SCIENCE
The task that was accessed for science was mainly to make an essay about Hydroelectric powerplant, during the Fieldtrip we were given a movie and a tour to see the machine and learned about how does it work and the history of it. The essay should be about how energy was created, how was it stored and ect. Due to the fieldtrip, we gain a lot of information about hydroelectric which is now applied to the essay.
Below is the essay about Hydroelectric Powerplant (SCIENCE IDU)
Below is the essay about Hydroelectric Powerplant (SCIENCE IDU)
Hydroelectric Power Plant
Application
There are so many ways to create energy with different kind of sources. With natural sources or non – natural sources. Renewable or non – renewable, these sources are able to create energy. But with Renewable energy, it will never end, it will always flow. While using non – renewable energy, it will eventually end. Examples of renewable sources are natural resources such as the hydroelectric, wind turbine and solar panels. While non – renewable resources are nuclears, fossil fuels and ect. One of the most amusing way to create energy is through the Hydroelectric. Hydroelectric receives energy from the flow of water. To create energy, they need pressured water. As the place we visited in Medan called PLT Asahan, showed us the process of creating electricity through the water from Lake Toba. Since the water from Lake Toba travels through a turbine, it will spin the turbine continously and generates the generator. The powerplant needs a big water source, which Lake Toba is a perfect fit. But it is quite tricky, using Lake Toba as a source because the lake is so huge the PLT Asahan should maintain the water in a certain amount of level. If the water is beyond the certain amount, they will reduce the amount of water. While the water is below the certain amount, they can release more water.
After creating energy from the Lake. PLT Asahan will transfer the stored energy in the generator to power lines that is located in the roads. The power lines helps to transfer the energy to a factory. PLT Asahan is working together with an Aluminum Factory, that is why the energy from PLT Asahan will be transfered to the factory.
Efficiency
Hydroelectric is the best way and it is perhaps the cleanest way to create energy. They will create energy endlessly because it is natural and it will never end. It only uses the flow of water and water will never run out. This method is a renewable source of energy and it does not produce harm, but it will produce a lot of advantages. But also to create the system will cause some disadvantages.
Based on my research, it is proven that Hydroelectric is the most effiecient power genrater, it is capable of converting almost 90 percent of energy into electricity, while fossil fuel was only able to convert 60 percent of the energy into electricity.
The Advantages of Hydroelectric:
- A clean power, that does not involve destroying such as fossil fuel
- Doesn’t produce waste or rubbish
- Does not cause pollution
- Pure energy, as it comes from natural water
- Does not harm the water
- Doesn’t destroy the water or pollute the water
- Helping the city with electricity
- Benefits the people with electricity
- Never end, will keep creating energy as it is natural
- The system will not take any space, because it is created in a dam
The Disadvantages of Hydroelectric:
- To expensive to build
- To construct it in dams are expensive and difficult
- Need to hire people to build which leads more money to pay the salary
- Buy equipments (Turbine blade, generators and ect)
- Maintenence to fix the machines
- Hard to find dams that is a perfect fit
- Will harm the fishes that flows through the turbine
- Affects the people around
PLT Asahan used 4 billion Yen to build the powerplant. Yen is the currency of Japan, because during the time Indonesia and Japan was working together to create the powerplant. During the time Yen was still cheap, Japan and Indonesia made the agreement on July 7, 1975. The Powerplant was able to create around 603 watts. The certain amount of water level they need to maintain is around 902.5 – 905 above sea level.
Factor
Economic
The powerplant surely affects the economic, as they needed lots of money to build. To pay the salary of the workers. To buy the equipments that is needed to run the powerplant. But it also benefits as it will create money as well. Since the electricity from the PLT Asahan will be transfered to the Aluminum factory. The factory will recieve electricity that will help the factory to run. When the Aluminum factory runs, it will create money and help the economic.
Environment
The powerplant affects the environement, by using the natural water to create energy. Then they build the powerplant in a dam which a river is near. The PLT Asahan build the powerplant with mini bombs to get the perfect fit for them. Since they used mini bombs there will be rocks falling to the waters, sands and it will contaminate the water. When it contaminate the water, then the living creatures in the river will eventually die such as the fishes and ect. With constructing the powerplant, it will destroy the surrounding but eventually when it is done it will bring great benefits. Such as supplying electricity to the public and keeping the river and forest clean.
Social
To start the PLT Asahan they socialize with the Japanese, to have an agreement to build the powerplant itself. In order to create the powerplant they had to socialize with the Japanese to make an agreement. Afterwards the powerplant helps the people with electricity, which the people are now happy to get unlimited electricity. Then the company keep everything around clean, which makes the people who lives around happy as well as they wanted cleaness. Also the powerplant socialize with the Aluminum factory so they will provide energy for them so they can run the factory. With creating aluminum will help the people and other factories.
Bibliography
http://environment.nationalgeographic.com/environment/global-warming/hydropower-profile/
"Hydropower." National Geographic. N.p., n.d. Web. 24 Mar. 2013.
http://ga.water.usgs.gov/edu/hyhowworks.html
"Hydroelectric Power: How It Works." Hydroelectric Power: How It Works, USGS Water-Science School. N.p., n.d. Web. 29 Mar. 2013.
http://www1.agric.gov.ab.ca/$department/deptdocs.nsf/all/eng4431
"Hydroelectric Power." Hydroelectric Power. N.p., n.d. Web. 19 Mar. 2013.
http://library.thinkquest.org/06aug/01335/hydroelectric.htm
"Hydroelectric Power." ThinkQuest. Oracle Foundation, n.d. Web. 22 Mar. 2013.
http://www.mbgnet.net/fresh/rivers/dams.htm
"Hydroelectric Power (Dams)." Hydroelectric Power (Dams). N.p., n.d. Web. 25 Mar. 2013.
http://www.renewableenergyworld.com/rea/tech/hydropower
"Hydropower." RE News RSS. N.p., n.d. Web. 27 Mar. 2013.
Presentation from Fieldtrip
There are so many ways to create energy with different kind of sources. With natural sources or non – natural sources. Renewable or non – renewable, these sources are able to create energy. But with Renewable energy, it will never end, it will always flow. While using non – renewable energy, it will eventually end. Examples of renewable sources are natural resources such as the hydroelectric, wind turbine and solar panels. While non – renewable resources are nuclears, fossil fuels and ect. One of the most amusing way to create energy is through the Hydroelectric. Hydroelectric receives energy from the flow of water. To create energy, they need pressured water. As the place we visited in Medan called PLT Asahan, showed us the process of creating electricity through the water from Lake Toba. Since the water from Lake Toba travels through a turbine, it will spin the turbine continously and generates the generator. The powerplant needs a big water source, which Lake Toba is a perfect fit. But it is quite tricky, using Lake Toba as a source because the lake is so huge the PLT Asahan should maintain the water in a certain amount of level. If the water is beyond the certain amount, they will reduce the amount of water. While the water is below the certain amount, they can release more water.
After creating energy from the Lake. PLT Asahan will transfer the stored energy in the generator to power lines that is located in the roads. The power lines helps to transfer the energy to a factory. PLT Asahan is working together with an Aluminum Factory, that is why the energy from PLT Asahan will be transfered to the factory.
Efficiency
Hydroelectric is the best way and it is perhaps the cleanest way to create energy. They will create energy endlessly because it is natural and it will never end. It only uses the flow of water and water will never run out. This method is a renewable source of energy and it does not produce harm, but it will produce a lot of advantages. But also to create the system will cause some disadvantages.
Based on my research, it is proven that Hydroelectric is the most effiecient power genrater, it is capable of converting almost 90 percent of energy into electricity, while fossil fuel was only able to convert 60 percent of the energy into electricity.
The Advantages of Hydroelectric:
- A clean power, that does not involve destroying such as fossil fuel
- Doesn’t produce waste or rubbish
- Does not cause pollution
- Pure energy, as it comes from natural water
- Does not harm the water
- Doesn’t destroy the water or pollute the water
- Helping the city with electricity
- Benefits the people with electricity
- Never end, will keep creating energy as it is natural
- The system will not take any space, because it is created in a dam
The Disadvantages of Hydroelectric:
- To expensive to build
- To construct it in dams are expensive and difficult
- Need to hire people to build which leads more money to pay the salary
- Buy equipments (Turbine blade, generators and ect)
- Maintenence to fix the machines
- Hard to find dams that is a perfect fit
- Will harm the fishes that flows through the turbine
- Affects the people around
PLT Asahan used 4 billion Yen to build the powerplant. Yen is the currency of Japan, because during the time Indonesia and Japan was working together to create the powerplant. During the time Yen was still cheap, Japan and Indonesia made the agreement on July 7, 1975. The Powerplant was able to create around 603 watts. The certain amount of water level they need to maintain is around 902.5 – 905 above sea level.
Factor
Economic
The powerplant surely affects the economic, as they needed lots of money to build. To pay the salary of the workers. To buy the equipments that is needed to run the powerplant. But it also benefits as it will create money as well. Since the electricity from the PLT Asahan will be transfered to the Aluminum factory. The factory will recieve electricity that will help the factory to run. When the Aluminum factory runs, it will create money and help the economic.
Environment
The powerplant affects the environement, by using the natural water to create energy. Then they build the powerplant in a dam which a river is near. The PLT Asahan build the powerplant with mini bombs to get the perfect fit for them. Since they used mini bombs there will be rocks falling to the waters, sands and it will contaminate the water. When it contaminate the water, then the living creatures in the river will eventually die such as the fishes and ect. With constructing the powerplant, it will destroy the surrounding but eventually when it is done it will bring great benefits. Such as supplying electricity to the public and keeping the river and forest clean.
Social
To start the PLT Asahan they socialize with the Japanese, to have an agreement to build the powerplant itself. In order to create the powerplant they had to socialize with the Japanese to make an agreement. Afterwards the powerplant helps the people with electricity, which the people are now happy to get unlimited electricity. Then the company keep everything around clean, which makes the people who lives around happy as well as they wanted cleaness. Also the powerplant socialize with the Aluminum factory so they will provide energy for them so they can run the factory. With creating aluminum will help the people and other factories.
Bibliography
http://environment.nationalgeographic.com/environment/global-warming/hydropower-profile/
"Hydropower." National Geographic. N.p., n.d. Web. 24 Mar. 2013.
http://ga.water.usgs.gov/edu/hyhowworks.html
"Hydroelectric Power: How It Works." Hydroelectric Power: How It Works, USGS Water-Science School. N.p., n.d. Web. 29 Mar. 2013.
http://www1.agric.gov.ab.ca/$department/deptdocs.nsf/all/eng4431
"Hydroelectric Power." Hydroelectric Power. N.p., n.d. Web. 19 Mar. 2013.
http://library.thinkquest.org/06aug/01335/hydroelectric.htm
"Hydroelectric Power." ThinkQuest. Oracle Foundation, n.d. Web. 22 Mar. 2013.
http://www.mbgnet.net/fresh/rivers/dams.htm
"Hydroelectric Power (Dams)." Hydroelectric Power (Dams). N.p., n.d. Web. 25 Mar. 2013.
http://www.renewableenergyworld.com/rea/tech/hydropower
"Hydropower." RE News RSS. N.p., n.d. Web. 27 Mar. 2013.
Presentation from Fieldtrip