GBZ24838-2009 English PDF

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/Z 24838-2009	RFQ	ASK	7 days	Specification for 1100kV alternating-current high-voltage circuit-breakers	Obsolete

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Basic data

Standard ID: GB/Z 24838-2009 (GB/Z24838-2009)
Description (Translated English): Specification for 1100kV alternating-current high-voltage circuit-breakers
Sector / Industry: National Standard
Classification of Chinese Standard: K43
Classification of International Standard: 29.240.10
Word Count Estimation: 45,483
Date of Issue: 2009-11-30
Date of Implementation: 2010-05-01
Quoted Standard: GB 1984-2003; GB/T 4473-2008; GB/T 11022-1999; GB/T 12022; GB/T 13540
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 conditions 1100kV high voltage AC circuit breaker, ratings, design and structure, trial, selection guidelines, transport, storage, installation, such as operation and maintenance requirements. The technical guidance document for the design and installation outdoors is running at a frequency of 50Hz, nominal voltage of 1000kV UHV power system in the high-voltage AC circuit breaker. The technical guidance document also applies to 1100kV breaker operating mechanism and its auxiliary equipment.

GBZ24838-2009: Specification for 1100kV alternating-current high-voltage circuit-breakers

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Specification for 1100kV alternating-current high-voltage circuit-breakers ICS 29.240.10 K43 People's Republic of China national standardization of technical guidance documents 1100 犽 犞 high voltage AC circuit breaker technical 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 4 normal and special conditions of use 2 4.1 normal conditions of use 2 4.2 special conditions of use 2 5 rating 2 5.1 Overview 2 5.2 Rated voltage (Ur) 3 5.3 Rated insulation level 3 5.5 Rated current (Ir) and temperature rise 3 5.6 Rated short-time withstand current (Ik) 3 5.7 Rated peak withstand current (Ip) 3 5.9 Operating mechanism and auxiliary power supply and control circuit rated voltage (Ua) 3 5.10 operating mechanism and auxiliary circuit rated power frequency 3 5.11 Rated filling level of gas or liquid for insulation, operation and/or breaking 3 5.12 Rated short-circuit breaking current (Isc) 3 5.13 Transient recovery voltage associated with the rated short-circuit breaking current 4 5.14 rated short-circuit current 5 5.15 Rated operating sequence 5 5.16 near-zone fault characteristics 5 5.17 Rated out of step closing and breaking current 6 5.18 Rated opening and closing overhead transmission line charging current 6 5.19 Ability to open and close the no-load transformer 6 5.20 open and shunt reactor capacity 6 5.21 both ends of shunt reactor opening and closing capacity of empty lines 6 5.22 Rated time parameters 6 5.23 Number of mechanical stability operations 7 5.24 circuit breaker electrical life 7 5.25 points, closing resistance and auxiliary fracture 7 5.26 Noise level 7 6 Design and Structure 7 6.1 circuit breaker liquid requirements 7 6.2 circuit breaker gas requirements 7 6.3 Circuit breaker grounding 7 6.4 Auxiliary and control equipment 7 6.5 energy storage switch 8 6.6 Release operation 8 6.7 Low pressure and high pressure locking device 8 6.8 nameplate 8 6.9 Interlocking device 9 6.10 enclosure protection class 9 6.11 Creepage distance 10 6.12 gas seal 10 6.13 liquid seal 10 6.14 Flammability 10 6.15 Electromagnetic Compatibility (EMC) 10 6.16 General requirements for operation 10 6.17 Operating fluid pressure limit 10 6.18 operating mechanism 10 6.19 Secondary communication protocol 11 6.20 Other Requirements 11 7 type test 11 7.1 Overview 12 7.2 Insulation test and partial discharge measurement 12 7.3 Auxiliary circuit and control circuit insulation test 13 7.4 Voltage Test as Status Check 13 7.5 Radio Interference Voltage (r.i.v.) Test 13 7.6 The main loop resistance measurement 13 7.7 temperature rise test 13 7.8 short-time withstand current and peak withstand current test 13 7.9 Degree of protection inspection 14 7.10 seal test 14 7.11 Electromagnetic compatibility (EMC) test 14 7.12 Mechanical and Environmental Testing 14 7.13 Earthquake resistance test 18 7.14 closing, breaking and opening and closing test 18 7.15 Near-field failure test 22 7.16 Out of step closing and breaking test 22 7.17 Rated line charging current opening and closing test 22 7.18 circuit breakers (E2 level) electrical life test 24 7.19 points, closing resistance heat capacity test 25 8 field test 25 8.1 Field circuit charging current opening and closing test 25 8.2 site opening and closing no-load transformer test 25 8.3 site opening and closing shunt reactor test 25 8.4 Both ends of field lines with shunt reactor opening and closing no-load line test 25 9 factory test 25 9.1 Main Circuit Insulation Test and Partial Discharge Measurement 25 9.2 Auxiliary and control circuit insulation test 26 9.3 Measurement of main loop resistance 26 9.4 Sealing test 26 9.5 Design and Visual Inspection 26 9.6 Mechanical operation and mechanical properties test 26 9.7 SF6 gas humidity measurement 27 10 circuit breaker operation guide 27 10.1 Overview 27 10.2 Selection of rating under operating conditions 27 10.3 Selection of rating under fault conditions 28 10.4 The choice of electric life 30 10.5 no-load line charging current opening and closing of the choice of 30 11 Information provided with inquiry, proposal and order 11.1 Information provided with inquiry and order 30 11.2 Information provided with tenders 31 12 Rules for transport, storage, installation, operation and maintenance 32 12.1 Conditions of transport, storage and installation 32 12.2 Installation 32 12.3 Operation 36 12.4 Maintenance 36 Safety 13

Foreword

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. Sun Xin, Gu Nihong, Ding Yang, Wang Chengyu, Sun Gang, Cui Jingchun. Drafters of the Guiding Technical Paper, Xu Guozheng, Liu Botao, Ma Zhiying, Li Peng, Liu Zhaolin, Zhang Meng, Wang Jianxi, Han Shumo, Zhao Hongfei, Sun Yongheng, Zhang Duo, Guo Yuanyuan, Cui Bo source.

Introduction

The guidance of technical documents is based on Jindongnan - Nanyang - Jingmen UHV AC pilot demonstration project of scientific research and practical experience, reference IEC 62271-100..2001 "High Voltage AC Circuit Breakers" and IEC 17A/726/CD No. 3 Amendment made. 1100 犽 犞 high voltage AC circuit breaker technical specifications

1 Scope

This Guidance Document specifies the conditions of use, ratings, design and construction, testing, selection of 1100kV high voltage AC circuit-breakers Guidelines, transport, storage, installation, operation and maintenance requirements. This guidance is for technical documents designed and installed outdoors and operating at a frequency of 50Hz and a nominal voltage of 1000kV UHV High-voltage AC circuit breakers in power systems. This Guidance Document is also applicable to the operating mechanism of 1100kV circuit breakers and its ancillary equipment. In addition to the unipolar automatic reclosing circuit breakers, circuit breakers with a predetermined inter-pole differential are not included in this document Range. Bypass circuit breakers in parallel with line series capacitors and their protective equipment are not covered by this technical document.

2 Normative references

The following documents contain provisions which, through reference in this Guidance Document, become the provisions of this Guidance Note document. All dated Reference documents, all subsequent amendments (not including errata content), or revisions do not apply to this guidance document, however, drums Recipients of the agreement based on this guidance document are encouraged to study whether the latest versions of these documents are applicable. All undated references The latest version of this document applies to this guidance document. GB 1984-2003 high voltage AC circuit breakers (IEC 62271-100..2001, MOD) GB/T 4473-2008 high voltage AC circuit breaker synthesis test (IEC 62271-101..2006, MOD) GB/T 11022-1999 high-voltage switchgear and control equipment standards common technical requirements (eqv IEC 60694..1996) GB/T 12022 industrial sulfur hexafluoride (GB/T 12022-2006, IEC 376. 1971, IEC 376A. 1973, IEC 376B. 1974, MOD) GB/T 13540 high-voltage switchgear anti-seismic performance test

3 Terms and definitions

GB 1984 established and the following terms and definitions apply to the guidance of technical documents. 3.1 Power system AC 1000kV and above the voltage level. 3.2 In parallel with the circuit breaker fracture each capacitor on the fracture, the voltage across the fracture distribution. 3.3 Resistor in the breaker through the auxiliary contact access resistance, mainly used to limit closing over-voltage. 3.4 Resistor in the circuit breaker through the auxiliary contact access broken, mainly used to limit the over-voltage switch. ......

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