公开(公告)号：US20250119082A1

公开(公告)日：2025-04-10

申请号：US18836403

申请日：2023-01-23

Applicant: ABB Schweiz AG

Inventor： Georgios Darivianakis ,  Tobias Geyer ,  Peter Muszynski ,  loannis Tsoumas

IPC: H02P21/14 ,  H02P21/12 ,  H02P21/20 ,  H02P27/08

Abstract: A method for controlling an electrical converter for driving an electrical machine comprises the steps of: estimating a stator flux vector depending on at least one measurement in the electrical converter; receiving a rotor speed of the electrical machine; determining an optimized pulse pattern for the electrical converter depending on the rotor speed; determining a rotor angle of a rotor flux vector depending on the rotor speed; determining a reference stator angle of the stator flux vector depending on the rotor angle; determining a reference stator flux vector depending on the optimized pulse pattern and the reference stator angle; determining a difference between the reference stator flux vector and the estimated stator flux vector; modifying switching instants of the optimized pulse pattern, such that the difference is minimized; and applying at least a part of the modified optimized pulse pattern to the electrical converter.