Power Relationships
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5 Terms
1
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Define reactive power (Q)
the rate at which energy is being stored and returned to the circuit
the product of the reactive voltage and reactive current
measured in VAR
AKA “Wattless” or “Quadrature”
2
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What is the power triangle?
it is always like this, do not change real and reactive power locations
3
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What is apparant power (S)?
In AC, it is the product of the voltage times current
4
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What is power factor?
Ration of real power and apparant power. Compares work actually being done vs work apparantly being done.
pf = P / S
5
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What is power factor of 1 referred to as?
Unity power factor
Note 
Flashcards (33)