Study on Control Strategy of Security and Stability Control System for Power Grids in Shenzhen,Dongguan and Huizhou

In accordance to grid structure,local load and power distribution in Shenzhen,Dongguan and Huizhou(hereinafter referred to as Shen,Dong and Hui) in year 2011,and in combination with typical operating mode of Guangdong power grid in 2011,the article analyzes impact of severe faults on safe and stable operation of Guangdong power grid.It brings forward security and stability control strategy and configuration scheme of the system.The practical application shows that the control strategy ensures safe and stable operation of Chusui DC and grids in eastern Guangdong and it effectively enhances capacity of power supply,capability of safe operation in Shenzhen,Dongguan and Huizhou,as well as capacity of power transmission in eastern Guangdong.