Patent · US Active

Electric machine

US11171592B2 · kind B2 · utility

0Cited by

0References

17Claims

0Family size

Assignee

Siemens Aktiengesellschaft · DE

Inventors

Sven Ludwig Kellner · Erlangen, DE
Luca Silvio Rattaro · Erlangen, DE
Thilo Weigel · Nuremberg, DE
Ingo Geier · Cadolzburg, DE

Key dates

Filing date	Sep 18, 2018
Grant date	Nov 9, 2021
Priority date	—
Expiry date	Sep 18, 2038

Classification

Technology area (CPC H)Electricity
CPC primaryH02P29/0241
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

In a method for operating an electric machine a first test signal is fed into the electric machine and a first response signal of the electric machine is measured. A first state variable for a rotor of a synchronous reluctance motor of the electric machine is determined as a function of the first response signal, and a second state variable for the rotor of the synchronous reluctance motor is determined. The first state variable and the second state variable are evaluated together.

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