In the Vinnytsia Region, three underage agents of the russian federation set fire to a post office, and in the Kirovohrad ...

The project involved changing settings on substation relays — devices in power systems that disconnect an element from the system from service when it suffers a short circuit or starts to ...

Based on the relay operating characteristics, overcurrent relays can be classified into three groups: definite current or instantaneous, definite time, and inverse time. The characteristic curves of ...

All but the smallest substations include auxiliary power supplies ... DC power is used to feed essential services such as circuit breaker trip coils and associated relays, supervisory control and data ...