ʻO ka nānā ʻana i nā ʻano RCD

ʻO Residual Current Devices (RCDs) he mau mea palekana koʻikoʻi i hoʻolālā ʻia e pale aku i ka haʻalulu uila a me nā pōʻino ahi i nā hoʻonohonoho uila. Nānā lākou i ke koena o ke au uila e komo a haʻalele i kahi kaapuni, a inā ʻike lākou i kahi ʻokoʻa, wehe koke lākou i ka lako mana e pale ai i ka pōʻino. ʻElua mau ʻano nui o nā RCD: Type A a me Type B, kēlā me kēia me kāna mau hiʻohiʻona ponoʻī a me nā noi.

ʻAno A RCD
ʻO ka ʻano A RCD ka ʻano maʻamau a ua hoʻolālā ʻia e hoʻolako i ka pale mai ka AC sinusoidal, DC pulsating, a me ke koena DC maʻemaʻe. Ua kūpono lākou no ka hoʻohana ʻana i ka hapa nui o nā hale noho a me nā ʻoihana ʻoihana kahi i maʻalahi nā ʻōnaehana uila, a haʻahaʻa ka pilikia o ka hālāwai ʻana me nā ʻauwai non-sinusoidal a i ʻole nā ​​​​pahu.
ʻO kekahi o nā hiʻohiʻona koʻikoʻi o Type A RCDs ko lākou hiki ke ʻike a pane aku i ka pulsating DC koena au, i hana pinepine ʻia e nā lako uila e like me nā kamepiula, TV, a me nā kukui LED. ʻO kēia ka mea kūpono iā lākou no ka hoʻohana ʻana i nā hoʻonohonoho uila hou kahi e laha nei ia mau mea hana.

ʻAno B RCD
Hāʻawi nā ʻano B RCD i kahi pae kiʻekiʻe o ka pale i hoʻohālikelike ʻia me nā hāmeʻa Type A. Ma waho aʻe o ka hāʻawi ʻana i ka pale ʻana i ka AC sinusoidal, pulsating DC, a me ka maʻemaʻe DC koena au e like me Type A RCDs, hāʻawi pū lākou i ka pale ʻana i ke koena DC maʻemaʻe. He mea kūpono ia no ka hoʻohana ʻana i nā wahi i ʻoi aku ka kiʻekiʻe o ka pilikia o ka loaʻa ʻana o nā au DC maʻemaʻe, e like me nā hoʻonohonoho ʻoihana, nā hoʻonohonoho photovoltaic (mana solar), a me nā keʻena hoʻoili kaʻa uila.
He mea koʻikoʻi ka hiki o Type B RCDs ke ʻike a pane aku i ke koena DC maʻemaʻe i ka hōʻoia ʻana i ka palekana o nā mea uila e hoʻohana ana i nā kumu mana DC. Me ka ʻole o kēia pale, aia ka pilikia o ka haʻalulu uila a i ʻole ke ahi, ʻoi aku ka nui o nā ʻōnaehana i hilinaʻi nui i ka mana DC, e like me nā panela solar a me nā ʻōnaehana mālama pākaukau.

Ke koho ʻana i ka RCD kūpono
Ke koho ʻana i kahi RCD no kahi noi kūikawā, pono e noʻonoʻo i nā koi kikoʻī a me nā pilikia e pili ana i ka hoʻonohonoho. He kūpono nā ʻano RCD no ka hapa nui o nā hale noho a me nā ʻoihana ʻoihana kahi e haʻahaʻa ai ka pilikia o ka loaʻa ʻana o nā ʻauwaʻa non-sinusoidal a i ʻole nā ​​​​pahu. Eia nō naʻe, ma nā wahi i ʻoi aku ka nui o ka pilikia o ka loaʻa ʻana o nā kahawai DC maʻemaʻe, e like me ka hoʻokomo ʻana i nā mana ʻenehana a i ʻole ka lā, ʻōlelo ʻia ʻo Type B RCDs e hāʻawi i ka pae kiʻekiʻe o ka pale.

ʻO nā ʻano A a me Type B RCD ʻelua mau mea palekana koʻikoʻi i hoʻolālā ʻia e pale aku i ka haʻalulu uila a me nā pōʻino ahi i nā mea hoʻonohonoho uila. ʻOiai ua kūpono nā Type A RCDs no ka nui o nā noi noho a me nā ʻoihana kalepa, hāʻawi ʻo Type B RCDs i kahi kiʻekiʻe o ka pale a ʻōlelo ʻia no nā kaiapuni kahi i ʻoi aku ka kiʻekiʻe o ka loaʻa ʻana o nā au DC maʻemaʻe.
Inā makemake ʻoe e ʻike hou aku e pili ana i kēia, e ʻoluʻolu e kelepona mai iā mākou.
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