GB 26860-2011 English PDF

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GB 26860-2011: Safety code of electric power industry - Electric part of power plants and transformer substations
Status: Valid

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GB 26860-2011	378	Add to Cart	1 days	Safety code of electric power industry - Electric part of power plants and transformer substations	Valid

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Basic data

Standard ID: GB 26860-2011 (GB26860-2011)
Description (Translated English): Safety code of electric power industry - Electric part of power plants and transformer substations
Sector / Industry: National Standard
Classification of Chinese Standard: K09
Classification of International Standard: 29.020
Word Count Estimation: 31,346
Date of Issue: 2011-07-29
Date of Implementation: 2012-06-01
Quoted Standard: GB/T 2900.20-1994; GB/T 2900.50-2008
Regulation (derived from): Announcement of Newly Approved National Standards No. 12 of 2011
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 Chinese standard specifies the electricity production units and staff in the workplace in the power of the basic electrical safety requirements. This standard applies to having a voltage level of 66kV and above all the use of facilities for power generation companies in the electrical equipment and related areas, has 35kV and above voltage level facilities, transmission, transformation and distribution companies all use of electrical equipment and its associated places, with facilities 220kV and above voltage level of the electricity use in electrical equipment unit and its associated sites. Other power companies and power units can also use and reference.

GB 26860-2011: Safety code of electric power industry - Electric part of power plants and transformer substations

---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.
Safety code of electric power industry.Electric part of power plants and transformer substations ICS 29.020 K09 National Standards of People's Republic of China Electrical safety work order Power plants and substations electrical parts Issued on. 2011-07-29 2012-06-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Preface Ⅰ 1 Scope 1 2 Normative references 1 3 Terms and definitions 4 Job Requirements 2 5 security organizations Measure 3 6 Safety Measures 6 7 electrical equipment operation 8 8 lines when the job security of power plants and substations 9 9 9 Live Working 10 generators and high-voltage electric motor repair, maintenance 11 11 works on sulfur hexafluoride (SF6) electrical equipment 12 12 working on the low-voltage power distribution equipment and low voltage wires 12 Work on the secondary system 12 13 14 electrical test 13 15 Power cable for 13 14 16 Additional security requirements Appendix A (informative) Electrical a first job ticket format 15 Annex B (informative) Electrical second job ticket format 18 Annex C (informative) electrically charged work job ticket format 20 Annex D (informative) emergency repair single-format 22 Appendix E (normative) insulated safety equipment test project period and claim 23 Annex F (normative) nameplate Shape 26 Annex G (informative) Operation Order Format 27

Foreword

Chapter 5 of this standard 7.3.4 are recommended, the rest are mandatory. This standard was drafted in accordance with GB/T 1.1-2009 given rules. The standard proposed by China Electricity Council. This standard by the National Standardization Technical Committee of high voltage electrical safety (SAC/TC226) centralized. This standard was drafted. State Grid Corporation, China Southern Power Grid Co., Ltd., China Datang Corporation, Zhejiang Energy Group Limited. The main drafters of this standard. it became Chen, Tsai Chung-ho plot, Liu Heng Ming, Zhang Lei, Lu Maode, Dai Keming, Wang Shangshun, Hu Xiang Yu Nie present, Lin Yonggang, He along Kun, Zhao Yawei, Li Zhiyong, Lu Jianming, Ge Naicheng. Electrical safety work order Power plants and substations electrical parts

1 Scope

This standard specifies the electrical power production units and basic safety requirements for power staff in the workplace. This standard is applicable to a 66kV and above voltage level of the power generation business facilities all use electrical equipment and related sites; Transmission has 35kV and above voltage grade facilities, substation and distribution companies all use electrical equipment and related sites; having Power units using 220kV and above voltage level of electrical equipment in facilities and related sites. Other power companies and power unit Also available for reference.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. GB/T 2900.20-1994 Electrotechnical terminology voltage switchgear (IEC 60050 (IEV).1994, NEQ) GB/T 2900.50-2008 Electrotechnical terminology Generation, transmission and distribution of generic terms (IEC 60050-601-1985, MOD)

3 Terms and Definitions

GB/T 2900.20-1994, GB/T 2900.50-2008 defined and the following terms and definitions apply to this document. 3.1 Power [station] electricalgeneratingstation By the building, energy conversion equipment and all the necessary auxiliary equipment consisting of electrical energy production plants. [GB/T 2900.50-2008, in the definition of 2.3 601-03-01] 3.2 Substations (Power Systems) substation (ofapowersystem) Part of the power system, which is concentrated in a designated place, including terminals, switches and control equipment transmission or distribution lines, Buildings and transformers. Typically include power system security and control of the necessary facilities (such as protective devices). Note. Depending on the nature of the system contains a substation can add a prefix to define the word in front of the substation. For example .( a transmission system) Transmission and Distribution Stations, power distribution substation, 500kV substation, 10kV substation. [GB/T 2900.50-2008, in the definition of 2.3 601-03-02] 3.3 Power lines electricline Between two o'clock in the system for transmission and distribution wires, insulation and annexes facilities. [GB/T 2900.50-2008, in the definition of 2.3 601-03-03] 3.4 Breaker circuit-breaker Can closing, carrying, breaking the normal current run loop, but also within the specified closing time, carrying and breaking provisions of the overload current (including Short-circuit current) of the switching device, also known as switches. NOTE. rewrite GB/T 2900.20-1994, definitions 3.13. 3.5 Isolation switch disconnector At the location, between the contacts have to meet the requirements of insulation distance and visible sign off; when the closing position, can carry a normal circuit Current and abnormal conditions (eg short circuit) under the current switching apparatus within a predetermined time under the conditions. [GB/T 2900.20-1994, the definition 3.24] 3.6 Low [electricity] Presser lowvoltage; LV For AC power distribution system voltage 1000V and below grade. [GB/T 2900.50-2008, the definition of 2.1 601-01-26] 3.7 High [electricity] voltage highvoltage; HV (1) usually means over-pressure voltage levels. (2) In certain cases, it refers to the power system transmission voltage level. [GB/T 2900.50-2008, the definition of 2.1 601-01-27] 3.8 The use of electrical equipment operatingelectricalequipment All with a voltage, a portion of the electrical equipment with a voltage or via the operation that is supplied with a voltage.

4 operational requirements

4.1 Staff 4.1.1 physician identified, without prejudice to working condition (medical examination at least once every two years). 4.1.2 have the necessary safety knowledge and skills of personnel engaged in electrical work should have a shock first aid rescue method. 4.1.3 have the necessary electrical knowledge and business skills, familiar with the electrical equipment and systems. 4.2 job site 4.2.1 job site production conditions, safety, work tools and safety equipment shall comply with the national standards or industry requirements, Safety equipment and labor protection products before use should be qualified available. 4.2.2 appropriate breaks and construction vehicles often working on someone with first aid kits, first aid supplies store, and designate a person check, supplement or replace. 4.3 job measures 4.3.1 should work to ensure the safety of electrical equipment on the institutional measures may include job applications, work arrangement, written security requirements, work Licensing, monitoring work, and the work stopped, and the end of the transfer and other procedures. 4.3.2 carry out all or part of power outage work on electrical equipment, equipment operation and maintenance unit should be made to apply power outages by scheduling Need of competent jurisdiction to apply in advance outage scheduling mechanism, arrangements for maintenance work only after consent. 4.3.3 repair work should be carried out before the work is arranged, clear place of work, tasks, responsible person, work environment, work programs and books Surface safety requirements, division of tasks and working class members. 4.4 Other Requirements 4.4.1 The workers should be informed of their risk factors and preventive measures exist job site. 4.4.2 found directly endanger the safety of emergency, the scene shall have the authority to stop work and to organize the evacuation job site.

5 Security Measures Organization

5.1 General Requirements 5.1.1 Safety Measures Organization as one of the measures to ensure the safety of the system, including job tickets, work permits, monitoring, intermittent, transfer and termination Wait. Job ticket issuer, who is responsible for the work (guardian), work permits who dedicated guardians and members of the working class should be the entire job process To fulfill their security responsibilities. 5.1.2 job ticket is one written permission of the safety requirements for electrical equipment on the job can contain number, place of work, job content, plan Working hours, work permit time, the end of the work time, the scope of power and safety measures, and work ticket issuer, work permits people workload Responsibility and working class members and so on. 5.1.3 In addition to working with the ticket Required fields work, the other may be given orally or by telephone command mode. 5.2 Job Ticket types 5.2.1 requires all high-voltage power equipment, and some power outages or security measures do work, filled with a first electrical work sheet (see Appendix A). 5.2.2 Table 1 is greater than the safe distance from energized equipment related sites and work on the housing and the impossibility of contact with live conductive parts of the equipment Work, filled with a second electrical work sheet (see Appendix B). Table 1 safe distance from the device does not power failure Voltage level kV safe distance 10 and below 0.70 20,35 1.00 66,110 1.50 220 3.00 330 4.00 500 5.00 750 7.20 1000 8.70 ± 50 and below 1.50 ± 500 6.00 ± 660 8.40 ± 800 9.30 Note 1. The table listed voltage level by a high-speed voltage levels safe distance. Note 2. 13.8kV a safe distance from the implementation of 10kV. Note 3. 750kV data are corrected altitude 2000m, 1000m above sea level by other levels of data correction. 5.2.3 live or work with live equipment is less than the distance specified in Table 1, but are not safe distance from power by charging work practices undertaken fill Working with the job ticket electrically charged (see Appendix C). 5.2.4 accident emergency repair work using a single emergency repairs (see Appendix D) or job ticket. Accident repair work should be carried out using non-continuous Work sheet. 5.3 work filled with votes 5.3.1 The work should use a unified ticket coupon format. 5.3.2 If these devices at the same stop, power transmission, can be filled with a first electrical work ticket. a) belong to the same voltage level, place in the same plane, the work does not touch a live conductor of several electrical connections; b) a transformer outage maintenance, but also with its circuit breaker overhaul; c) station blackout. Note 1. The AC system is a part of the electrical connection means isolating switches available with other electrical devices separate parts. Note 2. The current system is an electrical connection, refer to bipolar converter transformer and disable all high-voltage DC device, change or disable pole unipolar runtime Transformer, valve hall, DC field equipment, cooling system (bipolar public areas of operation of the device). 5.3.3 the same electrical substation same (including power plants booster station and converter station, the same below) on several internal electrical connection performed sequentially Pressure level, the same type of work without power, can be filled with a second electrical work ticket. 5.3.4 the same voltage level in the same substation, in turn, the same type of line work, can be filled with an electrically charged Exposed Workers For votes. 5.3.5 Operation and Maintenance work sheet by the issuance of additional Units or equipment operation and maintenance by a qualified and approved by the audit units issued. On contract projects, work tickets can be issued in the form of both sides to implement. 5.3.6 pay a working ticket responsible person, another person to pay a work permit. 5.3.7 a responsible person should work simultaneously perform two or more votes. 5.3.8 hold the line into the job ticket substation overhead lines, cables, etc., should be opened only after the permission of the substation work permits Beginning work. 5.3.9 At the same time to stop transmission of the repair work to fill with a work sheet, complete all safety measures before the start of work within the ticket. No maintenance work such as Simultaneous completed, the remaining repair work should be filled with a new work sheet. 5.3.10 changing work shift member or responsible person, shall perform the change. 5.3.11 increases when tasks within the operating range of a power outage ticket, if not necessary to change the scope of security measures, the responsible person shall obtain working ticket The issuance of work permits and the consent of the original work on the ticket by filling work item; For changes or additional security measures, should be filled with a new work sheet. 5.3.12 valid time electrical work ticket first, second electrical work ticket and live electrical work jobs votes to approve the overhaul plan Working time is limited, the extension should formalities. Security responsibilities listed persons 5.4 job ticket 5.4.1 work ticket issuer. a) confirm the necessity of work and safety; b) confirm the safety measures on the work sheet filled correctly, complete; c) confirm that the faction leaders and work shift work appropriate staff, adequate. 5.4.2 staff in charge (Guardian). a) proper organizational work safely; b) confirm the safety measures listed in the work ticket is correct, complete, consistent with the actual site conditions, supplemented where necessary; c) before the work shift work to inform all members of the dangerous point, supervision, monitoring the work of members of the Executive class site security and technical measures. 5.4.3 Working Licensee. a) confirm the correct safety measures listed job ticket complete, consistent with site conditions; b) confirm the work site layout measures to improve safety, make sure no dangerous sudden call of maintenance equipment; c) there are questions about the job ticket list, should work ticket issuer for clarification, if necessary supplementary requirements. 5.4.4 Select Guardian. a) explicitly guardianship and custody personnel range; b) before work on the ward staff explain safety measures to inform the danger point and safety precautions; c) supervise the implementation of the standards and safety measures custodial staff, and promptly correct unsafe behaviors. 5.4.5 Working Class Members. a) familiar with the work content, workflow, control security measures, a clear point of danger, and perform confirmation procedures; b) compliance with safety regulations, technical regulations and labor discipline, implementation of safety procedures and implement safety measures; c) the proper use of safety equipment and labor protection products. 5.5 Work Permit 5.5.1 Upon completion of work permits in the construction job site safety measures, should complete the following procedures. a) in conjunction with the responsible person to inspect the security measures made again; b) the person in charge of the work specified in live equipment location and considerations; c) in conjunction with the responsible people are confirmed on the work sheet, signature. 5.5.2 work permit either party responsible person, work permits people should not be allowed to change security measures. 5.5.3 live working responsible person in charge before work begins, the unit should maintain or duty dispatcher and equipment operation and performance of contact For licensing procedures, after the end of the live working should be promptly reported. 5.6 Working guardianship 5.6.1 Work Permit, responsible person, dedicated members account guardian should work shift work content and on-site security measures. Work shift After members perform confirmation procedures before beginning work. 5.6.2 responsible person, dedicated guardian should always be at the job site, the work of the members of the class monitor. Responsible person in the whole blackout , You can participate in the work shift work; partial blackout, only if the security measures and reliable person in one place of work, will not mistakenly hit an electric unit The case points before taking part in the work. 5.6.3 work ticket issuer or the responsible person should be based on security conditions in the field, the scope of work, work needs and other specific circumstances, additional special Responsible guardian and determines guardianship personnel. 5.7 work intermittently, transfer and termination 5.7.1 When work stopped, working class members should withdraw from the job site, all the security measures remain unchanged. When the next day to return to work should get work Licensee's license, and the responsible person should re-examine safety measures. It should be under the responsible person or guardians, led by dedicated staff Enter the workplace. 5.7.2 During work interruption, if an urgent need, operator can switch on power transmission in the case where the ticket is not returned to work, but should first inform workers As a responsible person in the class get to work all the staff have left the workplace can reply transmission and take the necessary measures to not perform. 5.7.3 before the end of repair work, please contact the device again applied operating voltage, according to the following requirements. a) all staff to evacuate the workplace; b) to recover all the work ticket system, remove the temporary cover bar, ground and badges, restore permanent cover bar; c) shall be responsible for and operating personnel after a comprehensive check and correct, run by the personnel pressor test. 5.7.4 When the same electrical connections sequentially transferred to work in several duty stations, Staff responsible person should explain charged Fan Wai, safety measures and precautions. 5.7.5 After all the work is completed, the responsible person should run the repair personnel to explain the status of projects, test results, findings and untreated The problems, together with operating personnel check the device status, the status, fill out the work on the work sheet end time, said after the signature by both workers For tickets to an end. 5.7.6 Except as provided in 5.7.2 given, but only after all the work the ticket the same power system are the end and get on duty dispatcher or shipped After the row attendant licensing instructions before switch on power transmission.

6 Safety Measures

6.1 General Requirements 6.1.1 work on electrical equipment, should have power outages, electrical inspection, installation of ground wire, hanging badges and provided cover bar (fence), etc. to ensure the safety of Technical measures. 6.1.2 work on the electrical equipment to ensure the safety of technical measures performed by the operating personnel or qualified operating personnel. Insulation 6.1.3 Work safety equipment used should meet the requirements of Appendix E. 6.2 blackout 6.2.1 conforms to the device the following circumstances should a power outage. a) maintenance equipment; Specified in Table 2 of the device b) staff working at a distance of less than; c) from the staff and equipment of more than 35kV and below the safety distance specified in Table 2, but less than the safety distance specified in Table 1, At the same time nor insulating device p......

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