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TITLE COURSE

Intensive course on low frequency electromagnetic fields measurement

DESCRIPTION

The course aims to give participants technical and regulatory basics that allow them to make low frequency electric and magnetic field measurements and to draw a technical report of it. The practical session includes the measurement of a low frequency electric and magnetic field in a real environment.

HOW THE COURSE IS STRUCTURED

Theoretical session with projection slides. Practical session. Questionnaire for the evaluation of learning.

COURSE DURATION

1 day

PROGRAM

Introduction

  • Static and time varying electric and magnetic fields
  • Maxwell equation
  • Natural sources of static electric and magnetic field
  • Dependence of the field with the distance (reactive, Fresnel, fraunhofer field regions)
  • Electromagnetic wave polarization

Airlines and cable

  • Types of line
  • Definition of line, section and span
  • Components (pylons, ground conductor ,insulators)
  • Corona discharge
  • Two conductors- bundles, three conductors-bundles electrical and magnetic characterization of the power lines
  • polarization of the electric and magnetic fields produced by power line
  • dependence on voltage, current
  • line height
  • geometric configuration of the conductors
  • Configuration of stages
  • Distance from the trusses and the longitudinal axis
  • stations and transformer substations
  • underground cable lines

Regulation

  • The scientific rationale of the legislation
  • Electrical characterization of tissues
  • Mechanisms of interaction of low and high frequency
  • Icnrp 1994 (0-1Hz) and 1998 ( 0-10 GHz ) guide lines
  • Evolution of the legislation on power lines
  • DPCM July 8 ,2003 – Low frequencies (GU n. 200 of 8-28-2003)
  • n° 81 Legislative decree April 9, 2008

Time varying electric and magnetic field measurements

  • Electric and magnetic field measurements (CEI 211-6)
  • Technical report of the measurement

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