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Definitions (28)
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blackout
A temporary loss of electricity in an area because of failure of generation or transmission equipment.
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brown-out
A voltage reduction during an electrical shortage that causes conditions such as dim lights.
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capacity
The load for which a generating unit, generating station, or other electrical apparatus is rated by the user or the manufacturer.
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demand
The rate at which electric energy is delivered to a system. The primary source of demand is the power-consuming equipment of the customers.
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demand meter
A meter that determines the rate at which electric energy is delivered to a system.
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electric and magnetic fields
There are 2 kinds of fields associated with 60 Hz power created by electric charges. Electric fields result from their strength of the charge and magnetic fields result from the motion of the charge. Taken together they are often referred to as electromagnetic fields. There are electric and magnetic fields wherever there is electric power.
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energy management system
Through a master station comprised of the equipment and computer software, the EMS will provide monitoring and control of complete system status, such as electric load, voltage levels and interruptions of service. It will also provide information for sales or purchase transaction evaluations, efficient generation scheduling and generation-to-load m [..]
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generator
A machine which transforms mechanical energy into electric energy.
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ground
A conducting body (the earth or object connected to the earth) whose potential is zero and to which an electric circuit can be connected.
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insulator
A nonconductor, usually of glass or porcelain, for insulating and supporting electric wires.
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