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Title: 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):
9,800,167
Application Number:
14/175,461
Assignee:
ABB Schweiz AG
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.
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Aeloiza, Eddy C., & Burgos, Rolando P. Multi-phase AC/AC step-down converter for distribution systems. United States.
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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.
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@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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