Fua faatatau

Faamatalaga Polokalame Fuafuaina

Vaega-Igoa
1 Aofia coper wirep uaea-mamafa ma le umi liua fua L / kg L1 = 143m / (D * D)
2 O le le mautonu uaea-mamafa ma le umi liua o le auala g / l Z = (T * W-0.2146 * T2) * 8900 * 1000/1000000
3 Cross-vaega vaega o le uaea mm2 S = t * w-0.2146 * T2
4 Litz wire-mamafa ma le umi liua fua L / kg L2 = 274 / (D * D * 2 * Lata)
5 O le tetee atu i le uaea Ω / l R = r * l1 / s
6 Fuataga 1: Faʻatoʻaga o litz uaea Ω / l R20 = RT × α × 103 / l3
7 Fua faatatau 2: Faʻaoso o Litz uaea Ω / l R2 (ω / km) ≦ ≦ × 1 s × i × 1000
L1 Umi (m) R1 Tetee (ω / m)
L2 Umi (M / KG) r 0.00000001724ω * ㎡ / m
L3 Umi (km) R20 Tausiga o loʻo tetee i le 1km i le 20 ° C (ω / KM)
M Mamafa (kg) Rt Tetee i le T ° C (ω)
D Lapoa (mm) αt Lega o le vevela
Z Mamafa (g / m) R2 Tetee (ω / km)
T Mafiafia (mm) r Tetee o le 1 mita le tasi-singund ua uma le apamemea apamemea
W Lautele (mm) s Manoa (PC)
S Cross-vaega eria (MM2)