Electronics and Communication Engineering - Exam Questions Papers - Discussion

Discussion Forum : Exam Questions Papers - Exam Paper 9 (Q.No. 18)
18.
In a series operated thyristor configuration, each thyristor should support 100 V. However, the three thyristors only support voltage of 100 V, 90 V and 85 V respectively. Hence, the string efficiency in the case is :
98.45%
45.84%
91.67%
none of these
Answer: Option
Explanation:

String efficiency =

= = 0.9167 = 91.67%.

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