1. A hydro-electric station has an average available head of 100 metres and reservoir capacity of 50 million cubic metres. Calculate the total energy in kWh that can be generated, assuming hydraulic efficiency of 85% and electrical efficiency of 90%.
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- 3. A hydroelectric plant has a reservoir of area 2 sq. kilometres and of capacity 5 million cubic meters. The net head of water at the turbine is 50 m. If the efficiencies of turbine and generator are 85% and 95% respectively, calculate the total energy in kWh that can be generated from this station. If a load of 15000 kW has been supplied for 4 hours, find the fall in reservoir.In a hydroelectric power plant, 65 m3/s of water flows from an elevation of 90 m to a turbine, where electric power is generated. The overall efficiency of the turbine- generator is 84 percent. Disregarding frictional losses in piping, estimate the .electric power output of this plant 65 m/s 90 m (2) Turbine Generator Nturbine-gen 84% %3DSuppose 300 gal/min of water is taken from a creek and delivered through 1000 feet of 3-in-diameter polyethylene pipe to a turbine 200 feet lower than the source. Assuming 80% efficiency for the turbine/generator, estimate the energy delivered in a 30-day month.a. 3423 KWhb. 3586 KWc. 4565 KWhd. 2771 KWhe. 2690 KWh
- A 100 MW steam station uses coal of calorific value 6400 kcal/kg. Thermal efficiency of the station is 30% and electrical efficiency is 92%. Calculate the coal consumption (in kg) per hour when the station is delivering its full rated output.. Single line text.A hydroelectric plant has a reservoir of area 2km² and of capacity 5 million cubic meters. The net head of water at the turbine is 50 m. If the efficiencies of turbine and generator are 85% and 95% respectively, calculate the total energy kWh that can be generated from this station. If a load of 15000kW has been supplied for 4 hours, find the fall in reservoir.c) A power plant delivers 100 MW from 6 am to 2 pm and 150 MW from 8 pm to 12 am. The power plant will shut down for maintenance in some duration of each year. The energy generated per year is 335.5 × 10³ MWh. Assuming the 80% of the plant capacity is the maximum demand, determine: i. Daily energy production ii. The actual day of the power plant is operated, and the day of power plant is shut down for a year. ii. The average load iv. The annual load factor. V. The capacity of the power plant. vi. The reserve capacity of the power plant.
- A generating plant has a maximum capacity of 100 kW and costs Rs 2,000,000.The annual fixed charges are 12% consisting of 6% interest, 4% depreciation and 2% taxes. Find the fixed charges per kWh if the load factor is (i) 1o0% and (ii) 60%.Problem Statement: For a 50MW power plant, with a cycle efficiency of 44% do we lock in a long-term fuel rate? Assume electricity retails for $25 MWh, the plant operates for 20 years, and a discount rate of 5%. Option 1: Buy energy on the market Option 2: Futures contract rate of $4 per mmBTU Price Year (S/mmBTU) 2019-2023 3.0 2024-2028 4.0 2029-2033 6.0 2034-2038 3.0A generating station has a maximum demand of 10 MW. Calculate the cost per unit generated from the following data: Annual load factor = 35% Capital cost = Rs 12,50,000 Annual cost of fuel and oil = Rs 8,00,000 Taxes, wages and salaries = Rs 7,00,000 Interest and depreciation = 10%
- "I need the solution along with proof of the correct choice by the expert." choose the correct answer 1. The maximum break down strength of air at 76 cm mercury pressure and temperature of 25 °C is...... a. 30 V/cm b. 30 kV/cm c. 300 kV/cm d. Non of them 2. The installed capacity of a power station must be not ....... than the maximum demand. b. equal c. more a. Less 3. Area under the daily load curve divided by 24 hour gives daily d. Non of them a. average load in kW. b. maximum demand in kW. c. units generated in kwh. d. Non of them 4. In thermal power station, 5 kwh need to burn fuel has a. 860 k.calorific. b. 1500 k.calorific c. 4300 k.calorific d. Non of them. 5. Francis and Kaplan turbines are used for... heads. a. medium and high b. medium and low c. medium only. d. High only 6. For photo voltage cell, Fill factor is a. Umpimp Uscise b. Vscisc Vmpimp c. Vmpimp d. Vscisc 7. Power available from wind mill is a. PA V² b. -AV² c. PA V³ d. pA V³ 2pQuestion 5 A natural gas plant with a 50MW operates at an average loading of 75% year round. How many kWh does the plant to supply to the grid? Question 6 For Question 5, the natural gas power plant costs $175,000,000 to build and costs $20M a year to operate. What is the average cost per kWh or MWh for the power produced if the estimated plant life is 20 years? Assume a discount rate of 5%.In a pumped hydro system 325 MWh of electric energy was drawn from the grid to störe water with an energy of 270 MWh, While discharging, it delivers the grid an energy of 230 MWh. The turnaround efficiency is: 83.1% 70.8% 90.1% 85.2%