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GB/T 20111.6-2022Electrical insulation systems - Procedures for thermal evaluation - Part 6: Multifactor evaluation with increased factors during diagnostic testing (English PDF)

电气绝缘系统热评定规程第6部分：在诊断试验中增加因子的多因子评定

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Issued by

State Administration for Market Regulation, China National Standardization Administration

Level / Type

National · Recommended

Issue date

July 11, 2022

Implementation date

February 1, 2023

Scope

GB/T 20111.6-2022 is the English-translated version of 电气绝缘系统热评定规程第6部分：在诊断试验中增加因子的多因子评定.

GB/T 20111.6-2022 is the Chinese standard "Electrical insulation systems - Procedures for thermal evaluation - Part 6: Multifactor evaluation with increased factors during diagnostic testing".

Its scope clause reads: This document specifies a multi-factor evaluation procedure for adding factors to diagnostic tests for thermal evaluation of electrical insulation systems (EIS). increase factor Examples (of factors other than heat) are as follows. --- Strong vibration; --- immersed in oil, water or solution; --- The test voltage is higher than the test voltage of the reference EIS; --- Strong cold shock.

Note. Increasing the factor refers to introducing a new impact factor or enhancing the factor on the basis of the existing impact factor. Its clauses include terms and definitions.

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Document preview — GB/T 20111.6-2022

National Standard of the People's Republic of China

Classification: K 15

Issued by: State Administration for Market Regulation, China National Standardization Administration

Preface
Introduction
1 Scope
2 Normative references
3 Terms and Definitions
4 Test process
5 Sample
6 Evaluation of electrical insulation system
7 Part 1.Baseline Structure
7.1 Overview
7.2 Structural Description --- Thermal Evaluation
7.3 EIS Thermal Evaluation Example 3 to be evaluated
8 Part 2.Addition Factor Rating
8.1 Overview
8.2 Selection of single temperature point contrast aging temperature
8.3 Diagnostic Tests for Increased or Enhanced Factors
9 Data Analysis
9.1 Overview
9.2 Increase factor evaluation
9.3 Comparison of Test Results for Baseline EIS and Increase Factors
10 Report
Appendix A (Informative) Test Report Example
Appendix B (Informative) Example of Baseline EIS Thermal Aging Data - Establishing Correlation Time
Appendix C (informative) Example of test data for EIS heat resistance grades to be evaluated at baseline

1 Scope

This document specifies a multi-factor evaluation procedure for adding factors to diagnostic tests for thermal evaluation of electrical insulation systems (EIS). increase factor

Examples (of factors other than heat) are as follows.

--- Strong vibration;

--- immersed in oil, water or solution;

--- The test voltage is higher than the test voltage of the reference EIS;

--- Strong cold shock.

Note. Increasing the factor refers to introducing a new impact factor or enhancing the factor on the basis of the existing impact factor.

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.

Note. GB/T 20111.1-2015 Regulations for Thermal Assessment of Electrical Insulation Systems Part 1.General Requirements for Low Voltage (IEC 61857-1.2008, IDT)

IEC /T R61857-2 Code of Conduct for Thermal Evaluation of Electrical Insulation Systems Part 2.Test Methods for Evaluation and Classification of Electrical Insulation Systems

Note. GB/T 20111.4-2017 Regulations for Thermal Evaluation of Electrical Insulation Systems Part 4.Guide to Selection of Test Methods for Evaluation and Classification of Electrical Insulation Systems then (IEC /T R61857-2.2015, MOD)

IEC 61858-2 Electrical Insulation Systems Thermal Assessment of Graded Electrical Insulation Systems (EIS) Component Adjustment Part 2.

Note. GB/T 20139.2-2017 Electrical Insulation System - Electrical Insulation System (EIS) Thermal Evaluation of Component Adjustment for Graded Electrical Insulation Systems - Part 2.Forming

Winding EIS (IEC 61858-2.2014, IDT)

3 Terms and Definitions

Terms and definitions defined in IEC 61857-1 and the following apply to this document.

ISO and IEC maintain terminology databases for standardization at the following addresses.

3.1 Baseline Pending EIS baselinecandidateEIS

The EIS of the thermal evaluation test under the same conditions as the benchmark EIS. […]

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 27 pages — is available in the English PDF.

Referenced standards

Normative references

IEC 61857 · IEC 61858

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