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In a power station the efficiency is the energy output in a given time, divided by the chemical energy of the fuel used in that time. Power stations vary from 20% to 50% in efficiency, with natural gas stations providing the highest efficiency.
The balance of the energy is used up in heat losses in the boilers, friction in the moving parts of the machinery, and electrical resistance in the generators.
In addition, by far the largest energy waste takes place in the thermodynamic cycle and the combustion process as large quantities of low-temperature gases are released continuously to the atmosphere. This includes the exhaust gases and the heat from the cooling system for the recycled boiler-feed water.
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How does the law of conservation of energy apply to the coal power plant?
The law of conservation of energy states that energy cannot be created or destroyed, only transformed from one form to another. In a coal power plant, the energy stored in coal is converted into thermal energy through combustion, which is then used to generate electricity. This process abides by the principle of conservation of energy.
What two energy transformations that occur in a hydroelectric power station?
The potential energy of water stored in a reservoir is converted into kinetic energy as it flows through turbines in a hydroelectric power station. The kinetic energy of the spinning turbines is then transformed into electrical energy by the generator connected to them.
How may energy be lost in a power station turbine?
Energy may be lost in a power station turbine due to friction between moving parts, air resistance, and inefficiencies in the conversion process from thermal energy to mechanical energy. This loss of energy results in a decrease in the turbine's efficiency and overall power output.
How is energy produced in a power station?
In a power station, energy is typically produced by converting a fuel source such as coal, natural gas, or uranium into heat energy. This heat energy is then used to produce steam, which drives turbines connected to generators, converting mechanical energy into electrical energy that is then transmitted to consumers through the power grid.
Where does the wasted energy from a coal power station go?
The wasted energy from a coal power station is released as heat into the environment, contributing to global warming. This energy is not effectively converted into electricity and is therefore lost as thermal energy during the power generation process.
What power station changes the Potential Energy of water into Electrical Energy?
A hydro station.
How does the law of conservation of energy apply to the coal power plant?
The law of conservation of energy states that energy cannot be created or destroyed, only transformed from one form to another. In a coal power plant, the energy stored in coal is converted into thermal energy through combustion, which is then used to generate electricity. This process abides by the principle of conservation of energy.
What is the source of energy in a hydroelectric power station?
Potential energy
Are solar energy transport and distributions costs high?
Once you convert the solar energy to electrical energy, it makes no difference where it came from. Distribution of such energy is exactly the same, whether it came from solar energy, a nuclear power station, a tidal power station, a geothermal power station, etc.
The electricity energy that is transferred in a TV comes from a power stationwhere is the energy transferred from to make the electricity in the power station?
Depends on what kind of power station it is, can bea nuclear power plant, a coal-burning power plant, a wind turbine, or a hydroelectric power station.
What energy comes along wires from power station?
Electric energy.
What is the main energy in a renewable power station?
hydroeletic
What type of energy is found in a coal fired power station?
chemical energy
What has the author Deane N Morris written?
Deane N. Morris has written: 'California's energy future' -- subject(s): Energy policy, Power resources 'Some comments on conservation in the use of energy' -- subject(s): Energy conservation 'Evaluation of measures for conserving energy' -- subject(s): Energy conservation 'Future energy demand and its effect on the environment' -- subject(s): Environmental policy, Power resources
What does a power stations turbine do?
A power station's turbine converts steam energy into rotary energy to drive the generator.
Does a wave power station use renewable energy?
Yes, a wave power station uses renewable energy, as it captures the energy from ocean waves and converts it into electricity. Waves are a natural and sustainable energy source that does not deplete with use.
What has the author Dudley J Burton written?
Dudley J. Burton has written: 'The governance of energy' -- subject(s): Energy conservation, Energy policy, Environmental aspects of Energy policy, Petroleum conservation, Power resources
