3 ms·
When frequency is dangerously high, overfrequency protection relays at generating stations will trip, bringing the system toward balance. When it is dangerously
by eigenvector 9y ago
When frequency is dangerously high, overfrequency protection relays at generating stations will trip, bringing the system toward balance. When it is dangerously low, loads will be tripped by the under-frequency load shedding system, again bringing the system back toward balance.