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:
- Issue Date:
- Research Org.:
- GM Global Technology Operations LLC, Detroit, MI (USA)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1133627
- Patent Number(s):
- 8742712
- Application Number:
- 13/014,607
- Assignee:
- GM Global Technology Operations LLC (Detroit, MI)
- Patent Classifications (CPCs):
-
H - ELECTRICITY H02 - GENERATION H02M - APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS
H - ELECTRICITY H02 - GENERATION H02P - CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS
- 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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