A step-up chopper has input voltage of 220 V and output voltage of 660 V. If the conducting time of the IGBT based chopper is 100 μs, compute Toff width of the output voltage pulse. - Study24x7
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Goraksha Dadhich
27 Apr 2019 12:03 PM study24x7 study24x7

A step-up chopper has input voltage of 220 V and output voltage of 660 V. If the conducting time of the IGBT based chopper is 100 μs, compute Toff width of the output voltage pulse.
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A

100 μs

B

150 μs

C

50 μs

D

Insufficient data

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  • geet sharma
    •  660 = 220/1-α
    α = 2/3 = Ton/T
    Ton = 2T/3 = 100μs. This gives chopping period T = 100 x 3/2 = 150 μs
    Toff = T – Ton = 150 – 100 = 50 μs.

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    Like 1
    Reply 27 Apr 2019 12:42 PM
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