Saturday, November 3

Electrical Current Production

Introduction to electrical current production:

Electric current is defined as the migration of electric charge. The electrical current may consist of charged particles that are in motion of any origin; a majority of these comprise electrons. The flow of charged particles forming the electrical current may be in either of the direction or sometimes in both the directions simultaneously.

                                                                Image flow of electron

How is Electrical Current Produced

Current is usually generated by the electromechanical generators which are run by steam obtained from the combustion of fossil fuels or in some cases by the heat that is discharged from the nuclear reactions or production of the current is possible from various other sources such as kinetic energy which is extracted from running water or from wind. Steam turbines produce up to 80% of the electrical current using a large variety of sources. Continuous production of electrical current is required since very large quantities of current cannot be stored that may be required for meeting the large-scale demands of the nation. Generation of electrical current from renewable sources such as hydropower and wind are gaining importance due to concerns with regard to the environment.

Some other Sources of Production of Electrical Current
Burning of fossil fuels such as natural gas, coal, crude oil occurs in the power plants where most of the electric energy is generated. This massive production accounts for the gases emitted into the earth’s atmosphere from the green houses gases. The heat that is produced by burning fuel is generally utilized for the evaporation of huge volumes of water, creating steam that is required by the steam turbine where it is converted into mechanical work. This mechanical work is efficiently converted into electrical current by connecting the drive shaft of the turbine to the mechanical generator.
Using an electrochemical generator for the production of electrical current: An electrochemical generator with a cell that contains an anode compartment and an aqueous solution in motion. The active metallic material loses electrons after being oxidized, which is collected through the anodic electron collector.

                                                     Image of electrochemical generator

Conclusion for Production of Electrical Current

To conclude, electrical current is produced from a variety of sources that range from fossil fuels to wind or water. A change in the magnetic field results in a change in the flux, resulting in the production of electrical current.

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