The mechanical efficiency of a generator is 98.16% and its electrical efficiency is 96.95%. Calculate its commercial efficiency.
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- A wind turbine supplies an electrical power output of 2.56 MW to a grid. Determine the generator efficiency of the wind turbine by considering the following parameters. Wind speed = 8 m/sec, Blade length = 75 m, Radius of hub = 2 m, Power coefficient is 0.51 Gearbox and electrical efficiencies are 96% and 94% respectively. Assume the atmospheric air condition is 1.01325 bar and 12 °CQ 03: Briefly discuss, how the energy consumptions for operations of a fork lifter could be justified. Suppose that a fork lifter has a total energy consumption of 150 W.Hr. The total trips of the vehicle are 375. How the battery duty cycle may be calculated in this case?A power line is needed to connect a power station on the shore of a river to an island 4miles downstream and 1miles offshore. Find the minimum cost for such a line given that it costs $50 000 per mile to lay the wire under water and $30 000 pe mile to lay wire underground.
- a hydroelectric plant has a turbine and generator with an efficiency of 90%. if the dam has a head of 10 feet and the water flows at 300 feet cube per second, calculate the power generated. and explain the service drops in power systems?The data for a wind turbine is given below: Wind speed = 14 meters/sec, Length of blade = 10 meter Refer to the above wind turbine choose the correct statement a. The wind rotor swept area is 40square meters. b. The wind rotor swept area is 314 square meters. c. The wind rotor swept area is 31.4 square meters. d. The wind rotor swept area is 62.4 square meters.Please do not copy other side give proper calculation In an office building there are 20 such rooms, as mentioned. There is also a smart electric meter to display and record the instantaneous power demand of the whole building. The maximum/peak reading of the meter in a year is found to be 66666.66 W. Assuming that the maximum reading of the meter placed in each room is same, i.e., 4000 W. Determine the diversity factor of the building’s load.
- Compare and contrast diesel power plant with one of the existing power plant in the country in terms of: a. EfficiencyQ: Suppose that a fork lifter has a total energy consumption of 150 W.Hr. The total trips of the vehicle are 375. How the battery duty cycle may be calculated in this case?Express your opinion about the most promising way of power generation from coal reserves of Pakistan. Describe, how can transportation cost be reduced in bringing inferior quality coal to the power generation facility.
- An electric crane lifts 2 tons of mass to a height of 10 m in 10 second if overall efficiency of the crane and motor is 65%. Calculate energy required by crane and input power of motor.TOPIC: Power Systems, Power Plants & IlluminationINSTRUCTIONS:- Answer in this format: Given, Illustration, Required Conversion, Solution, Final Answer.- Step-by-step solution, do not skip even simple calculations to avoid confusion.- If answered in written form, make sure it is readable.PROBLEM:A 55000-kW thermal plant of National Power Corporation delivers an annual output of 238000000 kw-hr with a peak load of 44 MW. What is the capacity factor? 49.4% 42.4% 48.2% 44.6%Power transmission: Improving the efficiency and reliability of power transmission over long distances, especially in the case of renewable energy. Describe how this problem will affect the world in 100 years.