Analysis on Guide Vane Closure Schemes of High-Head Pumped Storage Unit during Pump Outage Condition

Figure 9

Simulation results of transition process on three-stage delayed GVCS of Head 4. (a) RSRR. (b) Guide vane opening. (c) Volute pressure. (d) Draft tube pressure.

(a)

(b)

(c)

(d)