Security Analysis of 220kV Transmission Line with Four Circuits on the Same Tower Crossing High Speed Rail
The 220kV transmission line with four circuits on the same tower crosses Jinghu high speed rail.The tension-suspension-tension type is adopted in crossing the tension independent span.Various influencing factors are anayzed,including route selection,meteorological conditions,conductor and earth line,insulators and fitting series,tension independent segment,clearance distance,distance between crossing tower and railway,tower material and design,foundation design,tower using conditions,seismic design,etc.It is indicated that the crossing meets the relevant technical requirements of the electricity and railway sectors,which ensures that the high speed railway can operate safely,achieving the mutually beneficial goal between power and high speed rail industry.
220kVfour circuits on the same towercrossing over high speed railsecurity analysis
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