ESTIMATED POWER REQUIREMENT CALCULATION

For all induction heating applications where workpieces of specific size and mass need to be heated to a specific temperature in a required period of time, you can use the formula below to calculate the approximate power of the generator required:

P = m • c • ΔT / t

P
m
c
ΔT
t

P
m
c
ΔT
t

Generator power [kW]
Workpiece mass [kg]
Special heat quantity [kW s / kg K]
Temperature difference [K] (Final temperature – Initial temperature)
Heating time [s]

Power calculator

Calculation examples for induction heating of steel/iron up to 300 °C.

Results are automatically updated while entering values.

Losses due to heat radiation and conductivity are not included in this calculation.

Example for a cylindrical shrink fit

Main calculation
mm
mm
mm
kW
mm
Results:
kg
K
s
Input
cent
Results:
cent

Example for generator power

Main calculation
kg
K
s
Results:
kW
Input
cent
Results:
cent
*Losses of heat radiation and conductivity are not included.

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