O te hangarau, Hikohiko
Uara parenga iahiko me ratou ti'araa
Parenga iahiko - te ara iahiko ahanoa, e te kaimahi ki te whakaiti i nāianei ki roto. Ano, kei te whakamahia parenga ki te whakaiti i te ahotea i roto i te tahi mau wāhi me te wehenga ki tona nāianei wae. I roto i te ara iahiko e denoted parenga e tapawhā iti ki te rua o titi (tetahi i runga i ona taha e rua). E faahoho'ahia e te raina whati parenga Abroad.
Parenga e toru tawhā matua:
- ātete Paerewa (uara parenga iahiko).
- Aroha.
- toreretanga Power.
uara parenga iahiko - te uara o to ratou ātete iti, e ko, te uara tohua e te kaiwhakanao. Rereingoa whanganga ātete te i roto i ohms. E whakamahia parenga i roto i tata ahumahi katoa, he iti whakaaro hiko. arata'i tenei ki te whānuitanga nui o ngā uara resistance. Heoi, i reira he uara parenga, e he ao.
Fabricate Ko te tino uaua parenga iahiko ki te tetahi uara iti pū, na te whakamahi i tenei uara rite te kātakí. Hei tauira, ki te te ātete iti tohua rite ki te 10 ohms, i roto i te meka e te mea e pā ana ki 10.1 9,98- ohms. huaina ana tēnei ko te tukunga hapa taea me whanganga rite te ōrau.
tohanga Power - tetahi o nga āhuatanga tino nui whakatau parenga iahiko. Te whakamārama te tikanga uara i homai. He iahiko i roto i nei te hiko te tonu o nāianei wera. Tei whakawera i runga i te kaha o nāianei. kua he tetahi tepe pāmahana tua atu i overheats reira me te kaitahu i ia iahiko. Toreretanga - he uara o te mana o te hiko o nāianei, ka tahu ai i te parenga. Ka rite ki nga uara o parenga, te mana toreretanga - ko te tamau mo ia o ratou. Kei te tohua te reira e te kaiwhakanao. I ara iahiko he toreretanga ki te mana o te parenga me hoki kia tohua. whakamahia hoki tona ti'araa i tahuri, whakapae, me te poutū rārangi. Mai i te whakapakoko i runga i te parenga raina icon he ngaahi kautaha motuhake e hūanga uara mana rerekē. uara angamaheni i roto i kaupapa iti ngā waenganui i 1/8 Watt me rima Watts. Ka taea te tātai toreretanga Power mo tetahi iahiko i te ture a Ohm mō subcircuit. Ki te tautuhi i te reira, e hiahia ana koe ki te mohio i te nāianei i roto i te ara iahiko, me te uara ränei o te parenga.
whakawākanga katoa he resistance paerewa. Ko, i reira e te tahi mau uara iahiko paerewa. Enei uara, i tahuri, kua whakarōpū hoki i roto i nga rarangi o uara mata o pūparenga. Hoki taua raupapa DC te āheinga 6: E6, E12, E24, E48, E96, E192.
Hoki te taurangi o nāianei e whakamahia wā anake kī E6 me E3. Ko te tau i roto i te ingoa o nga rarangi tohu i te maha o whakatauranga taea i roto i tenei raupapa. Hei tauira, he maha o faaroo E6 tā anake taea e whai ake nei resistance: 1.0; 1.5; 2.2; 3.3; 4.7; 6.8.
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