How Do You Calculate Frequency and Power for an Induction Heater?

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Discussion Overview

The discussion centers on how to calculate the power and frequency required for an induction heater, specifically for heating graphite rods to 1200 °C with a heat flux of 1 MW/m². Participants explore the necessary parameters and considerations involved in the design of an induction heating system.

Discussion Character

  • Technical explanation
  • Exploratory
  • Homework-related

Main Points Raised

  • One participant seeks guidance on determining the power and frequency for an induction heater, providing specific dimensions for two graphite rod cases.
  • Another participant requests additional information about the original poster's research and encourages sharing specific questions and resources.
  • A third participant mentions the importance of knowing the specific heat capacity and specific gravity of graphite, along with considerations for ambient losses and heating duration.
  • A suggestion is made to use an online calculator for induction heating to assist with the calculations.

Areas of Agreement / Disagreement

Participants have not reached a consensus, and multiple viewpoints and suggestions are presented regarding the calculations and factors to consider.

Contextual Notes

Participants mention specific properties of graphite, such as specific heat capacity and specific gravity, but do not provide detailed calculations or assumptions underlying their suggestions. The discussion lacks resolution on the exact methods for calculating power and frequency.

Who May Find This Useful

Individuals interested in induction heating applications, particularly those working with graphite materials or involved in thermal engineering, may find this discussion relevant.

Jhon Paul
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I would like to get a clue of how to arrive at the power and frequency for an Induction heater. I am planning to heat a graphite rod upto 1200 degC and also to provide a heat flux of 1 MW/m2. The graphite rod dimension will be for one case Dia 5 and length 100 mm and in the second case will be Dia 50 and length 100 mm.

My queery is how to arrive at the frequency and power of the Induction power system. Any help will be appreciated.
 
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Jhon Paul said:
I would like to get a clue of how to arrive at the power and frequency for an Induction heater. I am planning to heat a graphite rod upto 1200 degC and also to provide a heat flux of 1 MW/m2. The graphite rod dimension will be for one case Dia 5 and length 100 mm and in the second case will be Dia 50 and length 100 mm.

My queery is how to arrive at the frequency and power of the Induction power system. Any help will be appreciated.
What have you found so far in your reading on this subject? Can you post links to some of your reading, and ask specific questions about that reading? :smile:
 
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