Maximum Flux Density Calculator
A Maximum Flux Density Calculator is a tool used to determine the maximum magnetic flux density (B) in a magnetic circuit, typically for components like transformers, inductors, or electric motors. Magnetic flux density is the measure of the strength and concentration of the magnetic field in a given area, and it's usually measured in teslas (T) or gauss (G) (where 1T=10,000G).
The formula for maximum flux density is:
Where:
Bmax = Maximum flux density (in teslas, T)
V = Voltage applied (in volts, V)
f = Frequency of the AC voltage (in hertz, Hz)
N = Number of turns in the coil (dimensionless)
A = Cross-sectional area of the core (in square meters, m²)
4.44 = A constant derived from the shape of the AC waveform (for sinusoidal waves)
Why is maximum flux density important?
If the flux density is too high, the magnetic core can saturate, leading to inefficiency, overheating, and possible damage.
If the flux density is too low, the core material might not be used efficiently, increasing size and cost.
Example calculation:
Let's say:
Voltage
V=230V
Frequency f=50Hz
Number of turns N=1000
Core area A=0.01m2
So the maximum flux density here is approximately 103.6 millit1eslas (mT).