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ELF

Extremely Low Frequency and Electric Grids | Frequencies (*): <0Hz – 300hZ
English

Sources and Uses

  • Electric grids – residential, public, industrial and commercial buildings
    • National grid
    • Urban grid and distribution of electricity at street level
    • Internal grid in buildings – electricity supply to consumers
    • Domestic grid
  • Domestic equipment and electrical appliances
    • Refrigerator, kitchen oven, electric stove, Mixer, toaster, electric kettle, Washing machine, dryer, Boiler for heating water, Air-conditioner, electric heater, Shavers, electric chargers, Iron, TV, sound system, radio

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  • Manufacturing machines, production lines
  • Electrical equipment in industrial facilities
  • Inter-urban electric railways
  • light rail, tram, metro/subway (**)
  • Electric vehicle, hybrid vehicle
  • High, subterranean and underwater power lines
  • Relay stations, central and large transformers, street transformers

(*) According to the International Telecommunications Union (ITU) classification

(**) In several frequency ranges
Street transformer
Street transformer
Electricity relay station
Electricity relay station
High power lines – urban electricity supply
High power lines – urban electricity supply
Vehicle production line
Vehicle production line
Electric car connected to charger
Electric car connected to charger
Tram
Tram