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Analysis of the electricity metering system for own electric substation needs

Stets Sergiy, Stets Andriy

Informatyka, Automatyka, Pomiary w Gospodarce i Ochronie Środowiska

2020

T. 10, nr 2

48--51

In the article the researches of the use of electronic meters with standard nominal parameters for metering of substation own electric energy in the schemes of high and low voltage networks simultaneously with the use of the corresponding calculated coefficients on voltage for the purpose of operational control and determination of the reliability of measurement of electricity parameters.

W artykule przedstawiono badania wykorzystania liczników elektronicznych o standardowych parametrach nominalnych do pomiaru energii elektrycznej własnej stacji elektroenergetycznej w obwodach wysokiego i niskiego napięcia przy jednoczesnym zastosowaniu odpowiednich obliczonych współczynników napięciowych dla potrzeb sterowania pracą i określania wiarygodności pomiaru parametrów elektrycznych.

Occupational exposure to electric and magnetic fields during tasks at ground or floor level at 110 kV substations in Finland

Korpinen L., Paakkonen R.

International Journal of Occupational Safety and Ergonomics

2016

Vol. 22, No. 3

384--388

The aim was to investigate occupational exposure to electric and magnetic fields during tasks at ground or floor level at 110 kV substations in Finland and to compare the measured values to Directive 2013/35/EU. Altogether, 347 electric field measurements and 100 magnetic field measurements were performed. The average value of all electric fields was 2.3 kV/m (maximum 6.4 kV/m) and that of magnetic fields was 5.8 µT (maximum 51.0 µT). It can be concluded that the electric and magnetic field exposure at ground or floor level is typically below the low action levels of Directive 2013/35/EU. The transposition of the directive will not create new needs to modify the work practice of the evaluated tasks, which can continue to be performed as before. However, for workers with medical implants, the exposure may be high enough to cause interference.