สถานีพลังงานสำหรับการเรียนรู้
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Electric Wind Turbine
Wind turbine Is a device that receives kinetic energy from the movement of the wind and transforms it into mechanical energy, then uses mechanical energy to produce electrical energy. The working principle is when the wind blows through the turbine blades. Will make the turbine spin and get mechanical energy out From the generator connected to the axis of the wind turbine The mechanical energy from the axis of the wind turbine is transformed into electrical energy. The generator will distribute electricity through the electrical control system. And continue to supply electricity into the system The amount of electricity produced depends on the speed of the wind. Propeller length And the place of installation
Can be used in 2 forms, direct current from battery And the electric switch By bringing the electricity that accumulates in the battery through the inverter to convert AC power to be used with general household electrical appliances
For wind turbines installed in the project are wind turbines for electricity generation and help reduce electricity bills by about 3,000 baht per month.
Wind turbine system Every installation point is a lighting system during the night. If you are interested that Where do we install it? We can explain as follows
Point 1 On the way to the dining area, there are 3 sets of 300-watt wind turbines which produce electricity to store in batteries.
Point 2 By the pool, near the football field, are 3 sets of 1,000-watt wind turbines, generating electricity to store in batteries.
And the last point, installed at the front of the tower, is a 3-watt 300-watt wind turbine consisting of 3 sets of electricity stored in batteries.
2. Solar Roof System
What is solar energy? The sun is the closest star to our planet. Most of the components are hydrogen gas. At the center of the sun There is a very high temperature and pressure. Until the hydrogen gas fuses together into helium And radiating out enormous energy Is heat and light We call this reaction "Nuclear fusion reaction". Heat and light energy from the sun itself. That encourages life on our planet
The secret of this process is the use of a semiconductor that can turn solar energy into electricity. The most commonly used semiconductor in solar cells is silicon. Which is a common element in sand Every solar cell has 2 layers of the said semiconductor. The first layer is charged at the anode. The other layer is charged at the negative terminal. When the light shines on the semiconductor The electric field passing through the 2nd floor will intersect, creating electricity. The darker the light The electricity is more fluid.
In the project, there are 76 solar cells installed on the roof of the meeting room. The total electricity produced is 20 kilowatts. The size of the panels consists of 250W in size, 40 panels in size and 345W in the amount of 36 panels to produce electricity for daytime use. By connecting to the main electricity grid (On Grid) to replace the electricity in air-conditioning systems and other equipment throughout the project and help reduce electricity bills by over 10,000 baht per month
There are many important strengths of electricity production from solar cells as follows
- Get electric power directly, which is the most convenient energy that can be used No need to use fuel to change to electricity.
- It is the use of solar energy that is acquired for free and has no end.
- Does not cause toxic pollution from the electricity production process
-No moving parts while in use Therefore causes no noise pollution
- Very little maintenance and easy to use automatically
- Fixed performance, independent of size
- Can be manufactured into panels of various sizes easily, allowing to produce large quantities
3. Low Speed Wind Turbine
Is a reciprocating wind turbine Which uses the principle of converting wind energy into mechanical energy for pumping water from ponds or ponds, swamps, and other water sources that are not too deep For consumption Used in agriculture And used in animal farms If you want to use it for cooking or drinking, it is necessary to bring water through a standardized filtration system, sterilized to ensure cleanliness and safety before it can be used.
Key components of the turbine Consists of the mast structure of this type of turbine made of steel The propeller diameter is between 4-6 meters. There are 3 types of propellers, consisting of 18, 24 and 45 blades, respectively, installed 12-15 meters above the ground. Transmission system uses a crankshaft or driving gear. Cylinder sizes range from 3-15 inches. The amount of water pumped depends on the size of the cylinder and the amount of air speed.
The reciprocating wind turbine starts to operate at a wind speed of 3 meters per second or more. And can work continuously with inertia at the wind speed of 2 meters per second The rotor axis can rotate to support the wind force around. With the rudder blade to control the direction of rotation There is a safety system to stop the rotation in the event of a storm, which may affect the safety of the wind turbine.
In the project, 45 wind turbines with a height of 12 meters are installed to pump water from the groundwater to add to the well to compensate for the loss of water due to evaporation during the day and can save more than 2,000 electricity bills. Baht per month
4. Evacuated Tube Solar Water Heater
Glass Tube Solar Hot Water System Based on the principle of changing energy from solar radiation To increase the temperature for the water to rise (Replacing the hot water production system from the water heater that requires electricity to heat) The temperature is around 60 degrees. Can be used together with the water system in the room. Which this hot water system is circulating water through copper pipes Then will transfer heat to the water in the heat tank Which is a tank with 2 layers of walls and will be sent to use By pumping hot water to each room in the zone
In this project to install a solar water heater system like this In all tent zones and earthen houses, in both the combined and separate systems, in order to see the features and design of the installation and reduce the electricity cost by more than 15-20% of the whole project
In addition, glass solar hot water systems are installed. For heating hot water at a temperature of 60 degrees for washing dishes Or degreasing Which helps reduce dishwashing liquid costs by more than 50%
5. Solar Lighting System
Solar lighting system Using the principle of energy storage through Solar Cell Panel, which will convert the energy from solar energy and store energy in Battery (Battery). The light will turn on automatically at night and turn off automatically in the morning.
The project has installed lamps. With various types of solar systems at various points, saving electricity bills of more than 5,000 baht per month
6. Solar energy system for pumping water at high altitude (Solar Hydro System)
The solar watering system is designed by converting solar energy into electricity through solar cell panels to direct electricity to the pump. Pump water to send water to a high place during the day time and release the water as needed
In the project, there is a system installation Many points to help reduce electricity bills by over 10,000 baht per month, with the use of watering systems And produce electricity via Hydro Generator, distribute electricity into the system (On Grid) to save electricity in the project Including water pumping for watering the waterfalls (model) in the project
7. Hot water from the air conditioning (Condensate A / C Water Heater).
Is the heat brought from opening the air conditioner to vent through the hot water heater Which will help reduce the heat generated by the operation of the air conditioner Also makes the air conditioner more efficient in cooling
Generally air conditioners Have working principles Is while the air conditioner is working Coolant solution from the compressor will have a high temperature. And will be sent to bring out the heat By using the wind as a heat transfer to the air compressor outside the building.
The characteristics and working principles of the hot water system from the air conditioner Can use the heat that is released to utilize By bringing back the heat exchanger with water Causing the water to increase in temperature until it is hot water By cutting the pipe circuit, liquid coolant in the air conditioning system
Based on the principle of bringing the heat from the coolant solution in the air conditioning system to transfer heat To the water at a reasonable rate By bringing the heat from the coolant solution while in a hot gas state Going through a liquid to water heat exchanger Will result in a coolant with a high temperature (about 80-90 degrees Celsius) to cool, while the water in the heat storage tank will have a higher temperature
Which this installation Resulting in hot water to be used instead of the water heater Can save electricity bills of approximately 1,500 baht per month
8. Solar Cooker Demonstration Set
Solar stove Or solar cookers, which are devices that combine light to produce heat By using direct energy from sunlight, which is more or less depending on the shape and the percentage of light reflection on the surface of the disk Generally, it consists of a large glossy glossy reflector. (Some are shaped like a satellite dish ), however, the shape that combines the most light is the parabolic shape. And some types will have a cover covering the place with glass In order not to let the heat rays reflected back out
As for the reflecting material, it can be used both from mirrors to aluminum foil. Which the use of aluminum foil to make this reflector sheet Can do many forms Depends on the design May be a box or a panel. Used for boiling hot water stoves Or as a stove for cooking, such as grilling, boiling, and frying
9. Bicycle pumping demonstration set
Is the application of waste materials to maximize benefits From a bicycle that is not used as a pump Instead of using water pumps from electricity The use of bicycles to spin is the use of human energy in pedaling bicycles and pumping water. The style of pumping bicycle Is the wearing of a belt to wear on the wheels And the other side is fitted with a water pump Then use the human effort to kick the bicycle to move at a consistent speed Will allow the water pump to pump water out of the pool Then bring to keep in the water tank At the time of use, the user can open the tap from the water tank. In the area of water systems that have been set Used to water the lawn and trees in the said area.
10. Charcoal kiln set
Charcoal is a product of useful charcoal burning. In use as fuel for cooking food In the past, it was popular to burn large quantities of charcoal each time with the same type of charcoal kiln. But from the problem of forest area decreasing Causing the lack of wood to burn charcoal Including environmental problems Therefore there is promotion of charcoal burning technology With a high efficiency charcoal kiln, a 200 liter tank charcoal kiln can be used to scrap branches Or other plant raw materials As raw material instead of large wood Therefore becoming a new alternative to charcoal burning And the benefits of charcoal burning with high efficiency stoves Not just charcoal only We also get wood vinegar from this technology.