Lesson Glossary
特殊 | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | 全部
E |
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EffeciencyThe ratio of useful energy output to total energy input, expressed as a percentage. | |
Electrical EnergyThe energy that is used by an appliance at a given setting; determined by multiplying the power rating of an appliance by the length of time it is used. | |
Electrical PowerThe rate at which an appliance uses electrical energy. | |
EnerGuide LabelA label that gives details about how much energy an appliance uses in one year of normal use. | |
K |
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Kilowatt (kW)A practical unit of electrical power; 1 kW = 1000 W | |
Kilowatt-hour (kW-h)The practical unit of electrical energy. | |
P |
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Phantom LoadThe electricity that is consumed by an appliance or device when it is turned off. | |
S |
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Smart MeterA meter that records the total electrical energy used hour by hour and sends this information to the utility company automatically. | |
T |
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Time of Use PricingA system of pricing in which the cost of each kW-h of energy used is different at different times of the day. | |
W |
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Watt (W)A unit of electrical power. | |