Add a with columns: Core name, ( A_c ) (iron area cm²), ( W_a ) (window area cm²), ( A_p ) (= (A_c \cdot W_a)), weight. 4. Turns Calculation Primary turns: [ N_p = \fracV_p4.44 \cdot f \cdot B_max \cdot A_c \cdot 10^-4 ] ((A_c) in cm²)
| Winding | Current (A) | Bare area (mm²) | Wire dia bare (mm) | Wire dia insulated (mm) | Turns | Build (mm) | |---------|-------------|----------------|---------------------|--------------------------|-------|-------------| | Primary | =VA/(η*Vp) | =I/J | =SQRT(4*Aw/π) | from table | Np | =turns * insulated_dia | | Secondary | Is | =Is/J | ... | ... | Ns | ... | transformer design calculation excel
Add : SWG #, bare dia (mm), insulated dia (mm), resistance (Ω/m). 6. Check Window Utilization Required window area: [ W_a_req = \fracN_p \cdot A_w_ins_p + N_s \cdot A_w_ins_sk_u ] Add a with columns: Core name, ( A_c