Title:
CONTROLLER FOR AC ROTARY ELECTRIC MACHINE
Document Type and Number:
Japanese Patent JP2023177398
Kind Code:
A
Abstract:
To provide a controller for an AC rotary electric machine which can suppress a low frequency component of a current generated at a specific carrier signal number.SOLUTION: The controller for an AC rotary electric machine changes at least one of a carrier frequency and an update frequency so that an evaluation value operated based on a carrier signal number as a value obtained by dividing the AC frequency of an AC voltage instruction value by a carrier frequency and an update frequency does not match with a specific value where a component of a frequency lower than the AC cycle increases for at least one of currents, voltages, and powers supplied to a plurality of windings.SELECTED DRAWING: Figure 2
Inventors:
NAKANO KOTARO
ENOKI KEIICHI
TACHIBANA TOMOYA
IEZAWA MASAHIRO
ENOKI KEIICHI
TACHIBANA TOMOYA
IEZAWA MASAHIRO
Application Number:
JP2022090025A
Publication Date:
December 14, 2023
Filing Date:
June 02, 2022
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP
International Classes:
H02P27/08; H02P21/05; H02P23/04
Attorney, Agent or Firm:
Parumo Patent Attorneys Office