Madeira scheme – main characteristics
|
Jirau |
Santo Antônio |
Main dam |
|
|
Type: Earth and rockfill |
|
|
Crest length |
1,150 m |
990 m |
Auxiliary Dam |
575 m (rolled concrete) |
200 (earth) |
Spillway |
|
|
Maximum discharge |
82,600 m3/s |
84,000 m3/s |
Number of spans |
21 |
21 |
Powerhouse length |
972.4 m |
994.4 m |
Nominal water head |
15.2 m |
13.9 m |
Operational water level |
|
|
Maximum |
90.00 m |
70.0 m |
Minimum |
82.50 m |
70.0 m |
Turbine |
|
|
Type: Bulb type turbine |
|
|
Nominal unit power |
75MW |
71.6MW |
Number of units |
44 |
44 |
Nominal installed power |
3,300MW |
3,150MW |
Local average generated energy |
1,908 MW |
2,050 MW |
Average generated energy/ |
|
|
installed power |
0.58 |
0.65 |
|