Power Systems
Oxide film arrestor has which of the following properties?

 It is expensive.
 Installed at points of transmission line where daily visit is difficult.
 Does not require daily charging.
 Both A and B.

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Power Systems
Advantages of shunt compensation is/are

 It requires less maintanance
 smooth voltage regulation is possible by controlling excitation
All of these
 single unit can be used as both capacitance and inductor by adjusting the excitation

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