Current Source Inverters MCQ Quiz in తెలుగు - Objective Question with Answer for Current Source Inverters - ముఫ్త్ [PDF] డౌన్లోడ్ కరెన్
Last updated on Mar 17, 2025
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Latest Current Source Inverters MCQ Objective Questions
Top Current Source Inverters MCQ Objective Questions
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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