Question

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Q6.Explain clearly how the rating of a lightning arrester is selected. What is the best location of a
lightning arrester and why?​

Answer 1

Explanation:

Lightning arrester should be located close to the equipment that it is expected to protect. In large substations, arrestors should be installed at take-off points of the lines and of the terminal apparatus. ... The Arresters are installed both on the High Voltage and Low Voltage side of the transformers.