Multi-terminal power conversion device, multi-terminal power transfer device, and power network system

US9013902B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9013902-B2
Application numberUS-201013395407-A
CountryUS
Kind codeB2
Filing dateSep 10, 2010
Priority dateSep 10, 2009
Publication dateApr 21, 2015
Grant dateApr 21, 2015

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  2. Abstract

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  5. First independent claim

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Abstract

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The present invention provides a multi-terminal power conversion device, a multi-terminal power transfer device, and a power network system which allows an existing power grid to be divided into a plurality of power grids that can be interconnected together and operated stably via existing or new transmission lines. An inter-power grid asynchronous interconnection network system includes a multi-terminal power conversion device characterized by connecting together a plurality of asynchronous power grids including a bulk power grid and controlling power so that the sum of inflow power and outflow power is zero. An intra-power grid synchronous network system includes a power apparatus control terminal device with means for controlling power for a power apparatus installed in an autonomous power grid. A plurality of inter-power grid asynchronous interconnection network systems are connected to an intra-power grid synchronous network system to integrate the power control with communication control.

First claim

Opening claim text (preview).

The invention claimed is: 1. A multi-terminal power conversion device characterized by comprising: at least three self-commutated converters that convert power in a bidirectional manner; a common bus that connects first terminals of the self-commutated converters together in parallel; voltage and current measuring instruments that measure voltage and current of second terminals of the self-commutated converter; a voltage measuring instrument that measures voltage of the comm…

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What does patent US9013902B2 cover?
The present invention provides a multi-terminal power conversion device, a multi-terminal power transfer device, and a power network system which allows an existing power grid to be divided into a plurality of power grids that can be interconnected together and operated stably via existing or new transmission lines. An inter-power grid asynchronous interconnection network system includes a mult…
Who is the assignee on this patent?
Abe Rikiya, Univ Tokyo
What technology area does this patent fall under?
Primary CPC classification H02M5/4505. Mapped technology areas include Electricity.
When was this patent published?
Publication date Tue Apr 21 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).