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Ho Hlakisa Mehopolo ea Elektromagnetic Ts'ebetsong ea Transformer

2025-08-28

  1. .Ho nepahala ha Mareo.
    Mokhatlo oa Lefatše oa Bophelo (WHO) le Khomishene ea Machaba ea Tšireletso ea Mahlaseli a sa Ionising (ICNIRP) li khetholla ka tieo pakeng tsa "masimo a electromagnetic" (ka tlase ho 100 kHz) le "mahlaseli a electromagnetic" (ka holimo ho 100 kHz). Libaka tsa phetisetso ea motlakase li hlahisa ​Masimo a motlakase a maqhubu a motlakase a 50Hz, eseng mahlaseli a motlakase. Lipharologanyo tsa bohlokoa:

  • Mahlaseli a motlakase: Ho ata ha matla ka maqhubu a motlakase (mohlala, maqhubu a seea-le-moea, mahlaseli a X)
  • Masimo a maqhubu a motlakase: Masimo a sa fetoheng ka ho kenngoa ha motlakase ka motlakase ntle le ho ata ha maqhubu

2.​Litšobotsi tsa Tekheniki.
Masimo a transformer a bontša thepa e ikhethang:

  • Maqhubu: 50Hz (bolelele ba maqhubu 6,000km)
  • Ho bola ha tšimo: Matla a matla a makenete a fokotseha ka 1/d² (d=sebaka)
  • Tšireletso: Matlo a tšepe a fokotsa masimo ka >90%
  • Lintlha tsa tekanyo:

Sebaka

Tšimo ea Motlakase (V/m)

Tšimo ea Magnetic (μT)

1m

20-200

5m

(Data e tsoang litlalehong tsa tlhokomelo ea gridi

3.​Tekanyetso ea Polokeho.
Tlhahlobo ea papiso e senola:

  • Masimo a transformer: 0.1-1% ea meeli ea ICNIRP (5kV/m E-field, 100μT B-field)
  • Lisebelisoa tsa lapeng: Lionto tsa microwave (1793V/m), li-hair dryer (600V/m)
  • Moeli oa polokeho: 10,000μT bakeng sa litla-morao tse mpe hang-hang (WHO)

4. Tumellano ea Bophelo bo Botle.
Litlhahlobo tsa meta tsa data ea lilemo tse fetang 30 li tiisa:

  • Ha ho kamano ea sesosa pakeng tsa masimo a 50Hz le mofetše/mafu a pelo
  • Matšoao a nakoana (hlooho/mokhathala) a hlaha feela ho feta lihora tse 8 ka letsatsi ho pepesehela masimo a >100μT
  • Polokeho mosebetsing: Basebetsi ba gridi ba pepesehang letsatsi le letsatsi ha ba bontše mekhoa e sa tloaelehang ea bophelo bo botle

5.​Maano a ho Fokotsa Tlokotsi.
Mehato ea ho itšireletsa e khothaletsoang:

  • Boloka sebaka se ka holimo ho 1.5m ho tloha ho li-transformer tsa 10kV
  • Sebelisa lithako tsa tšepe tse sitsitsoeng fatše bakeng sa ho kenya kantle
  • Kenya lithibelo tsa tšireletso (tse lekanang le loto ea >3mm) bakeng sa libaka tse bonolo ho li sebelisa.

Tlhaloso ena ea tekheniki e tsamaellana le maemo a machaba le litekanyo tsa boiphihlelo, e bonts'a hore masimo a motlakase a transformer a lula a le ka har'a liparamente tse sireletsehileng tsa ts'ebetso.