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Measurement of Electric and Magnetic Field Strengths under 765 kV UHVAC Single Circuit Transmission Line


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1 UHV Research Laboratory, Central Power Research Institute, Hyderabad – 500098, Telangana, India
     

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Transmission line corridors of developing countries are increasingly dense and expensive with construction of new ultrahigh voltage (UHV) transmission lines. Right of way of transmission line in the corridor, construction cost of transmission lines including towers, is directly influenced by electric and magnetic field strength emission (EMF) of that line. In UHV range, emission of electric and magnetic field strength in the vicinity of lines is of great public concern, as are likely to have hazardous effects to human being when their exposure level exceeds specified limits. Higher the transmission voltage and stronger the electric field. Though the results on effect of EMF on human being is inconclusive, to create awareness to common public and working professional, it is mandatory to measure the emission level of EMF in lateral and longitudinal profile. This paper reports experiences of EMF emission measurement of 765 kV UHVAC quadruple ACSR bundled conductor single circuit transmission line in India. Measurement results of EMF with vegetation is reported.

Keywords

EMF Measurement, Electric Field Strength Measurement, Magnetic Field Strength Measurement and 765 kV Transmission Line .
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  • International Commission on Non-Ionizing Radiation Protection, ICNIRP guidelines for limiting exposure to time-varying electric and magnetic fields (1HZ - 100 kHZ). Health Physics. 2010; 99(6):818–36. https://doi.org/10.1097/HP.0b013e3181f06c86. PMid:21068601

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  • Measurement of Electric and Magnetic Field Strengths under 765 kV UHVAC Single Circuit Transmission Line

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Authors

P. Rajamani
UHV Research Laboratory, Central Power Research Institute, Hyderabad – 500098, Telangana, India
K. A. Aravind
UHV Research Laboratory, Central Power Research Institute, Hyderabad – 500098, Telangana, India
Pradeep M. Nirgude
UHV Research Laboratory, Central Power Research Institute, Hyderabad – 500098, Telangana, India

Abstract


Transmission line corridors of developing countries are increasingly dense and expensive with construction of new ultrahigh voltage (UHV) transmission lines. Right of way of transmission line in the corridor, construction cost of transmission lines including towers, is directly influenced by electric and magnetic field strength emission (EMF) of that line. In UHV range, emission of electric and magnetic field strength in the vicinity of lines is of great public concern, as are likely to have hazardous effects to human being when their exposure level exceeds specified limits. Higher the transmission voltage and stronger the electric field. Though the results on effect of EMF on human being is inconclusive, to create awareness to common public and working professional, it is mandatory to measure the emission level of EMF in lateral and longitudinal profile. This paper reports experiences of EMF emission measurement of 765 kV UHVAC quadruple ACSR bundled conductor single circuit transmission line in India. Measurement results of EMF with vegetation is reported.

Keywords


EMF Measurement, Electric Field Strength Measurement, Magnetic Field Strength Measurement and 765 kV Transmission Line .

References





DOI: https://doi.org/10.33686/prj.v17i1.221892