Performance measurement and analysis of single phase AC voltage controller

Answer the questions given below (refer Fig.1):


Fig. 1. Circuit configuration of AC voltage controller.


1. Which of the following cannot be used as a fully controlled AC-voltage controller
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2. The DC component in asymmetrical AC voltage controller with SCR controlling in positive half cycle and Diode conducting in negative half cycle will be
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3. A single phase AC voltage controller is used to convert:
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4. What will be the relation between firing angle (α), extinction angle (β) and conduction angle (γ)?
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5. What will be the effect of using diode in place of SCR-T1?
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