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New Delhi, Oct. 2 -- Japan based Kabushiki Kaisha Toshiba filed patent application for current differential relay device, signal processing method thereof and power transmission line protection system. The inventors are Saga Masamichi, Shuto Itsuo and Mizunoue Mitsuaki.
Kabushiki Kaisha Toshiba filed the patent application on Aug. 27, 2008. The patent application number is 7297/DELNP/2008 A. The international classification number is H02H3/28.
According to the Controller General of Patents, Designs & Trade Marks, "Two current differential relay devices are, installed at each terminal of a two-terminal power transmission line and connected to each other via two transmission paths and perform current differential...