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An instrument for measuring the force or velocity of wind; a wind guage.

Category:Energy Terms

A generator producing alternating current by the rotation of its rotor, and which is powered by a primary mover.

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Power generated by a utility unit that operates at a very high capacity factor.

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The maximum load that a generating unit, power plant, or other electrical apparatus can carry under specified conditions for a given period of time, without exceeding its approved limits of temperature and stress.

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A type of heating fuel derived by refining crude oil that has a boiling range at atmospheric pressure from 400 degrees to 550 degrees F.

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Binary cycle systems can be used with liquids at temperatures less than 350 F (177 C). In these systems, the hot geothermal liquid vaporizes a secondary working fluid, which then drives a turbine.

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An air pollution control device used to filter particulates from waste combustion gases; a chamber containing a bag filter.

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The amount of heat required to raise the temperature of a unit of water, at or near the temperature of maximum density, one degree Celsius (or Centigrade [C]); expressed as a "small calorie" (the amount of heat required to raise the temperature of 1 gram ...

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The amount of electromotive force, measured in volts, that exists between two points.

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The load that a power generation unit or other electrical apparatus or heating unit is rated by the manufacture to be able to meet or supply.

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A process for carrying out a reaction in which the reactants are fed in discrete and successive charges.

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The heat liberated by the combustion of a unit quantity of a fuel under specific conditions; measured in calories.

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The incremental cost to an electric power producer to generate or purchase a unit of electricity or capacity or both.

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The ratio of light output of a fluorescent lamp operated on a ballast to the light output of a lamp operated on a standard or reference ballast.

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The amount of energy (in electron volts) required to free an outer shell electron from its orbit about the nucleus to a free state, and thus promote it from the valence to the conduction level.

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A vessel or tank where heat produced from the combustion of fuels such as natural gas, fuel oil, or coal is used to generate hot water or steam for applications ranging from building space heating to electric power production or industrial process heat.

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The use of direct, diffuse, or reflected sunlight to provide supplemental lighting for building interiors.

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The interior heat gain due to heat conduction, convection, and radiation from the exterior into the interior, and from occupants and appliances.

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A reserve appliance; for example, a standby generator for a home or commercial building.

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The flow of air down a flue/chimney and into a house caused by low indoor air pressure that can occur when using several fans or fireplaces and/or if the house is very tight.

Category:Energy Terms