Three-phase AC-DC converter circuit and conversion method and control system thereof

US9019733B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9019733-B2
Application numberUS-201213488240-A
CountryUS
Kind codeB2
Filing dateJun 4, 2012
Priority dateFeb 16, 2012
Publication dateApr 28, 2015
Grant dateApr 28, 2015

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Abstract

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The embodiment of present invention provides a three-phase AC (Alternating Current)-DC (Direct Current) converter circuit, conversion method and the control system thereof. The converter circuit includes a three-phase AC power source having a first output terminal, a second output terminal and a third output terminal; a first AC-DC conversion module, a second AC-DC conversion module and a third AC-DC conversion module electrically connected to the first output terminal, the second output terminal and the third output terminal of the three-phase AC power respectively, and respectively have N 1 pieces, N 2 pieces and N 3 pieces of AC-DC converters which are connected in parallel; and a DC side output terminal electrically connected to the parallel-connected output terminals of the first AC-DC conversion module, the second AC-DC conversion module and the third AC-DC conversion module, wherein at least one of N 1 , N 2 and N 3 is greater than or equal to 2.

First claim

Opening claim text (preview).

What is claimed is: 1. A three-phase AC (Alternating Current)-DC (Direct Current) converter circuit, comprising: a three-phase AC power source comprising a first output terminal, a second output terminal and a third output terminal used for outputting a three-phase alternating current; a first AC-DC conversion module electrically connected to the first output terminal of the three-phase AC power source, the first AC-DC conversion module comprising N 1 number of AC-DC converters…

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What does patent US9019733B2 cover?
The embodiment of present invention provides a three-phase AC (Alternating Current)-DC (Direct Current) converter circuit, conversion method and the control system thereof. The converter circuit includes a three-phase AC power source having a first output terminal, a second output terminal and a third output terminal; a first AC-DC conversion module, a second AC-DC conversion module and a third…
Who is the assignee on this patent?
Yan Chao, Meng ling-jie, Chen Mi, and 1 more
What technology area does this patent fall under?
Primary CPC classification H02M1/14. Mapped technology areas include Electricity.
When was this patent published?
Publication date Tue Apr 28 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).