He aha nā mea a nā palena ma ka MCB e hōʻike nei?

Nā mea haki kaapuni liʻiliʻi (MCB) hoʻohana nui ʻia e pale i nā kaapuni mai nā kaapuni pōkole a me nā ukana nui, a hiki ke hoʻohana ʻia hoʻi i nā ʻōnaehana hoʻolaha mana no nā kukui a i ʻole nā ​​​​mīkini.
Hōʻike ʻia ia e ke ʻano nani a liʻiliʻi hoʻi, ke kaumaha māmā, ka hana maikaʻi loa a hilinaʻi hoʻi, ka hiki ke haki kiʻekiʻe, ka huakaʻi wikiwiki, ka maʻalahi o ke kau ʻana o nā ala alakaʻi a me ke ola lōʻihi.
He nui nā hōʻailona ma ka mea haki kaapuni liʻiliʻi (MCB). He aha ko lākou manaʻo?

1. He aha ke ʻano o “C20”?
ʻO 20 ke au i helu ʻia, no laila he aha ke ʻano o C? Hōʻike ʻo C i nā ʻano tripping koke o ka mea haki kaapuni, i māhele ʻia i nā ʻano B, C a me D;
ʻAno B (3-5) Ua hoʻopaʻa ʻia ʻo In ma 3 a 5 mau manawa o ke au i helu ʻia. He kūpono ia no nā ukana resistive maʻemaʻe a me nā kaapuni kukui haʻahaʻa. He liʻiliʻi ke au hoʻomaka o kēia ʻano ukana a hoʻohana nui ʻia i nā kukui home a i ʻole nā ​​​​wahi me nā koi palekana kiʻekiʻe. manawa.
Hoʻopaʻa ʻia ke ʻano C (5-10) In ma 5 a 10 mau manawa o ke au i helu ʻia. He kūpono ia no nā ukana inductive a me nā kaapuni kukui kiʻekiʻe, e like me nā kukui halogen tungsten. Loaʻa i kona mau ʻano hoʻomaka kahi waiwai au kiʻekiʻe a hoʻohana nui ʻia i ka pale ʻana i ke kaapuni hoʻolaha. a me nā ukana kukui me ke au hoʻomaka kiʻekiʻe.
ʻAno D (10-14) Ua hoʻopaʻa ʻia ʻo In ma 10 a 14 mau manawa o ke au i helu ʻia. He kūpono ia no nā ʻōnaehana hoʻokaʻawale mana me nā ukana inductance kiʻekiʻe a me nā au hopena nui, e like me nā motika, nā kiwikā solenoid a me nā ukana ʻē aʻe. Loaʻa i kēlā mau ukana nā ukana hopena kiʻekiʻe.

ʻO 2.240V/400V 50Hz/60Hz e pili ana i nā kaapuni pili;
3. Pili ʻo IEC60898 i ke kūlana electrotechnical honua IEC60898.
4. He aha ke ʻano o ka 4500A ma lalo? He au uila anei ia?
He au maoli nō ia, ʻo ia hoʻi ke au haki kiʻekiʻe loa. ʻO ia hoʻi, ke hana ʻia kahi kaapuni pōkole ma ka laina, inā ʻoi aku ka nui o ke au ma mua o 3000A, ʻaʻole paha e hemo. He ʻokoʻa kēia palena no nā mea hana like ʻole.

5. He aha ke ʻano o kēia hōʻailona?
Hōʻike kēia hōʻailona he mau hana hoʻololi pālua (pale) ko ka mea haki kaapuni no ka overload a me ke kaapuni pōkole.