Manual for Inspection and Protection of Overhead Transmission Lines Published: 2015
Brief introduction of the "Overhead transmission line inspection and protection manual" In order to strengthen the power grid company linemen and new employees to understand the basic knowledge of overhead transmission lines, improve their ability to find and judge line defects or hidden dangers, State Grid Shandong Province Electric Power The company wrote the book. The book is divided into four chapters, which mainly introduce the basic knowledge of transmission lines, the content and standards of transmission line inspections, the experience of transmission line inspections, and common knowledge of lines. As the focus of the book, Chapter 2 gives the inspection content and standards for transmission lines such as overhead transmission line channels, towers, foundations, grounding, cables, grounding conductors, insulators, and hardware.
Preface Chapter I Basic knowledge of transmission lines Section I Basic knowledge I. Overview II. Basic knowledge Section II Transmission lines common tower types I. Cement pole II. AC transmission line tower III. DC transmission line tower III Section transmission line Main Components Section 4 Line Defects Chapter 2 Transmission Line Inspection Contents Section 1 Basic Requirements for Transmission Line Inspections 1. Basic Requirements for Inspections 2. Regular Inspections
Preface Chapter I Basic knowledge of transmission lines Section I Basic knowledge I. Overview II. Basic knowledge Section II Transmission lines common tower types 1, Cement poles II, AC transmission line towers III, DC transmission line towers Section III Transmission lines mainly Parts Section 4 Line Defects Chapter 2 Transmission Line Inspection Contents Section 1 Basic Requirements for Transmission Line Inspections 1. Basic Inspection Requirements 2. Routine Inspection 3. Guard Line Inspection Section 2 Channel Inspection Contents and Standard Section 3 Pole Tower Inspection Contents and Standard Section 4 Basic Tour Contents and Standards Section 5 Ground Tour Contents and Standards Section 6 Pull Wire Tour Contents and Standards Section 7 Guidance, Ground Wire Tour Contents and Standards Section 8 Insulator Tour Contents and Standard Section 9 Hardware Inspection Tours And Standards Chapter 3 Inspection Experience of Transmission Lines Section 1 Typical Failure Inspection Experience I. Lightning Strike Failure II. External Force Failure Failure III. Bird Damage Failure IV. Composite Insulator Fracture Failure Section II. Transmission Line Dancing and After Inspection Points 1. Mechanism and triggering factors 2. Overview of major galloping events in Shandong Power Grid 3. Impact of galloping on line equipment 4. Photographs of typical equipment defects after galloping Chapter 4 Common knowledge of lines Section 1 Ground distance of line conductors and crossing over Section 2 Overhead line sag calculation Section 3 Corrosion characteristics of poles and towers Appendix Appendix 1 of Shandong Provincial Regulations on Electricity Facilities and Energy Protection Chapter 2 Protection of Electric Power Facilities Chapter 3 Protection of Electric Power Chapter 4 Supervision and Administration Chapter 5 Legal Liabilities Chapter 6 Supplementary Provisions References