Category: STATIC PROTECTIVE RELAY

Transductor Relay

Transductor Relay (Magnetic Amplifier Relay): Transductor Relay – Since relays now have to perform much more complicated functions, many types tend to become very complex mechanically, and hence costly, to make and difficult to test and to maintain. The transductor controlling a simple slave relay, makes it possible to reduce a complex electromechanical device which […]

Electronic Relays

Electronic Relays: Electronic Relays – These were the first to be developed in the series of static relays. They date back to early 1928 when Fitzgerald presented a carrier current pilot relaying which constituted unit protection of the transmission line. Subsequently a series of electronic circuits for most of the common types of protective gear […]

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