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GB/T 36271.1-2018 English PDF

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GB/T 36271.1-2018: Power installations exceeding 1 kV a.c. -- Part 1: Common rules
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GB/T 36271.1-2018English1519 Add to Cart 10 days [Need to translate] Power installations exceeding 1 kV a.c. -- Part 1: Common rules Valid GB/T 36271.1-2018

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Basic data

Standard ID GB/T 36271.1-2018 (GB/T36271.1-2018)
Description (Translated English) Power installations exceeding 1 kV a.c. -- Part 1: Common rules
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard K09
Classification of International Standard 29.020; 29.080.01
Word Count Estimation 76,748
Date of Issue 2018-06-07
Date of Implementation 2019-01-01
Regulation (derived from) National Standard Announcement No. 9 of 2018
Issuing agency(ies) State Administration for Market Regulation, China National Standardization Administration

GB/T 36271.1-2018: Power installations exceeding 1 kV a.c. -- Part 1: Common rules

---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 installations exceeding 1 kV ac--Part 1. Common rules ICS 29.020; 29.080.01 K09 National Standards of People's Republic of China AC power facilities above 1kV Part 1. General Powerinstalationsexceeding1kVa.c.-Part 1.Commonrules (IEC 61936-1.2010 AMD1.2014, MOD) Published on.2018-06-07 2019-01-01 implementation State market supervision and administration China National Standardization Administration issued

Content

Foreword III 1 Scope 1 2 Normative references 2 3 Terms and Definitions 4 3.1 General Definition 4 3.2 Facility Definition 6 3.3 Facility Type Definition 6 3.4 Definition of safety measures for electric shock protection 7 3.5 Clearance Definition 7 3.6 Control and Protection Definition 8 3.7 Grounding Definition 9 4 General provisions 12 4.1 General 12 4.2 Electrical requirements 13 4.3 Mechanical requirements 15 4.4 Climate and environmental conditions 17 4.5 Special requirements 19 5 insulation 19 5.1 General 19 5.2 Selection of insulation level 19 5.3 Inspection of pressure resistance value 20 5.4 Minimum clearance of the live part 20 5.5 Minimum clearance 20 under special conditions 5.6 Testing the connection area 21 6 Equipment 22 6.1 General requirements 22 6.2 Special requirements 23 7 facilities 28 7.1 General requirements 28 7.2 Outdoor open facilities 29 7.3 Indoor open facilities 31 7.4 Pre-installed switchgear facilities 31 7.5 Building 33 7.6 High-voltage/low-voltage prefabricated substation 35 7.7 Electrical installations on columns, poles and towers 35 8 Security measures 39 8.1 General 39 8.2 Direct contact protection 40 8.3 Protective measures for indirect contact of live parts by staff 41 8.4 Protective measures for workers on power facilities 41 8.5 Risk of preventing arc faults 43 8.6 Prevent direct lightning 8.7 Fire prevention 44 8.8 Prevention of Insulating Liquid and SF6 Leakage 47 8.9 Signs and Labels 49 9 Protection, control and assistance systems 55 9.1 Monitoring System 55 9.2 DC and AC Power Circuits 56 9.3 Compressed air system 56 9.4 SF6 gas treatment unit 57 9.5 Hydrogen treatment unit 57 9.6 Basic rules for electromagnetic compatibility of control systems 57 10 Grounding System 59 10.1 General 59 10.2 Basic requirements 59 10.3 Design of the grounding system 61 10.4 Construction of the grounding system 62 10.5 Measurement 62 10.6 Maintenance 62 11 Inspection and test 63 11.1 General 63 11.2 Special Performance Test 64 11.3 Tests during installation and commissioning 64 11.4 Trial Run 64 12 Operation and Maintenance Manual 64 Appendix A (Normative) Allows calculation of contact voltages 65 Appendix B (Normative) IEEE 80-based allowable contact voltage 66 Appendix C (Normative Appendix) Grounding System Design Flowchart 67 Appendix D (informative) Direct lightning protection measures 68 References 70

Foreword

GB/T 36271 "Communication of electricity facilities above 1kV" plan is divided into the following parts. --- Part 1. General; --- Part 2. DC. This part is the first part of GB/T 36271. This part is drafted in accordance with the rules given in GB/T 1.1-2009. This section uses the redrafting method to modify the use of IEC 61936-1.2010 AMD1.2014 "AC 1kV or above power facilities Part 1 Points. General Rules. The technical differences between this part and IEC 61936-1.2010 AMD1.2014 and their reasons are as follows. ---About the normative reference documents, this part has made technical adjustments to adapt to China's technical conditions, adjustments The situation is reflected in Chapter 2, “Regulatory References”, and the specific adjustments are as follows. ● Replace IEC 60071 with GB/T 311.1 modified to adopt international standards; ● Replace IEC 60071-2 with GB/T 311.2-2013 modified to adopt international standards; ● Replace IEC 60034-1 with GB/T 755 equivalent to the international standard; ● Replace IEC 60076-11 with GB/T 1094.11 modified to international standards; ● Replaced ISO .1996-1 with GB/T 3222.1 equivalent to the international standard; ● Replace IEC 60079-0 with GB 3836.1 modified to adopt international standards; ● Replace IEC 60079-10-1 with GB 3836.14 equivalent to the international standard; ● Replace IEC 62271-200 with GB/T 3906 modified to adopt international standards; ● Replace IEC 60529 with GB/T 4208 equivalent to the international standard; ● Replace IEC 60617 database with GB/T 4728 (all parts) equivalent to international standards; ● Replace IEC 61082-1 with GB/T 6988.1 equivalent to the international standard; ● Replace IEC 62271-203 with GB/T 7674 modified to adopt international standards; ● Replace IEC 62271-1 with GB/T 11022-2011 modified to adopt international standards; ● Replace IEC /T S60479-1 with GB/T 13870.1-2008 equivalent to the international standard; ● Replace IEC 60255 (all parts) with GB/T 14598 (all parts) equivalent to the international standard; ● Replace IEC 60364 (all parts) with GB/T 16895 (all parts) equivalent to international standards; ● Replace IEC 60060-1 with GB/T 16927.1 modified to adopt international standards; ● Replace IEC 61140 with GB/T 17045 equivalent to the international standard; ● Replace IEC 62271-202 with GB/T 17467 modified to international standards; ● Replace IEC 60754-1 with GB/T 17650.1 equivalent to the international standard; ● Replace IEC 60754-2 with GB/T 17650.2 equivalent to the international standard; ● Replace IEC 61034-1 with GB/T 17651.1 equivalent to the international standard; ● Replace IEC 60332 (all parts) with GB/T 18380 (all parts) equivalent to the international standard; ● Replace IEC GUIDE107 with GB /Z 18509, which is not equivalent to the international standard; ● Replace IEC 60331-21 with GB/T 19216.21 equivalent to the international standard; ● Replace IEC 62305 (all parts) with GB/T 21714 (all parts) equivalent to the international standard; ● Replace IEC 62305-4 with GB/T 21714.4 equivalent to the international standard; ● Replace IEC /T S60815-1 with GB/T 26218.1 modified to adopt international standards; ● Replace IEC 62271-303 with GB/T 28537 modified to adopt international standards; ● Replace IEC 61230 with DL/T 879 equivalent to the international standard; ● With regard to noise requirements, ISO .1996-1 was replaced by GB 12348 and GB 3096. --- Removed Appendix A of the international standard and merged the contents of Appendix A into Tables 1 and 2 according to the actual voltage level in China. The standard Appendix B~Appendix E is adjusted accordingly to Appendix A~Appendix D of this part. This part is proposed by the China Electricity Council. This part is under the jurisdiction of the National High Voltage Electrical Safety Standardization Technical Committee (SAC/TC226). This section drafted by. China Electric Power Research Institute, State Grid Corporation Huazhong Branch, China Power Engineering Consulting Group Zhongnan Power Design Institute Co., Ltd., State Grid Corporation. The main drafters of this section. Chen Jiangbo, Hu Qinghui, Wan Baoquan, Yang Jun, He Wei, Yang Changyong, Liu Baosheng, Liu Xiaorui, Zhu Jianjun, Gan Yan, Tong Xuefang, Li Hui, Cai Chongji. AC power facilities above 1kV Part 1. General

1 Scope

This part of GB/T 36271 specifies the design and installation requirements for power facilities in AC systems with a nominal voltage above 1kV to guarantee investment. The safety and normal operation of the facilities. The power facilities in this section include. a) Substations, including railway-powered substations. b) Power facilities on the column, poles, towers. switches and/or transformers located outside the enclosed electrical operating area. c) one or more power plant facilities at a site. including generators, transformers and associated switchgear and electrical assistance systems System. Does not include electrical connections between power plants at different sites. d) Electrical systems of factories and mines or other industrial, agricultural, commercial, and public facilities. e) Offshore platform power facilities such as offshore wind farms. The power facility also includes the following equipment. ---Rotating motor; ---Switching equipment; ---Transformers and reactors; ---Inverter; ---cable; --- wiring system; ---Battery; --- capacitor; --- Grounding system; --- Buildings and walls in enclosed electrical operating areas; --- related protection, control and auxiliary systems; --- Large hollow reactor. Note. In general, device standards take precedence over this section. This section does not apply to the design and installation of the following facilities. --- overhead lines and underground cables between independent facilities; ---Electrified railway; --- Mining equipment and facilities; ---Fluorescent lighting facilities; --- IEC 60092 [34] (all parts) of the ship's facilities and the offshore facilities specified in GB/T 25444 [35] (all parts); ---Electrostatic devices, such as electrostatic precipitators and spray devices; ---Test site; --- Medical equipment, such as medical X-ray equipment. This section does not apply to pre-installed switchgear and high-voltage/low-voltage prefabricated substation internal design. This section does not apply to live working. Low-voltage electrical facilities can be implemented in accordance with GB/T 16895.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article. Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 311.1 Insulation coordination Part 1. Definitions, principles and rules (GB/T 311.1-2012, IEC 60071-1.2006, MOD) GB/T 311.2-2013 Insulation coordination Part 2. Guidelines for use (IEC 60071-2.1996, MOD) GB/T 755 Rotating Electric Machine Quota and Performance (GB/T 755-2008, IEC 60034-1.2004, IDT) GB/T 1094.11 Power transformers Part 11. Dry-type transformers (GB/T 1094.11-2007, IEC 60076-11. 2004, MOD) GB 3096 Acoustic Environmental Quality Standard GB/T 3222.1 Description, measurement and evaluation of acoustic ambient noise Part 1. Basic parameters and methods of evaluation (GB/T 3222.1- 2006, ISO .1996-1.2003, IDT) GB 3836.1 Explosive atmosphere - Part 1. General requirements for equipment (GB 3836.1-2010, IEC 60079-0.2007, MOD) GB 3836.14 Explosive atmospheres - Part 14. Classification of explosive atmospheres (GB 3836.14-2014, IEC 60079- 10-1.2008, IDT) GB/T 3906 3.6kV~40.5kV AC metal-enclosed switchgear and control equipment (GB/T 3906-2006, IEC 62271- 200.2003, MOD) GB/T 4208 enclosure protection grade (IP code) (GB/T 4208-2017, IEC 60529..2013, IDT) GB/T 4728 (all parts) Graphical symbols for electrical diagrams (IEC 60617database) GB/T 6988.1 Preparation of documentation for electrical technology - Part 1. Rules (GB/T 6988.1-2008, IEC 61082-1. 2006, IDT) GB/T 7674 Gas insulated metal-enclosed switchgear with rated voltage of 72.5kV and above (GB/T 7674-2008, IEC 62271- 203.2003, MOD) GB/T 11022-2011 Common technical requirements for high-voltage switchgear and control equipment standards (GB/T 11022-2011, IEC 62271- 1.2007, MOD) GB 12348 Environmental noise emission standards for industrial enterprises GB/T 13870.1-2008 Effect of current on humans and domestic animals Part 1. General part (GB/T 13870.1-2008, IEC / TS60479-1.2005, IDT) GB/T 14598 (all parts) Measuring relays and protection devices [IEC 60255 (all parts)] GB/T 16895 (all parts) Low-voltage electrical installations [IEC 60364 (all parts)] GB/T 16927.1 High Voltage Test Technique Part 1. General Definitions and Test Requirements (GB/T 16927.1-2011, IEC 60060-1. 2006, MOD) GB/T 17045 General part of electric shock protection devices and equipment (GB/T 17045-2008, IEC 61140.2001, IDT) GB/T 17467 high voltage/low voltage prefabricated substation (GB/T 17467-2010, IEC 62271-202..2006, MOD) GB/T 17650.1 Test methods for gas release from combustion of materials from cables or cables - Part 1 Determination (GB/T 17650.1-1998, idtIEC 60754-1.1994) GB/T 17650.2 Test methods for gas release from combustion of materials from cables or cables - Part 2. Measured pH and Conductivity to determine the acidity of gases (GB/T 17650.2-1998, idtIEC 60754-2.1991 Amd1.1997) GB/T 17651.1 Determination of smoke density for burning under certain conditions - Part 1 . Test apparatus (GB/T 17651.1- 1998, idtIEC 61034-1..1997) GB/T 18380 (all parts) Burning test of cables and cables under flame conditions [IEC 60332 (all parts)] GB /Z 18509 Electromagnetic Compatibility Electromagnetic Compatibility Standard Drafting Guidelines (GB /Z 18509-2016, IEC GUIDE107.2009, NEQ) GB/T 19216.21 Tests for line integrity of cables or cables - Part 21. Test procedures and requirements Cable with fixed voltage of 0.6/1.0kV and below (GB/T 19216.21-2003, IEC 60331-21.1999, IDT) GB/T 21714 (all parts) Lightning protection [IEC 62305 (all parts)] GB/T 21714.4 Lightning protection - Part 4. Electrical and electronic systems in buildings (GB/T 21714.4-2015, IEC 62305- 4.2010, IDT) GB/T 26218.1 Selection and sizing of high-voltage insulators for use under filth conditions Part 1. Definitions, information and general Principle (GB/T 26218.1-2010, IEC /T S60815-1.2008, MOD) GB/T 28537 Use and treatment of sulphur hexafluoride (SF6) in high voltage switchgear and control equipment (GB/T 28537-2012, IEC 62271-303.2008, MOD) DL/T 879 Portable grounding and grounding shorts for live working (DL/T 879-2004, IEC 61230.1993, IDT) Safety-related guidelines for safety issues in the ISO /IEC 51 guideline standards (Safetyaspects-Guidelinesfortheirinclusion Instandards) Rotating electrical machines - Part 3. Particular requirements for synchronous generators driven by steam or gas turbines (Rota- tingelectricalmachines-Part 3.Specificrequirementsforsynchrouousgeneratorsdrivenbysteam Turbinesorcombustiongasturbines) IEC 60076-2.1993 Power transformers Part 2. Temperature rise (Powertransformers-Part 2. Temperature Rise) IEC 60079-10-2 Explosive atmospheres Part 10-2. Regional classification flammable dust environment (Explosivesatmos- pheres-Part 10-2. Classificationofareas-Combustibledustatmospheres) IEC 60331-1 - Tests for the completeness of cables for cables or cables - Part 1 . Rated voltage 0.6/1.0 kV Test method for cables with a total diameter greater than 20 mm and a cable temperature not lower than 830 ° C (Testsforelectriccables underfireconditions-Circuitintegrity-Part 1.Testmethodforfirewithshockatatemperatureof Atleast830°Cforcablesofratedvoltageuptoandincluding0,6/1,0kVandwithanoveraldiameter Exceeding 20mm) IEC 60721-2-7 Classification of environmental conditions - Part 2-7. Environmental conditions in nature - fauna and flora (Classifi- cationofenvironmentalconditions-Part 2-7.Environmentalconditionsappearinginnature-Fauna Andflora) Design criteria for IEC 60826 overhead transmission lines (Designcriteriaofoverheadtransmissionlines) IEC 60865-1 Calculation of short-circuit current effects Part 1. Definitions and calculations (Short-circuitcurrents-Cal- culationofeffects-Part 1. Definitionsandcalculationmethods) IEC 60909 (all parts) Short-circuit current calculation for three-phase AC systems (Short-circuitcurrentsinthree-phasea.c. Systems) IEC 60949 Calculation of thermal permissible short-circuit currents considering non-adiabatic heating effects (Calculationofthermalypermissible Short-circuitcurrents,takingintoaccountnonadiabaticheatingeffects) IEC /T R61000-5-2 Electromagnetic compatibility (EMC) Part 5. Installation and commissioning guide Section 2. Grounding and cabling [Electromagneticcompatibility(EMC)-Part 5.Instalationandmitigationguidelines-Section2. Earthingandcabling] IEC 61100 insulating liquids are classified according to ignition point and net heat value (Classificationofinsulatingliquidsaccordingof Fire-pointandnetcalorificvalue) IEC 61219 live working with a hanging rod as the grounding or grounding of the short-circuit device and short-circuit the equipment hanger to the ground (Live working-Earthingorearthingandshort-circuitingequipmentusinglancesasashort-circuitingde- vice-Lanceearthing) IEC 61243 (all parts) Live working-voltage detectors (Liveworking-Voltagedetectors) IEC /T S61463 Bushings-Seismicqualification IEC 62271-201 High-voltage switchgear and controlgear - Part.201. Rated voltages 1kV or more and 52kV or less (52kV) insulated closed AC switchgear and control equipment (High-voltageswitchgearandcontrolgear-Part.201. ACinsulation-enclosedswitchgearandcontrolgearforratedvoltagesabove1kVanduptoandinclu- Ding52kV) IEC 62271-206 High-voltage switchgear and controlgear - Part 206. Rated voltages of 1kV or more and 52kV or less (including 52kV) voltage indication system (High-voltageswitchgearandcontrolgear-Part 206. Voltagepresenceindica- Tingsystemsforratedvoltagesabove1kVanduptoandincluding52kV) IEC 62271-207 High-voltage switchgear and controlgear - Part 207. Gas insulated metal with rated voltages above 52kV Seismic identification of closed switchgear (High-voltageswitchgearandcontrolgear-Part 207. Seismicqualification Forgas-insulatedswitchgearassembliesforratedvoltagesabove52kV) IEC /T R62271-300 High-voltage switchgear and controlgear - Part 300. s. voltageswitchgearandcontrolgear-Part 300. Seismicqualificationofalternatingcurrentcircuit- Breakers) Preparation, content and presentation of the IEC 82079-1 instruction manual Part 1. General principles and detailed requirements (Preparation ofinstructionsforuse-Structuring,contentand presentation-Part 1.General Principlesanddetailedrequirements) IEEE80 AC Substation Grounding Safety Guidelines (GuideforsafetyinACsubstationgrounding) Guideline for Prevention and Control of Oil Leakage in IEEE980 Substation (Guideforcontainmentandcontrolofoilspilsin Substations)

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 General definition 3.1.1 Electrical equipment electricalequipment Equipment used for power generation, transformation, transmission, distribution or use of electrical energy, such as motors, transformers, switchgear and control equipment, measuring instruments, insurance Protection devices, wiring systems, and electrical equipment. Note. Rewrite GB/T 2900.71-2008, define 826-16-01. 3.1.2 Nominal value Used to identify and identify the magnitude of a component, device, device, or system. [GB/T 2900.83-2008, definition 151-16-09] 3.1.3 System nominal voltage nominalvoltageofasystem Used to mark or identify a given value of the system voltage. [GB/T 2900.50-2008, definition 601-01-21] 3.1.4 Rated value A quantity established for specification purposes for the operating conditions specified for a component, device, device, or system. [GB/T 2900.83-2008, definition 151-16-08] 3.1.5 Facility maximum voltage highestvoltageforinstalation The effective value of the highest voltage between the phases of the facility. 3.1.6 Test connection zone testedconnectionzone Test the area near the outgoing end of the device. This area has passed the insulation type test under the corresponding withstand voltage, and has the equipment manufacturer. The required wiring is to connect the appropriate wires to the test equipment outlet. 3.1.7 Isolation fracture isolatingdistance Clearances on both sides of the fracture that meet the safety requirements specified for the isolating switch. [GB/T 2900.20-2016, definition 9.32] 3.1.8 Isolation isolation Disconnect or separate the facility or equipment or a portion thereof from all ungrounded conductors in a manner that maintains clearance and distance. 3.1.9 Live part livepart Conductive conductors or conductive parts in normal operation, including neutral conductors, but conventionally do not include PEN conductors, PEM conductors, and

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