Home / Project Technical Description Xe Pian-XE Namnoy

Project Technical Description Xe Pian-XE Namnoy

XE PIAN-XE NAMNOY HYDROELECTRIC POWER PROJECT
Technical Description
. Dam and Intake Structure

Dam Type
Max.
Height(m)
Length(m)
Catchment’s Area (Km2)
Reservoir Capacity(mil.m3)
Reservoir Area (Km2)
Max. Height(m)
Xe Namnoy
Rockfill
75.5
1.430
522
1092
50
25.0
Xe Pian
Rockfill
47.0
1.250
217
24
3
10.9
Houay Machan(Intake Structure)
Concrete Structure
8.5
81
4.3

 

Headrace and Powerhouse

 


Headrace Tunnel (a) Total Length: 16.1 km (b)
Max Gross Head: 691m
Upper Tunnel
L = 13.6 km, D = 5.2 m
Vertical Shaft
L = 0.5 km, D = 4.6 m
Lower Tunnel
L = 1.7 km, D = 3.6 ~ 4.6 m

powerhouse
Turbine
3 x Francis Type
3 x Francis Type
(3 x 130 MW) + 2.5 MW = 392.5 MW

 

  

Top