Patent · US Active

Converter

US11784581B2 · kind B2 · utility

0Cited by

2References

10Claims

0Family size

Assignee

ABB Schweiz AG · CH

Inventors

Federico Bertoldi · Västerås, SE
Kalle Ilves · Hagfors, SE
Nan-Jang Chen · Taichung, TW

Key dates

Filing date	Dec 15, 2021
Grant date	Oct 10, 2023
Priority date	—
Expiry date	Dec 15, 2041

Classification

Technology area (CPC H)Electricity
CPC primaryH02M7/4837
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A converter and a method of operating a converter. The converter comprising a DC link capacitor, an upper arm (S1) and a lower arm (S4) with switching cells in series, an upper switch (S2) and a lower switch (S3). The upper switch (S2) and the lower switch (S3) are connected together and the connection point forming an output voltage terminal (a). The converter comprising further an upper valve component and a lower valve component, which are arranged such that the upper valve component allows current from the center point of the DC link capacitor towards the upper arm and the lower valve component allows current from the lower arm towards center point of the DC link capacitor. A current path through the upper valve component or the lower valve component comprises inductance to form a resonance circuit.

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