Environmental Engineering Reference
In-Depth Information
TABLE 3.1
PHES Cycling Efficiency
Low%
High%
Generating Components
Water conductors
97.40
98.50
Pump turbine
91.50
92.00
Generator motor
98.50
99.00
Transformer
99.50
99.70
Subtotal
87.35
89.44
Pumping Components
Water conductors
97.60
98.50
Pump turbine
91.60
92.50
Generator motor
98.70
99.00
Transformer
99.50
99.80
Subtotal
87.80
90.02
Operational
98.00
99.50
Total
75.15%
80.12%
Source:
Chen, H.H. 1993. Pumped storage. In
Davis'
Handbook of Applied Hydraulics,
4th ed.
Zipparro, V.J. and H. Hansen, Eds. McGraw
Hill, New York. 22.23.
Switchyard
Visitors Center
Pumped-Storage Plant
Reservoir
Intake
Elevator
Main Access Tunnel
Surge Chamber
Discharge
Powerplant Chamber
Breakers
Transformer Vault
FIGURE 3.2
Map of PHES facilities in United States.
