Summary Written By: Bradley Penney
Tour Site: Oahe Dam
Date: 8/10/15
Time: 9:30
Location: North of Pierre, SD
Tour Guide: Kris Cleveland
The Oahe Dam was constructed to provide flood control, electric power and irrigation benefits along the Missouri River in central South Dakota. Tour guide, Kris Cleveland, made it very clear that the number one priority of the dam was to control water levels on the Missouri River, with an additional benefit being the generation of electricity for much of the north-central United States. The dam opened in 1962 and was upgraded in the 1980’s to a higher capacity.
The dam consists of seven turbines, each of which have 118 MVA and 112 MW capacity. The damn boasts a 95% efficiency rating
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Figure 1 displays the switchyard as viewed from the back side of the dam. The first of the seven turbines was connected to a three phase transformer and was stepped up from 13.8 kV to 115 kV. This transformer was then connected to the switchyard for transmission. The last 6 turbines were paired in twos and a single phase transformer was used to step up the voltages of the energy produced on these turbines. Each pair was connected by a bus into a delta configuration, and then two wires had to be connected to each single phase transformer in order to step up each phase individually. The single phase transformers were stepping the voltage up to 230 kV for …show more content…
Additionally, he noted that the power could be adjusted within minutes if they were to do it manually. In order to meet these demands, the turbines, as long as they are operational, are always spinning. Water is always flowing through the gates if the turbines are running and they can either be online and producing or in condensed mode. The only bad side of this is that the turbines always spinning reduces the life span of some of the turbines due to increased wear on the turbines. This was evident because turbine four was currently offline during the tour for
The Grand Coulee Dam(G.C.D) changed Kettle Falls forever. Kettle Falls was a peaceful river where Native Americans fished every year. It is said that around 3,000 fish were fished every year. Then in 1933, everything changed when the Grand Coulee Dam started construction and finished on June 1, 1942, that is almost a decade. I feel like it is good that we built the Grand Coulee Dam. The Dam has great effects that have benefitted Washington. Two of them are the jobs people got in the Great Depression and Irrigation we got.
The photo is a piece of the Seven Sisters Dam, a hydroelectric power plant near Whitemouth. The dam was built in 1929. Over a span of roughly 20 years the dam saw many upgrades such as new turbines and better concrete. These upgrades allow it to generate 990 million kWh annually. The Dam is located 126 km away from Winnipeg and 72 km away from Lake Winnipeg.
“Approximately 3% of power used in the four corners area…Most of the power from the dam is purchased for commercial use at heavily subsided rates.” (Glen Canyon Institute). Shows who really uses the power and who this will really effect in weather we drain the lake or not. “The Glen Canyon Dam generates 451 megawatts, which is negligible compared to most of the other power generating stations in the regions.” (Glen Canyon Institute). Show how much energy is generated through this dam. “The glen canyon dam does not generate “Clean” power. While we are correct to say there is no air pollution from the dam, the 186 mile long reservoir” (Glen Canyon Institute). Knowing that the power is not clean can alter the opinion of some people. This benefit is something that is not as huge as a benefactor as most but still it contributes to the case that we should keep this man made
The Bonneville Dam is located in the Columbia River between Oregon and Washington state. The Bonneville Dam began construction in 1934 and was opened by 1938. The Dam was built to generate a large amount of energy to the public, to control floods, and for irrigation. It was also constructed to improve navigation on the Columbia River. The construction of the Bonneville Dam caused negative effects to the Indian community that had centered their culture near the Columbia River. The facility administrator that was overseeing the construction of the dam was ordered to complete the dam taking any step necessary to do so. This included the decision on the disposal of personal property of the area which caused the destruction of forty Indian fishing
Water turbines are near the oldest ways to run power without using fossil fuels. The new age had turned these into hydro turbines that generally reside in dams. These machines take similar shape to wind turbines. Hidden in the base of a dam, there is a very large turbine that, in a simple explanation, when water runs through it spins. With the energy used by the spinning turbo it is turned into different power sources that are stored into power cells. Way back in time, this idea was used in power mills. Those old spinning wheels on the side of houses that rotate with water pressure. The first power plant was constructed in 1879 at Niagara Falls, Canada. In the United States the first plant was in 1882 in Wisconsin. These extravagant machines seemed marvelous, but that is no longer the outcome. The current age hydroelectricity dams are currently being shut down for harmful aspects triggered from the giant production. Causing an environmental failure to marine life and habitats all around. The possible outcomes are: changing the oxygen levels in the water that cause organisms to perish; fluctuating water levels that cause different
supply for the operation is a major challenge. Olympic Dam and the township of Roxby Downs currently use water that
The American Jury system is important because it's a constitutional right based on the 6th and 7th amendments. The American Jury system was created to give citizens legal decisions and to prevent unfair judgments by the government. The Founding Fathers wanted to enhance the democratic government to protect each other's freedom and rights. The American Jury is a productive system because it prevents tyranny and checks and balances. Preventing tyranny is a benefit to the American jury system because it provides individual rights and makes sure it's fair.
The Grand Coulee Dam, located in Eastern Washington, was one of controversy, risk, and a point of no return. While the water captured made the desert area blossom in agriculture and it powered some large cities, it created a sense of accomplishment, that humans can control Mother Nature. While many people were very excited for this new construction – which gives power and resources - at the time, some thought it should not be allowed, they are not proud of containing the Columbia River. In this analysis, I am going to focus on the economic and social effects that the Grand Coulee Dam created in its build.
There should never have been an increase in the size of the dam if it was going to cause such a great impact on surrounding environments. The location where the water was released is now dead and still somewhat submerged under water. The organism have not returned, new organisms may have come but in terms of an ecological factor should not be there. Another option would have been to build the dam up instead of out, or even create a new damn in an environment that wouldn’t have been as effected, and they could have either joined the dams, or separated the flow from the Hinze dam, and the new dam could provide water to those areas not receiving water from the Hinze dam anymore. Also close by to the Hinze Dam is the Nerang Dam, so why not expand the Nerang Dam. This would have given the increase in water that the Hinze dam needed, without the that the Hinze Dam has left on the environment. I don’t if the experts who made these decisions new exactly where the water from the Hinze dam would go when it was released, and they probably thought we will worry about it when it comes to it. Or they may have known, but that may have been the area that would have been affected least, so that’s why it was chosen to flow there. So far however nothing has been done to repair the damaged area, and it has almost become a new type of environment because of
Through the period of the novel the characters have time for new experiences and become more wise. From beginning to end the characters change and even become more memorable. In the beginning of the novel Jake is suffering from depression and he seems to be feeling a lack of masculinity because of his rejection from Brett. Although his depression does not go away, it's certainly more visible during this time. Jake does get worse before he he gets better because “the novel will be a recording of Jake’s painful lessons” (Rovit and Brenner 130). Brett at this time is not focused on Jake or any other single guy. Brett’s thoughts about Jake during this time may include being in a loving relationship; however, she does not want to give up her sexual intercourse while in the process. In the middle of the story Jake has developed a bit more
The dam is expected to produce approximately 18.2 million kilowatts of energy per year which will greatly benefit the power needs of central China. The largest validation of the dam is this property – power generation. These 18.2 million kilowatts “generated from its 26 700-megawatt turbine generators, equals the energy produced by 18 nuclear plants or the burning of 40 million tons of coal.”[6] The amount of power produced will
INTRODUCTION: Water assets building is growing massively today. Dams have the most vital part in using water assets. They were developed taxing year before increasing present data about hydrology and hydro mechanics. All through the historical backdrop of the world, dams have been utilized effectively as a part of gathering, putting away and overseeing water expected to manage human advancement. Dams have a lot of positive and negative impacts on the earth. Their advantages like controlling stream administration, subsequently forestalling surges, getting local and water system water from put away water and creating vitality from hydro control. While dam give noteworthy advantage to our general public, their effect on the encompassing incorporates resettlement and migration, financial effect, natural concerns, sedimentation issue, security angles and so on. Notwithstanding their vital social and natural advantages, it is vital to minimize the negative impacts of the hoover dam on the earth with respect to feasible advancement.
“Worldwide, hydropower facilities possess a significant amount of installed electric generating capacity. IEA statistics indicate that at the end of 2001 there was in excess of 450,000 MW of installed capacity within IEA member countries, with about half in Europe and half in North America. In addition to conventional hydropower, there is more than 80,000 MW of installed pumped-hydro capacity in IEA countries. In contrast, utility-scale wind power is relatively new in the electric market, but increasing rapidly” (Integration of Wind and Hydropower Systems)
“Drunk driving is a significant problem in the United States, costing thousands of lives and billions of dollars each year”(Preventing). Drunk driving is not just a huge problem in the United states, the whole world suffers from it. Some people do not see the real cost of drunk driving. When the driver is drunk, families have experienced losing a loved one, whether he or she was part of the problem or not. The driver that consumes a significant amount of alcohol cannot control him or herself, weaving in between lanes or running down innocent people on sidewalks or simply getting into a car accident. The world overlooks the effects of drunk driving, but it is a common problem that kills thousands every year.
To elaborate, dam is one of major parts to discuss about firstly. The process of a dam is to store water by creating a large reservoir. This reservoir could be a lake or any other natural water source. The dam is most likely located at higher level ground than the turbines of the power plant. The dam contains gates at its bottom to control the water flow. As the gates open, the water stored in the dam flows downstream as gravity pulls everything down or towards the earth’s surface. The falling water goes through a pipeline called penstock. This pipeline leads to the turbines in the hydroelectric power plant. Much water flow in the pipeline means greater pressure from water. As the water comes down the pipeline, it hits the blades of the turbines and makes it rotate simultaneously. The speed of the rotational blades depends on the speed of the water flow. As a result, much pressure of water flow will rotate the blades with a higher force and vice versa. Francis Turbine is the turbine that is most common for building hydroelectric power plant. This type of turbine looks like a big