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Specification for 1100kV alternating-current disconnectors and earthing switches
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GB/Z 24837-2009
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Basic data | Standard ID | GB/Z 24837-2009 (GB/Z24837-2009) | | Description (Translated English) | Specification for 1100kV alternating-current disconnectors and earthing switches | | Sector / Industry | National Standard | | Classification of Chinese Standard | K43 | | Classification of International Standard | 29.240.10 | | Word Count Estimation | 62,681 | | Date of Issue | 2009-11-30 | | Date of Implementation | 2010-05-01 | | Quoted Standard | GB/T 1804; GB/T 2900.20-1994; GB 3804-2004; GB 4208; GB/T 5582; GB/T 7354-2003; GB 7674-2008; GB/T 11022-1999 | | Regulation (derived from) | ?National Standard Approval Announcement 2009 No.14 (Total No.154) | | Issuing agency(ies) | Ministry of Health of the People's Republic of China | | Summary | This standard specifies the 1100kV high voltage AC isolation and earthing switches conditions of use, ratings, design and structure, trial, selection guidelines, transport special, storage, installation, such as operation and maintenance requirements. | GBZ24837-2009: Specification for 1100kV alternating-current disconnectors and earthing switches---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.
Specification for 1100kV alternating-current disconnectors and earthing switches
ICS 29.240.10
K43
People's Republic of China national standardization of technical guidance documents
1100 犽 犞 High-voltage AC isolation switch and earthing switch
specifications
Posted.2009-11-30
2010-05-01 implementation
General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
China National Standardization Administration released
Directory
Foreword V.
Introduction Ⅵ
1 Scope 1
2 Normative references 1
3 Terms and definitions 1
3.1 General Terms 1
3.2 switchgear and control equipment assembly 2
3.3 Assembly part 2
3.4 switch device 2
3.5 Switchgear components 3
3.6 Operation 3
3.7 characteristic parameters 4
4 normal and special conditions of use 7
5 rating 7
5.1 Rated voltage (Ur) 7
5.2 Rated insulation level 7
5.4 Rated current and temperature rise 7
5.5 Rated short-time withstand current (Ik) 7
5.6 Rated peak withstand current (Ip) 8
5.8 Rated power supply voltage (Ua) of closing and opening devices and their auxiliary and control circuits
5.9 closing and opening device and its auxiliary and control circuit rated power frequency 8
5.10 Rated pressure of compressed air source for insulation and/or operation 8
5.11 rated short-circuit closing current 8
5.12 rated terminal mechanical load 8
5.13 isolation switch bus switching current rating capacity 9
5.14 grounding switch rated current opening and closing capacity 9
5.15 isolation switch bus charging current opening and closing capacity rating 9
5.16 isolation switch and earthing switch mechanical life rating 9
5.17 Earthing switch rated electrical life 9
5.18 isolation switch small capacitor current and small inductor current opening and closing capacity rating 9
Design and structure
6.1 pairs of isolating switch and grounding switch liquid medium requirements 9
6.2 pairs of isolating switch and grounding switch gas medium requirements 9
6.3 Grounding of isolating switch and earthing switch 9
6.4 Auxiliary and control equipment 10
6.5 Power operation 10
6.6 Energy Storage Operation 10
6.7 Human-independent operation 10
6.8 Release Unit Operation 10
6.9 Low pressure and high pressure lockout and monitoring device 10
6.10 Nameplate 10
6.11 Interlocking device 11
6.12 position indication 11
6.13 enclosure protection level 11
6.14 Creepage distance 11
6.15 Gas and vacuum seals 11
6.16 Electromagnetic compatibility (EMC) 11
6.17 Earthing switch special requirements 11
6.18 Isolating switch fracture requirements 11
6.19 Mechanical Strength 11
6.20 isolation switch and grounding switch operation --- moving contact system location and instructions, signaling device 12
6.21 The maximum force required for human operation 12
6.22 dimensional tolerance 12
7 type test 13
7.1 Overview 13
7.2 Insulation test 13
7.3 Radio interference voltage (r.i.v) Test 15
7.4 loop resistance measurement 15
7.5 temperature rise test 15
7.6 Short-time withstand current and peak withstand current test 15
7.7 Degree of protection test 16
7.8 Seal Test 16
7.9 Electromagnetic compatibility test (EMC) 16
7.10 Earthing switch short-circuiting ability test 17
7.11 Operation and mechanical life test 17
7.12 Severe freezing conditions 19
7.13 Operating Test at Ultimate Temperature 21
7.14 position indicating device function test 21
7.15 busbar switch current opening and closing test 21
7.16 induction current opening and closing test 21
7.17 bus charging current opening and closing test 21
8 factory test 21
8.1 Main circuit insulation test 22
8.2 Auxiliary and control circuit insulation test 22
8.3 measurement of the main loop resistance 22
8.4 Seal Test 22
8.5 Design and Visual Inspection 22
8.6 Mechanical operation test 22
9 isolating switch and earthing switch selection guide 23
9.1 Overview 23
9.2 Normal operating conditions, the choice of rating 23
10 With Inquiry, Tender and Order Information 24
10.1 Information provided with inquiry sheets and orders 24
10.2 Information provided with the tender 26
11 Rules for transport, storage, installation, operation and maintenance 27
11.1 Conditions for transportation, storage and installation 27
11.2 Installation 27
11.3 Operation 27
11.4 Maintenance 27
12 Security 27
12.1 Electrical aspects 27
12.2 Mechanical aspects 27
12.3 Hot Aspects 27
12.4 Operational aspects 27
Appendix A (Normative) Position Indicating Device Design and Test 28
A. 1 Overview 28
A. 2 normal and special conditions of use 28
A. 3 Terms and definitions 28
A. 4 rating 28
A. 5 Design and structure 28
A. 6 type test 29
A. 7 factory test 30
Appendix B (Normative) Switchgear opening and closing busbar conversion current 32
B. 1 Overview 32
B. 2 normal and special conditions of use 32
B. 3 Terms and definitions 32
B. 4 rating 32
B. Design and structure
B. 6 type test 33
Appendix C (Normative) Grounding switch opening and closing induced current 37
C. 1 Overview
C. 2 normal and special conditions of use 37
C. 3 Terms and definitions 37
C. 4 rating 38
C. Design and construction
C. 6 type test 38
Appendix D (Informative) Grounding switch operating (temporarily close) the most unfavorable insulation position of the test voltage 43
Appendix E (Normative) For gas-insulated and/or metal-enclosed switchgear used in the isolation switch and earthing switch
Special request
E. 1 Scope and object 44
E. 2 Normative references 44
E. 3 Terms and definitions 44
E. 4 normal and special conditions of use 44
E. 5 rating 44
E. Design and Structure
E. 7 type test 45
E. 8 factory test 46
E. 9 isolating switch and earthing switch selection guide 46
E. 10 With Inquiry, Tender and Order Information 47
E. Transport, Storage, Installation, Operation and Maintenance Rules
Appendix F (Normative) 1100kV gas-insulated metal-enclosed switchgear --- isolation switch opening and closing bus charging current
Request 48
F. 1 Overview 48
F. 2 normal and special conditions of use 48
F. 3 Terms and definitions 48
F. 4 type test 48
References 54
Foreword
This Guidance Document shall be used in conjunction with GB/T 11022. Unless otherwise specified in this Guidance Document, this Guidance Note
Part implementation of the provisions of GB/T 11022.
Appendix A, Appendix B, Appendix C, Appendix E and Appendix F of this guidance document are normative appendices, Appendix D is informative
appendix.
This Guidance Document is proposed by China Electricity Council.
This Guidance Document is administered by China Electricity Council.
The guidance of technical documents by the UHV AC Transmission Standardization Technical Committee, China Electric Power Research Institute responsible for the interpretation.
The guidance of technical documents drafted by. State Grid Corporation, China Electric Power Research Institute.
The guidance of technical documents participated in the drafting unit. Xi'an Institute of High Voltage Electric, East China Power Grid Co., Ltd., Tsinghua University, Xi'an Jiaotong University
Xi'an High Voltage Electric Co., Ltd., Henan Ping High Electric Co., Ltd., New Northeast Electric (Shenyang) Co., Ltd. high-voltage switch is limited
the company.
The main drafters of this technical guidance document. Wang Chengyu, Gu Nihong, Sun Gang, Cui Jingchun, Cui Boyuan, Guo Yuanyuan, Chen Guoqiang, Yuan continent.
Drafters of this guidance document. Liu Beitao, Li Peng, Liu Zhaolin, Xu Guozheng, Ma Zhiying, Zhang Meng, Xia Wen, Han Shumo, Zhao Hongfei,
Sun Yongheng, Zhang Duo.
Introduction
The guidance of technical documents is based on GB 1985-2004 "high-voltage AC isolation switch and grounding switch" and the southeastern Shanxi - Jingmen - Nanyang
1000kV UHV AC pilot demonstration project in the experience of development.
1100 犽 犞 High-voltage AC isolation switch and earthing switch
specifications
1 Scope
This Guidance Document specifies the conditions of use, rating, design and junction of 1100kV high voltage AC disconnectors and earthing switches
Construction, testing, selection guidelines, transportation, storage, installation, operation and maintenance requirements.
This guidance applies to the design and installation of outdoor installation, rated voltage 1100kV and the operating frequency of 50Hz AC isolation switch
And ground switch.
This guidance document also applies to the operating mechanism of these disconnectors and grounding switches and their ancillary equipment.
Additional requirements for disconnectors and earthing switches in gas-insulated metal-enclosed switchgear and controlgear are given in GB 7674.
2 Normative references
The following documents contain provisions which, through reference in this Guidance Document, become the provisions of this Guidance Note document. All indicate the date
, All subsequent Amendments (not including errata content) or revisions do not apply to this guidance document, however,
Encourage parties who reach an agreement based on this guidance document to study whether the latest versions of these documents are applicable. All do not indicate the date
Cited documents, the latest version of this guidance applies to technical documents.
GB/T 1804 General tolerances Tolerances for linear and angular dimensions without tolerance (eqv ISO 2768-1.
1989)
GB/T 2900.20-1994 Electrotechnical terminology high-voltage switchgear (neqIEC 60050 (IEV). 1984)
GB 3804-2004 3.6kV ~ 40.5kV high voltage AC load switch (IEC 60265-1..1998, MOD)
GB 4208 enclosure protection (IP code) (GB 4208-2008, IEC 60529..2001, IDT)
GB/T 5582 high voltage power equipment outer insulation contamination level (GB/T 5582-1993, neqIEC 507..1991)
GB/T 7354-2003 Partial Discharge Measurement (IEC 60270..2000, IDT)
GB 7674-2008 Rated voltage 72.5kV and above gas-insulated metal-enclosed switchgear (IEC 62271-203..2003,
MOD)
GB/T 11022-1999 high-voltage switchgear and control equipment standards common technical requirements (eqv IEC 60694..1996)
3 Terms and definitions
GB/T 11022 established and the following terms and definitions apply to the guidance of technical documents.
3.1
Common terminology
3.1.1
Suitable for open-air switchgear and control equipment that withstands wind, rain, snow, deposited dust, condensation, ice and frost.
3.1.2
The difference between the part temperature and the ambient air temperature.
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