Compare Step Up and Step Down Chopper.

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written 6.5 years ago by

teamques10 ★ 70k

Sr No.	Parameter	Step Up Chopper	Step Down Chopper
1	Position of chopper switch	In parallel with load	In series with load
2	Output voltage	More than input voltage	Less than input voltage
3	Expression of output voltage	$\mathrm{V}_{\mathrm{o}}=\mathrm{V}_{\mathrm{dc}} /(1-\alpha) \mathrm{Volts}$	$\mathrm{V}_{\mathrm{o}}=\mathrm{V}_{\mathrm{dc}} \cdot \alpha\mathrm{Volts}$
4	Quadrant of operation	Second	First
5	Type of Chopper	Single quadrant	Single quadrant
6	External Inductance	Required	Not Required
7	Application	Battery charging, voltage booster	Motor speed control

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