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- A hydroelectric power station is supplied from a reservoir having an area of 50 km2and a head of 50 m.If overall efficiency of the plant is 60%, find the rate at which the water level will fall when the stationis generating 30,000 kWThe flow of a river is 150 cubic feet per second at a site where a 75 feet hydrostatic head canbe created by the erection of a dam. What is the potential capacity (in kW) of a hydroelectricpower plant if installed at this site? Consider that hydraulic efficiency of energy conversioncan be 80%, and that the electric efficiency can be 90%.Design head at China’s Three Gorges Dam, the largest hydropower project in the world, is 80.6 m, and rated power output of each of the 32 turbine generator units is 700 MW. If the efficiency of each of the turbine generator units at full power output is 93.2%, what is the design flow through each turbine?
- Water flows through a 7.5 m diameter penstock on a dam at a flow rate of 113 m3/s. The total head available for the turbine is 18.4 m. The specifiic weight of water is 9810 N/m3. What is the power generated by the turbine?The water behind a Dam is 206 m higher than the River below it. The water inthe dam is allowed to flow into the river to generate power.(i) Describe the energy conversions that take place at the hydro powergeneration plant.(ii) Apply the steady flow energy equation to determine the rate the water mustpass through the hydraulic turbines of this dam to produce 50 MW of power if theturbines are 100 percent efficient?A turbine is rated at 600hp when the flow of water through it is 82cu.m/sec. Assuming an efficiency of 92%, what is the head acting on the turbine?
- 3. Explain different components of small hydroelectric power system and their design considerations.At a proposed hydroelectric power plant site, the average elevation of headwater is 600m and the tailwater elevation is 480m. The average annual water flow is determined to be equal to that volume flowing through a rectangular channel 4m wide and 0.5m deep and average velocity of 5.5m/s. Assuming the plant will operate 350 days/year, find the energy kwh that the plant site can developed if the hydraulic turbine that will be used has an efficiency of 78% and generator efficiency of 90%. Consider a headwork loss of 4% of the available head.Water is pumped at a flow rate of 15 m3/s from the lower reservoir through a pipe with a diameter of 1.50 m. How much power does the water need to be powered to produce this much flow?
- Need asap... A village has 1,182 persons. Each person uses 13.4 kWh of electricity per day. They are considering installing a small run of river hydroelectric facility where the flow rate is 3.0 m3/s and the equivalent head is 20 m. The system has 90% efficiency and pipe losses are expected to be 5%. Determine if the proposed run-of-river facility can produce the required daily energy requirements if a micro hydrokinetic water turbine is used.Determine the total energy production of a run-of-river plant having an total efficiency of 85%. It receives flow by means of a penstock, 400m long with 1.2m diameter, and f=0.015 in Darcy-Weisbach equation. The available head is 200m and seasonal fluctuations of upstream and downstream water levels are ignored. The flow duration data are tabulated as below.A hydroelectric power generating system is shown in the figure. Water flows from an upper reservoir to a lower one passing through a turbine at the rate of 187 liters per second. The total length of pipe connecting the two reservoirs is 143 m. The pipe diameter is 376 mm and the Hazen-Williams coefficient is 143. The water surface elevations of reservoirs 1 and 2 are 210 m and 68 m, respectively. Determine the power in kW required by the turbine if it is 79% efficient? Neglect minor losses. round your answers in 3 decimal places