All About Contactors When a relay is used to switch a large amount of electrical power through its contacts, it is designated by a special name: contactor. Contactors typically have multiple contacts, and…
What is numerical protection relay? Numerical relay is the relay in which the measured AC quantities are sequentially sampled and converted into numerical data that is mathematically and/or logically processed…
What is a Protective Relay? The Relay was invented more than 160 years ago. During the last 60 years, it has undergone considerable change, the most obvious of which is its…
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