Patent · US Active

Power converter and method of controlling a power converter

US11223294B2 · kind B2 · utility

0Cited by

2References

18Claims

0Family size

Assignee

ELTEK AS · NO

Inventors

Nils Backman · Stockholm, SE
Roberto Rojas · Stockholm, SE

Key dates

Filing date	Dec 20, 2019
Grant date	Jan 11, 2022
Priority date	—
Expiry date	Jan 30, 2040

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02B70/10
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

The present disclosure provides to a power converter including an AC input terminal (ACin), a neutral terminal (N), an AC output terminal (ACout), an AC/DC converter circuit (210) connected between the AC input terminal, a positive DC terminal (DCP), and a negative DC terminal (DCN), a DC capacitor (C15) connected between the positive DC terminal (DCP) and the negative DC terminal (DCN), a line frequency commutated neutral circuit (220) connected between the positive DC terminal (DCP), the negative DC terminal (DCN), and the neutral terminal (N), and a DC/AC converter circuit (230) connected between the positive DC terminal (DCP), the negative DC terminal (DCN), the AC output terminal (ACout), and the neutral terminal (N). The power converter further includes an auxiliary converter circuit (240) connected between the positive DC terminal (DCP), the negative DC terminal (DCN), and the neutral terminal (N).

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