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GB/T 41146-2021 English PDF

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US$474.00 · In stock
Delivery: <= 5 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 41146-2021: Method of sampling insulating liquids
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 41146-2021	474	Add to Cart	5 days	Method of sampling insulating liquids	Valid

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Basic data

Standard ID: GB/T 41146-2021 (GB/T41146-2021)
Description (Translated English): Method of sampling insulating liquids
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: K15
Word Count Estimation: 25,261
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 41146-2021: Method of sampling insulating liquids

---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.
Method of sampling insulating liquids ICS 29:035:10 CCSK15 National Standards of People's Republic of China Insulating liquid sampling method (IEC 60475:2011, IDT) Published on 2021-12-31 2022-07-01 Implementation State Administration for Market Regulation Released by the National Standardization Administration directory Preface III 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 General principles for sampling insulating liquids 2 4:1 New insulating liquid in transport container 2 4:1:1 Sampling site 2 4:1:2 Number of samples 2 4:1:3 Sampling equipment 2 4:1:4 Sampling procedure 6 4:2 Sampling of insulating oil in oil-filled equipment 8 4:2:1 General 8 4:2:2 Taking oil samples with a syringe 14 4:2:3 Oil sampling in ampoules 15 4:2:4 Oil sampling in flexible metal bottles 15 4:2:5 Oil sampling in glass and hard metal bottles 16 4:2:6 Oil samples from plastic bottles 17 4:3 Storage and Transport of Samples 17 4:4 Sample marking 17 Appendix A (Informative) Intermediate Level Sampling Procedure (Consists of Average Samples) 19 Appendix B (Informative) Syringe Integrity Test Procedure 20 Reference 21 Figure 1 Sampling bottle 3 Figure 2 Slurry spoon 4 Figure 3 Pipette 5 Figure 4 Siphon 6 Figure 5 Taking oil samples with a syringe 10 Figure 6 Oil samples taken from ampoules 11 Figure 7 Taking oil samples from bottles 12 Table 1 Sample Types of Unused Insulating Liquids7 Table 2 Sample Containers for Oil Testing 13 Table 3 Information on the oil sample label17

foreword

This document is in accordance with the provisions of GB/T 1:1-2020 "Guidelines for Standardization Work Part 1: Structure and Drafting Rules of Standardization Documents" drafted: This document is equivalent to IEC 60475:2011 "Method for sampling insulating liquids": The following editorial changes have been made to this document: --- Write the introduction in IEC 60475:2011 as an important reminder into the main text of this document, between the document name and the "scope"; --- Adjust the bar number in the "step" column of Table 1 to the bar number corresponding to this document; --- Subdivide 4:1:4:2 into two sub-level bars to make the presentation clearer: Please note that some content of this document may be patented: The issuing agency of this document assumes no responsibility for identifying patents: This document is proposed by China Electrical Equipment Industry Association: This document is under the jurisdiction of the National Technical Committee for Standardization of Insulating Materials (SAC/TC51): This document is drafted by: Electric Power Research Institute of State Grid Shandong Electric Power Company, Electric Power Research Institute of Guangdong Power Grid Co:, Ltd:, Guilin Saimeng Testing Technology Co:, Ltd:, Lanzhou Lubricant Research and Development Center of China National Petroleum Corporation, Shenzhen Jinghao Capacitor Co:, Ltd:, China Electric Power Research Institute Co:, Ltd:, State Grid Henan Electric Power Company Electric Power Research Institute, Guangxi University, the People's Republic of China Heguo Mianyang Customs, State Grid Tianjin Electric Power Company Electric Power Research Institute, Guilin Electric Apparatus Research Institute Co:, Ltd:, Guangdong Yisheng Testing Co:, Ltd: Co:, Ltd:, Guangdong Yidu Technology Co:, Ltd:, Shaanxi Runzheng Testing Technology Co:, Ltd:, Guangdong Chengxin Technology Co:, Ltd:, Guangdong Quanqing Testing Co:, Ltd: Co:, Ltd:, Yiwu Yuantai Intelligent Technology Co:, Ltd:, Guangdong Tehua Technology Co:, Ltd:, Xi'an Kaijinzhe Testing Co:, Ltd:, Guangdong Yonghui Technology Co:, Ltd:, Xi'an Yuntuo Electric Co:, Ltd: The main drafters of this document: Zhu Mengzhao, Zhao Yaohong, Qian Yihua, Zhao Jie, Zhao Chenglong, Luo Chuanyong, Wang Huijuan, He Yuping, Wang Jianyi, Cai Shengwei, Kou Xiaoshi, Yang Tao, Zheng Hanbo, Xiao Yu, Wen Yu, Hao Chunyan, Xiang Xiaoyun, Li Shouying, Deng Daicong, Huang Jianwei, Peng Yijun, Chen Shuangjie, Zhang Yuanlin, Zhang Zhihuan, Chen Ying, Zheng Haifeng: Insulating liquid sampling method General Warning, Health, Safety and Environmental Protection: This document is not required to address all relevant safety concerns: Assurance of health is what this document makes It is the responsibility of the user to determine the applicability of regulatory restrictions prior to use: Personal protection for the insulating oils covered in this document should be done: directly Contact with eyes may be irritating: In case of eye contact, flush with plenty of clean running water and seek medical help: This article The tests in this package involve the occurrence of situations that may lead to hazardous situations: Environment: This document applies to mineral and non-mineral oils, chemicals and used sample containers: It is worth noting that some mineral oils can There can still be contamination from PCBs: Safety measures should be taken to avoid impact on workers or public health and avoid serious Hazardous spills and discharges: These oils should be decontaminated in strict accordance with local regulations: All precautions should be taken to prevent Contaminated environment of edge liquid:

1 Scope

This document specifies sampling methods for insulating liquids, including transport containers and electrical equipment [such as power transformers, transformers, reactors, casings Methods of sampling insulating liquids in pipes, oil-filled cables, oil-filled tank capacitors, switchgear and on-load tap-changers (LTCs)]: This document applies to mineral oils and non-mineral oils (such as synthetic esters, natural ester or silicone oil):

2 Normative references

The contents of the following documents constitute essential provisions of this document through normative references in the text: Among them, dated citations documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to this document: IEC 60567:2011 Guide for gas sampling and analysis of free and dissolved gases in oil-filled electrical equipment (Oil-filed electrical equipment-Samplingofgasesand analysisoffreeanddissolvedgases-Guidance) IEC 60970 Methods for particle counting and size classification of insulating liquids (Insulating liquids-Methodsforcountingand sizing particles)

3 Terms and Definitions

The following terms and definitions apply to this document: 3:1 shipping containers deliverycontainers Containers for storing, transporting and delivering bulk oil products: Note: Such as oil drums, railway tankers, road tankers or soft plastic bags: 3:2 Electrical equipment electricalequipment Equipment filled with insulating oil, such as power transformers and transformers, reactors, bushings, oil-filled cables, oil-immersed iron-shell capacitors, switchgear and On-load tap-changer (LTCS): 3:3 sampling equipment samplingequipment For fittings from shipping containers (e:g: sampling probes, which can be ladle or siphon) and electrical equipment (e:g: connecting pipes and drain valves) ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 41146-2021_English be delivered?

Answer: Upon your order, we will start to translate GB/T 41146-2021_English as soon as possible, and keep you informed of the progress. The lead time is typically 3 ~ 5 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 41146-2021_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 41146-2021_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.