Bài giảng Power system operation and control - Chapter 6: Power system security - Võ Ngọc Điều

• The main concern in power system operation

• minimize the operating cost . An important operating factor

• maintain system security

• System security

• practices designed to keep the system operating when components fail

• example: a generator must be taken off-line because of auxiliary equipment failure - maintaining proper amounts of spinning reserve, the remaining generators can make up the deficit system is served without too low a frequency drop or the need to shed any load