Hydroelectric power station

In hydroelectric power station the kinetic energy developed due to gravity in a falling water from higher to lower head is utilised to rotate a turbine to produce electricity. The potential energy stored in the water at upper water level will release as kinetic energy when it falls to the lower water level. This turbine rotates when the following water strikes the turbine blades. To achieve a head difference of water, hydroelectric electric power station are generally constructed in hilly areas. In the way of the river in hilly areas, an artificial dam is constructed to create required water head. From this dam water is allowed to fall toward downstream in a controlled way to turbine blades. As a result, the turbine rotates due to the water force applied to its blades and hence the alternator rotates since the turbine shaft is coupled with alternator shaft.

The main advantage

An electrical power plant does not require any fuel. It only requires water head which is naturally available after the construction of the required dam.

No fuel means no fuel cost, no combustion, no generation of flue gases, and no pollution in the atmosphere. Due to the absence of fuel combustion, the hydroelectric power plant itself is very neat and clean. In addition to that, it does not produce any pollution to the atmosphere. Also from constructional point of view, it is simpler than any thermal and nuclear power plant.
The constructional cost of a hydroelectric power plant maybe higher than that of other conventional thermal power plants because of construction of a huge dam across the flowing river. The engineering cost in addition to the constructional cost is also high in a hydroelectric power plant. Another disadvantage of this plant is that it cannot be constructed anywhere according to the load centres.
So, long transmission lines are required to transmit the generated power to the load centres.

Limult is a leader in the design of hydroelectric power plants, with years of experience in the design and development of these projects. Limult has participated in feasibility studies, preliminary and tender design, procurement and/or the construction management for major hydropower projects.

Limult’s expertise in hydroelectric power projects includes:

  • Feasibility Studies
  • Hydropower Engineering
  • Environmental Impact Assessments and Reports
  • Site Investigations
  • Civil, Structural and Mechanical Design
  • Cost Estimates
  • Contract Documents
  • Tender Evaluations
  • Project Management
  • Project Planning
  • Construction Supervision
  • On-site Inspections

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