Transmission Line Surge Impedance Calculation - CR4 Discussion Thread

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ikhanuk Commentator Join Date: Aug 2009 Posts: 91	Transmission Line Surge Impedance Calculation 05/23/2010 4:57 AM
	Hi all I need to know how can we calculate approx value of surge impedance of transmission line for Lightning protection calculations .. Regards __________________ Correct me if i am wrong i am learner
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wareagle Guru Join Date: Jun 2008 Location: Alabama Posts: 1604 Good Answers: 63	#1 Re: Surge Impedence Calculation transmission line 05/23/2010 10:28 AM
	http://cr4.globalspec.com/search/sitesearch?do=show&sort=textmatchrank&srch=surge%20impedence&srchobjs=t%2Cc&fs=12&order=asc
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ikhanuk Commentator Join Date: Aug 2009 Posts: 91	#2 Re: Transmission Line Surge Impedance Calculation 05/26/2010 2:32 PM
	It is surge impedence not the SIL which gives the TL capacity . I found out in westinghouse book that it ranges from 260 to 350 they actually made a table for that . __________________ Correct me if i am wrong i am learner
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