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Title: Single phase bi-directional AC-DC converter with reduced passive components size and common mode electro-magnetic interference

A bidirectional AC-DC converter is presented with reduced passive component size and common mode electro-magnetic interference. The converter includes an improved input stage formed by two coupled differential inductors, two coupled common and differential inductors, one differential capacitor and two common mode capacitors. With this input structure, the volume, weight and cost of the input stage can be reduced greatly. Additionally, the input current ripple and common mode electro-magnetic interference can be greatly attenuated, so lower switching frequency can be adopted to achieve higher efficiency.
Inventors:
;
Issue Date:
OSTI Identifier:
1341818
Assignee:
The Regents of the University of Michigan (Ann Arbor, MI) DOEEE
Patent Number(s):
9,559,581
Application Number:
14/251,080
Contract Number:
EE0002720
Resource Relation:
Patent File Date: 2014 Apr 11
Research Org:
The Regents of the University of Michigan, Ann Arbor, MI (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
24 POWER TRANSMISSION AND DISTRIBUTION

Works referenced in this record: