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GBZ34935-2017: Technical specification for oil-immersed smart power transformers
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/Z 34935-2017 | English | 679 |
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Technical specification for oil-immersed smart power transformers
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GB/Z 34935-2017
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Basic data | Standard ID | GB/Z 34935-2017 (GB/Z34935-2017) | | Description (Translated English) | Technical specification for oil-immersed smart power transformers | | Sector / Industry | National Standard | | Classification of Chinese Standard | K41 | | Classification of International Standard | 29.180 | | Word Count Estimation | 34,325 | | Date of Issue | 2017-11-01 | | Date of Implementation | 2018-05-01 | | 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 | GBZ34935-2017: Technical specification for oil-immersed smart power 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.
Technical specification for oil-immersed smart power transformers
ICS 29.180
K41
People's Republic of China national standardization of technical guidance documents
Technical Specification for Oil - immersed Intelligent Power Transformer
Posted.2017-11-01
2018-05-01 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 General 3
4.1 intelligent power transformer composition 3
4.2 basic functions 4
4.3 The main features 4
4.4 basic technical requirements 4
5 configuration 5
5.1 Intelligent Component Configuration Principle 5
5.2 Intelligent Component IED Configuration 5
5.3 Merge unit 6
5.4 non-power protection IED 6
5.5 Cooling Device Control IED 7
5.6 On-load tap-changer control IED 7
5.7 Monitoring IED 9
5.8 Master IED 10
6 test, commissioning and acceptance 11
6.1 Intelligent Component Test 11
6.2 transformer body and intelligent components of the joint commissioning 12
6.3 Acceptance 14
Appendix A (informative) intelligent power transformer diagram 15
Appendix B (informative) Intelligent Commissioning Commissioning part of the test data record example 17
Figure A.1 Typical Power Transformer Composition 15
Figure A.2 Typical intelligent components of an intelligent power transformer 16
Figure B.1 high-voltage three-phase voltage and current values 17
Figure B.2 Station layer software screenshot 18
Figure B.3 Measurement results of dissolved gas in IED during long-term no-load test 19
Figure B.4 iron core ground current measurement of long time no load test 20
Figure B.5 top oil temperature rise, average oil temperature rise curve 24
Figure B.6 Top Oil Temperature Record Curve 24
Figure B.7 Oil surface temperature IED data and trends Figure 25
Figure B.8 High Temperature A Phase Winding Optical Fiber Temperature IED Data and Trend Figure 25
Figure B.9 high-voltage B-phase optical fiber temperature measurement IED data and trends Figure 25
Figure B.10 High-voltage C-phase winding fiber temperature measurement IED data and trends Figure 26
Figure B.11 core fiber temperature measurement IED data and trends Figure 26
Figure B.12 Cooling Unit Control IED Screenshot 26
Table 1 transformer intelligent projects and IED configuration 5
Table 2 non-power protection IED configuration 6
Table 3 cooling device control IED configuration and requirements 7
Table 4 on-load tap-changer control IED function and configuration requirements 8
Table 5 dissolved gas monitoring oil IED technical requirements 9
Table 6 main IED main configuration and requirements 11
Table 7 Main IED Auxiliary Configuration and Requirements 11
Table B.1 IED measurement voltage and current value of the performance test 17
Table B.2 on-load voltage regulation IED performance test 18
Table B.3 Oil analysis test and dissolved gas monitoring of IED performance test 19
Table B.4 laboratory test equipment PD measurement results 20
Table B.5 partial discharge monitoring IED performance test results 21
Table B.6 operating impact test voltage parameters and waveform 22
Table B.7 lightning impulse test voltage parameters and waveforms 23
Table B.8 Pressure Seal Tests 27
Table B.9 Casing Capacitance and Dielectric Loss Factor (tan δ) Measurements
Table B.10 non-power protection IED performance test 27
Table B.11 Merged Unit (MU) Performance Tests
Table B.12 Monitoring Primary IED Performance Testing (Bay Equipment) 28
Table B.13 Measurement and control unit performance test (spacer device) 28
Table B.14 background monitoring system performance test (station control equipment)
Table B.15 IED Status Checklist
Foreword
This instructional document has been drafted in accordance with the rules given in GB/T 1.1-2009.
This guidance document is proposed by China Electrical Equipment Industry Association.
The guidance of technical documents by the National Standardization Technical Committee Transformer (SAC/TC44) centralized.
The drafting of the guidance of technical documents. China Electric Power Research Institute, Shenyang Transformer Research Institute Co., Ltd., Shandong Electric Power
Co., Ltd., Beijing Sifang Automation Co., Ltd., Shanghai Rui Kai Electric Co., Ltd., Xi'an XD Power Transformer Co., Ltd.
Secretary, Baoding Tianwei change Electric Co., TBEA Hengyang Transformer Co., Ltd., Dalian World Friends Power Technology Co., Ltd.
The main drafters of this guidance document are Gao Fei, Zhang Xianzhong, Li Bo, Zhang Zhongguo, Liu Youwei, Zhao Xiaoyu, Li Jinzhong, Wang Xingang, Huang Xin,
Wang Fu, Ying Ying, Cheng Congming, Zhang Yongxin, Deng Yan Guo, Xiao Yan, Tang Hao, Zhang Shuqi, Jia Pengfei, Yu Xinru, Wang Shiyou.
Technical Specification for Oil - immersed Intelligent Power Transformer
1 Scope
This Guidance Document defines the terms and definitions, general rules, configuration, testing, commissioning and acceptance of oil-immersed intelligent power transformers.
The guidance of technical documents applicable to the system nominal voltage of 66kV ~ 750kV oil-immersed intelligent power transformers (hereinafter referred to as
"Smart Transformer") design, manufacture, testing and selection.
Other smart transformer design, manufacture, inspection and selection, etc. can refer to the implementation of this technical guidance.
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 1094.2 Power transformers - Part 2. Temperature rise of liquid immersed transformers
GB/T 1094.3 Power Transformer Part 3. Insulation level, insulation test and external insulation air gap
GB/T 1094.4 Power Transformers Part 4. Lightning Impulse and Operating Shock Test Guidelines for Power Transformers and Reactors
GB/T 1094.7 Power transformers - Part 7. Load guidelines for oil - immersed power transformers
Power transformers GB/T 1094.10 Part 10. Determination of sound level
GB/T 2423.1 Environmental testing for electric and electronic products Part 2. Test methods Test A. Low temperature
GB/T 2423.2 Environmental testing for electric and electronic products Part 2. Test methods Test B. High temperature
GB/T 2423.4 Environmental testing for electric and electronic products Part 2. Test methods Test Db. Alternating hot and humid (12h 12h cycle)
GB/T 2900.95 Electrotechnical terminology transformers, voltage regulators and reactors
GB/T 4109 Insulation bushing with AC voltage higher than 1000V
GB/T 6451 oil-immersed power transformer technical parameters and requirements
GB/T 7252 transformer oil dissolved gas analysis and judgment guidelines
GB/T 7354 partial discharge measurement
Electromagnetic compatibility (EMC) test and measurement techniques Electrostatic discharge (IMD) immunity test
GB/T 17626.3-2006 Electromagnetic compatibility test and measurement techniques RF electromagnetic field radiation immunity test
GB/T 17626.4-2008 Electromagnetic compatibility test and measurement technology Electrical fast transient burst immunity test
GB/T 17626.5-2008 Electromagnetic compatibility test and measurement techniques surge (impact) immunity test
GB/T 17626.6-2008 Electromagnetic compatibility test and measurement techniques RF field induced conduction disturbances immunity
Electromagnetic compatibility (EMC) - Testing and measurement techniques - Power frequency magnetic field immunity test
Electromagnetic compatibility (EMC) - Testing and measurement techniques - Pulsed magnetic field immunity test
GB/T 17626.10-1998 Electromagnetic compatibility Testing and measurement techniques Shock magnetic field immunity test
GB/T 30155 intelligent substation technical guidance
DL/T 860 (all parts) Substation communication networks and systems
DL/T 1411 Intelligent High Voltage Equipment Technical Guidelines
JB/T 10088 6kV ~ 1000kV power transformer sound level
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