अभिक्रियाशील शक्ति घटक kVAR =

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PGCIL DT Electrical 22 Aug 2021 Official Paper (NR III)
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  1. kW tan∅
  2. kVA sin∅
  3. kW cos∅
  4. kW tan∅ और kVA sin∅

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Option 4 : kW tan∅ और kVA sin∅
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अवधारणा:

शक्ति त्रिकोण नीचे दिखाया गया है।

F1 U.B Madhu 23.03.20 D10

P =  W में सक्रिय शक्ति (या) वास्तविक शक्ति = Vrms Irms cos ϕ

Q = VAR में प्रतिक्रियाशील शक्ति = Vrms Irms sin ϕ

S = VA में प्रत्यक्ष शक्ति = Vrms Irms

S = P + jQ

\(S = \sqrt {{P^2} + {Q^2}}\)

ϕ वोल्टेज और धारा के बीच का फेज अंतर है

शक्ति गुणक \(\cos \phi = \frac{P}{S}\)

From power trinagle:

Q = P tan ϕ = S sin ϕ

 

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