Electrical Engineering ⇒ Topic : Essential Elements of the Relays
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Maninder
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Essential Elements of the Relays All the relays have the following three essential fundamental elements : 1. Saving element, also called measuring element responds to the change in the actuating quantity, the current in a protected systern in case of over-current relay. 2. Comparing element, serves to compare the action, of the actuating quantity on the relay with a preselected relay setting. 3. Control element, accomplishes a sudden change in control quantity such as closing of the operative current circuit | |
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