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Table of Contents
1 Cover
7 Foreword PES Substations Committee
12 1 Introduction 1.1 General 1.2 Definitions 1.3 Standards and References 1.4 Ratings
13 2 Basic Information 2.1 History 2.2 Physics of Gas‐Insulated Switchgear 2.3 Reliability and Availability 2.4 Design 2.5 Safety 2.6 Grounding and Bonding 2.7 Factors for Choosing Gas‐Insulated Substations 2.8 Sulfur Hexafluoride (SF6) 2.9 Alternative Gasses to SF6 2.10 When to Use Gas‐Insulated Substations 2.11 Comparison High Voltage and Medium Voltage AIS, MTS and GIS
14 3 Technology 3.1 General 3.2 Modular Components, Design, and Development Process 3.3 Manufacturing 3.4 Specification Development 3.5 Instrument Transformers 3.6 Interfaces 3.7 Gas‐Insulated Surge Arresters 3.8 Gas‐Insulated Bus 3.9 Guidelines for GIS References
15 4 Control and Monitoring 4.1 General 4.2 GIS Monitoring 4.3 Local Control Cabinet 4.4 Digital Communication References
16 5 Testing 5.1 General 5.2 Type Tests 5.3 Routine Tests 5.4 Onsite Field Testing 5.5 Guidelines for Onsite Tests 5.6 Best Practice for On‐Site Field Testing References
17 6 Installation 6.1 General 6.2 Installation 6.3 Energization: Connecting to the Power Grid References
18 7 Operation and Maintenance 7.1 General 7.2 Operation of a Gas‐Insulated Substation 7.3 Maintenance 7.4 SF6 Gas Leakage Repair 7.5 Repair 7.6 Extensions 7.7 GIS Retrofit or Upgrade 7.8 Overloading and Thermal Limits 7.9 Maintenance and
