Operation Specifications for 110(66)kV~500kV Overhead Transmission Lines Article 1 This specification is formulated to regulate the operation and management of overhead transmission lines (hereinafter referred to as \"transmission lines\" or \"lines\"), to standardize and institutionalize them, and to ensure the safe, reliable and economical operation of equipment. Article 2 This specification is formulated in accordance with relevant national (industry) laws, regulations, standards (including procedures, specifications, etc., hereinafter the same), and production technical documents (including guidelines, management systems, etc., hereinafter the same) issued by the State Grid Corporation of China, and in combination with the operation experience of power transmission lines in the national power system in recent years and equipment evaluation and analysis. Article 3 This specification proposes specific requirements or guiding opinions on the engineering design, acceptance, operation, defect management, accident prediction and handling, technical management, equipment rating, live working, personnel training and other work in the production process of overhead transmission lines, as well as key work of operation and maintenance. Article 4 This specification applies to 110(66)kV~500kV AC overhead transmission lines within the State Grid Corporation of China system. ±500kV DC lines and 35kV AC lines can be implemented as a reference. Article 5 Regional power grids and provincial (autonomous region, municipality directly under the central government) power companies may formulate implementation details suitable for the actual conditions of the power grid in their region based on this specification. DL/T 626-2004 Inspection Procedure for Deteriorated Disc Suspension Insulators Technical Conditions for Emergency Repair of 110~500kV Towers (Provisional) (Electric Power Supply [1991] No. 4) General Technical Standard for Anti-theft Hardware (Provisional) (Electric Power Supply [1991] No. 4) State Grid Corporation of China \"Measures for the Management of Electric Power Production Equipment Evaluation\" State Grid Corporation of China \"Regulations on Investigation of Electric Power Production Accidents\" State Grid Corporation of China \"Technical Standards for 110(66)kV~500kV Overhead Transmission Lines\" State Grid Corporation of China \"Technical Supervision Regulations for 110(66)kV~500kV Overhead Transmission Lines\" State Grid Corporation of China \"Preventive Measures for Accidents of 110(66)kV~500kV Overhead Transmission Lines\" State Grid Corporation of China \"Guidelines for Maintenance of 110(66)kV~500kV Overhead Transmission Lines\"
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