Laminated Busbar calcs - Amphenol Interconnect Product Corp

Enter the information below to calculate the ampacity for the selected wire gauge and given conditions.

1. DC Current Input Data

DC Current: (Idc)

(Amp)

Number of Layers: (N)

(No)

Length of the Busbar: (L)

(in)

2. Output Details

Min Cross Sec Area required: (A_SC)

(Sq ln)

(Sqmm)

3. Calculated values for the Selected thickness

Select thickness: (t)

(in)

Width calculated: (W_calc)

(in)

4. Selected values

Selected Width: (W_sel)

(in)

(W_sel)

(mm)

Cross Sec area: (A_sc)

(Sq ln)

(A_sc)

(Sqmm)

Perimeter: (P)

(mm)

4(A). Skin Effect for AC High Frequency

Frequency of Operation: (F)

(Hz)

Skin Depth because of eddy current: (SD)

(in)

5. DCR @ 20C

Resistance at 20 Deg C ( T1): (R1_dc)

(Ohms)

5A. AC Resistance @ 20C at High Freq
For thickness t>2SD

AC Resistance at 20 Deg C (T1): (R1_ac)

(Ohms)

Skin effect factor Rac/Rdc: (S)

5B. For thickness t< 2SD

paramter : (P)

Rac/Rdc from graph: (S)

6. DCR @ Higher Temp
Resisitance at Higher Temperature

Required Temperature T2: (T2)

(DegC)

Resistance at T2: (R2)

(Ohms)

7. Voltage Drop Vd across the conductor

Voltage drop Vd: (Vd)

8. External Inductance with Insulation inbetween Inductance

Select insulation type: (lns)

(V)

Insulation Dielectric constant : (K)

(@ 20C ,60Hz)

Insulation Thickness: (d)

(in)

External Inductance : (Le)

(nH)

8A. For High Freq ( t>SD)

High Freq Inductance Lt: (L_H)

(nH)

9. Capacitance between two conductors

Capacitance: (C)

(pF)

10. Impedance of the Busbar

Impedance at Low Frequency: (Z_L)

(Ohms)

Impedance at Higher Frequency: (Z_H)

(Ohms)

11. Total Thickness

Al base top:

(in)

Al base bottom:

(in)

Total Thickness:

(in)

12. Max DC current for the selected size for 40DegC Amb

Max DC current for 50DegC rise above Amb: (I_max)

(Amp)

13. Max AC Current Amperage for the selected size
Select S from above either for t<2SD or t>2SD

Skin Effect factor S from above: (S)

Max AC current: (IAC)

(Amp)