Yields of a Photovoltaic Plant a. What is meant by STC and what boundary conditions are...
Yields of a Photovoltaic Plant
a. What is meant by STC and what boundary conditions are associated
with it?
b. Family Meyer consumes 3500 kWh of electricity in a year. What
should be the minimum
power of a photovoltaic plant in order to generate this amount of
energy?
c. What module area is required when the modules have an efficiency
of 15%?
Homework Answers
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Yields of a Photovoltaic Plant
a. What is meant by STC and what boundary conditions are...
Problem 2 The compressed-air requirements of a plant are met by a 100 hp screw compressor...
Problem 2 The compressed-air requirements of a plant are met by a 100 hp screw compressor that runs at full load during 40 percent of the time and idles the rest of the time during operating hours. The compressor consumes 35 percent of the rated power when idling and 90 percent of the power when compressing air. The annual operating hours of the facility are 3800 hours, and the unit cost of electricity is $0.075 kWh:1 It is determined that...
Professor has 14 photovoltaic panels on his roof, and the effective PV area OF EACH PANEL...
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ethanol is 190 g E a 3) A coal-fired power plant is designed to produce 12...
ethanol is 190 g E a 3) A coal-fired power plant is designed to produce 12 MW of electricity. (This is a small unit that might be used to power a pulp-and-paper mill or other relatively energy intensive factory.) The coal is used to heat steam to a temperature of 560 C. After running through the turbines; the steam has been condensed and the liquid water cooled to 38 °C. (a) Calculate the minimum amount of heat that must be...
3. Dominion Virginia Power, the state’s primary utility, now has a Solar Purchase Program that allows...
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Problem 2: Pedal Power Many villages in the developing world lack access to electricity. One proposed...
Problem 2: Pedal Power
Many villages in the developing world lack access to electricity.
One proposed solution is the ‘Free Electric’ bicycle, which is a
stationary bike hooked up to a generator and battery. Pedaling the
bike powers the generator, which creates electricity that is stored
in the battery. The inventor claims that 1 hour on the bike can
produce a whole day of electricity. Let’s put it to the test!
Assume the following: The human body is 25%...
Need help on part D & E Problem 2: Pedal Power Many villages in the developing...
Need help on part D & E
Problem 2: Pedal Power
Many villages in the developing world lack access to electricity.
One proposed solution is the ‘Free Electric’ bicycle, which is a
stationary bike hooked up to a generator and battery. Pedaling the
bike powers the generator, which creates electricity that is stored
in the battery. The inventor claims that 1 hour on the bike can
produce a whole day of electricity. Let’s put it to the test!
Assume the...
Q4 A Solar power plant in Ibri region is proposed to generate a power of 250...
Q4 A Solar power plant in Ibri region is proposed to generate a power of 250 MW to cater the power to the nearby villages. The hot steam generated from the solar collector is used to run the turbine to produce the mechanical energy, which has an efficiency of 36%. The turbine is coupled with a turbo generator, having an efficiency of 18.65%. How much collector area will be needed if the collector has an efficiency of 22.5%? Compare and...
(b) The daily design load curve of a residential area is given in the table below. The hydropower facility providing the power has an effective head of 15 m and a plant efficiency of 0.85. What is th...
(b) The daily design load curve of a residential area is given in the table below. The hydropower facility providing the power has an effective head of 15 m and a plant efficiency of 0.85. What is the minimum daily flow (m3/s) that could meet the demand? What is the minimum required storage capacity (within-day storage) to meet the peak load? If the daily flowrate were 320m3/s, what would be the minimum required storage capacity? Would there be some water...
Sy guy I had No idea what subject to put this , so I put under...
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Problem 2 The compressed-air requirements of a plant are met by a 100 hp screw compressor that runs at full load during 40 percent of the time and idles the rest of the time during operating hours. The compressor consumes 35 percent of the rated power when idling and 90 percent of the power when compressing air. The annual operating hours of the facility are 3800 hours, and the unit cost of electricity is $0.075 kWh:1 It is determined that...
ethanol is 190 g E a 3) A coal-fired power plant is designed to produce 12 MW of electricity. (This is a small unit that might be used to power a pulp-and-paper mill or other relatively energy intensive factory.) The coal is used to heat steam to a temperature of 560 C. After running through the turbines; the steam has been condensed and the liquid water cooled to 38 °C. (a) Calculate the minimum amount of heat that must be...
Search Optimize the operation of a Power Plant to minimize costs. The plant must produce 1000 MWh of electricity while emitting no more than 2500 g of sulfur (to prevent acid rain). Regular coal or low sulfur coal can be used. Regular coal costs $4 coal can be burned with the scrubber oft, in which case regular coal results in the emission of 12 g/MWh of sulfur and low sulfur coal results in 4 g/MWh. NOTE: none of the amounts...
Problem 2: Pedal Power
Many villages in the developing world lack access to electricity.
One proposed solution is the ‘Free Electric’ bicycle, which is a
stationary bike hooked up to a generator and battery. Pedaling the
bike powers the generator, which creates electricity that is stored
in the battery. The inventor claims that 1 hour on the bike can
produce a whole day of electricity. Let’s put it to the test!
Assume the following: The human body is 25%...
Need help on part D & E
Problem 2: Pedal Power
Many villages in the developing world lack access to electricity.
One proposed solution is the ‘Free Electric’ bicycle, which is a
stationary bike hooked up to a generator and battery. Pedaling the
bike powers the generator, which creates electricity that is stored
in the battery. The inventor claims that 1 hour on the bike can
produce a whole day of electricity. Let’s put it to the test!
Assume the...
Q4 A Solar power plant in Ibri region is proposed to generate a power of 250 MW to cater the power to the nearby villages. The hot steam generated from the solar collector is used to run the turbine to produce the mechanical energy, which has an efficiency of 36%. The turbine is coupled with a turbo generator, having an efficiency of 18.65%. How much collector area will be needed if the collector has an efficiency of 22.5%? Compare and...
(b) The daily design load curve of a residential area is given in the table below. The hydropower facility providing the power has an effective head of 15 m and a plant efficiency of 0.85. What is the minimum daily flow (m3/s) that could meet the demand? What is the minimum required storage capacity (within-day storage) to meet the peak load? If the daily flowrate were 320m3/s, what would be the minimum required storage capacity? Would there be some water...
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