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GB/T 10129-2019 English PDF

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Q: Should I purchase the latest version GB/T 10129-2019?

Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 10129-2019 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.

US$439.00 · In stock
Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 10129-2019: Methods of measurement of magnetic properties of electrical steel strip and sheet at medium frequencies
Status: Valid

GB/T 10129: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 10129-2019	439	Add to Cart	4 days	Methods of measurement of magnetic properties of electrical steel strip and sheet at medium frequencies	Valid
GB/T 10129-1988	399	Add to Cart	3 days	Methods of measurement of magnetic properties of magnetic steel sheet and strip at medium frequencies	Obsolete

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Basic data

Standard ID: GB/T 10129-2019 (GB/T10129-2019)
Description (Translated English): Methods of measurement of magnetic properties of electrical steel strip and sheet at medium frequencies
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: H21
Classification of International Standard: 77.040.99
Word Count Estimation: 22,258
Date of Issue: 2019-08-30
Date of Implementation: 2020-07-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 10129-2019: Methods of measurement of magnetic properties of electrical steel strip and sheet at medium frequencies

---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.
Methods of measurement of magnetic properties of electrical steel strip and sheet at medium frequencies ICS 77.040.99 H21 National Standards of People's Republic of China Replace GB/T 10129-1988 Method for measuring medium frequency magnetic properties of electrical steel strips (sheets) (IEC 60404-10.2016, Magneticmaterials-Part 10. Methodsof Sheetatmediumfrequencies, MOD) Published on.2019-08-30 2020-07-01 implementation State market supervision and administration China National Standardization Administration issued

Content

Foreword I 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 General Principles of AC Magnetic Measurement 1 5 Measurement procedure for measuring total loss 5 6 Magnetic polarization intensity peak, magnetic field strength RMS, magnetic field strength peak and specific apparent power measurement method 7 7 Test report 11 Appendix A (Normative Appendix) Method for measuring the intermediate frequency magnetic properties of electrical steel strips (sheets) using ring specimens 12 Appendix B (informative) Epstein square circle for intermediate frequency measurement 13 Appendix C (informative) Digital Sampling Method for Magnetic Performance Measurement 14 Appendix D (informative) The technical differences between this standard and IEC -60404-10.2016 and its causes 17 Reference 18

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard replaces GB/T 10129-1988 "Electrical steel sheet (band) intermediate frequency magnetic performance measurement method". And GB/T 10129-1988 The main changes are as follows. --- Added digital sampling and data processing methods; ---Modified the content of air flux compensation under high frequency conditions, and replacing the capacitive coupling of the mutual inductance with digital compensation; --- Removed standard samples and instrumentation verification; --- Added test report; --- Revised Chapter 2 of the 1988 edition as Appendix A of this standard; --- Added Appendix B "Epstein Square Circle for IF Measurement"; --- Added Appendix C "Digital Sampling Method for Magnetic Performance Measurement". This standard uses the redrafting method to modify the use of IEC 60404-10.2016 "magnetic materials part 10. electrical steel strip (sheet) medium frequency magnetic Performance Measurement Method. This standard has a slight adjustment in structure compared to IEC 60404-10.2016, adjusted as follows. --- Appendix B of this standard corresponds to Appendix A of IEC 60404-10.2016; --- Appendix C of this standard corresponds to Appendix B of IEC 60404-10.2016. This standard is compared with IEC 60404-10.2016 "Magnetic materials part 10. Electrical steel strip (sheet) medium frequency magnetic properties measurement method" In the case of technical differences, the terms involved in these differences have been marked by a vertical single line (|) in the outer margin of the margin, Appendix D A list of the corresponding technical differences and their causes is given. This standard has made the following editorial changes. --- Modified the standard name; ---Modified the winding diameter of the winding coil of Appendix B is 0.35mm; -- (B.1) added a restrictive expression; --- Fixed an error in equation (C.2). This standard was proposed by the China Iron and Steel Association. This standard is under the jurisdiction of the National Steel Standardization Technical Committee (SAC/TC183). This standard was drafted. Baoshan Iron and Steel Co., Ltd., Changsha Tianheng Measurement and Control Technology Co., Ltd., Metallurgical Industry Information Standards Institute. The main drafters of this standard. Shen Jie, Zhou Xinhua, Tang Ling, Zhou Xing, Wang Yuxi, Zou Xueliang, Liu Ge. The previous versions of the standards replaced by this standard are. ---GB/T 10129-1988. Method for measuring medium frequency magnetic properties of electrical steel strips (sheets)

1 Scope

This standard specifies the general principle, specific loss, and magnetic polarization of the intermediate frequency AC magnetic properties of electrical steel strips (sheets) measured by Epstein squares. Degree peak, magnetic field strength RMS, magnetic field strength peak and specific apparent power measurement method, measuring device, measurement procedure and test report. This standard applies to alternating current magnetic measurements of grain orientation and grain non-oriented electrical steel strips (sheets) in the frequency range of 400 Hz to 10 kHz. Amount, suitable for test specimens taken from any grade of electrical steel strip (sheet). The sample was demagnetized before measurement and the measurement was carried out at ambient temperature (23 ± 5) °C. Note. The definition of "magnetic polarization" in this standard refers to GB/T 9637, and some standards of the electrical steel series use the definition of "magnetic flux density".

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article. Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 2521.1 Full-process cold-rolled electrical steel - Part 1. Grain-oriented steel strips (sheets) (GB/T 2521.1-2016, IEC 60404-8-4.2013, MOD) GB/T 2521.2 Whole Process Cold Rolled Electrical Steel Part 2. Grain Oriented Steel Strips (Sheets) (GB/T 2521.2-2016, IEC 60404-8-7.2008, MOD) GB/T 2900.60 Electrotechnical terminology electromagnetics [GB/T 2900.60-2002, eqvIEC 60050 (121)..1998] GB/T 3658 soft magnetic material AC magnetic properties ring sample measurement method (GB/T 3658-2008, IEC 60404-6.2003, MOD) GB/T 9637 Electrotechnical terminology standard magnetic materials and components [GB/T 9637-2001, eqvIEC 60050 (221)..1990] GB/T 19289 Method for measuring the density, resistivity and stacking factor of electrical steel sheets (belts) (GB/T 19289-2003, IEC 60404-13.1995, MOD)

3 Terms and definitions

The terms and definitions defined in GB/T 2900.60 and GB/T 9637 apply to this document.

4 General principles of AC magnetic measurements

4.1 General This chapter specifies the general conditions for measuring the intermediate frequency AC magnetic properties of electrical steel strips (sheets) using a 25 cm Epstein square. Measuring with a ring sample See Appendix A for the IF AC magnetic properties of electrical steel strips (sheets). 4.2 Principle of 25cm Epstein's Square Circle Method The 25cm Epstein square consists of a primary coil, a secondary coil and a sample to be tested as a core. It forms a no-load transformer The AC characteristics are measured according to the method described in 4.3~4.10. At the high end of the frequency range of this standard, a special structure of the Epstein square is required (see Appendix B). Coupling between windings The capacitance should be low enough that the effect of the capacitive impedance on the loss result is negligible; and the frame material supporting the coil should also have a low Dielectric loss. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 10129-2019_English be delivered?

Answer: Upon your order, we will start to translate GB/T 10129-2019_English as soon as possible, and keep you informed of the progress. The lead time is typically 2 ~ 4 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 10129-2019_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 10129-2019_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.

Question 5: Should I purchase the latest version GB/T 10129-2019?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 10129-2019 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.