High-capacity switches that physically interrupt both normal and abnormal (fault) currents.
The ability to isolate only the faulted section while keeping the rest of the system operational. electrical distribution system protection pdf
Electronic or digital devices that monitor current/voltage and signal circuit breakers to trip. Common functions include 50 (Instantaneous Overcurrent) and 51 (Time Overcurrent) . 3. Modern Challenges: Impact of Distributed Generation (DG) electrical distribution system protection pdf