source and a first winding of a transformer, wherein the second T-type inverter is configured to operate with a first phase shift from the first T-type inverter, a third T-type inverter and a fourth T-type inverter connected to the dc power source and a second winding of the transformer, wherein the fourth T-type inverter is configured to operate with a second phase shift from the third T-type inverter and a fifth T-type inverter and a sixth T-type inverter connected to the dc power source and a third winding of the transformer, wherein the sixth T-type inverter is configured to operate with a third phase shift from the fifth T-type inverter.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.