Current Source Inverters MCQ Quiz in বাংলা - Objective Question with Answer for Current Source Inverters - বিনামূল্যে ডাউনলোড করুন [PDF]
Last updated on Mar 21, 2025
পাওয়া Current Source Inverters उत्तरे आणि तपशीलवार उपायांसह एकाधिक निवड प्रश्न (MCQ क्विझ). এই বিনামূল্যে ডাউনলোড করুন Current Source Inverters MCQ কুইজ পিডিএফ এবং আপনার আসন্ন পরীক্ষার জন্য প্রস্তুত করুন যেমন ব্যাঙ্কিং, এসএসসি, রেলওয়ে, ইউপিএসসি, রাজ্য পিএসসি।
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Current Source Inverters Question 1:
A single phase auto sequential cumulated CSI is fed from 200 V dc source. The load is R = 20 Ω. Thyristors have turn – off time of 25 μs and inverter output frequency is 50 Hz. Take a factor of safety = 1.2. The values of source inductance and commutating capacitor respectively are –
Assume a maximum current change of 0.4 A in one cycle. neglect all lossesAnswer (Detailed Solution Below)
Option 1 : 10 H, 2.16 μF
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Current Source Inverters Question 1 Detailed Solution
\(T = \frac{1}{\beta } = \frac{1}{{50}} = 20\ msec\)
Rate of change of current \(= \frac{{di}}{{dt}} = \frac{{0.4A}}{T}\)
= 20 A/sec
\({V_s}\ L\frac{{di}}{{dt}} \Rightarrow L = \frac{{200}}{{20}} = 10\ H\)
tc = RC In2
⇒ 25 × 1.2 × 10-6 = 20 × C × In 2
⇒ C = 2.16 μF
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