Electrical Engineering - Unit 7

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alternating current
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Terms in this set (26)
alternating current
(n) an electric current that reverses its direction at regular intervals, used in power supplies
balancing
(n) matching the power produced with the expected demand
blackout
(n) when all electrical appliances stop working because of an electrical power failure
blade
(n) a large, flat part of a wind turbine that is moved by the wind
construction costs
(n) the necessary costs and expenses for the construction of something
copper
(n) an element (symbol Cu) that is a soft reddish-brown metal, used for making wires, coins, etc.
direct current
(n) an electric current that flows unidirectionally, i.e., in one direction only
energy loss
(n) the energy lost as heat when converting energy from one form to another
generate
(v) to produce something
hydroelectric power
(n) electricity produced by generators from falling or fast-flowing water
imbalance(n) the state of having too much or too little of somethingload(n) the part of an electrical circuit which consumes powerneon(n) a chemical element (symbol Ne) used in fluorescent lamps and illuminated signsnuclear power(n) energy created by splitting the nuclei of atomsoffshore(adj) in the sea but not far from landpower line(n) a thick cable that carries electrical powerpower station(n) a place where energy is produced from various sourcespylons(n) tall metal, tower-like structures that are used for carrying electricity cables high above the groundregulate(v) to control the rate of somethingrenewable resource(n) a natural resource that will replenish itselfsingle-phase(adj) electrical power where the voltages of the supply during the distribution of alternating current vary in unisonsolar power(n) the conversion of energy from sunlight into electricitythree-phase(adj) of a device which simultaneously uses three separate alternating currents of the same voltagetransformer(n) a device for reducing or increasing the voltage of an alternating currenttransmit(v) to send a signalturbine(n) a machine that works by the action of a fluid on a series of blades