Question
Download Solution PDFयदि किसी मोटर की कुल शक्ति 0.5 के शक्ति गुणक के साथ 400 VA है, तो मोटर द्वारा खपत की जाने वाली सक्रिय शक्ति क्या होगी?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFसंकल्पना:
शक्ति त्रिकोण को नीचे प्रदर्शित किया गया है
P = सक्रिय शक्ति (या) W में वास्तविक शक्ति = Vrms Irms cos ϕ
Q = VAR में प्रतिक्रियाशील शक्ति = Vrms Irms sin ϕ
S = VA में आभासी शक्ति = Vrms Irms
S = P + jQ
\(S = \sqrt {{P^2} + {Q^2}} \)
ϕ वोल्टता और धारा के बीच का का कलांतर है
शक्ति गुणक \(\cos \phi = \frac{P}{S}\)
गणना:
आभाषी शक्ति (S) = 400 VA
शक्ति गुणक = cos ϕ = 0.5
खपत की गयी वास्तविक शक्ति = P
\(\cos \phi = \frac{P}{S}\)
⇒ P = 400 × 0.5 = 200 WLast updated on May 9, 2025
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