DESIGNING METHOD FOR BREAKDOWN VOLTAGE IN DROP LINE ENTRANCE AND DISTRIBUTION DROP LINE ENTRANCE DEVICE
PROBLEM TO BE SOLVED: To realize effective insulating measures with high efficiency at a low cost. SOLUTION: The maximum voltage of an external insulation path L3 (the path of a ground point P3 to a ground 5 for customers to a metal sheath 3-2 for distribution line or a stringing 3-2' for distr...
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