GB/T 3048.8-2007 English PDFUS$319.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 3048.8-2007: Test methods for electrical properties of electric cables and wires -- Part 8: AC Voltage test Status: Valid GB/T 3048.8: Historical versions
Basic dataStandard ID: GB/T 3048.8-2007 (GB/T3048.8-2007)Description (Translated English): Test methods for electrical properties of electric cables and wires -- Part 8: AC Voltage test Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: K13 Classification of International Standard: 29.060 Word Count Estimation: 12,184 Date of Issue: 2007-12-03 Date of Implementation: 2008-05-01 Older Standard (superseded by this standard): GB/T 3048.8-1994 Quoted Standard: GB/T 311.6; GB/T 2900.19; GB/T 3048.1; GB/T 16927.2 Adopted Standard: IEC 60060-1-1989, NEQ Regulation (derived from): Announcement of Newly Approved National Standards No. 12 of 2007 (total 112) 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 specifies the AC voltage test of terms and definitions, test equipment, Specimen preparation, test procedures, test results and evaluation, precautions and test records. This section applies to wire and cable products withstand AC voltage test, but not for winding wire products. This part should GB/T 3048. 1 together. GB/T 3048.8-2007: Test methods for electrical properties of electric cables and wires -- Part 8: AC Voltage test---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. Test methods for electrical properties of electric cables and wires. Part 8. AC Voltage test ICS 29.060 K13 National Standards of People's Republic of China Replacing GB/T 3048.8-1994 Electrical properties of wire and cable test methods Part 8. ac voltage test (IEC 60060-1. 1989, High-voltagetesttechniques- Part 1. General definitions and requirements, NEQ) 2007-12-03 released 2008-05-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China China National Standardization Administration released Directory Preface Ⅰ 1 Scope 1 2 Normative references 1 3 Terms and definitions 1 4 test equipment 2 5 Sample Preparation 3 6 Test Procedure 3 7 test results and assessment 5 8 Matters needing attention 5 9 Test Record 5 Appendix A (Normative) Sensing Series Resonant Circuit and Parameter Selection 6 A. 1 series resonant test circuit 6 A. 2 Resonance conditions 6 A. 3 parameter selection 7 ForewordGB/T 3048 "wire and cable electrical performance test method" is divided into 14 parts. --- Part 1. General; --- Part 2. Resistivity test of metallic materials; --- Part 3. semi-conductive rubber material volume resistivity test; --- Part 4. DC resistance test conductor; --- Part 5. Insulation resistance test; --- Part 7. Resistance to tracking test; --- Part 8. AC voltage test; --- Part 9. Insulated wire core spark test; --- Part 10. Extrusion sheath spark test; --- Part 11. Dielectric loss tangent test; --- Part 12. Partial discharge test; --- Part 13. Impulse voltage test; --- Part 14. DC voltage test; --- Part 16. Surface resistance test. This section GB/T 3048 Part 8, corresponding to IEC 60060-1. 1989 "high voltage test techniques - Part 1. General set Yi and test requirements "(in English). This standard and IEC 60060-1. 1989 degree of non-equivalent. This section and IEC 60060-1. 1989 the main differences are as follows. --- Only with IEC 60060-1. 1989 Chapter 5 "AC voltage test" corresponds to the rest of all deleted; --- Corresponds to IEC 60060-1. 1989 Chapter 5 "AC voltage test" the main technical differences. 1) Modify the "AC voltage frequency" according to the product standard; 2) Remove the "requirements of the transformer test circuit"; 3) Modify "Series Resonance Circuit" and add Appendix A "Test Circuit and Parameter Selection of Regulator Series Resonance"; 4) The "test voltage measurement" has been modified, and added a routine test using three from the high-pressure direct measurement method; 5) The "test procedure" made a major change, adding detailed provisions of the cable sample wiring and specific instructions wiring table 1 and Table 2, delete "destructive discharge voltage test" and "ensure destructive discharge voltage test"; --- Coordination with other parts of GB/T 3048, this section adds Chapter 2 "normative references", Chapter 5 "sample system Preparation ", Chapter 7" Test Results and Evaluation ", Chapter 8" Precautions "and Chapter 9" Test Record ". This Part replaces GB/T 3048.8-1994 "wire and cable electrical performance test methods AC voltage test." This revision follows GB/T 1.1-2000 "Standardization Guide Part 1. Standard Structure and Writing Rules" This section has been adjusted. This section compared with GB/T 3048.8-1994 main changes are as follows. --- Standard English name changed to "Testmethodsforelectricalpropertiesofelectriccablesandwires- Part 8. ACvoltagetest "; --- The overall structure and layout of this section has been modified according to GB/T 1.1-2000. 1) Chapter 1 is "Scope" (Chapter 1 of the.1994 edition; Chapter 1 of this edition); 2) Chapter 2 is "Normative references" (Chapter 2 of the.1994 edition; Chapter 2 of this edition); 3) Chapter 3 is "Terms and definitions" (1994 edition no; Chapter 3 of this edition); 4) Chapter 4 is "Test Equipment" (Chapter 3 of the.1994 edition; Chapter 4 of this edition); 5) Chapter 5, "Specimen Preparation" (Chapter 4 of the.1994 edition; Chapter 5 of this edition); 6) Chapter 6, "Test Procedures" (Chapter 5 of the.1994 edition; Chapter 6 of this edition); 7) Chapter 7 is "Test Results and Assessment" (Chapter 6 of the.1994 edition; Chapter 7 of this edition); 8) Chapter 8 is "Precautions" (Chapter 7 of the.1994 edition; Chapter 8 of this edition); 9) Chapter 9, "Test Records" (1994 edition no; Chapter 9 of this edition); --- In Chapter 2, "Normative references" to supplement the relevant standards (1994 edition of Chapter 2; Chapter 2 of this edition); --- Added Chapter 3 "Terms and definitions" (1994 edition no; Chapter 3 of this edition); --- In Chapter 4 "Test Equipment" made the following changes. 1) Perfecting the requirement of "allowable deviation" (5.4 in.1994 edition; 4.1.2 in this edition); 2) Improve the description of "series resonant circuit" (1994 version 3.2; this version 4.2.2); 3) The provisions of "Measurement of test voltage" are added (3.3 of.1994 edition; 4.3.1 and 4.3.2 of this edition); --- In Chapter 5 "Sample Preparation" added XLPE insulated cables and mineral insulated cables sample preparation method (1994 Edition no; version 5.6,5.7); --- In Chapter 6, "Test Procedure" made the following changes. 1) Supplementary step-by-step breakdown test (1994 edition no; version 6.1.2); 2) Removed the provisions of the wiring test for the insulation sheath voltage test (1994 version 5.1.4 and 5.1.5; this edition without); 3) Perfecting requirements for applying test voltage (5.3 of.1994; 6.3.2 of this edition); --- In Chapter 7, "Test Results and Assessment" to supplement the judgment of the breakdown of fake (1994 edition no; version 7.2); --- In Chapter 8, "Notes" to modify the requirements of the safety test area (1994 version 7.2; 8.2 version of this edition); --- Added Chapter 9 "test records", provides for the test record should be recorded in the specific content (1994 edition no; Chapter 9 of this edition); --- Technical amendments to Appendix A (1994 edition of Appendix A; Appendix A of this edition). Appendix A of this section is a normative appendix. This part is proposed by China Electrical Equipment Industry Association. This part of the national wire and cable standardization Technical Committee. This section is drafted. Shanghai Electric Cable Research Institute. The main drafters of this section. Wan Shuter, aftershocks, Xia Kai Rong, Zhu Zhongzhu, gold standard. This part of the standard replaces the previous editions are. GB 766-1965, GB 3048.8-1983, GB/T 3048.8- 1994. Electrical properties of wire and cable test methods Part 8. ac voltage test1 ScopeGB/T 3048 provisions of this section AC voltage test terms and definitions, test equipment, sample preparation, test procedures, test results Fruit and assessment, precautions and test records. This section applies to wire and cable products withstand AC voltage test, but does not apply to the winding wire products. This section should be used together with GB/T 3048.1.2 Normative referencesThe following documents contain provisions that, through the reference in this part of GB/T 3048, become the provisions of this section. For dated references, All subsequent amendments (not including errata content) or revisions do not apply to this section, however, to encourage the agreement reached under this section The parties study whether the latest versions of these documents are available. For undated references, the latest version applies to this section. GB/T 311.6 high voltage measurement standard air gap (GB/T 311.6-2005, IEC 60052..2002, IDT) GB/T 2900.19 Electrotechnical terminology high voltage test techniques and insulation coordination GB/T 3048.1 wire and cable electrical performance test methods - Part 1. General GB/T 16927.2 high voltage test techniques - Part 2. Measurement System (GB/T 16927.2-1997, eqv IEC 60060-2. 1994)3 Terms and definitionsGB/T 2900.19 established and the following terms and definitions apply GB/T 3048 of this section. 3.1 The peak value of the AC voltage refers to the maximum value but does not include any small high-frequency oscillation caused by non-destructive discharge. 3.2 The root mean square value of the AC voltage is the square root of the average of the square of the voltage in a complete cycle. 3.3 The test voltage value is the peak divided by 槡 2. 3.4 Characterize the measurement results scattered around the true value of the estimate. It is composed of several separate uncertainties because of the many influencing factors Composed of. Estimated as. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 3048.8-2007_English be delivered?Answer: Upon your order, we will start to translate GB/T 3048.8-2007_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.Question 2: Can I share the purchased PDF of GB/T 3048.8-2007_English with my colleagues?Answer: Yes. The purchased PDF of GB/T 3048.8-2007_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+ countriesQuestion 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 3048.8-2007?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 3048.8-2007 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. |
