Comparison of Different Type Relay: Characteristic Electro Mechanical Relay Static Relay Digital Relay Numerical Relay Technology Standard 1st generation Relays. …
Numerical Relay
Numerical Relay: History of Relay: The first protection devices based on microprocessors were employed in 1985. The widespread acceptance of …
Digital Relay
Digital Relay: History of Relay: Around 1980s the digital relay entered the market. Compared to the Solid State Relay, the …
Solid State Relay – Static Relay
The Solid State Relay (Static Relay): History of Relay: The static relay are next generation relays .The Solid Static relays …
Electromechanical Relay
History of Relay: This is the first generation oldest relaying system and they have been in use for many years. …
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