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Title: Methods, systems and apparatus for controlling third harmonic voltage when operating a multi-space machine in an overmodulation region

Abstract

Methods, system and apparatus are provided for controlling third harmonic voltages when operating a multi-phase machine in an overmodulation region. The multi-phase machine can be, for example, a five-phase machine in a vector controlled motor drive system that includes a five-phase PWM controlled inverter module that drives the five-phase machine. Techniques for overmodulating a reference voltage vector are provided. For example, when the reference voltage vector is determined to be within the overmodulation region, an angle of the reference voltage vector can be modified to generate a reference voltage overmodulation control angle, and a magnitude of the reference voltage vector can be modified, based on the reference voltage overmodulation control angle, to generate a modified magnitude of the reference voltage vector. By modifying the reference voltage vector, voltage command signals that control a five-phase inverter module can be optimized to increase output voltages generated by the five-phase inverter module.

Inventors:
; ; ;
Publication Date:
Research Org.:
GM Global Technology Operations LLC, Detroit, MI (USA)
Sponsoring Org.:
USDOE
OSTI Identifier:
1133627
Patent Number(s):
8,742,712
Application Number:
13/014,607
Assignee:
GM Global Technology Operations LLC (Detroit, MI)
DOE Contract Number:  
FC26-07NT43123
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
42 ENGINEERING

Citation Formats

Perisic, Milun, Kinoshita, Michael H, Ranson, Ray M, and Gallegos-Lopez, Gabriel. Methods, systems and apparatus for controlling third harmonic voltage when operating a multi-space machine in an overmodulation region. United States: N. p., 2014. Web.
Perisic, Milun, Kinoshita, Michael H, Ranson, Ray M, & Gallegos-Lopez, Gabriel. Methods, systems and apparatus for controlling third harmonic voltage when operating a multi-space machine in an overmodulation region. United States.
Perisic, Milun, Kinoshita, Michael H, Ranson, Ray M, and Gallegos-Lopez, Gabriel. Tue . "Methods, systems and apparatus for controlling third harmonic voltage when operating a multi-space machine in an overmodulation region". United States. https://www.osti.gov/servlets/purl/1133627.
@article{osti_1133627,
title = {Methods, systems and apparatus for controlling third harmonic voltage when operating a multi-space machine in an overmodulation region},
author = {Perisic, Milun and Kinoshita, Michael H and Ranson, Ray M and Gallegos-Lopez, Gabriel},
abstractNote = {Methods, system and apparatus are provided for controlling third harmonic voltages when operating a multi-phase machine in an overmodulation region. The multi-phase machine can be, for example, a five-phase machine in a vector controlled motor drive system that includes a five-phase PWM controlled inverter module that drives the five-phase machine. Techniques for overmodulating a reference voltage vector are provided. For example, when the reference voltage vector is determined to be within the overmodulation region, an angle of the reference voltage vector can be modified to generate a reference voltage overmodulation control angle, and a magnitude of the reference voltage vector can be modified, based on the reference voltage overmodulation control angle, to generate a modified magnitude of the reference voltage vector. By modifying the reference voltage vector, voltage command signals that control a five-phase inverter module can be optimized to increase output voltages generated by the five-phase inverter module.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2014},
month = {6}
}

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Works referenced in this record:

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