Question
Download Solution PDFThe reactive power component kVAR =
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFConcept:
The power triangle is as shown below.
P = Active power (or) Real power in W = Vrms Irms cos ϕ
Q = Reactive power in VAR = Vrms Irms sin ϕ
S = Apparent power in VA = Vrms Irms
S = P + jQ
\(S = \sqrt {{P^2} + {Q^2}}\)
ϕ is the phase difference between the voltage and current
Power factor \(\cos ϕ = \frac{P}{S}\)
From power trinagle:
Q = P tan ϕ = S sin ϕ
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