1 Scope
This part of GB/T 18890 specifies the basic structure, model designation, technical requirements, test and acceptance rules, packaging, transportation and storage of power cables with cross-linked polyethylene insulation and their accessories for rated voltage of 220kV (Um=252kV).
This part is applicable to outdoor termination, gas-immersed termination for GIS, oil-immersed (transformer) termination, straight joint and sectionalizing joint used for power cables with cross-linked polyethylene insulation for rated voltage of 220kV (Um=252kV) specified in GB/T 18890.1-2015 under ordinary installation conditions.
This part is not applicable to insulated joint, transition joint for connecting cross-linked polyethylene insulated cable and paper insulated cable and separable cable termination.
2 Normative References
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB 311.1-2012 Insulation Co-ordination - Part 1: Definitions, Principles and Rules
GB/T 1527-2006 Drawn Tube of Copper and Copper Alloys
GB/T 2900.10-2013 Electrotechnical Vocabulary - Electric Cables
GB/T 3048.8-2007 Test Methods for Electrical Properties of Electric Cables and Wires - Part 8: AC Voltage Test
GB/T 3048.12-2007 Test Methods for Electrical Properties of Electric Cables and Wires - Part 12: Partial Discharge Test
GB/T 3048.13-2007 Test Methods for Electrical Properties of Electric Cables and Wires - Part 13: Impulse Voltage Test
GB/T 4109-2008 Insulated Insulator for Alternating Voltages above 1000V
GB/T 4423-2007 Copper and Copper-alloy Cold-drawn Rod and Bar
GB/T 7354-2003 Partial Discharge Measurements
GB/T 8287.1-2008 Indoor and Outdoor Post Insulators for Systems with Nominal Voltage Greater than 1000V - Part 1: Test on Insulators of Ceramic Material or Glass
GB/T 12464 Wooden Boxes
GB/T 16927.1 High-voltage Test Techniques - Part 1: General Definitions and Test Requirements
GB/T 18890.1-2015 Power Cables with Cross-linked Polyethylene Insulation and Their Accessories for Rated Voltage of 220kV (Um=252kV) - Part 1: Test Methods and Requirements
GB/T 18890.2-2015 Power Cables with Cross-linked Polyethylene Insulation and Their Accessories for Rated Voltage of 220kV (Um=252kV) - Part 2: Power Cables
GB/T 21429-2008 Composite Insulators - Hollow Insulators for Use in Outdoor and Indoor Electrical Equipment - Definitions, Test Methods, Acceptance Criteria and Design Recommendations
GB/T 22381-2008 Cable Connections for Gas-insulated Metal-enclosed Switchgear for Rated Voltages of 72.5kV and Above - Fluid-filled and Extruded Insulation Power Cables - Fluid-filled and Dry Type Cable Terminations
GB/T 23752-2009 Hollow Pressurized and Unpressurized Ceramic and Glass Insulators for Use in Electrical Equipment with Rated Voltages Greater than 1000V
GB/T 26218.1-2010 Selection and Dimensioning of High-voltage Insulators Intended for Use in Polluted Conditions - Part 1: Definitions, Information and General Principles
IEC 62271-209:2007 High-voltage Switchgear and Controlgear - Part 209: Cable Connections for Gas-insulated Metal-enclosed Switchgear for Rated Voltages above 52kV - Fluid-filled and Extruded Insulation Cables Fluid - Filled and Dry-type Cable Terminations
IEC/TR 62271-301:2009 High-voltage Switchgear and Controlgear - Part 301: Dimensional Standardization of High-voltage Terminals
3 Terms and Definitions
For the purposes of this document, the terms and definitions given in GB/T 18890.1-2015 and GB/T 2900.10-2013 apply. For the convenience of application, some terms and definitions specified in GB/T 2900.10-2013 are listed below.
3.1
outdoor termination
cable termination used by being directly exposed in sun and/or climatic environment
[GB/T 2900.10-2013, definition 461-10-14]
3.2
Foreword i
1 Scope
2 Normative References
3 Terms and Definitions
4 Service Conditions
5 Product Designation
6 Technical Requirements
7 Accessory Mark
8 Test and Requirement
9 Acceptance Rules
10 Packaging, Transportation and Storage
Annex A (Informative) Performance of Semi-conductive Rubber Belt
Annex B (Informative) Performance of Epoxy Resin Solidified Body (Adhesive)
Annex C (Informative) Performance of Fluid Insulating Filler
Annex D (Informative) Installation Guide
Bibliography
