BS EN IEC 62631-3-4:2019
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Dielectric and resistive properties of solid insulating materials – Determination of resistive properties (DC methods). Volume resistance and volume resistivity at elevated temperatures
Published By | Publication Date | Number of Pages |
BSI | 2019 | 20 |
This part of IEC 62631 covers procedures for the determination of insulation resistance and volume resistivity of insulating materials by applying DC-voltage and temperatures up to 800 °C. The typical application materials include high temperature mica plate and alumina ceramics.
PDF Catalog
PDF Pages | PDF Title |
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2 | undefined |
5 | Annex ZA(normative)Normative references to international publicationswith their corresponding European publications |
7 | English CONTENTS |
8 | FOREWORD |
10 | 1 Scope 2 Normative references 3 Terms and definitions |
11 | 4 Significance 5 Method of test 5.1 General 5.2 Power supply and test voltages 5.3 Equipment 5.3.1 Specimens and electrodes |
12 | 5.3.2 Heating chamber 5.3.3 Measuring leads 5.3.4 Temperature control |
13 | 5.3.5 Special precautions during measurements 5.4 Calibration 6 Procedure 6.1 Continuously increasing temperature (method A) 6.2 Increasing the temperature by steps (method B) |
14 | 6.3 Precautions to be taken 6.4 Calculation of volume resistivity 7 Report |
16 | Annex A (informative) Principle of test apparatus Figure A.1 – Circuit diagram of test apparatus |
17 | Figure A.2 – Structure diagram of test apparatus |
18 | Figure A.3 – Pictures of test apparatus |
19 | Bibliography |