BSI PD CISPR/TR 18-3:2010
$189.07
Radio interference characteristics of overhead power lines and high-voltage equipment – Code of practice for minimizing the generation of radio noise
| Published By | Publication Date | Number of Pages |
| BSI | 2010 | 50 |
This part of CISPR 18, which is a technical report, applies to radio noise from overhead power lines and high-voltage equipment which may cause interference to radio reception, excluding the fields from power line carrier signals.
The frequency range covered is 0,15 MHz to 300 MHz.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 4 | CONTENTS |
| 6 | FOREWORD |
| 8 | INTRODUCTION |
| 10 | 1 Scope 2 Normative references 3 Terms and definitions 4 Practical design of overhead power lines and associated equipment in order to control interference to radio broadcast sound and television reception 4.1 Overview |
| 11 | 4.2 Corona on conductors 4.3 Corona on metal hardware 4.4 Surface discharges on insulators |
| 12 | 4.5 Spark and microsparks due to bad contacts, commutation effects 4.6 Defects on power lines and associated equipment in service |
| 13 | 5 Methods of prediction of the reference level of an overhead line 5.1 General 5.2 Correlation of data given elsewhere in this publication |
| 14 | 5.3 CIGRÉ formula |
| 15 | 5.4 Determination of 80 % level 5.5 Conclusions |
| 16 | 6 Preventive and remedial measures to minimize radio noise generated by bad contacts and their detection and location 6.1 General 6.2 Preventive and remedial measures |
| 17 | 6.3 Methods of detecting and locating bad contacts |
| 19 | 7 Formulae for predetermination of the radio noise field strength produced by large conductor bundles (more than four sub-conductors) and by tubular conductors 7.1 Basic principles |
| 20 | 7.2 Calculation of corona radio noise field strengths due to large bundles |
| 22 | 7.3 Evaluation of corona radio noise field strength due to large tubular conductors |
| 24 | 8 Figures Figures Figure 1 – Bundle conductors |
| 25 | Figure 2 – Line with conductors in a flat configuration |
| 26 | Figure 3 – Line with conductors in a delta configuration |
| 27 | Figure 4 – Line with conductors in a triangular configuration |
| 28 | Figure 5 – Line with conductors in a flat configuration |
| 29 | Figure 6 – Line with conductors in a delta configuration |
| 30 | Figure 7 – Line with conductors in a triangular configuration |
| 31 | Figure 8 – Tubular conductors of 40 cm diameter |
| 32 | Annex A (informative) Formulae for predicting the radio noise field strength from the conductors of an overhead line |
| 34 | Table A.1 – Empirical methods, terms of the predetermination formulae developed by several institutions, survey |
| 36 | Table A.2 – Empirical methods, complete predetermination formulae developed by several institutions, survey |
| 38 | Table A.3 – Predetermination formulae, examples for calculation of the absolute field strength levels |
| 40 | Annex B (informative) Analytical procedure for the predetermination of the radio noise field strength, at a given distance from an overhead line with large bundle conductors |
| 45 | Figure B.1 – Designation of the geometrical quantities for the simplified analytical method |
| 46 | Figure B.2 – Lateral profiles of the radio noise field strengths produced by the individual phases and of the total field, as calculated in the given example |
| 47 | Bibliography |
