एक आवर्तित्र 0.6 p.f. पश्चगामी पर 300 kW का भार दे रहा है। यदि शक्ति गुणक एकल तक बढ़ाया जाता है तो समान kVA भारण के लिए आवर्तित्र कितने अधिक किलोवाट की आपूर्ति कर सकता है?

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SSC JE EE Previous Year Paper 18 (Held On: 31 January 2016)
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  1. 100 kW
  2. 50 kW
  3. 200 kW
  4. 25 kW

Answer (Detailed Solution Below)

Option 3 : 200 kW
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Detailed Solution

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P = S cos ɸ

P = 300 kW, cos ɸ = 0.6

S = 300/0.6 = 500 kVA

अब, cos ɸ = 1, S = 500 kVA

P = 500 × 1 = 500 kW

समान kVA भारण के लिए आवर्तित्र द्वारा अधिक किलोवाट की आपूर्ति = 500 – 300 = 200 kW
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