Multi-phase AC/AC step-down converter for distribution systems
Abstract
A step-down AC/AC converter for use in an electric distribution system includes at least one chopper circuit for each one of a plurality of phases of the AC power, each chopper circuit including a four-quadrant switch coupled in series between primary and secondary sides of the chopper circuit and a current-bidirectional two-quadrant switch coupled between the secondary side of the chopper circuit and a common node. Each current-bidirectional two-quadrant switch is oriented in the same direction, with respect to the secondary side of the corresponding chopper circuit and the common node. The converter further includes a control circuit configured to pulse-width-modulate control inputs of the switches, to convert a first multiphase AC voltage at the primary sides of the chopper circuits to a second multiphase AC voltage at the secondary sides of the chopper circuits, the second multiphase AC voltage being lower in voltage than the first multiphase AC voltage.
- Inventors:
- Issue Date:
- Research Org.:
- ABB Schweiz AG, Baden, CH (Switzerland)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1404705
- Patent Number(s):
- 9800167
- Application Number:
- 14/175,461
- Assignee:
- ABB Schweiz AG
- 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
- DOE Contract Number:
- AR0000141
- Resource Type:
- Patent
- Resource Relation:
- Patent File Date: 2014 Feb 07
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 24 POWER TRANSMISSION AND DISTRIBUTION
Citation Formats
Aeloiza, Eddy C., and Burgos, Rolando P. Multi-phase AC/AC step-down converter for distribution systems. United States: N. p., 2017.
Web.
Aeloiza, Eddy C., & Burgos, Rolando P. Multi-phase AC/AC step-down converter for distribution systems. United States.
Aeloiza, Eddy C., and Burgos, Rolando P. Wed .
"Multi-phase AC/AC step-down converter for distribution systems". United States. https://www.osti.gov/servlets/purl/1404705.
@article{osti_1404705,
title = {Multi-phase AC/AC step-down converter for distribution systems},
author = {Aeloiza, Eddy C. and Burgos, Rolando P.},
abstractNote = {A step-down AC/AC converter for use in an electric distribution system includes at least one chopper circuit for each one of a plurality of phases of the AC power, each chopper circuit including a four-quadrant switch coupled in series between primary and secondary sides of the chopper circuit and a current-bidirectional two-quadrant switch coupled between the secondary side of the chopper circuit and a common node. Each current-bidirectional two-quadrant switch is oriented in the same direction, with respect to the secondary side of the corresponding chopper circuit and the common node. The converter further includes a control circuit configured to pulse-width-modulate control inputs of the switches, to convert a first multiphase AC voltage at the primary sides of the chopper circuits to a second multiphase AC voltage at the secondary sides of the chopper circuits, the second multiphase AC voltage being lower in voltage than the first multiphase AC voltage.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2017},
month = {10}
}
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