SIPRIN KHOLA HYDROELECTRIC PLANT
Gaurishankar VDC, Dolakha
Salient features
| 1. | Developer | Synergy Power Development Pvt. Ltd. |
| 2. | Installed Power capacity | 9.6MW |
| 3. | Design head | 443.7m |
| 4. | Design Discharge | 2.61m3/s |
| 5. | Project Type | Runoff |
| 6. | Intake | Tyrolean intake with side intake as alternative |
| 7. | Conduit System | |
| 7.1 Tunnel and Forebay | Inverted D section(B=2.6m,H=1.4m,R=1.29m)
Tunnel length:1478mwith Audit portal(52m) |
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| 7.2 Penstock | Mild steel
649.22m supported by 10 anchor blocks Diameter: varies as 1.2m at upstream to 0.9m at downstream Thickness: varies as 8mm at upstream to 28mm at downstream |
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| 8. | Inlet Valve | PLC controlled Hydraulic spherical Valve |
| 9. | Turbine Arrangement | Two units of pelton turbine with horizontal shaft arrangement.
No. of jet: 2 , Pitch circle diameter:110cm, jet diameter:10.5cm |
| 10. | Governor | PLC controlled Hydraulic Governor |
| 11. | Generator | Rated power: 5MW
Rated voltage: 6600V Rated Current:514.6A Rated speed:750rpm Runaway speed:1430rpm |
| 12. | Transmission | 3phase 3 wire 33Kv, 3 single phase transformer of 4MVA, cooling type: ONAN, impedance 8%, vector group YND11 |