Question

d) With the aid of a sketch, explain why connecting solar cells directly to a motor is usually unwise. a) With the aid of a diagram, explain how and why an optical isolator is employed in the gate of a voltage driven device. e With the aid of a diagram, explain how DAG systems can make a power network more unstable

Answer 1

d) As you know solar radiations are not same throughout day so there need of converter.As the load is DC then no problem but if the load is AC then required converter.