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موضوع
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What are the frequencies(HZ) of surges/impulses including lightening and switching which travels along transmission lines and pass to ground via SPDs?
What are the frequencies(HZ) of surges/impulses including lightening and switching which travels along transmission lines and pass to ground via SPDs?
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پاسخها
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From measurements made on communication lines and on utility power lines, both outside and within structures,
In addition a detailed explanation given by Mr. Hamid, IEC 60071-4 Document on Insulation coordination can be referred for more details
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