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[GB/T 28525-2012] Compact switchgear assemblies for rated voltages of 72.5 kV and above
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Basic data Standard ID | GB 28525-2012 (GB28525-2012) | Description (Translated English) | [GB/T 28525-2012] Compact switchgear assemblies for rated voltages of 72.5 kV and above | Sector / Industry | National Standard | Classification of Chinese Standard | K43 | Classification of International Standard | 29.130.10 | Word Count Estimation | 23,293 | Quoted Standard | GB 1207-2006; GB 1208-2006; GB 1984-2003; GB 1985; GB/T 2900.20-1994; GB/T 4109-2008; GB/T 4703-2007; GB 7674-2008; GB/T 11022-1999; GB 11032-2010; GB/T 14810-1993; GB 17201-2007; GB/T 20840.7-2007; GB/T 20840.8-2007; GB/T 21429-2008; GB/T 22381-2008; GB/ | Adopted Standard | IEC 62271-205-2008, MOD | Regulation (derived from) | National Standards Bulletin No. 13 of 2012 | 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 applies to at least one switching device directly to one or more other devices, or share components so that the function of the interaction between discrete components compact switchgear. Such equipment is determined by the device 1. |
GB 28525-2012: [GB/T 28525-2012] Compact switchgear assemblies for rated voltages of 72.5 kV and above ---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.
Compact switchgear assemblies for rated voltages of 72.5 kV and above
ICS 29.130.10
K43
National Standards of People's Republic of China
Rated voltage of 72.5kV and above Compact
Voltage switchgear
(IEC 62271-205.2008, MOD)
Published 2012-06-29
2013-05-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China issued
Table of Contents
Introduction Ⅲ
1 Overview 1
Normal and special conditions 2 2
3 Definitions 3
Rating 3 4
4.1 Overview 3
4.2 the rated voltage (Ur) 4
4.3 Rated insulation level 4
4.4 rated frequency (fr) 4
4.5 the rated current (Ir) and temperature 4
4.6 Rated short time withstand current (Ik) 4
4.7 Rated peak withstand current (Ip) 4
4.8 Rated short duration (tk) 4
4.9 closing and opening means and the auxiliary control circuit of the rated supply voltage (Ua) 4
4.10 nominal supply frequency closing and opening means 4 and the auxiliary circuits
4 Design and Structure 5
5.1 pairs of switching and control equipment required in the liquid 5
Switching and control equipment required in the five gas 5.2
5.3 grounding switching device and a control device 5
5.4 auxiliary and control equipment 5
5.5 power-operated 5
5.6 storage operation 5
5.7 does not rely on human-powered operation or 5
Release 5.8 operating 5
5.9 Low and high pressure holding and pressure monitoring device 5
5.10 Nameplate 5
5.11 interlock 6
5.12 indicates the position 6
5.13 6 degree of protection provided by enclosures
5.14 creepage distance 6
5.15 gases and vacuum seal 6
A liquid seal 6 5.16
5.17 flammable 6
5.18 Electromagnetic compatibility (EMC) 6
5.19 X-ray emission 6
Corrosion 6 5.20
5.101 maintenance operation interlock 6
5.102 moving the pressure means 6
5.103 maintain separation distance 7
Pressure relief devices 7 5.104
6 7 Type tests
6.1 General 7
8 6.2 Insulation test
6.3 Radio interference voltage (RIV) Test 8
Measuring the loop resistance 8 6.4
6.5 temperature rise test 9
6.6 Short-time withstand current and peak withstand current 9
6.101 mechanical and environmental tests 10
7 factory test 11
7.1 Overview 11
7.2 Test insulating main circuit 11
Test 11 7.3 auxiliary and control circuits
7.4 Measurement of the resistance of the main circuit 11
7.101 auxiliary and control circuits function test 11
Testing mechanical operation 12 7.102
8 Selection Guidelines switching and control equipment 12 is
8.101 Selection Guidelines compact switchgear apparatus 12 is
9 data query, the tender offer and the order of 12
10 transport, storage, installation, operation and maintenance rules 12
10.1 Overview 12
10.2 transportation, storage and installation conditions 12
10.3 Installation 13
10.4 Run 13
10.5 Maintenance 13
11 security 13
The impact on the environment 12 13
Explanation Annex A (normative) compact switchgear equipment 14
Foreword
All technical contents of this standard is mandatory.
This standard was drafted in accordance with rules GB/T 1.1-2009 given.
This draft standard method using the reformed modified using IEC 62271-205.2008 "high-voltage switchgear and control equipment Part 205. Amount
Constant voltage above 52kV voltage switchgear compact. "
This should be used in conjunction with standard GB/T 11022-1999. In order to simplify the notation the same requirements of this standard and reg number
Identical GB/T 11022-1999. For supplementary reference in the same article under the heading of the new numbered starting from 101.
This standard and IEC 62271-205.2008 main difference is.
--- according to the actual situation of China's power grid, the applicable rated voltage of "52kV or more" to "72.5kV and above";
--- removed IEC 62271-205.2008 in nominal frequency of 60Hz relevant content;
--- editorial change to the original 1.101 1.1.101;
--- Chapter V design and structure, in order to maintain the continuity of the section, and consistent with GB/T 11022-1999, editor of the increase related clauses;
--- In order to be consistent with GB/T 11022-1999, editorial increase "the impact on the environment" chapter;
--- editorial of the appendix "AA" was changed to "A".
The standard proposed by China Electrical Equipment Industrial Association.
This high voltage standard by the National Standardization Technical Committee (SAC/TC65) switching devices.
This standard was drafted. Xi'an High Voltage Electric Institute Co., Ltd., Xi'an Electric Co. electrical switch, a power switch Jinhua
Co., Ltd., China EPRI and rural power substation, Ning Xia Licheng Electric Group Co., Ltd., Star Lake Music opened Electric (Hubei) Co., Ltd., Xiamen
ABB High Voltage Switchgear Co., Ltd., Shenzhen Institute of Electrical Science, Beijing Northern Electric Co., Ltd., New Northeast Electric (Shenyang) High Voltage Open
Guan Co., Ltd., Shanghai Electric Power Transmission and Distribution Test Center Co., Ltd., Jiangsu Province, such as high-High Voltage Electric Co., ABB (China) Limited
Secretary, Ningbo Tianan Group Ningbo Electric Institute, benefits and Electric Group Co., Ltd., Zhejiang Switchgear Factory Co., Ltd., Henan high level of electrical shares
Limited copies, Huayi Electric Co., Ltd., Sichuan Electric Group Co., Ltd., Tianjin Power Equipment Manufacturing Co., Ltd. three sources.
Drafters of this standard. Zhang Shi, beads Zhang Yan, Tian Enwen, Lourdes silver, new leaf tree, Wang Chuanchuan, Huang Zhifeng, Wang Haibin, Chen Zhibin, Wu Zhao,
Zhang Yubo, Zhou Yunxiang, Qiao Qingbo, Huang Haitao, Lu Linguo, Deng Yonghui, Xiaomin Ying, Li Jinling, Zhengyu Hong, Zhang Meng, Wu Song, Wang sake, Yang Yong,
Zhu Peilong, Yang Kun, Su Weimin, excitations wish save spring, Huang Yue Jing, Gu Deming.
Rated voltage of 72.5kV and above Compact
Voltage switchgear
1 Overview
1.1 Scope
This standard applies to the switching means have at least one direct and one or more other connecting means, or to share various elements such that
Compact switchgear equipment separate functional interaction between the elements. Such equipment is determined by the composition of the apparatus and 1.1.101
As a single unit design, test, and to provide use. Between devices close to each other, shared element, or a combination of both cases may cause
The interaction between the devices. The equipment may include only air insulated switchgear (AIS) elements or AIS and gas insulated
A combination of switching equipment (GIS) is. Thus, the switching device called hybrid technique (MTS) and may be wholly or partially pre-assembled for transport.
This standard could not be determined for all possible arrangement compact switchgear equipment. Thus, it is given in Appendix A of the four examples in the form of data.
These compact switchgear equipment for 66kV and above the nominal voltage and the operating frequency of the power system of 50Hz indoor and/or outdoor facilities.
This standard includes the interaction between the effects on performance of the compact switchgear apparatus and inside the apparatus determines the ratings of equipment and test procedures.
Unless otherwise specified, GB/T 11022-1999 apply.
This standard is not only a voltage switchgear (GIS) GB 7674 covered.
1.1.101 target
The objective of this standard is to achieve a large number of discrete components used in an amount of compact switchgear equipment and control equipment for an increased function
want. There may be many arrangements, the present standard gives the basic types of equipment may need to face guidance.
Because potential interactions may exist between such equipment inside the apparatus, equipment as a whole, it is necessary to
Which requires standardization.
Defined in this standard, a compact apparatus may be used as part of switchgear equipment as follows.
Switching means.
--- breaker, GB 1984
--- disconnector/grounding switch, GB 1985
--- load switch, GB/T 14810
--- isolation breaker, GB/T 27747
Device.
--- Transformers
● current transformers, GB 1208, GB/T 20840.8
● voltage transformer, GB 1207, GB/T 4703, GB/T 20840.7
● combined transformer, GB 17201
--- arrester, GB 11032
--- casing, GB/T 4109
--- insulators, GB/T 21429, GB/T 23752
--- cable, GB/T 22381
--- transformer is connected, GB/T 22382
A compact type switchgear equipment each switching device, and a control means of each equipment should meet the relevant standards. If tight
Part join type switchgear device is a metal-enclosed switchgear apparatus suitable for the requirements of GB 7674.
Compact switchgear equipment as defined in this standard is a single product, with a single serial number (serial number) and a set of
file.
1.2 Normative References
The following documents for the application of this standard is essential. For dated references, only applies to the version dated paper
Pieces. For undated references, the latest edition (including any amendments) applies to this document.
GB 1207-2006 electromagnetic voltage transformer (IEC 60044-2.2003, MOD)
GB 1208-2006 current transformers (IEC 60044-1.2003, MOD)
GB 1984-2003 high voltage AC circuit breaker (IEC 62271-100.2001, MOD)
GB 1985 HV AC isolation and earthing switches (GB 1985-2004, IEC 62271-102.2002, MOD)
GB/T 2900.20-1994 Electrotechnical terminology voltage switchgear (neq IEC 60050-441. 1984)
GB/T 4109-2008 1000V AC voltage is higher than the insulating sleeve (IEC 60137Ed.6.0, MOD)
GB/T 4703-2007 capacitive voltage transformer (IEC 60044-5.2004, MOD)
GB 7674-2008 and above the rated voltage 72.5kV Gas Insulated Switchgear (IEC 62271-203.2003,
MOD)
GB/T 11022-1999 high-voltage switchgear and control equipment standard common technical requirements (GB/T 11022-1999, eqv
IEC 62271-1.2007)
GB 11032-2010 exchange of non MOA (IEC 60099-4.2006, MOD)
GB/T 14810-1993 110kV and above AC high voltage load switch (neq IEC 60265-2. 1988)
GB 17201-2007 combined transformer (IEC 60044-3.2002, MOD)
GB/T 20840.7-2007 transformers Part 7. electronic voltage transformers (IEC 60044-7.2007, MOD)
GB/T 20840.8-2007 transformers Part 8. Electronic current transformer (IEC 60044-8.2002, MOD)
GB/T 21429-2008 outdoor and indoor electrical equipment composite insulators Definitions, test methods and acceptance criteria hollow design
Recommended (IEC 61462.1998, MOD)
GB/T 22381-2008 rated voltage of 72.5kV and above the gas-insulated switchgear apparatus with a fluid filled extruded insulation and
Charging connector cable terminal fluids and dry (IEC /T S60859.1999, MOD) power cable
GB/T 22382-2008 between and above the rated voltage 72.5kV gas insulated switchgear device and a power transformer
Direct connection (IEC /T R61639.1996, MOD)
GB/T 23752-2009 1000V rated high-voltage electrical equipment and insulators pressurized and unpressurized hollow glass ceramic
(IEC 62155.2003, MOD)
GB/T 27747 rated voltage of 72.5kV AC isolation breaker and above (GB/T 27747-2011, IEC 62271-108.
2005, MOD)
The first portion of the power device voltage greater than 1kV AC IEC 61936-1. General rules (Power instalations
exceeding 1kV ac- Part 1. Common rules)
2 Normal and special conditions
According to GB/T 11022-1999 provisions of Chapter 2.
3 Terms and Definitions
GB/T 2900.20, GB/T 11022-1999, and the terms and definitions apply to 1.2 defined in the present document. For ease of use,
The following lists some repeated terms and definitions.
3.1 generic term
3.1.101
Connection position (removable member) connected position (of a removable part)
The position of the removable member, in this position, to accomplish a predetermined function are all connected.
[GB/T 2900.20, definitions 5.35]
3.1.102
Disconnecting position (extractable components) disconnected position (of a withdrawable part)
Member may be withdrawn position, in this position, all extractable components in the circuit of isolation or separated from, but still and equipment
A mechanical holding connection.
[GB/T 2900.20, definitions 5.38]
Note 1. In this position, the auxiliary circuits can not be isolated.
Note 2. This location may not be drawn to (removing) components of a safe working position.
3.2 compact switchgear equipment compactswitchgearassembly
GB/T 11022-1999 3.2 apply, and the following addition.
Compact switchgear apparatus having at least one or more switching devices and other devices directly a connection, or to share elements
Such that the functional interaction between the discrete components.
Note 1. compact switchgear equipment can be mounted on one or more framework, however, only as a single, integrated unit to install and run.
Note 2. The interaction between stress refers to discrete elements (e.g., electrical, mechanical and thermal) transfer.
4 Ratings
4.1 Overview
GB/T 11022-1999 Chapter 4 applies the following characteristic parameters, and add the following characteristic parameters.
Compact switch equipment and control equipment rating the following composition.
a) Rated voltage (Ur);
b) rated insulation level;
c) rated frequency (fr);
d) rated current (Ir) (main circuit);
e) rated short time withstand current (Ik) (the main circuit and the ground loop);
f) Rated peak withstand current (Ip) (the main circuit and the ground loop);
g) rated short duration (TK);
h) and, where applicable, the device compact switchgear equipment including their operating mechanism (voltage and frequency) and the auxiliary and control
Rating system equipment.
Rating predetermined compact switchgear equipment to ensure that equipment operating within its predetermined desired value range, so that all discrete
Operating element is not exceeded its rated capacity conditions.
4.2 Rated voltage (Ur)
GB/T 11022-1999 and 4.2 apply the following addition.
Should verify compact switchgear equipment rated voltage to meet their requirements.
Note 1. compact switchgear apparatus constituting the apparatus according to the relevant criteria may have respective nominal voltage value.
Note 2. Rated voltage (Ur) for the purposes of this standard, GB/T 11022-1999 defined rated voltage (Ur) compact switchgear equipment.
4.3 Rated insulation level
GB/T 11022-1999 4.3 and related standards applicable elements and added as follows.
Should verify compact switchgear equipment to meet the requirements of its rated insulation level.
4.4 rated frequency (fr)
GB/T 11022-1999 and 4.4 apply the following addition.
Should verify compact switchgear equipment to meet the requirements of its nominal frequency.
4.5 rated current (Ir) and temperature rise
GB/T 11022-1999 and 4.5 apply the following addition.
Verify the connection should be compact switchgear equipment and its leading electrical circuit which satisfies the requirements of the rated current.
4.6 Rated short time withstand current (Ik)
GB/T 11022-1999 and 4.6 apply the following addition.
And a ground connection should verify compact switchgear equipment leading electrical circuit and a switch to meet the rated short-time withstand current
Claim.
4.7 Rated peak withstand current (Ip)
GB/T 11022-1999 of 4.7 and apply the following addition.
And a ground connection should verify compact switchgear equipment leading electrical circuit and a switch satisfies its rated peak withstand current
Claim.
4.8 Rated short duration (tk)
GB/T 11022-1999 and 4.8 apply the following addition.
And a ground connection should verify compact switchgear equipment leading electrical circuit and a switch which satisfies the rated short duration
Claim.
4.9 closing and opening means and the auxiliary control circuit of the rated supply voltage (Ua)
GB/T 4.9 is applicable and relevant to the apparatus 11022-1999.
4.10 nominal supply frequency, sub-gate means and auxiliary circuits
GB/T 4.10 applicable standards and related apparatus of 11022-1999.
5 Design and Structure
Unless otherwise specified, GB/T Chapter 511022-1999 applicable and the following addition.
The compact design of the switchgear apparatus should take into account the performance between different devices may interact (e.g., electrical, mechanical
And heat).
As a complement to the following common terms, all of the devices constituting the compact switchgear equipment shall comply with the relevant standard design thereof
Claim.
5.1 pairs of switching and control equipment required in the liquid
GB/T 11022-1999 5.1 apply.
Switching and control equipment required in the gas 5.2 pairs
GB/T 11022-1999 5.2 apply.
5.3 grounding switching device and a control device
GB/T 11022-1999 and 5.3 apply the following addition.
5.3.101 ground compact switchgear apparatus and a control device
Compact switchgear equipment shall have a common ground terminal or each device has its own ground terminal.
Ground 5.3.101.1 compact switchgear apparatus main circuit
In order to ensure safety during maintenance, a main circuit for all components or may require access should be able to reach the ground.
Ground can.
a) grounding switch;
b) temporary connection
to fulfill.
5.4 auxiliary and control equipment
GB/T 11022-1999 5.4 apply.
5.5 power-operated
GB/T 11022-1999 5.5 apply.
5.6 storage operations
GB/T 11022-1999 5.6 apply.
5.7 does not rely on human power or operation
GB/T 11022-1999 5.7 apply.
5.8 release operation
GB/T 11022-1999 5.8 apply.
5.9 Low and high pressure holding and pressure monitoring means
GB/T 11022-1999 5.9 apply.
5.10 nameplate
GB/T 11022-1999 5.10 and apply the following addition.
Plate should be provided to identify a common voltage switchgear compact. It should be at least this standard lists given in detail in Chapter 4 of
Rating. Public nameplate should be legible in local operating position.
For each discrete component, there is no need to give ratings are given on a common plate in accordance with the relevant standards in their nameplate.
5.11 interlocks
GB/T 11022-1999 5.11 apply.
5.12 position indicator
GB/T 11022-1999 5.12 and apply the following addition.
Each position indicator should clearly indicate the position of the switching device to which it belongs.
5.13 level of protection provided by enclosures
GB/T 11022-1999 5.13 apply.
5.14 creepage distance
GB/T 11022-1999 5.14 apply.
5.15 gases and vacuum seal
GB/T 11022-1999 5.15 apply.
5.16 sealing liquid
GB/T 11022-1999 5.16 apply.
5.17 Flammability
GB/T 11022-1999 5.17 apply.
5.18 Electromagnetic compatibility (EMC)
GB/T 11022-1999 5.18 apply.
5.19 X-ray emission
GB/T 11022-1999 5.19 apply.
5.20 Corrosion
GB/T 11022-1999 5.20 apply.
5.101 interlock maintenance operations
Established in all switching means for grounding switch should be locked in the closing position.
Note. The circuit breaker temporarily locked in the closed position to prevent short-circuit breaking function, and can be used after only provide alternative protection.
5.102 mobile pressure device
All pressure device is designed to be moved during normal operation must maintain its inherent function.
NOTE. this situation typically applies to the extractable rotating means or circuit breakers.
5.103 maintain separation distance
Since the close proximity between the devices, require access maintenance compact switchgear equipment may be different from a conventional touch Substation
Intervals. When designing compact switchgear equipment, taking into account the physical aspect of the Guidelines on protective measures given in IEC 61936-1.
5.104 pressure relief device
All the design is such that the pressure relief means to compact switchgear equipment minimum risk to operating personnel normal operation.
6 Type tests
6.1 General
Unless otherwise specified, GB/T Chapter 611022-1999 and means for compact switchgear equipment in each of the standard
The relevant provisions applicable type tests.
6.1.1 Overview
GB/T 11022-1999 and 6.1.1 apply the following addition.
Objective compact switchgear equipment type test is to verify the performance of the equipment in terms of its integrity. For the individual intake
Compact switchgear single device line type tested composition, the test equipment needs to be listed in table 101.
Table 101 compact type test switchgear equipment
Type tests Clause No.
Insulation Test 6.2
Radio interference voltage (RIV) Test 6.3
Main circuit resistance measurement 6.4.1
Temperature Rise Test 6.5
Short-time withstand current and peak withstand 6.6
Mechanical and environmental testing 6.101
If no discrete component type tested individually, they may be standard equipment in a compact switchgear in accordance with their associated
Type testing. It should be noted that other means to avoid excessive stress in the receiving equipment. For compact sets of switching devices switch
Means to maintain between the test pattern is permitted.
NOTE. When a design change, the manufacturer can prove if these changes do not affect the results of the independent type test conducted on compact sets of switching equipment, various types
Type test need not be repeated.
Compact switch equipment may be provided by various elements arranged in a variety of compositions and it is impossible to determine for each test arrangement
condition. For information only, given in Appendix A of FIG A.1 A.3, FIG A.2, A.3 and FIGS example A.44 species.
If applicable, type test shall be performed on a full compact switchgear equipment. If the limit test conditions, subject to a complete tight
When Minato type switchgear device tested is not feasible, as long as the potential interaction between all of the devices have been verified, the device may
Test the topical composition.
If the test is performed on a combination of local devices, the manufacturer should prove stresses on each device during the test is not less than the entire
A compact switchgear equipment the stress applied on the same device when tested. It should consider the impact element is not involved in the trial.
6.1.2 The test group
GB/T 11022-1999 6.1.2 suitable equipment and added as follows.
If the individual apparatus compact switchgear apparatus according to the present clause allowing were tested individually or already completed beforehand trial
Test, the number of samples should comply with the relevant individual standards. Each means of an additional sample to be used for a complete compact
Sets of switching devices tested, including any additional environmental or pollution test.
6.1.3 confirm the information used in the test
GB/T 11022-1999 6.1.3 apply.
6.1.4 Type test information contained in the report
GB/T 11022-1999 6.1.4 and apply the following addition.
--- if the compact switchgear equipment testing, all of the devices compact switchgear equipment identification (including knitting factory
Number, if applicable) to be recorded together with the identification compact switchgear apparatus itself;
--- test apparatus compact switchgear and other parts of the test circuit details of mechanical and electrical connections;
--- The details of the arrangement with the installation.
6.2 Insulation Test
GB/T 11022-1999 and 6.2 apply the following addition.
Status compact switchgear equipment during the insulation test 6.2.101
If the design of compact switchgear device for a variety of applications, which may be located in isolation in different positions, the test must be
Number of experimental conditions to cover all the different structures.
Instead of the arrester may be insulated by an equivalent model.
During the insulation test, the secondary side of the current transformer to be short-circuited and grounded.
Compact the test voltage switchgear, voltage transformer insulating available alternatives equivalent magnetic circuit of the reproducing apparatus in order to avoid saturation.
NOTE. If possible to prevent saturation of the voltage transformer, the voltage transformer may be maintained during the test connector, for example, designed for mutual voltage test voltage
Sensor or by tests at frequency without frequency saturation.
Isolated fracture when tested with increasing voltage, to avoid excessive stresses on other devices compact switchgear equipment.
When the apparatus is connected to the insulation test, the test may result in a greater number than a predetermined single device. Additional test does not affect
By these means the test criterion (see GB/T 11022-1999 6.2.4).
6.3 Radio interference voltage (RIV) Test
GB/T 11022-1999 and 6.3 apply the following addition.
Should be compact switchgear equipment, and were tested in the case of each switching device in the opening means closing all switches.
NOTE. If all leading electrical circuit switching device is closed, the opening of the earthing switch must.
Measuring the loop resistance of 6.4
GB/T 11022-1999 and 6.4 apply the following ...
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