Patent · US Active

Drive system with energy store and method for operating a drive system

US9577564B2 · kind B2 · utility

5Cited by

2References

26Claims

0Family size

Assignee

SEW-EURODRIVE GMBH & CO. KG · DE

Inventors

Sebastian Schiffmann · Kronau, DE
Josef Schmidt · Graben-Neudorf, DE
Matthias Hauck · Schwetzingen, DE
Christian Lampert · Bruchsal, DE
Daniel Tritschler · Bruchsal, DE
Thomas Zöller · Bruchsal, DE

Key dates

Filing date	Jan 28, 2013
Grant date	Feb 21, 2017
Priority date	—
Expiry date	Jul 17, 2033

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02T10/70
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A drive system with energy store and method for operating a drive system, an inverter powering an electric motor, the inverter being supplied from a unipolar DC-link voltage, an energy store being connected in parallel to the inverter, in particular, a film capacitor being connected in parallel to the inverter, the DC-link voltage being generated by a DC/DC converter which is supplied from an AC/DC converter, especially a rectifier, in particular, an electric current being able to be supplied to the DC link by the DC/DC converter.

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