High voltage insulator installation security considerations, and dangerous point - control Product news - Yueqing rui electric limited company

by:Mings     2020-05-01
High voltage insulator installation safety precautions and risk control 4. 1. High voltage insulator installation safety note 4. 1. 1. The production line reclosing must quit work, scheduling approval rear can work. 4. 1. 2. Before the start of the live working insulating tools must be used to test the insulation resistance by megger are 2500 v ( Electrode width: 2 cm, pole spacing: 2 cm) Insulated tools resistance value is not less than 700 ohms. 4. 1. 3. Stem and equipotential personnel must wear full set of qualified shielding clothing. 4. 1. 4. On site must wear safety helmet, stem personnel shall not lose the protection of the belt. 4. 1. 5. Operation process, the pole assignment personnel shall not touch not out of charged conductor high-voltage insulator; Equipotential homework personnel must keep the safety distance is not less than: 110 kv & ndash; 1. 0 meters; 220 kv - - - - - - - 1. 8 meters; The safety of the adjacent phase distance: 110 kv & ndash; 1. 4 meters; 220kV— 2. 5 meters; 4. 1. 6. Keep effective length of insulation lever insulated tools: 10 kv - - - - - - - 1. 3 meters; 220 kv - - - - - - - 2. 1 meter insulation rope, bearing tools: 110 kv & ndash; 1. 0 meters; 220 kv - - - - - - - 1. 8 m 4. 1. 7. Before operation must to zero detection of composite insulator, good high voltage insulator piece number must achieve: 110 kv & ndash; 5 pieces; 220kV— 9 pieces can be charged. 4. 1. 8. Strengthen site monitoring, timely correcting unsafe action. The bad weather, stop the operation. 4. 2. Dangerous point control measures number work dangerous point control measures 1 insulation breakdown should use the test instruments, tools and testing in site 2 different potential discharge keep enough safety distance, strengthen the monitoring of 3 electrostatic induction electric shock pole personnel should wear full set of shielding clothing 4 equipotential falling equipotential homework personnel should be used in the process of the ladder insulation protection line 5 insulating plate fracture the mitigation action, avoid shock. Shall be confirmed by the inspection tool force behind the safety and reliability can be out of the insulator string and wire connection. 【 On a message: high voltage insulator materials with different parameters and performance comparison 】 【 The next message: composite insulator external insulation design methods 】
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