GB 20840.3-2013 English PDFUS$859.00 · In stock
Delivery: <= 6 days. True-PDF full-copy in English will be manually translated and delivered via email. GB 20840.3-2013: [GB/T 20840.3-2013] Instrument transformers -- Part 3: Additional requirements for inductive voltage transformers Status: Valid
Basic dataStandard ID: GB 20840.3-2013 (GB20840.3-2013)Description (Translated English): [GB/T 20840.3-2013] Instrument transformers -- Part 3: Additional requirements for inductive voltage transformers Sector / Industry: National Standard Classification of Chinese Standard: K41 Classification of International Standard: 29.180 Word Count Estimation: 33,342 Older Standard (superseded by this standard): GB 1207-2006 Quoted Standard: GB/T 20840.1-2010; GB/T 156; GB 311.1; GB/T 2900.15; GB/T 5585.1; GB/T 7252; GB/T 7595; GB 20840.1-2010; GB/T 22071.2 Adopted Standard: IEC 61869-3-2011, MOD Regulation (derived from): National Standards Bulletin No. 25 of 2013 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 standard applies to electrical measuring instruments for use or protection devices, new manufacturing electromagnetic frequency voltage transformer 15Hz ~ 100Hz for. All voltage transformers are suitable for measurement, but certain types of voltage GB 20840.3-2013: [GB/T 20840.3-2013] Instrument transformers -- Part 3: Additional requirements for inductive voltage transformers---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. Instrument transformers.Part 3. Additional requirements for inductive voltage transformers ICS 29.180 K41 National Standards of People's Republic of China Replacing GB 1207-2006 Transformers - Part 3. Electromagnetic Voltage Transformer Additional technical requirements Instrumenttransformers-Part 3. Additionalrequirementsforinductive (IEC 61869-3.2011, MOD) Issued on. 2013-12-17 2014-11-14 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released Table of ContentsIntroduction Ⅲ Introduction Ⅴ 1 Scope 1 2 Normative references 1 3 Terms and definitions 3.1 General definitions 1 3.2 For definitions of the electrical insulation rating of 2 3.4 concerning the definition of the accuracy of 3 3.5 For definitions of the other rating 3 3.7 Symbol and name 3 Rating 4 5 5.2 highest voltage for equipment 4 5.3 Rated insulation level 4 5.5 rated output of 4 Rated accuracy class 5.6 5 5.301 Rated voltage standard value 7 5.302 Rated voltage factor standard values 7 Design and construction of 8 6 6.4 pairs of the temperature rise of parts and components of claim 8 Ground equipment requirements 8 6.5 6.13 flag 8 6.301 short circuit withstand capability 12 6.302 insulating oil performance requirements 12 6.303 pairs of outlet terminals of claim 12 6.304 pairs of voltage transformer oil-immersed structural requirements 12 7 Test 12 7.1 General 12 7.2 Type tests 13 7.3 Routine tests 16 Appendix 3A (informative) of this section with IEC 61869-3. structural changes in 2011 compared to 20 Appendix 3B (informative) of this section with IEC 61869-3.2011 technical differences and their causes 22 Appendix 3C (Informative Appendix) IEC 61869-3.2011 rated voltage of the secondary winding of a typical plate example, a typical data Plate example and internal arc fault test 25 Figure 301 single-phase voltage transformer is not grounded a secondary winding 9 FIG. 302 has a secondary winding single-phase earth voltage transformer 9 Figure 303 has a three-phase secondary winding group 9 Figure 304 has two secondary windings of the single-phase voltage transformer 9 Figure 305 has two secondary windings of a three-phase group 9 Figure 306 with a multi-tap secondary winding single-phase voltage transformer 10 Figure 307 three-phase set of a multi-tapped secondary winding band 10 Figure 308 single-phase voltage transformer with two taps of the secondary windings 10 FIG. 309 has a residual voltage winding single-phase voltage transformer 10 FIG. 310 has a residual voltage winding three-phase voltage transformer 11 311 foreign construction frequency voltage withstand test Test voltage applications 18 Figure 312 induction voltage test test voltage application (primary winding excitation) 18 Figure 313 induction voltage test test voltage application (secondary winding excitation) 18 Figure 3C.301 typical plate example 26 Figure 3C.302 has a view of a typical data plate example 26 Table 301 measuring voltage transformer voltage and phase error limits 6 Table 302 protection voltage transformer voltage and phase error limits 6 Table 303 Rated voltage factor standard values 7 Table 11 pilot projects 12 Load range table 304 Accuracy Test 15 This section table 3A.301 and IEC 61869-3. reg number 2011 of 20 control cases This section table 3A.302 and IEC 61869-3.2011 Fig, table number 21 control cases Table 3B.301 this section with IEC 61869-3.2011 technical differences and their causes 22 Table 3C.301 produce a residual voltage of the secondary winding rated voltage 25ForewordThis section on recommended and mandatory provisions of the regulations and GB 20840.1-2010 "transformers - Part 1. General technical requirements" the same. GB 20840 "transformer" into the following sections. --- Part 1. Common technical requirements; --- Part 2. additional technical requirements current transformer; --- Part 3. Supplementary technical requirements of electromagnetic voltage transformer; --- Part 4. Combined Transformer additional technical requirements; --- Part 5. additional technical requirements for capacitor voltage transformer; --- Part 6. electronic transformer and low power independent of the sensor complement common technical requirements; --- Part 7. Electronic voltage transformers supplementary technical requirements; --- Part 8. Electronic current transformers additional technical requirements; --- Part 9. Transformer digital interface; --- Part 10. Supplementary independent current sensor technology low power requirements; --- Part 11. Low-power complementary technologies independent voltage sensor requirements; --- Part 12. Combined electronic transformer and complementary combination of technical requirements independent of the sensor; --- Part 13. Independent merge cells. This is Part 3 GB 20840's. This section drafted in accordance with GB/T 1.1-2009 given rules. This Part replaces GB 1207-2006 "Electromagnetic Voltage Transformer." This section needs with GB 20840.1-2010 "transformers - Part 1. General technical requirements" supporting the use of. This section follows the GB 20840.1 of the preparation of the structure, is a supplement corresponding provisions of GB 20840.1, modification or replacement. When the terms of GB 20840.1 In this Part Not to mention the points in time, as long as reasonable, those terms would apply to this section. When specified in this section, "add", "modification" or "replacement", the It means that the relevant provisions of GB 20840.1 in this section is adapted accordingly. For Zhang, bars, graphs, tables, notes and appendix in GB 20840.1-2010 based on additions, this section uses the following forms of ID. --- Chapter, bar, graphs, tables, and note the number 301 from the beginning; --- Appendix No. 3A, 3B and the like. This section uses redrafted law revision using IEC 61869-3.2011 "Transformers - Part 3. Electromagnetic Voltage Transformer supplement skills requirement". This part of IEC 61869-3.2011, compared with more adjustment in the structure, are listed in Appendix 3A of this section with the IEC 61869-3. Chapter, article, figure, table number 2011 of the control list. Technical differences exist compared to 2011, the terms of these differences have been involved through gaps in its outer margin. This part of IEC 61869-3 A single vertical line at position (|) have been identified in Appendix 3B is given a list of corresponding technical differences and their causes. This section also made the following editorial changes. --- Increasing the "Introduction"; --- Remove the IEC 61869-3.2011 and 7.4 of 7.2.3.3.1,7.3.2.1 title, content becomes 7.2.3.3 and 7.2.3.3.1 of content; --- The IEC 61869-3.2011 The 7.3.1.303.1 (This section 7.3.2.303.1) formula used to symbolically expressed in words Formula expression, and various symbols are explained in the formula; --- Increase the informative appendix 3C, the IEC 61869-3.2011 is not used in the secondary winding rated voltage and nameplate shows typical Content and other cases listed in the Appendix. Please note that some of the content of this document may involve patents. Release mechanism of the present document does not assume responsibility for the identification of these patents. This part is proposed by the China Electrical Equipment Industrial Association. This part of the National Standardization Technical Committee transformers (SAC/TC222) centralized. This section is drafted. Shenyang Transformer Research Institute Co., Ltd., State Grid Electric Power Research Institute, Tohoku Electric Power Research Institute shares Parts Limited, Dalian first transformer limited liability company, TBEA Kangjia (Shenyang) Transformer Co., Ltd., Zhongshan City, Thailand spike Gas Co., Ltd., Dalian Northern Transformer Group Co., Ltd., Guangdong Power Research Institute, Chint Electric Co., Ltd., Jiangsu West Jiangxi Power Electric Co., Ltd., Hengyang Huarui Electric Co., Ltd., Jiang Su Kexing Electric Co., Ltd., Dalian Transformer Co., Ltd., Liaoning new Ming Transformer Co., Ltd., Jiangsu Jingjiang Transformer Co., Ltd., Baoding Tianwei Transformer Co., Ltd., Shenyang Transformer Co., Ltd., Nanjing Waves with Wo Transformer Co., Ltd. The main drafters of this section. cotton emperor, Zhang Zhong country Yeguo Xiong, Zhangjun Yang, Xiao Yaorong, vector Ying Qi, Liu Yufeng, Yu Sha Chau, Zhang Jun, Xu Chao, Yin Shian Yao Jing Sen, Ren Tao, Zhang Aimin, Liufang Yi, Wu Chun first, Wang Yuan, Cai Qiang, Jiang Yong Xiong, Xue Tao night, Lingui Wen, Caoxiao E, Liu Shuang, Liu Shuo.IntroductionIEC /TC38 standard system has been realigned, before the upcoming IEC 60044 series of standards is now readjusted IEC 61869 series of standards. In order to better use of international standards, the National Standardization Technical Committee transformers (SAC/TC222) The study Decided to our current system of national standards Transformer also press IEC /TC38 new standard system be realigned before the upcoming The individual transformers to national standards IEC 60044 series of standards by the corresponding relationship between IEC 61869 series of standards correspond to re Develop, constitute a "common technical requirements" general part and each "Supplementary technical requirements" section dedicated supporting new Transformers series Country standard. New national standards for transformers intended to form the overall situation is as follows. General part of the standard number and name Special section Standard Dedicated part of the standard name corresponding Original Standard GB 20840.1 General technical requirements Supplementary technical requirements GB 20840.2 current transformer GB 1208 GB 16847 Complementary technology GB 20840.3 Electromagnetic Voltage Transformer requirements GB 1207 GB 20840.4 Combined Transformer supplementary technical requirements of GB 17201 GB/T 20840.5 additional technical requirements for capacitor voltage transformers GB/T 4703 GB 20840.6 Electronic transformer And low power independent Supplementary sensors General technical requirements GB 20840.7 additional technical requirements for electronic voltage transformer GB/T 20840.7 Supplementary technical requirements GB 20840.8 electronic current transformer GB 20840.9 Transformer Digital Interface Supplementary technical requirements GB 20840.10 low power independent current sensor GB/T 20840.8 GB 20840.11 complementary technologies independent low power voltage sensor requirements GB/T 20840.7 GB 20840.12 Complement combination electronic transformer and combinations of independent sensors Charge technical requirements GB 20840.13 merge independent unit - Transformers - Part 3. Electromagnetic Voltage Transformer Additional technical requirements1 ScopeGB 20840 for this section applies to electrical measuring instruments or protection devices use a frequency of 15Hz ~ 100Hz of new manufacturing Electromagnetic voltage transformer. 301 Note. This section does not include additional technical requirements for three-phase voltage transformer, but the relevant parts of Chapter 4 ~ Chapter 10 technical requirements are also applicable to three-phase power Pressure transformers and some provisions (such as. 3.1.303,5.5.301,5.301.1,5.301.2,6.13.301 and Table 303) already contains a small amount of it relates to Their content. All voltage transformers are suitable for measurement, but some types of voltage transformer is also suitable for protection. And protection of the two measurements Use voltage transformers shall comply with all the provisions of this section.2 Normative referencesThe following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. Who does not note date reference documents, the latest edition (including any amendments) applies to this document. Chapter 2 GB 20840.1-2010 content with the following additions apply. GB/T 156 standard voltage (GB/T 156-2007, IEC 60038.2002, IEC StandardVoltages, MOD) GB 311.1 insulation coordination - Part 1. Definitions, principles and rules (GB 311.1-2012, IEC 60071-1.2006, MOD) GB/T 2900.15 Electrotechnical terminology transformers, transformers, regulators and reactors (GB/T 2900.15-1997, IEC 60050 (421).1990, IEC 60050 (321). 1986, NEQ) GB/T 5585.1 electrician with copper, aluminum and its alloy bus - Part 1. Copper and copper alloy bus GB/T 7252 transformer oil dissolved gas analysis and judgment guidelines (GB/T 7252-2001, IEC 60599.1999, NEQ) Transformer oil quality GB/T 7595 running GB 20840.1-2010 transformers - Part 1. General Requirements (IEC 61869-1.2007, MOD) GB/T 22071.2 Transformer Test Guidelines - Part 2. Electromagnetic Voltage Transformers3 Terms and DefinitionsGB 20840.1-2010 defined in the terms and definitions as well as the following additions are applicable to this document. 3.1 General definitions 3.1.301 Voltage transformer voltagetransformer A normal conditions of use and its secondary voltage is proportional to the actual primary voltage, and when the phase difference is close to the correct coupling method Zero transformers. [GB/T 2900.15-1997, the definition 3.4.30] 3.1.301.1 Electromagnetic voltage transformer inductivevoltagetransformer One kind of electromagnetic induction by the primary voltage converted into a proportional voltage transformer secondary voltage. This transformer is not attached other changes Primary voltage electrical components (e.g., capacitors). 3.1.302 Ungrounded voltage transformer unearthedvoltagetransformer Comprising a primary winding terminals, including its various parts are rated insulation level ground insulation voltage transformer. [GB/T 2900.15-1997, the definition 3.4.31] 3.1.303 Ground voltage transformer earthedvoltagetransformer One end of the primary winding directly earthed single-phase voltage transformer, the primary winding or star connection point is directly earthed three-phase voltage mutual Sensors. [GB/T 2900.15-1997, the definition 3.4.32] 3.1.304 Measuring voltage transformer measuringvoltagetransformer The measuring instruments, meters and similar appliances integral transmission of the information signal voltage transformer. [Rewrite GB/T 2900.15-1997, the definition 3.4.33] 3.1.305 Protective voltage transformer protectivevoltagetransformer The protection and control means for transmitting the information signal voltage transformer. [GB/T 2900.15-1997, the definition 3.4.34] 3.1.306 The primary winding primarywinding Is converted voltage applied to the windings. [GB/T 2900.15-1997, the definition 4.3.6] 3.1.307 Secondary winding secondarywinding Voltage power supply circuit to the winding measuring instruments, instrument integration, protection or control devices. [GB/T 2900.15-1997, the definition 4.3.9] 3.1.308 Residual voltage winding residualvoltagewinding A single-phase voltage transformer winding for coupling to an opening in a three-phase delta group of three single-phase voltage transformer, which mesh It is. a) generating a residual voltage when a ground fault; b) the relaxation oscillation damping (ferromagnetic resonance). [GB/T 2900.15-1997, the definition 4.3.20] 3.2 For definitions of the electrical insulation rating 3.2.301 Rated primary voltage ratedprimaryvoltage Upr As voltage transformer primary voltage performance benchmarks. [GB/T 2900.15-1997, the definition 2.3.29] 3.2.302 Rated secondary voltage ratedsecondaryvoltage Usr Voltage transformer secondary voltage value as performance benchmarks. [GB/T 2900.15-1997, the definition 2.3.31] 3.2.303 Rated voltage factor ratedvoltagefactor Fv Factor with a rated primary voltage multiplied to determine the thermal voltage transformer should meet the relevant performance requirements within the specified time and meet The highest voltage level about the exact requirements. [GB/T 2900.15-1997, the definition 2.3.26] 3.4 concerning the definition of accuracy 3.4.3 The ratio difference ratioerror 3.4.3 with the following additions to the content of GB 20840.1-2010 are applicable. The ratio difference (voltage error) the percentage represented by the following formula. ε = kr × Us-Up Up × 100 Where. ε --- ratio difference (voltage error),%; kr --- rated transformation ratio; Up --- the actual primary voltage, in volts (V); Us --- In the measurement conditions, the actual secondary voltage Up is applied when the unit is volt (V). 3.5 Other definitions of ratings 3.5.301 Thermal limit output thermallimitingoutput At rated voltage, secondary winding can supply and temperature does not exceed the prescribed limits of the apparent power value. 301 Note. In this state, all ratios and phase difference between the secondary winding almost exceeds the limit. 302 Note. There are a plurality of secondary windings, the thermal limit output value of the windings should be separately marked. 303 Note. In addition to producing otherwise agreed with the user, not allowed to have two or more secondary windings while supplying thermal limit output. 3.7 Symbol and Name GB 20840.1-2010 3.7 with the following alternatives. IT transformer CT current transformer CVT capacitor voltage transformer VT Voltage transformer AIS Air Insulated Switchgear station GIS gas-insulated metal-enclosed switchgear The actual ratio k kr rated transformation ratio ε ratio difference The phase difference Δφ Sr Rated output Usys maximum system voltage Highest voltage for equipment Um Rated primary voltage Upr Rated secondary voltage Usr Fv Rated voltage factor Rated frequency fr F mechanical loads Frel relative leak rate5 RATINGSChapter 5 GB 20840.1-2010 content with the following modifications are applicable. 301 Note. Please note that the supplementary voltage rating of 5.301 "nominal voltage standard value" is listed with 5.2 "highest voltage for equipment" considered together. This provision Layout will be rescheduled in the next revision of GB 20840. 5.2 Highest voltage for equipment 5.2 and the content of the following supplemental GB 20840.1-2010 are applicable. The nominal voltage of the system voltage equipment highest standard value 1000kV voltage transformer in accordance with the provisions of GB 311.1. 5.3 Rated insulation level 5.3.2 a side rated insulation level 5.3.2 with the following additions to the content of GB 20840.1-2010 are applicable. 1000kV system nominal voltage of the voltage transformer primary side rated insulation level shall comply with the provisions of GB 311.1. 5.3.3.2 truncated lightning impulse 5.3.3.2 with the following additions to the content of GB 20840.1-2010 are applicable. Nominal system voltage of a voltage transformer terminal 1000kV truncated lightning impulse withstand voltage should be consistent with the GB 311.1 Provisions. 5.3.3.301 ground terminal of power frequency withstand voltage Rated frequency withstand voltage should be 3kV (rms). If the voltage transformer of highest voltage for equipment Um≥40.5kV, the rated frequency withstand voltage should be 5kV (rms). 5.5 rated output 5.5.301 rated output value VA to represent a power factor of 1.0 nominal output standard. 1.0VA, 1.5VA, 2.5VA, 3.0VA, 5.0VA, 7.5VA, 10VA (l......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB 20840.3-2013_English be delivered?Answer: Upon your order, we will start to translate GB 20840.3-2013_English as soon as possible, and keep you informed of the progress. The lead time is typically 4 ~ 6 working days. 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