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Ke ho'ākāka nei i nā manaʻo electromagnetic i nā hana transformer

2025-08-28

  1. ʻPololei o ka ʻŌleloʻ
    Ua hoʻokaʻawale koʻikoʻi ka World Health Organization (WHO) a me ka International Commission on Non-Ionizing Radiation Protection (ICNIRP) ma waena o nā "electromagnetic fields" (ma lalo o 100 kHz) a me ka "electromagnetic radiation" (ma luna o 100 kHz). Hoʻopuka nā hale hoʻoili mana i ka ​Nā kahua electromagnetic alapine mana 50Hz, ʻaʻole ka radiation electromagnetic. Nā ʻokoʻa koʻikoʻi:

  • Ka hoʻolaha uilaKa hoʻolaha ʻana o ka ikehu ma o nā nalu electromagnetic (e laʻa me nā nalu lekiō, nā kukuna X)
  • Nā kahua alapine manaNā kahua paʻa ma o ka hoʻokomo electromagnetic me ka ʻole o ka hoʻolaha ʻana o ka nalu

2.Nā ʻano loeaʻ
Hōʻike nā kahua transformer i nā waiwai kūikawā:

  • Alapine (frequency): 50Hz (lōʻihi nalu 6,000km)
  • Ka palaho o ke kahua: Hoʻemi ʻia ka ikaika o ke kahua makeneka e 1/d² (d=mamao)
  • Pale: Hoʻemi nā pā hao i nā kahua ma >90%
  • ʻIkepili ana:

Ka mamao

Kahua Uila (V/m)

Kahua Makeneka (μT)

1m

20-200

5m

(ʻIkepili mai nā hōʻike nānā ʻana i ka pūnaewele

3.Ka Hoʻohālikelike Palekanaʻ
Hōʻike ka loiloi hoʻohālikelike:

  • Nā kahua hoʻololi: 0.1-1% o nā palena ICNIRP (5kV/m E-kahua, 100μT B-kahua)
  • Nā lako hale: Nā umu microwave (1793V/m), nā mea hoʻomaloʻo lauoho (600V/m)
  • Ka paepae palekana: 10,000μT no nā hopena ʻino koke (WHO)

4. Kuʻikahi Ola Kinoʻ
Ua hōʻoia nā meta-analysis o 30+ mau makahiki o ka ʻikepili:

  • ʻAʻohe pilina kumu ma waena o nā kahua 50Hz a me nā maʻi kanesa/maʻi puʻuwai
  • ʻO nā hōʻailona manawa pōkole (ʻeha poʻo/luhi) e loaʻa wale nō ma mua o 8 hola/lā i ka ʻike ʻana i nā kahua >100μT
  • Palekana hana: ʻAʻole hōʻike nā limahana grid i hōʻike ʻia i kēlā me kēia lā i nā ʻano olakino maʻamau

5.Nā Hoʻolālā Hoʻēmiʻ
Nā hana palekana i ʻōlelo ʻia:

  • E mālama i ka mamao ma mua o 1.5m mai nā mea hoʻololi uila 10kV
  • E hoʻohana i nā pā hao honua no nā hoʻonohonoho waho
  • E hoʻouka i nā pale pale (like ke kēpau >3mm) no nā wahi koʻikoʻi

Ua kūlike kēia wehewehe ʻenehana me nā kūlana honua a me nā ana empirical, e hōʻike ana e noho maikaʻi ana nā kahua electromagnetic transformer i loko o nā palena hana palekana.