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BSI PD IEC/TR 61857-2:2015

BSI PD IEC/TR 61857-2:2015

$86.31

Electrical insulation systems. Procedures for thermal evaluation – Selection of the appropriate test method for evaluation and classification of electrical insulation systems

Published By Publication Date Number of Pages
BSI 2015 14
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This part of IEC 61857 gives guidelines to identify the appropriate test method to be used for the evaluation of a proposed Electrical Insulation System (EIS). Some of the standards are for evaluation and classification of the EIS, while other standards identify the appropriate method to evaluate single or multi-factor stresses of a proposed or of an established EIS.

This Technical Report is applicable to existing or proposed EIS used in electrotechnical products across a wide range of operating voltages of IEC Standards. The report takes care to select the appropriate standard based on construction and intended operating conditions.

PDF Catalog

PDF Pages PDF Title
4 CONTENTS
5 FOREWORD
7 1 Scope
2 Normative references
8 3 Terms and definitions
4 General information
4.1 Purpose of the evaluation
9 4.2 Test objects
4.3 Test stresses
5 Design and development of the scope of work for the EIS evaluation
6 Test methods for the evaluation and classification of EIS
11 Tables
Table 1 – Evaluation for thermal stresses in air
12 Table 2 – Standards for the modification of an established EIS
Table 3 – Standards for special environmental applications
Table 4 – For evaluation prior to the start of long-term thermal ageing

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BSI PD IEC/TR 61857-2:2015
$86.31