{"id":450560,"date":"2024-10-20T09:11:54","date_gmt":"2024-10-20T09:11:54","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-en-iec-604372024\/"},"modified":"2024-10-26T17:09:25","modified_gmt":"2024-10-26T17:09:25","slug":"bs-en-iec-604372024","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-en-iec-604372024\/","title":{"rendered":"BS EN IEC 60437:2024"},"content":{"rendered":"
IEC 60437:2023 specifies the procedure for a radio interference (RI) test carried out in a laboratory on clean and dry insulators at a frequency of 0,5 MHz or 1 MHz or, alternatively, at other frequencies between 0,5 MHz and 2 MHz. This document applies to insulators for use on AC or DC overhead power lines and overhead traction lines with a nominal voltage greater than 1 000 V. This third edition cancels and replaces the second edition published in 1997. This third edition cancels and replaces the second edition published in 1997. This edition includes the following significant technical changes with respect to the previous edition: a) Composite station post and composite hollow core station post insulators have been included; b) All paragraphs of Samples test were actualized; c) Sample test fast procedure was introduced.<\/p>\n
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2<\/td>\n | undefined <\/td>\n<\/tr>\n | ||||||
5<\/td>\n | Annex ZA (normative)Normative references to international publicationswith their corresponding European publications <\/td>\n<\/tr>\n | ||||||
8<\/td>\n | English CONTENTS <\/td>\n<\/tr>\n | ||||||
9<\/td>\n | FOREWORD <\/td>\n<\/tr>\n | ||||||
11<\/td>\n | INTRODUCTION <\/td>\n<\/tr>\n | ||||||
12<\/td>\n | 1 Scope 2 Normative references <\/td>\n<\/tr>\n | ||||||
13<\/td>\n | 3 Terms and definitions 4 Measurement frequency 5 Radio noise limits and test voltage 6 Measuring instruments 6.1 Standard CISPR measuring apparatus <\/td>\n<\/tr>\n | ||||||
14<\/td>\n | 6.2 Other measuring apparatus 7 Measuring circuit 8 Requirements for test voltage 9 Atmospheric conditions <\/td>\n<\/tr>\n | ||||||
15<\/td>\n | 10 Test area 11 Arrangements of insulators for test 11.1 Mounting of insulators <\/td>\n<\/tr>\n | ||||||
16<\/td>\n | 11.2 Conditions of insulators before test 11.3 Checking and calibration of test circuit 12 Type test 12.1 Number of insulators <\/td>\n<\/tr>\n | ||||||
17<\/td>\n | 12.2 Voltage application and RI characteristics 12.3 Acceptance criterion 13 Sample tests 13.1 General 13.2 Insulators subjected to sample tests <\/td>\n<\/tr>\n | ||||||
18<\/td>\n | 13.3 Number of samples 13.4 Test procedure 13.5 Acceptance criterion 13.6 Re-test procedure <\/td>\n<\/tr>\n | ||||||
19<\/td>\n | 14 Test report Figure 1 \u2013 Schematic representation of the type test procedure:(a) measurement cycle \/ (b) example of characteristic curve <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" Radio interference test on high-voltage insulators<\/b><\/p>\n |