Patent · US Active

Converter for powering electric motor

US8804384B2 · kind B2 · utility

0Cited by

14References

7Claims

0Family size

Assignee

SEW-EURODRIVE GMBH & CO. KG · DE

Inventors

Thomas Schuster · Ottenbach, DE
Harald Wolf · Darmstadt, DE

Key dates

Filing date	Nov 23, 2004
Grant date	Aug 12, 2014
Priority date	—
Expiry date	Aug 1, 2026

Classification

Technology area (CPC H)Electricity
CPC primaryH02P2205/01
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A converter includes at least device(s) for sensing the currents fed to the electric motor powered by the converter, the device(s) for current detection being arranged inside the converter, and the signals of the device(s) being fed to a nonlinear filter, whose output signals are fed to an additional filter that is connected to an analog-to-digital converter.

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