MEEG 156                       

Introduction to Hydropower                                                 

2 Cr.

Introduction to hydropower:

Introduction, Sources of Energy, Hydropower development in Nepal, Estimation of hydropower potential, Energy scenario of Nepal, Hydropower development history, Present status of hydropower development.

Classification of hydropower projects:

Run-of-river hydropower projects, peaking run-of-river hydropower projects (PRoR), Choice between RoR and PRoR schemes, RoR and PRoR project components and their projects, Storage project, Basin diversion project, Pumped storage projects,

General Introduction of Hydropower Component Systems with their functions

Civil components of hydropower plant (Reservoir & storage capacity, Operation of reservoir, Dams & Barrage,Weirs, Gravel Trap ,Pondage, Intake, Approach canal,Desilting basin,Flushing Systems,Hydropower Tunnel/Headrace Tunnel (HRT)), Hydromechanical Components (Hydraulic gates, Trashrack, Headrace & Penstock pipes with their accessories, Surge shaft and Surge tank, Pressure release valves(PRV), Air release valves(ARV), Electromechanical Components(Power house, Hydro turbines, Synchronous generators, control panel , cooling system, governer, load balance, tailrace), Switch Yard, Transmission Line.

Choice of location of hydro station:

Water availability and land availability, Selection of installed capacity, Selection of type of turbine, Choice of size of generation units, Typical surface hydro power station, Underground power station, Hydropower planning and investigation, Environmental study, Power and energy estimation

Hydropower challenges and Policies

Challenges in hydropower development, Barrier in hydropower development, Government policy and legal provision related to hydropower, hydropower development institution in Nepal, Policies for micro hydropower development.