Electric power is the rate at which electrical energy is transferred by an electric circuit.
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16 Facts About Electric power
2.
Common misconception is that electric power is bought and sold, but actually electrical energy is bought and sold.
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3.
Electric power is usually produced by electric generators, but can be supplied by sources such as electric batteries.
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4.
Electric power can be delivered over long distances by transmission lines and used for applications such as motion, light or heat with high efficiency.
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5.
Electric power is transformed to other forms of energy when electric charges move through an electric potential difference, which occurs in electrical components in electric circuits.
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6.
Electric power flowing out of a circuit into a component is arbitrarily defined to have a positive sign, while power flowing into a circuit from a component is defined to have a negative sign.
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7.
Real Electric power is represented as a horizontal vector and reactive Electric power is represented as a vertical vector.
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8.
The apparent Electric power vector is the hypotenuse of a right triangle formed by connecting the real and reactive Electric power vectors.
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9.
Where the currents and voltages have non-sinusoidal forms, Electric power factor is generalized to include the effects of distortion.
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10.
Electric power industry provides the production and delivery of power, in sufficient quantities to areas that need electricity, through a grid connection.
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11.
Electric power is generated by central power stations or by distributed generation.
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12.
The electric power industry has gradually been trending towards deregulation – with emerging players offering consumers competition to the traditional public utility companies.
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13.
Electric power, produced from central generating stations and distributed over an electrical transmission grid, is widely used in industrial, commercial and consumer applications.
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14.
Electric power lighting is the most important form of artificial light.
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15.
Electric power is used to provide air conditioning in hot climates, and in some places electric power is an economically competitive source of energy for building space heating.
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16.
Use of electric power for pumping water ranges from individual household wells to irrigation projects and energy storage projects.
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