O te hangarau, Hikohiko
Wāhanga ripeka Waea mō te waea tāutanga
Kei te pera u hiko i roto i to tatou oraraa tapahia e te to tatou oraraa rite ki te huri i te supply hiko ohorere, me titiro atu tatou ki a hanga noa reira. E karapotia matou e te maha nui o ngā pūrere rerekē e kua hono ki tou whatunga kāinga ranei tika i roto i te putanga taiepa, i roto i ranei
I te tahi taime te mea e tika ana ki te pupuri i te marama i roto i te karāti atu outbuildings ranei, whakakapi i te waea ranei te hanga i te aho toronga kāinga. Ranei he mea e tika ana ki te tātai i te tau mōrahi o ngā pūrere e taea te wā kotahi i roto i te kotahi tee e kore te mea mahana waea a pakaru ana mai te ahi i roto i tika ki te taiawhio poto. I roto i te wā, pērā i he mea e tika ana ki te hanga i te tātai-mua o te rahi waea ki te kia māia i roto i te haumaru o te waea tāutatia.
He aha te taura ki te whiriwhiri?
Ko reira kahore ngaro e parahi kua he ātete raro atu i te konumohe, me reira ka whakaritea ki te parahi, me te konumohe waea, i roto i nei waea te wāhanga ripeka taua, i roto i te take tuatahi, ka waiho ahua nui te kawenga tīkina. Ko kaha waea Parahi, ngawari me e kore e whatiia iho i roto i ngā wāhanga o te tupa. Ano, he iti te hema ki te hāora, me te waikura parahi. Ko te painga anake o te waea konumohe ko tona utu, i te mea e toru ranei wha nga wa iti iho i te parahi.
Tātaitanga o kaiwhakahaere ripeka-wāhanga o te mana
Waea ripeka-wāhanga, mm² | Parahi waea (taura, kaiwhakahaere) | |||
Mānukanuka i roto i te mekameka 220 | Mānukanuka i roto i te mekameka 380 | |||
mana, Kw | nāianei, A | mana, Kw | nāianei, A | |
1.5 | 4.1 | 19 | 10.5 | 16 |
2.5 | 5.9 | 27 | 16.5 | 25 |
4 | 8.3 | 38 | 19.8 | 30 |
6 | 10.1 | 46 | 26.4 | 40 |
10 | 15.4 | 70 | 33,0 | 50 |
16 | 18.7 | 85 | 49,5 | 75 |
25 | 25.3 | 115 | 59.4 | 90 |
35 | 29.7 | 135 | 75,9 | 115 |
50 | 38,5 | 175 | 95.7 | 145 |
70 | 47.3 | 215 | 118,8 | 180 |
95 | 57,2 | 260 | 145,2 | 220 |
120 | 66,0 | 300 | 171,6 | 260 |
Waea ripeka-wāhanga, mm² | Konumohe waea (taura, kaiwhakahaere) | |||
Mānukanuka i roto i te mekameka 220 | Mānukanuka i roto i te mekameka 380 | |||
mana. Kw | amperage. He | mana. Kw | amperage. He | |
2.5 | 4.4 | 20 | 12.5 | 19 |
4 | 6.1 | 28 | 15.1 | 23 |
6 | 7.9 | 36 | 19.8 | 30 |
10 | 11.0 | 50 | 25.7 | 39 |
16 | 13.2 | 60 | 36.3 | 55 |
25 | 18.7 | 85 | 46,2 | 70 |
35 | 22,0 | 100 | 56,1 | 85 |
50 | 29.7 | 135 | 72,6 | 110 |
70 | 36.3 | 165 | 92,4 | 140 |
95 | 44,0 | 200 | 112,2 | 170 |
120 | 50.6 | 230 | 132,0 | 200 |
Me pēhea te ki te tirohia i te rahi waea?
Mai te waea te tikanga i te āhua ripeka-motu porohita, tatau te rohe wāhanga kei te whakamahi i te tātai:
S = π x d² / 4 ranei S = 0.8 x d², te wahi
S - rohe motu o te conductors i mm.kv;.
π - 3,14;
d - waea diameter i roto i mm.
Me kī mō te tauira e te diameter waea ko 1.3 mm., Ka S = 0.8 0.8 • • 1,3² = 1.3 x 1.3 = 1,352 mm.kv.
I roto i tetahi eletromontazhnyh Me ki mahara e kore e hiko i rata tau'a ore, me e kore e whakarerea noatia hape mahi. haumaru hiko me te tika - ko tenei te mea e rapu tonu koutou, ina hanga i tetahi waea hiko i roto i te fare, whare whare ranei.
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