A single line diagram(SLD) and a purchase order of a
11/66kV switchyard of a power plant was given. In the SLD,
only one lightning arrestor(LA) was shown, but the purchase
order had need of 3 LAs. Is this correct, if yes, why?

Answer Posted / sakthivel

IT IS CORRECT WE REQUIRED 3 LA IN 3 PHASE

Is This Answer Correct ?    16 Yes 2 No



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