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BS EN IEC 60230:2018

BS EN IEC 60230:2018

$102.76

Impulse tests on cables and their accessories

Published By Publication Date Number of Pages
BSI 2018 18
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IEC 60230:2018 defines the procedure for carrying out withstand lightning and switching impulse tests and withstand superimposed impulse test on cables and their accessories. This document applies solely to the methods of carrying out the tests as such, independently of the problem of selecting the test levels to be specified. The voltages pertaining to the system on which cables and accessories are to be used are given in IEC 60183 or in the relevant product standard. This document specifies the following requirements: – the characteristics and state of the test installation and those parts of the procedure which are common to withstand tests and tests above the withstand level; – the procedure for carrying out withstand lightning, switching impulse tests and superimposed impulse test; – the procedure for carrying out tests above the withstand level which is intended for research purposes. This second edition cancels and replaces the first edition published in 1966. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: a) the structure of the standard takes into account the current style of IEC standards; b) this document is no longer a “Recommendation” but an “ International Standard”; c) the test installation is no longer related to gas-pressure and oil-filled cables only; d) switching-impulse voltage and superimposed impulse voltage tests have been included; e) for the measuring system the reference to IEC 60060-2 has been added. The reference to the sphere gap method has been moved to Annex B.

PDF Catalog

PDF Pages PDF Title
2 undefined
6 CONTENTS
7 FOREWORD
9 1 Scope
2 Normative references
3 Terms and definitions
4 Characteristics of the test object to be subjected to the tests
10 5 State of the test object to be subjected to the test
6 Lightning impulse voltage
7 Switching impulse voltage
8 Superimposed impulse voltage test
8.1 General
8.2 Test setup
11 8.3 Time parameters
8.4 Application of the DC voltage
9 Measuring system
10 Application of the impulses
12 Annex A (informative) Tests above the withstand level
A.1 General
A.2 Procedure for tests above the withstand level
A.2.1 General sequence of lightning-impulse tests
A.2.2 Tests beyond withstand level
A.2.3 Re-calibration of the generator
13 Annex B (normative) Calibration of impulse generator
B.1 General
B.2 Calibration of impulse generator
B.3 Application of the impulses at the level specified
14 Annex C (normative) Test circuits for superimposed impulse voltage test
C.1 General
Figure C.1 – Spark gap setup using calibrated composite measuringsystem capable of measuring HVDC and impulse
15 Figure C.2 – Blocking capacitor setup using calibrated composite measuring systemcapable of measuring HVDC and impulse
16 Bibliography

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BS EN IEC 60230:2018
$102.76