Tātai Tātai Raraunga
| 1 | Waea Enameled Copepr Waea- tauira huri taimaha me te roa | L/KG | L1=143M/(D*D ) |
| 2 | Waea Tapawhā- tauira huri taumaha me te roa | g/L | Z=(T*W-0.2146*T2)*8900*1000/1000000 |
| 3 | Te waahi whiti o te Waea Tapawhā | mm2 | S=T*W-0.2146*T2 |
| 4 | Litz Waea-taimaha me te tauira huringa roa | L/KG | L2=274 / (D*D*2*Wero) |
| 5 | Te ātete o te waea tapawhā | Ω/L | R=r*L1/S |
| 6 | Tātai 1: Ātete o Litz Waea | Ω/L | R20=Rt ×α×103/L3 |
| 7 | Tātai 2: Ātete o Litz Waea | Ω/L | R2(Ω/Km)≦ r×1.03 ÷s×i×1000 |
| L1 | Roa(M) | R1 | Ātete(Ω/m) |
| L2 | Roa(M/KG) | r | 0.00000001724Ω*㎡/m |
| L3 | Roa(KM) | R20 | Te parenga hiko mo ia 1km i te 20°C (Ω/km) |
| M | Taumaha(KG) | Rt | Ātete ki te t°C (Ω) |
| D | Diamita(mm) | āt | Te whakarea o te pāmahana |
| Z | Taumaha(g/m) | R2 | Ātete(Ω/Km) |
| T | Mātotoru(mm) | r | Te ātete ki te 1 mita te whenu kotahi te waea parahi enamera |
| W | Whānui(mm) | s | whenu(pcs) |
| S | Horahanga Whakawhiti (mm2) |