RCD, RCCB, RCBO: Nā Hoʻonā Palekana Uila Kiʻekiʻe

RCD, RCCB a me RCBO: E ʻike i nā ʻokoʻa

He mau lako uila koʻikoʻi nā RCD, RCCB a me RCBO i hoʻohana ʻia no ka pale ʻana i ka pilikia o ka haʻalulu uila a me ke ahi. ʻOiai ke kani like nei lākou, lawelawe kēlā me kēia hāmeʻa i kahi kumu like ʻole a he mau hiʻohiʻona kū hoʻokahi ko lākou. Ke hoʻomaopopo nei i nā ʻokoʻa ma waenaRCD, RCCBa meRCBOhe mea nui ia no ka hōʻoia ʻana i ka palekana uila ma nā wahi noho a me nā wahi ʻoihana.

ʻO RCD, pōkole no ka Residual Current Device, he mea palekana i hoʻolālā ʻia e hoʻokaʻawale koke i ka mana ke ʻike ʻia ke au leakage i loko o kahi kaapuni. Hiki ke loaʻa ka leaka uila ma muli o ka uea hewa, ka hāʻule ʻana o nā lako, a i ʻole ka pili pololei me nā ʻāpana ola. He mea nui nā RCD no ka pale ʻana i ka haʻalulu uila a hoʻohana pinepine ʻia i nā hale, nā keʻena a me nā wahi ʻoihana.

ʻO ka RCCB (ʻo ia hoʻi ka Residual Current Circuit Breaker) he ʻano RCD i hoʻolālā kūikawā ʻia e pale aku i nā hewa honua. Nānā ka RCCB i ke kaulike ʻole o ke au ma waena o nā alakaʻi ola a me ke kūlike ʻole a hoʻopau i ke kaapuni ke ʻike ʻia kahi leaka honua. ʻO kēia ka mea e lilo ai nā RCCB i mea kūpono loa i ka pale ʻana i ka haʻalulu uila i hoʻokumu ʻia e nā hewa ʻōnaehana uila.

Hoʻohui ka RCBO (residual current circuit breaker me ka pale overcurrent) i nā hana o ka RCCB a me ka miniature circuit breaker (MCB) i hoʻokahi hāmeʻa. Ma waho aʻe o ka hāʻawi ʻana i ka pale hewa honua, hāʻawi pū ka RCBO i ka pale overcurrent, ʻo ia hoʻi hiki iā ia ke hoʻokaʻawale i kahi kaapuni i ka wā o ka overload a i ʻole ka kaapuni pōkole. ʻO kēia ka mea e hana ai i nā RCBO i mea maʻalahi a kūpono no nā ʻano hana like ʻole, me ka pale ʻana i nā kaapuni pākahi i nā papa hāʻawi.

ʻO kekahi o nā ʻokoʻa nui ma waena o kēia mau mea hana ko lākou noi a me ke kiʻekiʻe o ka pale a lākou e hāʻawi ai. Hoʻohana pinepine ʻia nā RCD e hāʻawi i ka palekana laulā no kahi kaapuni holoʻokoʻa, ʻoiai ʻo RCCB a me RCBO e hoʻohana pinepine ʻia e pale i nā kaapuni kikoʻī a i ʻole nā ​​​​mea hana pākahi. Eia kekahi, loaʻa i nā RCBO ka pōmaikaʻi hou o ka pale overcurrent, e lilo ana iā lākou i hopena piha no nā ʻano hewa uila.

I ka wā e pili ana i ke kau ʻana, ua hoʻolālā ʻia ʻo RCD, RCCB a me RCBO e kau ʻia e kahi mea uila akamai. He mea nui ke kau ʻana kūpono no ka hōʻoia ʻana e hana pono ana kēia mau mea hana a hāʻawi i ka pale e pono ai. He mea nui hoʻi ka hoʻāʻo mau ʻana a me ka mālama ʻana e hōʻoia i ka hoʻomau ʻana o nā RCD, RCCB a me RCBO e hana e like me ka mea i manaʻo ʻia.

I ka hōʻuluʻulu ʻana, he mau ʻāpana koʻikoʻi ʻo RCD, RCCB a me RCBO o nā ʻōnaehana palekana uila, a he kumu kūikawā ko kēlā me kēia ʻāpana no ka pale ʻana i ka haʻalulu uila a me nā pōʻino ahi. He mea nui ka hoʻomaopopo ʻana i nā ʻokoʻa ma waena o kēia mau mea hana no ke koho ʻana i ka pale kūpono no nā noi like ʻole. Inā paha e hoʻohana ana i kahi RCD no ka pale maʻamau, kahi RCCB no ka pale ʻana i ka hewa honua, a i ʻole kahi RCBO e hoʻohui i ka pale ʻana i ka hewa honua me ka pale ʻana i ke kahe nui, he kuleana koʻikoʻi kēia mau mea hana i ka hōʻoia ʻana i ka palekana uila ma nā wahi noho a me nā wahi kalepa.