How to correct and safe installation of high voltage insulator
the correct device of high voltage insulator, quest reclosing must refund charge, and gain scheduling allows the certificate to task properly. Task before beginning at the scene, use insulated tools must have 2500 v measurement insulation resistance by megger test electrode width: 2 cm, and the maximum spacing: for 2 cm tools insulation resistance should not be less than 700 euro.
lever and the equipotential personnel must wear full protective clothing. Field personnel must Dai Ping Ann cap, task personnel shall not lose peace with cover. During the course of operation, stem, the task of personnel shall not involve low voltage insulator is from the front; Operators must adhere to the equipotential grounding safe interval: 110 kv1. 0m; 220 v, 1. 8 meters; Adjacent stages and the peace of interval: 110 kv - - - - - - - 1. 4m; 220 v 2. 5 meters tools adhere to the effective length of insulation, insulation lever: 10 kv - - - - - - - 1. 3 meters; 220 kv2。 1, insulation rope and bearing tools: 110 kv - - - - - - - 1. 0m; 220 kv - - - - - - - 1. 8 meters, composite insulator zero testing required before operation, and a good number of low voltage insulator must reach: 110 kv - - - - - - - 5 pieces; 220 kv - 9 to recharge.
insulation breakdown should use test equipment, tools and field experiment, the different potential discharge enough safe interval, strengthen supervision, electrostatic induction electric shock bar staff should block wear full set of clothing, such as potential land potential homework personnel should use in the course of a fitness rope insulation cover, insulation board to alleviate fracture behavior, prevent shock.
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