Two parallel connect SCRs have same voltage drop (Vt) having rated current = 2I1. SCR-1 carries a current of I1=2.6 A whereas SCR-2 carries a current of I2=1.4 A. Find the string efficiency. - Study24x7
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Karan Singh
24 Apr 2019 12:21 PM study24x7 study24x7

Two parallel connect SCRs have same voltage drop (Vt) having rated current = 2I1. SCR-1 carries a current of I1=2.6 A whereas SCR-2 carries a current of I2=1.4 A. Find the string efficiency.
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A

45 %

B

77 %

C

92 %

D

84 %

Railways IIT-JEE Sciences
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  • geet sharma
    • The total current would be I1+I2 & rated current is 2I1
    String efficiency = (I1+I2)/2I1.

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    Reply 24 Apr 2019 12:42 PM
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