English	Chinese
centralized control of power system	电力系统的集中控制
control of active and reactive power	有功和无功功率控制
control of active power and frequency	有功功率与频率控制
control of reactive power and voltage	无功功率与电压控制
control power sources	控制电源
hierarchical control of power system	电力系统分层控制
power control	功率调节
power system automatic control device	电力系统自动装置
reactive power voltage control	无功功率电压调节
secondary control of active power in a system	二次调频
secondary power control operation of a generating set	发电机组二次功率调节
unattended remote-control power station	无人值班的遥控电站