Binh Dien Hydropower Project
 
01:18' CH-16, 16/04/2014 |
- Project Owner: Binh Dien Hydropower Joint-stock Company
- Construction location: In Binh Dien commune, Huong Tra district, Thua Thien Hue province.
- Installed capacity: 44 MW
- Annual average power output: 181.65 million kWh/year.
- Total investment cost: 1071 billion VND.
- Commencement: 01/2005
- Completion: 04/2009
No. | Project parameters | Units | Values |
I | Basin characteristics (to site 2) | | |
1 | Basin area to site 2 | km2 | 515 |
2 | Mean annual runoff (Q0) | m3/s | 41.7 |
3 | Total annual runoff (Wo) | 106m3 | 1.315,2 |
II | Reservoir | | |
1 | Normal water level (NWL) | m | 85 |
2 | Water level before flood (WLBF) | m | 80.6 |
3 | Dead water level (DWL) | m | 53 |
4 | Surcharged water level (SWL) | m | 85.16 |
5 | Check water level (CWL) | m | 85.96 |
6 | Reservoir area at normal water level | km2 | 17.08 |
7 | Total storage capacity (Wtotal) | 106m3 | 423.68 |
8 | Effective storage capacity (Weffective) | 106m3 | 344.39 |
9 | Storage capacity for flood control (Wflood control) | 106m3 | 70 |
10 | Dead storage capacity (Wdead) | 106m3 | 79.29 |
11 | Reservoir regulation ratio | | 0.26 |
III | Discharge | | |
1 | Firm discharge (Q90%) | m3/s | 21.99 |
2 | Maximum discharge through plant | m3/s | 72 |
3 | Flood peak discharge corresponding to frequencies | | |
| P=0.1% (check) | m3/s | 6.989,0 |
| P=0.5% (design) | m3/s | 5.187,0 |
IV | Head | | |
1 | Maximum head (Hmax) | m | 78.49 |
2 | Average head (Haver) | m | 72.68 |
3 | Minimum head (Hmin) | m | 45.36 |
4 | Design head (Hdesign) | m | 68.15 |
V | Water level at plant downstream | | 26.41 |
1 | Downstream water level when releasing design flood (Qp=0.5%) | m | 27.15 |
2 | Downstream water level when releasing check flood (Qp=0.1%) | m | 6.65 |
3 | Minimum water level (when generating 1 unit) | m | |
VI | Power targets | | 44 |
| Installed capacity (Ninstalled) | MW | 14.25 |
| Firm capacity (Nfirm) | MW | 181,656 |
| Annual average output | 106kWh | 4,126,0 |
| Installed capacity utilization hour | hour | |
VII | Project characteristics | | |
1 | Weir | | |
| Crest elevation | m | 87 |
| Parapet crest elevation | m | 87.5 |
| Length along weir crest | m | 362.8 |
| Crest width | m | 7 |
| Maximum height of weir | m | 64 |
2 | Spillway | | |
| Type | m | Ophiserov |
| Width | m | 50 |
| Sill elevation | m | 73 |
| Bottom elevation at the deepest location | m3/s | 7.2 |
| Discharge (Qp=0.5%) | m3/s | 4.044,0 |
| Discharge (Qp=0.1%) | m | 4.446,0 |
| Maximum head in front of spillway | m | 12.96 |
| Operation gate (segment gate) (5 sets) | m | 10x12.57 |
| Emergency-repair gate (01 set) | | 10x12.0 |
3 | Auxiliary dam in right bank | | |
| Type | | Homogeneous earth dam |
| Crest elevation | m | 87.5 |
| Maximum height | m | 7 |
| Length along dam crest | m | 85.1 |
4 | Waterway | | |
4.1 | Intake | | |
| Design discharge (Q) | m3/s | 72 |
| Trash rack size (1 set) | m | 6.324x7.589 |
| Dimension of operation gate | m | 3.534x4.95 |
| Dimension of repair gate | m | 6.324x7.589 |
4.2 | Penstock | | |
| Design discharge (Qmax) | m3/s | 72 |
| Length of main conduit | m | 280 |
| Diameter of main conduit | m | 4.5 |
| Length of branch conduit | m | 25.8 |
| Diameter of branch conduit | m | 2.6 |
4.3 | Hydropower plant | | |
| Type | | Conduit hydropower plant |
| Number of unit | unit | 2 |
| Installed capacity (Ninstalled) | MW | 44 |
| Type of turbine | | Francis |
| Diameter of impeller | m | 2 |
| Maximum discharge through plant (Qmax) | m3/s | 72 |
| Plant dimension (BxL) | m | 18.25x32.1 |
| Installation elevation | m | 4.5 |
| Assembly floor elevation | m | 21.2 |
4.4 | Flowing-out canal-trapezoidal section | | |
| Canal bottom elevation | m | 4.5 |
| Canal bottom width | m | 13.5 |
| Length of discharge canal behind plant | m | 152.7 |
5 | Distribution station | | |
| Distribution station elevation | m | 30 |
| Dimension | m | 67.5x42.5 |
| Voltage | kV | 110 |
Total hits 224 - Last update 16/04/2014 01:22' CH
