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Fault current limiter with shield and adjacent cores

United States Patent

October 22, 2013
View the Complete Patent at the US Patent & Trademark Office
U.S. Department of Energy - Visit the Office of the Assistant General Counsel for Technology Transfer & Intellectual Property Website
In a fault current limiter (FCL) of a saturated core type having at least one coil wound around a high permeability material, a method of suppressing the time derivative of the fault current at the zero current point includes the following step: utilizing an electromagnetic screen or shield around the AC coil to suppress the time derivative current levels during zero current conditions.
Darmann; Francis Anthony (Chatswood, AU), Moriconi; Franco (Berkeley, CA), Hodge; Eoin Patrick (Surry Hills, AU)
Zenergy Power Pty Ltd (Wollongong, AU)
13/ 020,323
February 3, 2011
GOVERNMENT RIGHTS The United States Government has certain rights in the invention pursuant to a contract with the U.S. Department of Energy.