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GB/T 6115.2-2017: Series capacitors for power systems -- Part 2: Protective equipment for series capacitor banks
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Series capacitors for power systems -- Part 2: Protective equipment for series capacitor banks
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Series capacitors for power systems -- Part 2: Protective equipment for series capacitor banks
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Basic data | Standard ID | GB/T 6115.2-2017 (GB/T6115.2-2017) | | Description (Translated English) | Series capacitors for power systems -- Part 2: Protective equipment for series capacitor banks | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | K42 | | Classification of International Standard | 31.060.70 | | Word Count Estimation | 54,566 | | Date of Issue | 2017-09-29 | | Date of Implementation | 2018-04-01 | | Older Standard (superseded by this standard) | GB/T 6115.2-2002 | | Regulation (derived from) | National Standard Announcement 2017 No. 23 | | Issuing agency(ies) | General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 | GB/T 6115.2-2017: Series capacitors for power systems -- Part 2: Protective equipment for series capacitor banks
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Series capacitors for power systems-Part 2. Protective equipment for series capacitor banks
ICS 31.060.70
K42
National Standards of People's Republic of China
Replacing GB/T 6115.2-2002
Series capacitor for power system
Part 2. Protective equipment for series capacitor banks
Part 2.Protectiveequipmentforseriescapacitorbanks
(IEC 60143-2.2012, MOD)
2017-09-29 Posted
2018-04-01 implementation
General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
China National Standardization Administration released
Directory
Foreword Ⅲ
1 Scope 1
2 Normative references 1
3 Terms and definitions 2
4 quality requirements and test 9
4.1 over-voltage protection 9
4.2 protect the gap 10
4.3 variable resistor 14
4.4 bypass equipment 18
4.5 Isolation switch and earthing switch 18
4.6 discharge current limiting damping device (DCLDE) 20
4.7 voltage transformer 23
4.8 Current Sensor 24
4.9 Coupling Capacitors 24
4.10 signal column 24
4.11 fiber optic platform connector 25
4.12 relay protection, control equipment and platform to ground communication equipment 25
Guideline 26
5.1 Overview
5.2 series capacitor specification parameters 27
5.3 protect the spark gap 27
5.4 Variable Resistors 28
5.5 Bypass equipment 32
5.6 Isolating switch 32
5.7 discharge current limiting damping device 33
5.8 voltage transformer 37
5.9 Current Transformer 37
5.10 relay protection, control equipment and platform to ground communication equipment 37
5.11 Protection redundancy 39
5.12 put into operation before the test 40
5.13 commissioning test 40
Appendix A (informative) Thyristor protection series capacitor 41
Appendix B (informative) This section and IEC 60143-2.2012 subsection number control 42
Appendix C (informative) This part of IEC 60143-2.2012 technical differences and their causes 45
Reference 49
Typical terminology of series capacitor device in Fig. 1 5
Figure 2 overvoltage protector type 9
Figure 3 waveform of the recovery voltage test
Figure 4 Typical volt-ampere characteristic curve of a specific metal oxide valve (diameter 95 mm)
Figure 5 Single-phase fault current, voltage and energy waveforms
Figure 6 Common Positions in Bypass Branches Figure 33
Figure 7 capacitor in parallel with the MOV and DCLDE in series 33
Figure 8 DCLDE in series with capacitor and MOV in parallel 34
Figure 9 Current-limiting reactor 35 only
Figure 10 Current limiting reactor in parallel with the damping resistor, variable resistor and resistor in series 35
Figure 11 Current limiting reactor in parallel with damping resistor, spark gap in series with resistor 36
Figure 12 discharge current limiting damping device with, without damping resistor discharge oscillation Figure 36
Figure A.1 Thyristor Protection Topology 41
Table 1 Summary of design criteria for variable resistor energy absorption (example) 28
Table 2 Typical Series Capacitor Bank Protection Schedule 39
Table B.1 This section and IEC 60143-2.2012 subsection number control 42
Table C.1 Technical differences between this part and IEC 60143-2.2012 and their causes
Foreword
GB/T 6115 "series capacitors for power system" is divided into the following sections.
--- Part 1. General principles;
--- Part 2. Series capacitor with protection equipment;
--- Part 3. Internal fuse;
--- Part 4. Thyristor controlled series capacitors.
This section GB/T 6115 Part 2.
This section drafted in accordance with GB/T 1.1-2009 given rules.
This Part replaces GB/T 6115.2-2002 "Series capacitors for power systems Part 2 - series capacitor bank protection equipment",
The main technical changes compared with GB/T 6115.2-2002 are as follows.
--- Modify the definition of "protective equipment" (see Chapter 1,.2002 edition 1.1);
--- Removed "discharge equipment", "discharge voltage (variable resistor)", "capacitor group internal fault", "insulation level", "protection room
Gap ", 5 terms; (see.2002 edition 1.3.14, 1.3.15, 1.3.17, 1.3.23, 1.3.40);
--- Added "trigger on bypass clearance", "swing current", "through the fault current, part of the fault current", "variable resistor with
Current "," voltage breakdown conduction bypass gap "," auxiliary gap "six terms (see 3.14,3.44,3.49,3.55,3.57,3.58);
--- Change "(max.) Continuous operating voltage MCOV" to "continuous operating voltage COV, variable resistor MCOV" (see 3.10,
2002 edition 1.3.28);
--- Combine "Capacitor-Operable Pole" and "Pole (Capacitor-Operable Pole)" Modifications to "Module, (Capacitor-Operable) Pole"
(See 3.25,.2002 edition 1.3.11, 1.3.25);
--- For the "Test of Protective Gaps" section, follow the "Overview", "Trigger Circuit", "Trigger Gap", "Main Gap", "Voltage Breakdown Conduction
Clearance test "," triggering the gap test "and" special test (type test) "The idea of adding seven parts (see 4.2.3,
2002 edition 2.1.1.3);
--- For the "main gap" of the "type test" part, an increase of pilot projects, while refining the various test procedures and acceptance conditions (see
4.2.2.3.2.2,.2002 edition 2.1.1.3.1.1);
--- Removed the "trigger circuit" of various types of type test and factory test, an increase of "voltage breakdown conduction gap test" and
"Triggering the conduction gap type test" (see 4.2.3.5.4.2.3.6,.2002 edition 2.1.1.3.2);
--- Increased protection of the gap "special test (type test)" (see 4.2.3.7);
--- Modify the routine testing of variable resistors and type tests (see 4.3.3,.2002 edition 2.1.2.3);
--- Change "bypass circuit breaker" to "bypass equipment" and delete the test contents of "bypass circuit breaker" (see 4.4,.2002 version 2.2.3);
--- Modify the "use of bypass disconnectors" (see 4.5.2.1,.2002 edition 2.3.1.1);
--- For the "isolating switch and earthing switch" added a routine test and type test project (see 3.5.3,.2002 version 2.3.3);
--- Modified routine and type tests for "discharge current limiting damping equipment (DCLDE)" with the addition of special tests (see
4. 6. 3. 2., 4. 6. 3. 2. 3, 4. 6. 3. 2. 4,.2002 ... 2.4.3.1);
--- Removed the "discharge reactor" of the relevant content (see.2002 version 2.5,3.8);
--- Added "electromagnetic type voltage transformer additional type test" (see 4.7.3.2);
--- Added "coupling capacitor" and "fiber optic platform connector" related content (see 4.9,4.11);
--- Modify the "discharge current limiting damping device" content, an increase of "discharge current limiting damping device position" and other related content (see 5.7,
2002 edition 3.7);
--- Modify the "relay protection, control equipment and platform to ground communication equipment" in the content (see 5.10,.2002 version 3.11);
--- Added "protection redundancy" related content (see 5.11);
--- Added "Appendix A" (see Appendix A).
This section uses the redrafted law to amend the use of IEC 60143-2.2012 "series capacitors for power systems Part 2. Series capacitors
Device group with protective equipment. "
This part of the structure compared with IEC 60143-2.2012 more adjustments, Appendix B lists this part of the IEC 60143-2.2012
Chapter number control list.
This section there are technical differences compared with IEC 60143-2.2012, the provisions of these differences have been passed in the outer margin of its margin
The position of the vertical single (|) was identified in Appendix C is given a list of the corresponding technical differences and their causes.
This part is proposed by China Electrical Equipment Industry Association.
This part of the National Power Capacitor Standardization Technical Committee (SAC/TC45) centralized.
This part of the drafting unit. China Electric Power Research Institute, Xi'an High Voltage Electric Research Institute Co., Ltd., State Grid Zhejiang Power Company
Shaoxing Power Supply Company, Global Energy Internet Research Institute, Xi'an ABB Power Capacitor Co., Ltd., Xi'an West Power Capacitor Co., Ltd.
Company, Xi'an Xidian Power System Co., Ltd., Nanjing NARI Electric Co., Ltd., Shanghai Siyuan Power Capacitor Co., Ltd., Wuxi
Crystal Power Capacitor Co., Ltd., Guilin Power Capacitor Co., Ltd., Shandong Taikai Power Electronics Co., Ltd., Shenzhen Sanhe Power
Technology Co., Ltd., Xiamen Farah Electronics Co., Ltd., Zhejiang Gui Rong Tuping Technology Co., Ltd., Shanghai Yong Jin Electric Group Co., Ltd.
Company, Nanyang Golden Delicious Electric Co., Ltd.
The main drafters of this section. Ni Xuefeng, Yuan Fuxing, Lin Hao, Ho Wai Man, Jia Hua, Yao Si Li, Wang Yu Jing, Yan Fei, Chen Xiaoyu, Dai Zhaobo,
Fang Jinlan, Li Huaiyu, Dong Haijian, Zhou Xiaoqin, Zhou Qiwen, Xiong Huanghai, Lei Qiao Shu, Qin Huazhong, Zhu Wenqing, Lu Tao, Huang Shunda, Rao Chonglin,
Zhao Fuqing, Zhao Dong one.
This part replaces the standards previously issued as.
--- GB/T 6115.2-2002.
Series capacitor for power system
Part 2. Protective equipment for series capacitor banks
1 Scope
GB/T 6115 provisions of this part of the series capacitor capacitor protection equipment terms and definitions, quality requirements and testing, application and operation
Bank guidelines and so on.
This section applies to more than 10Mvar each phase capacitor series capacitor protection device. Protective equipment is to prevent damage to the capacitor
Bad or capacitor fault expansion devices, ancillary equipment and technical measures. The requirements of the series capacitor section are given by GB/T 6115.1-2008
Out, GB/T 6115.1-2008 in Chapter 3 and 10.6 refers to the protection of equipment.
The protection equipment involved in this section is as follows.
--- Over-voltage protection;
--- Protection of spark gap;
--- Nonlinear resistors (variable resistors);
--- Bypass equipment;
--- Isolating switch and grounding switch;
--- discharge current limiting damping equipment;
--- voltage transformer
---current sensor;
--- Coupling capacitor;
--- Signal column;
--- Fiber platform connector;
--- Relay protection, control equipment and platform to ground communication equipment.
4.1 Examples of different overvoltage protection schemes.
Chapter 5 gives the principle of application and operation of series capacitors.
Chapter 5 also gives examples of fault conditions.
The purpose of this section is.
--- Formulate uniform rules on performance, testing and rating;
--- Describe different types of over-voltage protection;
--- Prescribed installation and operation guidelines.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version applies to this article
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 1094.1 power transformers Part 1. General (GB/T 1094.1-2013, IEC 60076-1.2011, MOD)
GB/T 1094.6-2011 power transformers Part 6. Reactors (IEC 60076-6.2007, MOD)
GB/T 1985-2014 high voltage AC isolation switch and earthing switch (IEC 62271-102.2001 A1.2011, MOD)
GB/T 2423 Environmental testing for electric and electronic products (all parts) [IEC 60068-2 (all parts)]
GB/T 6115.1-2008 series capacitors for power systems Part 1. General (IEC 60143-1.2004, MOD)
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