Plug-and-play ripple pacifier for DC voltage links in power electronics systems and DC power grids

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United States of America

PATENT NO 10594207
SERIAL NO

15771320

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Abstract

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In many power electronics systems, there is an intermediate DC-link stage for facilitating the power processing of different sources to their loads. A device called a plug-and-play ripple pacifier (RP) directly plugged into the DC-link, and actively removes undesired DC-link ripple, thereby eliminating the reliance on electrolytes capacitors for stabilizing the system and remove ripple. Importantly, the use of this device is non-invasive to the operation of its host systems, and requires no modification of existing hardware. It is suitable for the protection of DC utilities/systems and can also be used as a direct replacement of ripple-canceling E-Caps in power converters device.

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Patent Owner(s)

Patent OwnerAddress
THE UNIVERSITY OF HONG KONGHONGKONG CHINA HONG KONG

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hui, Shu Yuen Ron Hong Kong, CN 39 607
Lee, Ting Leung Albert Hong Kong, CN 2 0
Li, Sinan Hong Kong, CN 12 16
Tan, Siew Chong Hong Kong, CN 8 10

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