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BS EN IEC 60587:2022 – TC

BS EN IEC 60587:2022 – TC

$134.27

Tracked Changes. Electrical insulating materials used under severe ambient conditions. Test methods for evaluating resistance to tracking and erosion

Published By Publication Date Number of Pages
BSI 2022 54
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This standard describes two test methods for the evaluation of electrical insulating materials for use under severe ambient conditions at power frequencies (45 Hz to 65 Hz) by the evaluation of the resistance to tracking and erosion, using a liquid contaminant and inclined plane specimens. The two methods are: – Method 1: test at constant voltage, – Method 2: test at stepwise increased voltage. Method 1 is the most widely used method as there is less need for continual inspection. The test conditions are designed to accelerate the production of the effects, but do not reproduce all the conditions encountered in service.

PDF Catalog

PDF Pages PDF Title
1 30465409
33 A-30366448
34 undefined
36 European foreword
Endorsement notice
37 English
CONTENTS
38 FOREWORD
40 1 Scope
2 Normative references
3 Terms and definitions
41 4 Test specimens
4.1 Dimensions
4.2 Preparation
Figures
Figure 1 – Test specimen with boreholes for mounting of electrodes
42 5 Apparatus
5.1 General
5.2 Electrical apparatus
Table 1 – Specimen preparation sequence
43 5.3 Specimen assembly
5.3.1 General
Figure 2 – Schematic diagram of circuit
Figure 3 – Example of typical circuit for an overcurrent delay relay (ODR)
44 5.3.2 Electrodes
Figure 4 – Schematic diagram of specimen assembly
45 5.3.3 Filter-paper stack
Figure 5 – Top electrode
Figure 6 – Bottom electrode
46 5.3.4 Mounting of the specimen assembly
Figure 7 – Filter-paper
Figure 8 – Schematic diagram of specimen assembly
47 Figure 9 – Schematic diagram of specimen support
48 5.4 Contaminant
5.5 Timing device
5.6 Depth gauge
Figure 10 – Example of specimen support
49 5.7 Ventilation
6 Test procedure
6.1 General
6.2 Criterion A – evaluation of the current (preferred)
6.3 Criterion B – evaluation of the length of the track
6.4 Method 1 – test at constant voltage
50 6.5 Method 2 – test at stepwise increased voltage
Table 2 – Test parameters
51 6.6 Classification of the materials tested according to method 1
6.7 Classification of the materials tested according to method 2
52 7 Test report
53 Bibliography

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BS EN IEC 60587:2022 - TC
$134.27