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GB/T 22078.1-2008: Power cables with cross-linked polyethylene insulation and their accessories for rated voltage of 500kV (Um=550kV) -- Part 1: Power cable systems-cables with cross-linked polyethylene insulation and their accessories for rated voltage of 500kV (Um=550kV).
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| GB/T 22078.1-2008 | English | 759 |
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Power cables with cross-linked polyethylene insulation and their accessories for rated voltage of 500kV (Um=550kV) -- Part 1: Power cable systems-cables with cross-linked polyethylene insulation and their accessories for rated voltage of 500kV (Um=550kV).
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GB/T 22078.1-2008
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Basic data | Standard ID | GB/T 22078.1-2008 (GB/T22078.1-2008) | | Description (Translated English) | Power cables with cross-linked polyethylene insulation and their accessories for rated voltage of 500kV (Um=550kV) -- Part 1: Power cable systems-cables with cross-linked polyethylene insulation and their accessories for rated voltage of 500kV (Um=550kV). | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | K13 | | Classification of International Standard | 29.060.20 | | Word Count Estimation | 33,395 | | Date of Issue | 2008-06-30 | | Date of Implementation | 2009-04-01 | | Quoted Standard | GB/T 2951.11-2008; GB/T 2951.12-2008; GB/T 2951.14-2008; GB/T 2951.21-2008; GB/T 2951.31-2008; GB/T 2951.32-2008; GB/T 2951.41-2008; GB/T 2952.1-1989; GB/T 3048.12-2007; GB/T 3048.13-2007; GB/T 3956-1997; GB/T 16927.1-1997; GB/T 18380.1-2001; GB/T 22078.2-2008; JB/T 8996-1999; JB/T 10696.5-2007; JB/T 10696.6-2007 | | Adopted Standard | IEC 62067-2006, MOD | | Regulation (derived from) | Announcement of Newly Approved National Standards No. 11 of 2008 (No. 124 overall) | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This standard specifies the rated voltage of 500kV (Um = 550kV) fixed installation began insulated XLPE cable systems, cables and their accessories Test methods and requirements. This test requirements for the installation and operating conditions are usually single-core cables and accessories, does not apply to special cables and accessories, such as submarine cables. For special electrical system may need to modify this section may require special design test or test conditions. | GB/T 22078.1-2008: Power cables with cross-linked polyethylene insulation and their accessories for rated voltage of 500kV (Um=550kV) -- Part 1: Power cable systems-cables with cross-linked polyethylene insulation and their accessories for rated voltage of 500kV (Um=550kV).
---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Power cables with cross-linked polyethylene insulation and their accessories for rated voltage of 500kV (Um = 550kV) Part 1. Power cable systems-cables with cross-linked polyethylene insulation and their accessories for rated voltage of 500kV (Um = 550kV). Te
ICS 29.060.20
K13
National Standards of People's Republic of China
Rated voltage of 500 k Vp (U m1 = 550 k Vp) crosslinked
Polyethylene insulated power cables and accessories
Part 1. The rated voltage of 500 k Vp (U m1 = 550 k Vp)
XLPE insulated power cables and accessories
--- Test methods and requirements
(IEC 62067.2006, MOD)
Posted 2009-04-01 2008-06-30 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Table of Contents
Introduction Ⅲ
1 Scope 1
2 Normative references 1
3 Definitions 2
4 voltage and marking material 3
5 cable water-blocking measures 3
6 cable characteristics 3
Characteristics of Annex 4 7
Test conditions 4 8
9 cables and prefabricated insulated accessory main routine test 5
10 Cable 6 sampling test
11 Annex 8 sampling test
Type 12 cable system test 8
13 cable systems pre-qualification tests 15
After the installation of electrical test 14 16
Appendix A (normative) rounding off 18
Appendix B (normative) semi-conductive shielding resistivity measurement 19
Annex C (normative) permeability test 21
Annex D (normative) Test buried joint outer protective layer 23
Appendix E (normative) insulating layer impurities, micro and semi-conductive shielding layer and the porous insulating layer interface, the protrusion 25 test
Annex F (informative) of this section with IEC 62067.2006 technical differences and their reasons 26
Foreword
GB/T 22078 "rated voltage of 500kV (Um = 550kV) XLPE insulated power cables and accessories" is divided into three parts.
--- Part 1. Rated voltage 500kV (Um = 550kV) XLPE insulated power cables and test methods for accessories ---
And requirements;
--- Part 2. Rated voltage 500kV (Um = 550kV) XLPE insulated power cables;
--- Part 3. Rated voltage 500kV (Um = 550kV) XLPE insulated power cable accessories.
This section GB/T 22078 Part 1.
The partial modification of the use of IEC 62067.2006Ed. 1.1 "rated voltage of 150kV (Um = 170kV) above to 500kV (Um =
550kV) extruded insulation cables and accessories --- Test method and requirements "(in English). IEC Technical Committee 20 (cable) has decided to
The contents of this publication until 2010, remains unchanged. To this time, this publication will be reconfirmed or repeal or amend or modify.
The main technical content of this section and write formats, text structure and IEC 62067.2006 same, but using only the outer sheath material and normal
Operating conditions of cable conductor maximum temperature of 90 ℃ adapted ST7 ST2 and outer sheath mixture; type test increased microporous insulation layer, miscellaneous
And semi-conductive shielding layer and the porous insulating layer interface, projection test, a corresponding increase in Appendix E. impurity insulating layer, porous and semi-conductive shield and absolute
Porous insulating layer interface, projection test; increased outer jacket Test for abrasion and corrosion aluminum sleeve extension trial. Insulation and insulation requirements eccentricity value tanδ
Routine test requirements and test sensitivity of partial discharge requirements are more stringent than IEC 62067.2006. About the technical differences have been incorporated into the text
And identifies a single vertical line in which they are involved with the provisions margin. These technical differences are given in Appendix F and its prime
Because the list for reference.
This section of the Appendix A, Appendix B, Appendix C, Appendix D, Appendix E is a normative appendix, Appendix F for the informative appendix.
This part is proposed by the China Electrical Equipment Industrial Association.
This part of the National Standardization Technical Committee Wire and Cable (SAC/TC213) centralized.
This part of the unit responsible for drafting. Shanghai Electric Cable Research Institute.
Participated in the drafting of this section. Wuhan High Voltage Research Institute, the national wire and cable products for Quality Supervision and Inspection Center, TBEA Shandong Luneng
Taishan Cable Co., Ltd., Far East Holding Group Co., Ltd., Shanghai cable transmission and distribution company, Tianjin plastic power cable Group Limited.
The main drafters of this section. should Qiliang, Yang Liming, Wu Changshun, summoned Liu, Wang Chuanbin, Jiang Yun, Han Zhangwu.
Rated voltage of 500 k Vp (U m1 = 550 k Vp) crosslinked
Polyethylene insulated power cables and accessories
Part 1. The rated voltage of 500 k Vp (U m1 = 550 k Vp)
XLPE insulated power cables and accessories
--- Test methods and requirements
1 Scope
This section GB/T 22078 specifies the rated voltage of 500kV (Um = 550kV) XLPE insulated cable system for fixed installation
Systems, cables and their accessories - Test methods and requirements.
This requirement applies to single-core test cables and accessories under normal installation and operating conditions, not apply to special cables and accessories, such
Such as submarine cables. For special cables may need to modify the test in this section may require special design or test conditions.
This section does not include cross-linked polyethylene insulated cables paper insulated cables and transition joints.
2 Normative references
The following documents contain provisions which, through reference GB/T 22078 in this section constitute provisions of this section. For dated reference documents
Member, all subsequent amendments (not including errata content) or revisions do not apply to this section, however, encouraged to reach under this section
Parties to research agreement to use the latest versions of these documents. For undated reference documents, the latest versions apply to this
section.
GB/T 2951.11-2008 and optical cables - Common test methods for insulating and sheathing materials Part 11. General test method
Measurement of thickness and overall dimensions of mechanical tests (IEC 60811-1-1.2001, IDT)
GB/T 2951.12-2008 and optical cables - Common test methods for insulating and sheathing materials Part 12. General test method
Thermal aging methods (IEC 60811-1-2. 1985, IDT)
GB/T 2951.14-2008 cable and the cable Common test methods for insulating and sheathing materials - Part 14. General test method
Low temperature test (IEC 60811-1-4. 1985, IDT)
GB/T 2951.21-2008 cable and the cable Common test methods for insulating and sheathing materials - Part 21. elastomeric compounds designed
Ozone Test Test Test Method for Thermal extending mineral oil immersion tests (IEC 60811-2-1.2001, IDT)
GB/T 2951.31-2008 cable and the cable Common test methods for insulating and sheathing materials - Part 31. Polyvinyl chloride mixture
Methods specific high temperature pressure test test for resistance to cracking (IEC 60811-3-1. 1985, IDT)
GB/T 2951.32-2008 cable and the cable Common test methods for insulating and sheathing materials - Part 32. Polyvinyl chloride mixture
Methods specific weight loss test - Thermal stability test (IEC 60811-3-2. 1985, IDT)
GB/T 2951.41-2008 cable and the cable Common test methods for insulating and sheathing materials Part 41. polyethylene and polypropylene
Mixed Methods specific environmental stress cracking resistance test melt index measurement method - direct measurement of combustion of carbon black and polyethylene /
Or mineral filler content - Thermal gravimetric analysis (TGA) measurements of carbon black content - microscopy assessment of carbon black dispersion in polyethylene
(IEC 60811-4-1.2004, IDT)
GB/T 2952.1-1989 cable outer sheath - Part 1. General
GB/T 3048.12-2007 wire and cable electrical performance test methods - Part 12. Partial discharge tests (IEC 60885-3.
1988, MOD)
GB/T 3048.13-2007 wire and cable electrical performance test methods - Part 13. impulse voltage test (IEC 60230. 1966,
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