GB/T 11026.1-2016 PDF English
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Electrical insulating materials -- Thermal endurance properties -- Part 1: Ageing procedures and evaluation of test results
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| GB/T 11026.1-2003 | English | RFQ |
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Electrical insulating materials -- Properties of thermal endurance -- Part 1: Ageing procedures and evaluation of test results
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| GB/T 11026.1-1989 | English | 799 |
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Guide for the determination of thermal endurance properties of electrical insulating materials--Part 1: General guidelines for ageing procedures and evaluation of test results
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GB/T 11026.1-2016: Electrical insulating materials -- Thermal endurance properties -- Part 1: Ageing procedures and evaluation of test results
---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT11026.1-2016
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 29.035.01
K 15
GB/T 11026.1-2016 / IEC 60216-1.2013
Replacing GB/T 11026.1-2003
Electrical insulating materials - Thermal endurance
properties - Part 1.Ageing procedures and evaluation of test
results
(IEC 60216-1.2013, IDT)
Issued on: DECEMBER 13, 2016
Implemented on: JULY 01, 2017
Issued by. General Administration of Quality Supervision, Inspection and
Quarantine;
Standardization Administration of the People’s Republic of China.
Table of Contents
Foreword... 3
1 Scope... 6
2 Normative references... 6
3 Terms, definitions, symbols and abbreviations... 7
4 Synopsis of procedures - Full procedures... 11
5 Detailed experimental procedures... 12
6 Evaluation... 19
Annex A (informative) Dispersion and non-linearity... 30
Annex B (informative) Exposure temperatures and times... 32
Annex C (informative) Concepts in earlier editions... 35
Bibliography... 37
Foreword
GB/T 11026 Electrical insulating materials - Thermal endurance properties consists of
the following parts.
-- Part 1.Ageing procedures and evaluation of test results;
-- Part 2.Choice of test criteria;
-- Part 3.Instructions for calculating thermal endurance characteristics;
-- Part 4.Ageing ovens - Single-chamber ovens;
-- Part 5.Ageing ovens - Precision ovens for use up to 300 ℃;
-- Part 6.Ageing ovens - Multi-chamber ovens;
-- Part 7.Determination of relative thermal endurance index (RTE) of insulating
material;
-- Part 8.Determination of thermal endurance indices (TI and RTE) of an
insulating material using the fixed time frame method;
-- Part 9.Instructions for calculating thermal endurance characteristics using
simplified procedures.
This Part is Part 1 of GB/T 11026.
This Part was drafted in accordance with the rules given in GB/T 1.1-2009.
This Part replaces GB/T 11026.1-2003 Electrical insulating materials - Properties of
thermal endurance - Part 1.Ageing procedures and evaluation of test results. As
compared with GB/T 11026.1-2003, the main technical changes are as follows.
-- DELETE all references in the Normative references, and ADD six references
including GB/T 21223.1-2015, IEC 60212, IEC 60216-2, IEC 60216-3.2006,
IEC 60216-4 (all parts) and IEC 60216-8 (see Clause 2; Clause 2 of the 2003
edition);
-- ADD the term “end point” (see 3.1.20);
-- DELETE “the ‘Articles’ column and the ‘TEP’ symbol in Sub-clause 3.2” (see
3.2 of the 2003 edition);
-- DELETE “4.2 Simplified numerical and graphical evaluation procedures”
(see 4.2 of the 2003 edition);
-- DELETE “7 Simplified procedures” (see Clause 7 of the 2003 edition);
-- ADD “Bibliography”.
This Part is identical to IEC 60216-1.2013 Electrical insulating materials - Thermal
endurance properties - Part 1.Ageing procedures and evaluation of test results (sixth
edition) by using the translation method.
The documents of our country that have a consistent correspondence with the
international documents that are referenced in this Part are as follows.
-- GB/T 10580-2015 Standard conditions for use prior to and during the testing
of solid electrical insulating materials (IEC 60212.2010, IDT);
-- GB/T 11026.2-2012 Electrical insulating materials - Thermal endurance
properties - Part 2.Choice of test criteria (IEC 60216-2.2005, IDT);
-- GB/T 11026.3-2006 Electrical insulating materials - Thermal endurance
properties - Part 3.Instructions for calculating thermal endurance
characteristics (IEC 60216-3.2002, IDT);
-- GB/T 11026.4-2012 Electrical insulating materials - Thermal endurance
properties - Part 4.Ageing ovens - Single-chamber ovens (IEC 60216-4-
1.2006, IDT);
-- GB/T 11026.5-2010 Electrical insulating materials - Thermal endurance
properties - Part 5.Ageing ovens - Precision ovens for use up to 300 ℃ (IEC
60216-4-2.2000, IDT);
-- GB/T 11026.6-2010 Electrical insulating materials - Thermal endurance
properties - Part 6.Ageing ovens - Multi-chamber ovens (IEC 60216-4-
3.2000, IDT);
-- GB/T 11026.9-2016 Electrical insulating materials - Thermal endurance
properties - Part 9.Instructions for calculating thermal endurance
characteristics using simplified procedures (IEC 60216-8.2013, IDT).
This Part was proposed by China Electrical Equipment Industry Association.
This Part shall be under the jurisdiction of National Technical Committee 301 on
Evaluation and Qualification of Electrical Insulating Material and Systems of
Standardization Administration of China (SAC/TC 301).
Drafting organizations of this Part. Guilin Electrical Equipment Scientific Research
Institute Co., Ltd., Machinery Industry Beijing Institute of Electrical Technology and
Economics, Shanghai Electric Cable Research Institute, DuPont (China) Research and
Development Management Co., Ltd., Jiaxing New World Electromechanical Co., Ltd.,
3M China Limited.
Electrical insulating materials - Thermal endurance
properties - Part 1.Ageing procedures and evaluation of test
results
1 Scope
This Part of GB/T 11026 specifies the general ageing conditions and procedures to be
used for deriving thermal endurance characteristics and gives guidance in using the
detailed instructions and guidelines in the other parts of GB/T 11026.
Note 1.Although originally developed for use with electrical insulating materials and
simple combinations of such materials, the procedures are considered to be
of more general applicability and are widely used in the assessment of
materials not intended for use as electrical insulation.
Note 2.In the application of this Part, it is assumed that a practically linear
relationship exists between the logarithm of the time required to cause the
predetermined property change and the reciprocal of the corresponding
absolute temperature (Arrhenius relationship).
Note 3.For the valid application of the Part, no transition, in particular no first-order
transition shall occur in the temperature range under study.
Note 4.Throughout the rest of GB/T 11026 the term "insulating materials" is always
taken to mean "insulating materials and simple combinations of such
materials".
2 Normative references
The following documents, in whole or in part, are normatively referenced in this
document and are indispensable for its application. For dated references, only the
edition cited applies. For undated references, the latest edition of the referenced
document (including any amendments) applies.
GB/T 21223.1-2015 Guide for the statistical analysis of ageing test data - Part
1.Methods based on mean values of normally distributed test results (IEC
60493-1.2011, IDT)
IEC 60212, Standard conditions for use prior to and during the testing of solid
electrical insulating materials
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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