Nā waiwai uila o nā kaula photovoltaic

2024-11-19

1. DC kū'ē


Ke kū'ē DC o ka conductive core o ka pauuwea photovoltaicma 20 ℃ ʻaʻole ʻoi aku ma mua o 5.09Ω/km.


2. ʻO ka hoʻāʻo ʻana i ka volta kaiapuni wai


Hoʻokomo ʻia ke kaula i hoʻopau ʻia (20m) i loko (20±5) ℃ wai no 1h a laila hoʻokō ʻia i kahi hoʻāʻo 5min voltage (AC 6.5kV a i ʻole DC 15kV) me ka ʻole o ka haki.


3. ʻO ke kūpaʻa uila DC lōʻihi


ʻO 5m ka lōʻihi o ka laʻana a waiho ʻia i loko o ka wai distilled i loaʻa ka 3% sodium chloride (NaCl) ma (85±2) ℃ no (240±2) h, me nā welau ʻelua e ʻike ʻia i ka ʻili wai no 30cm. Hoʻohana ʻia kahi volt DC o 0.9kV ma waena o ke kumu a me ka wai (pili ke kumu conductive i ka pou kūpono a pili ka wai i ka pou ʻino). Ma hope o ka lawe ʻana i ka laʻana, ua hoʻokō ʻia kahi hoʻāʻo ʻana i ka volta kaiapuni wai, ʻo ka volta hoʻāʻo ʻo AC 1kV, a ʻaʻohe pono e haki.


4. Kūleʻa hoʻokaʻawale


ʻAʻole e emi iho ka pale ʻana o ke kaula photovoltaic i hoʻopau ʻia ma 20 ° C ma mua o 1014Ω·cm,


ʻAʻole e emi mai ka 1011Ω·cm ka pale ʻana o ke kaula i hoʻopau ʻia ma 90 ° C.


5. Ka pale ʻana o ka ʻili


ʻAʻole e emi iho ke kūʻē ʻana o ka ʻili o ka pahu kaula i hoʻopau ʻia ma mua o 109Ω.

Photovoltaic Cable


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