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

Table 4

Index data of minimum WHP and RSRR under the three-stage delayed GVCS of Head 4.

	Max. volute pressure	Max. draft tube pressure	Max. speed rise	Upstream surge tank		Downstream surge tank
				Max.	Min.	Max.	Min.
Min. WHR	690.80	121.71	−0.81	740.20	722.65	179.08	153.11
Min. RSRR	761.40	123.89	−0.01	740.05	722.26	178.74	153.33