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Full Description
This CIGRE Green book on accessories for HV and EHV extruded cables covers relevant issues in cable system design, cable design, and submarine cables, including offshore generation connection. It provides comprehensive and unbiased information, essential recommendations and guidelines for design, installation, testing and maintenance of accessories to professionals through the exceptional expertise of the authors.The publication is divided in two volumes covering land and submarine applications, HVAC and HVDC systems, andtransitions from lapped cable systems to extruded cable systems, from OHL to UG cables and from cables to substations. It equips the reader with recommendations for testing, installation, maintenance, and remaining life management. This volume is dedicated to Land and Submarine AC/DC Applications while Volume 1 deals with Components.The book compiles the results of the work achieved by several Working Groups and Task Forces of CIGRE Study Committee 21/B1, and Joint Working Groups and Joint Task Forces with other Study Committees. Many experts from Study Committees 21/B1 (Insulated Cables), 15/D1 (Materials and Emerging Test Techniques), 33/B3 (Substations), C3 (System Environmental Performance), and C4 (System Technical Performance) have participated in this work in the last 30 years in order to offer comprehensive, continuous, and consistent outputs.
Contents
12 Guidelines for safe work on AC cable systems under induced voltages or current12.1 Introduction12.2 Definition of induced voltages12.3 Principles of safe work12.4 Work procedures12.5 Working conditiond12.6 Methods of Calculation12.7 Conclusion12.8 Bibliography/References13 Recommendations for testing of long AC Submarine Cables with Extruded Insulation for System Voltage above 30(36) to 500 (550) kV13.1 Introduction13.2 Definitions13.3 Current technologies for submarine cable designs13.4 Current technologies for submarine joint designs13.5 General aspects on submarine cable testing13.6 Routine Test13.7 Sample Test13.8 Type Test on Cable System13.9 Prequalification Test13.10 Extension of Qualification Test13.11 Electrical tests after installation13.12 References13.13 Appendices14 Accessories in Transitions from Overhead to Underground14.1 Transition in Compounds/Substations14.2 Transition on Towers/poles15 Accessories in Large Cross-Section Cable Systems15.1 Scope and definitions 15.2 Introduction15.3 Rigid Installations15.4 Flexible installations15.5 transition between rigid and flexible Systems15.6 Duct installations15.7 Short-circuit forces15.8 Cleat applications15.9 Mechanical cable parameters15.10 Conclusions15.11 Bibliography/References15.12 Annexes16 Recommendations for mechanical testing of submarine cables and their accessories16.1 Introduction16.2 Definitions16.3 Mechanical handling of submarine cables16.4 General aspect of mechanical testing16.5 type tests16.6 Project specific tests and special tests16.7 Bibliography/references16.8 Annexes17 Recommendations for testing DC extruded cable systems for power transmission at a rated voltage up to 500 kV.17.1 Introduction17.2 Development tests17.3 Prequalification tests17.4 Type Tests17.5 Routine tests17.6 Sample tests17.7 After installation tests17.8 References17.9 Appendices18 Recommendations for Testing DC Transition Joints for Power Transmission at a Rated Voltage up to 500kV.18.1 Introduction18.2 Definitions18.3 Development Tests18.4 Routine Test18.5 Sample Test18.6 Type Test18.7 Prequalification Test18.8 Electrical Test after Installation18.9 References18.10 Appendix19 Surge Voltage Limiters and Link Boxes20 Maintenance and remaining life management of accessories20.1 Maintenance20.2 Remaining life management21 New Work Items21.1 HVAC21.2 HVDC
