Home>IEC TR 62271-208 : 1.0

IEC TR 62271-208 : 1.0

IEC TR 62271-208 : 1.0

HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 208: METHODS TO QUANTIFY THE STEADY STATE, POWER-FREQUENCY ELECTROMAGNETIC FIELDS GENERATED BY HV SWITCHGEAR ASSEMBLIES AND HV/LV PREFABRICATED SUBSTATIONS

International Electrotechnical Committee

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Table of Contents

FOREWORD<br>INTRODUCTION<br>1 Scope<br>2 Normative references<br>3 Terms and definitions<br>4 Evaluation requirements<br>&nbsp;&nbsp;4.1 General<br>&nbsp;&nbsp;4.2 Methods of evaluation<br>&nbsp;&nbsp;4.3 Evaluation of electric fields<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4.3.1 HV switchgear assemblies<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4.3.2 HV/LV prefabricated substations<br>&nbsp;&nbsp;4.4 Evaluation of magnetic fields<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4.4.1 HV switchgear assemblies<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4.4.2 HV/LV prefabricated substations<br>5 Measurements<br>&nbsp;&nbsp;5.1 General<br>&nbsp;&nbsp;5.2 Measuring instruments<br>&nbsp;&nbsp;5.3 Measurement procedures<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;5.3.1 General<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;5.3.2 Electric field<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;5.3.3 Magnetic field<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;5.3.4 Background fields<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;5.3.5 Environmental factors<br>&nbsp;&nbsp;5.4 Measurement set-up<br>&nbsp;&nbsp;&nbsp;&nbsp;5.4.1 General<br>&nbsp;&nbsp;&nbsp;&nbsp;5.4.2 Additional provisions for HV/LV prefabricated<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;substations<br>6 Calculations<br>&nbsp;&nbsp;6.1 General<br>&nbsp;&nbsp;6.2 Software<br>&nbsp;&nbsp;6.3 Calculation procedures<br>&nbsp;&nbsp;6.4 Results<br>&nbsp;&nbsp;6.5 Validation<br>7 Documentation<br>&nbsp;&nbsp;7.1 Characteristics of the HV switchgear assembly or<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;prefabricated substation<br>&nbsp;&nbsp;7.2 Evaluation method<br>&nbsp;&nbsp;7.3 Presentation of the measurement results<br>&nbsp;&nbsp;7.4 Presentation of the calculation results<br>Annex A (informative) - Presentation of E or B field<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;measurement data - Example for a typical <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;HV/LV pre-fabricated substation<br>Annex B (informative) - Examples of analytical solutions <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;to benchmark EMF calculations<br>Bibliography

Abstract

Provides practical guidance for the evaluation and documentation of the external electromagnetic fields which are generated by HV switchgear assemblies and HV/LV prefabricated substations.

General Product Information

Document Type Standard
Status Current
Publisher International Electrotechnical Committee
Committee TC 17

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