How to Calculate Series Resonant Intermediate Frequency Furnace

In industrial production, the series resonance intermediate frequency furnace is a common heating equipment. It uses high frequency current to generate an electromagnetic field through an induction coil to heat metallic materials. So, when using series resonant intermediate frequency furnace, how to calculate the parameters?

1. Calculation of the capacitance of the capacitor

The circuit of the series resonant intermediate frequency furnace consists of a power supply, a transformer, a capacitor and an induction coil. Among them, the capacitance of the capacitor is crucial for the stability and efficiency of the whole system.

Usually we can calculate the capacitance of a capacitor using the following formula:C=1/(4π²f²L)

Where C is the capacitance of the capacitor (unit is F), f is the operating frequency (unit is Hz), L is the equivalent inductance of the induction coil (unit is H).

2. Calculate the number of turns von the induction coil

The induction coil is one of the core components in the resonant intermediate frequency furnace series. The number of turns directly affects the heating effect and energy consumption.

We can calculate the number of turns of the induction coil according to the following formula:

N=√(L/C)×(Vp/Vs)

Under them N is the number of turns of the induction coil, L and C are the equivalent inductance of the induction coil and the capacitance of the capacitor, Vp is the peak voltage of the power supply and Vs is the peak voltage in the induction coil.

3. Calculation of the turns ratio of the transformer

The transformer is another important part in the series resonant intermediate frequency furnace. It is mainly used to convert the high voltage of the input power supply into a low voltage suitable for heating purposes.

We can calculate the turns ratio of the transformer according to the following formula:

n=√(Vp/Vs)

Of which n is the number of turns of the transformer Ratio, Vp and Vs are the peak voltages of the input and output ports respectively.

Through the above three steps, we can calculate the main parameters required for the series resonant intermediate frequency furnace. In actual use, we also need to adjust and optimize according to the specific situation to achieve the best heating effect.

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