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  2. Sources of electrical energy - Wikipedia

    en.wikipedia.org/wiki/Sources_of_electrical_energy

    Friction is the least-used of the six methods of producing energy. If a cloth rubs against an object, the object will display an effect called friction electricity. The object becomes charged due to the rubbing process, and now possesses an static electrical charge , hence it is also called static electricity .

  3. Electricity generation - Wikipedia

    en.wikipedia.org/wiki/Electricity_generation

    Electricity generation is the process of generating electric power from sources of primary energy.For utilities in the electric power industry, it is the stage prior to its delivery (transmission, distribution, etc.) to end users or its storage, using for example, the pumped-storage method.

  4. Hermann Plauson - Wikipedia

    en.wikipedia.org/wiki/Hermann_Plauson

    Plauson's patent no. 1540998 describe methods to convert alternating radiant static electricity into rectified continuous current pulses. His systems mainly involved needle & radium- coated electricity conducting balloons or aerostats which were connected to complex converting systems consisting of coils , capacitors , spark gaps etc.

  5. Fossil fuel power station - Wikipedia

    en.wikipedia.org/wiki/Fossil_fuel_power_station

    A fossil fuel power station is a thermal power station which burns a fossil fuel, such as coal, oil, or natural gas, to produce electricity.Fossil fuel power stations have machinery to convert the heat energy of combustion into mechanical energy, which then operates an electrical generator.

  6. Cost of electricity by source - Wikipedia

    en.wikipedia.org/wiki/Cost_of_electricity_by_source

    The levelized cost of electricity (LCOE) is a metric that attempts to compare the costs of different methods of electricity generation consistently. Though LCOE is often presented as the minimum constant price at which electricity must be sold to break even over the lifetime of the project, such a cost analysis requires assumptions about the value of various non-financial costs (environmental ...

  7. Electromotive force - Wikipedia

    en.wikipedia.org/wiki/Electromotive_force

    Like other measures of energy per charge, emf uses the SI unit volt, which is equivalent to a joule (SI unit of energy) per coulomb (SI unit of charge). [ 17 ] Electromotive force in electrostatic units is the statvolt (in the centimeter gram second system of units equal in amount to an erg per electrostatic unit of charge).

  8. Template:Latest pie chart of world power by source - Wikipedia

    en.wikipedia.org/wiki/Template:Latest_pie_chart...

    Download as PDF; Printable version; In other projects ... 2021 world electricity generation by source. Total generation was 28 petawatt-hours. [1] Coal 36.0% ...

  9. Alternator - Wikipedia

    en.wikipedia.org/wiki/Alternator

    This method of excitation consists of a smaller direct-current (DC) generator fixed on the same shaft as the alternator. The DC generator generates a small amount of electricity, just enough to excite the field coils of the connected alternator to generate electricity. A variation of this system is a type of alternator that uses direct current ...