Eesm-Steuerverfahren

Details

Veröffentlichungs-Nr.

EP4807979

Anmeldetag

11. März 2025

Veröffentlichung

16. September 2026

Rechtsraum

EP

Abstract

A method for field weakening implemented in an electric machine comprising a stator and a rotor with at least one rotor's winding, the method comprising: - A step of obtaining a field electric current actual value (If) currently applied to the at least one rotor's winding; - A step of obtaining a direct electric current reference value (Id*); - A step of determining, based at least on the field electric current actual value (If), a direct electric current offset value to be added to the direct electric current reference value (Id*); - A step of adding the direct electric current offset value to the direct electric current reference value (Id*) in order to obtain an actualized direct electric current reference value (Id**).

Anmelder

Firma

Volvo Truck Corporation

Land

🇸🇪 Schweden