Calculation of Critically Clearing Angle MCQ Quiz in বাংলা - Objective Question with Answer for Calculation of Critically Clearing Angle - বিনামূল্যে ডাউনলোড করুন [PDF]

Last updated on Apr 16, 2025

পাওয়া Calculation of Critically Clearing Angle उत्तरे आणि तपशीलवार उपायांसह एकाधिक निवड प्रश्न (MCQ क्विझ). এই বিনামূল্যে ডাউনলোড করুন Calculation of Critically Clearing Angle MCQ কুইজ পিডিএফ এবং আপনার আসন্ন পরীক্ষার জন্য প্রস্তুত করুন যেমন ব্যাঙ্কিং, এসএসসি, রেলওয়ে, ইউপিএসসি, রাজ্য পিএসসি।

Latest Calculation of Critically Clearing Angle MCQ Objective Questions

Top Calculation of Critically Clearing Angle MCQ Objective Questions

Calculation of Critically Clearing Angle Question 1:

A synchronous generator is delivering initially 30% of the maximum power to an infinite bus through a lossless transmission line. A fault occurs on the transmission line will result as transfer reactance is 5 times to that of reactance before fault. The max power transfer after fault is 60% to that of before fault. Calculate the critical clearing angle of the system. ______ (in degrees)

Answer (Detailed Solution Below) 92 - 93

Calculation of Critically Clearing Angle Question 1 Detailed Solution

PS=Pe1=0.3Pm1δ0=sin1(PSPm1)=17.45=0.305 radX2=5X1Pm2=X1X2Pm1Pm2=0.2 Pm1Pm3=0.6Pm1δmax=180sin1(PSPm3)=150

δmax = 2.62 rad.

δC=cos1[PS(δmaxδ0)+Pm3cosδmaxPm2cosδ0Pm3Pm2]=cos1[0.3Pm1(2.620.305)+0.6Pm1cos1500.2Pm1cos17.450.6Pm10.2Pm1]=cos1[0.6945+(0.519)0.190.4]

δc = 92.28°

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