Αποτελέσματα Αναζήτησης
Di/dt is the instantaneous rate of current change through the inductor. ito = current at time t = 0. Inductive reactance is the opposition of inductor to alternating current AC, which depends on its frequency f and is measured in Ohm just like resistance. Inductive reactance is calculated using: XL = ωL = 2πfL. Where.
8 Μαρ 2024 · Unlike quasistatic inductance calculators, this RF inductance calculator allows for more accurate inductance predictions at high frequencies by including the transmission line effects apparent with longer coils.
Inductive reactance (X L, in Ω) is proportional to the frequency (ω, in radians/sec, or f, in Hz) and inductance (L, in Henries). Pure inductance has a phase angle of 90° (voltage leads current with a phase angle of 90°).
Regarding current sheet inductance formulas for single-layer coils, one of the most widely known is the one by Wheeler [2], which states (after converting to metric units): L = (d 2 n 2) / (l + 0.45d) [μH] where d is the coil diameter in meters, n the number of turns and l the coil length in meters.
Use the formula for self-inductance of a wire: L = (μ₀μr * π * r²) / length, where μ₀ is the permeability of free space, μr is the relative permeability of the wire material, r is the radius of the wire, and length is the total length of the wire.
The following calculator computes the resistance, inductance, inductive reactance, capacitance, charging current, and surge impedance for medium voltage shielded power cables. This calculator provides a good estimate based on industry standard calculation methods and cable manufacturing data.
This calculator uses Maxwell’s formula for the mutual inductance between two circular filaments, applied to every combination of wire pairs in the coil, and then summed to determine the total inductance.
