3.2 A hydro-electric power station has an overall efficiency of 73% with a reservoir water capacity of (800 x 106 ) m3 having an area of 5.08km² . The reservoir water capacity has a potential of generating an overall energy of (300 x 103 ) MWh. The reservoir depth decreases by 0.45% after supplying a maximum load demand of 300 MW for the entire day at a load factor of 47.2%. 1. Determine the electrical energy consumed per day (MWh)& the depth of the reservoir (metres) 2.Determine the total electrical energy that can be generated from the power station (MWh) & the effective water head (metres) 3.Determine the average volumetric flow rate of water (m³/s)

3.2 A hydro-electric power station has an overall efficiency of 73% with a reservoir water capacity of (800 x 106 ) m3 having an area of 5.08km² . The reservoir water capacity has a potential of generating an overall energy of (300 x 103 ) MWh. The reservoir depth decreases by 0.45% after supplying a maximum load demand of 300 MW for the entire day at a load factor of 47.2%. 1. Determine the electrical energy consumed per day (MWh)& the depth of the reservoir (metres) 2.Determine the total electrical energy that can be generated from the power station (MWh) & the effective water head (metres) 3.Determine the average volumetric flow rate of water (m³/s)

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter2: Fundamentals

Section: Chapter Questions

Problem 2.31P: Consider two interconnected voltage sources connected by a line of impedance Z=jX, as shown in...

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A hydro electric power station is used to supplement the unmet constant load demand for 2 hours and 30 minutes during peak periods.it has a reservoir of 0.03km2 area and 2.7 meters depth .The overall water in the reservoir can generate a total energy of 17236kwh at an effective head of 95 metres.after supplying the load.the reservoir depth has decreased by 20%. 6.Determine the overall efficiency of the power station 7.Determine the load consumptio(kWh) 8.Determine the volumetric flow rate(m3/s)
Electric power is to be generated in a hydroelectric power plant that receives water at a rate of 70 m3/s from an elevation of 65 m using a turbine–generator, the electric power output of this plant is? a. 38.2 MW b. 53.5 MW c. 44.6 MW d. 3.9 MW
(a) A central power station has annual factors as follows: Load factor = 60%; Capacity factor = 40%; Use factor = 50%; Power station has a maximum demand of 15000 kW. Determine: i. Annual energy production ii. Reserve capacity over and above peak load iii. Hours per year not in service. (b) Give a brief note on: i. Connected load ii. Maximum demand iii. Demand factor
2. A 100 MW powers stations delivers 100 MW for 2 hours, 50 MW for 8 hours and is shut down for the rest of each day. It is also shut down for maintenance for 60 days each year. Calculate its annual load |21%] 3. A power station is to supply four regions of loads whose peak values are 10,000 kW, 5000 kW, 8000 kW and 7000 kW. The diversity factor of the load at the station is 1.5 and the average annual load factor is 60%. Calculate the maximum demand on the station and annual energy supplied from the station. [20,000 kW ; 105-12x 10 kWh] factor.
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