Analysis of Lightning Stroke Accident on 35 kV Transmission and Distribution Equipment and its Countermeasures
Jun Wang · Shaanxi Electric Power · 2007
Aiming at 35 kV Su-Ning power transmission line with various-point break and bumout accident of 35 kV distribution equipment in Ning-Tiao substation, measures of lightning-shielding are discussed from defending and protection aspects, such as adding zinc oxide arrestor to 35 kV outgoing line cabinet and power transmission tower, increasing TA ratio of 35 kV outgoing line cabinet and guard wire section, fulfilling the management tasks, and consolidating the safety basis. Practice shows that the results are satisfactory. Almost five years of operation practice has shown that the system has operated well.