| Summary: | Fault is a problem that often arises in the distribution of electric power. Fault
caused by various reasons can cause a lot of damage, loss of electricity
transmission systems and losses in the electrical energy consumers. One way to
overcome these problems is to install protective devices on the electricity
distribution network. Starting from the fuse, behind cover auto reclosers, to
overcurrent relay and ground fault relay that works with Circuit Breaker should
coordinate to secure the distribution of electric power. Hopefully with sistem
protection coordination in the distribution network can suppress the short circuit
phase to ground and phase-phase short circuit fault current rise in the amount
exceeds the current setting of the overcurrent relays, so relays overcurrent circuit
breaker trigger work force in accordance with the time setting is applied , so the
risk of damage in electrical distribution system can be avoided.
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