Subsynchronous Resonance and FACTS-Novel Control Strategy for Its Mitigation

Figure 18

The effect of the STATCOM on the SSR of Vungang I and II plants: (a) The torque oscillation in LPA-LPB shaft section of Vungang I plant’s unit 1 and Vungang I plant’s unit 2 under considering Scenario 1. (b) The torque oscillation in LPA-LPB shaft section of Vungang II plant’s unit 1 and Vungang I plant’s unit 2 under considering Scenario 2.

(a)

(b)