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Power electronics and drives miscellaneous

Power Electronics and Drives

  1. The average on-state current for an SCR is 20 A for a conduction angle of 120°. The average on state current for 60° conduction angle will be ______A .
    1. 10
    2. 20
    3. 30
    4. 40
Correct Option: B

Iav =
Im
form factor

where, form factor for 120° = 1.878 and form factor for 60° = 2.7781
So, Iav is less than 20 A



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