What is df/dt protection?, How to calculate setting range
of 30 MW steam generator???



What is df/dt protection?, How to calculate setting range of 30 MW steam generator???..

Answer / k.prakashchandra

This relay is usually employed in sub-station to avert sharp drop in frequency due to sudden additional load or drop in generating capacity . The setting may 0.3 Hz / sec. Under such condition ,this relay will open selected outgoing feeders to reduce the load

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