BT Energy Co., Ltd
PRODUCT
Current Hydropower Principle
Advantages : The biggest advantage of hydropower and small hydropower plants is that they are environmentally friendly renewable energy. Hydropower generates electricity by using water, so it does not discharge
any fuel and does not emit air pollutants. You can reduce carbon dioxide, a major cause of global warming.
Disadvantages :
1. Significant funding for dam construction requires investment,
(Eg, immigration problems in the submerged area, conflict resolution with people in the downstream area, etc.)
2. Environmental problems (ecological problems such as blockage of transportation routes and change of residential environment to animals due to environmental changes,)
3. It is a reality that only places that do not have the economic value of hydroelectric power plants remain. (A problem that the investment cost of the power transmission and distribution increases when the distance between the power plant and the electricity supply is long)
Note : Even if water has passed through a turbine of any kind once, it does not mean that the energy of the position is dissipated in the water.
a. Pelton turbine
High altitude turbine
- It is a recoil water wheel that generates power by reacting the potential energy pressure of water into the runner by introducing the pressure of the potential energy of water into the runner with an altitude difference of 20-500m. It is a water wheel that is widely used from small to large due to the wide range of fall and flow.
- Because water enters the aberration in the transverse direction and flows out at right angles to the axial direction, the flow in the water changes at right angles.
- It is a turbine with a large investment cost, including the cost of dam construction and waterway construction, and a driving device and a flow control device.
b. Francis turbine
Medium and high altitude turbine
- Although the amount of water is small, it is an impulse type water wheel that generates power by applying the potential energy pressure of water to the dam with an altitude difference of 200-2,000m and the water ejected from the nozzle through the pipe impinges on the spoon bucket of the water wheel.
- The water flow changes at right angles as water enters the water wheel through the piping line and nozzle and flows out to the bottom.
- It is a turbine with high investment cost, including dam construction cost and piping line, driving device, and flow control device.
c. Kaplan turbine
Low altitude and popularly used tur
- As a low-drop recoil aberration, it has a structure similar to that of a Francis water wheel. It takes the same shape as a ship's thruster (propeller) and can also change the inclination of the water wheel's blades together with the guide vanes. Available.
- Because water enters the aberration in the transverse direction and flows out at right angles to the axial direction, the water flow changes at right angles.
- It is a turbine with a large investment cost, including the cost of dam construction and waterway construction, and a driving device and a flow control device.
Other overseas wave power generation turbines
