Components of a HydroPower Plant

1. Intake Arrangement

• Storage Reservoir
• Diversion Structure or Spillway
• De-silting Basin
• trash Rack
• Gates

2. Water Conductor System

• Power Channel/Duct
• Tunnel
• Surge Shaft or Surge Tank
• Drop Shaft
• Pressure Shaft
• Penstock with Penstock Protection Valve (Butterfly Valve)

3. Power House

A. (Mechanical Component)

• Distributor / Spiral Casing
• Spherical Valve or Main Inlet Valve
• Turbine
• EOT Crane

B. (Electrical Component)

• Generator
• Transformer
• Switchyard
• Transmission Line

C. (Powerhouse Auxiliaries)

• Cooling water system
• Compressed Air System
• De-watering System
• Drainage System
• Air Conditioning System
• Control & Monitoring System
• Fire Protection System

The above components shall be discussed in details in forthcoming posts.