induction and rf heating design topologies

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mayur_dand

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induction heating

hi friends,
i require some feedback for design of induction and rf heating systems especially microcontolled if some one can help me
 

The induction heaters I have seen are free running oscillators using very high power valves/tubes with plate dissipation ratings higher than the input DC power.
 

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i am aware of that but what i want to know is the basic design os RF and induction heating systems and the limitations of rf and inductiona systems
 

Induction heaters dont use very high frequencys. 50Hz.......300Khz
 

can u tell me the diference between rf heaters topologies and induction heating topologies
 

There are two basic methods. If the material is nonconductive, a capacitive method is used with the material between the plates of a capacitor. If the material is conductive, the material is placed in a magnetic field from a coil.
 

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    mayur_dand

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the frequency of the current feed to the lc filter in the induction heating curent is less than the rf heating well i want to get the detailed description about the induction heating actually i want to get the detailed information and about the rf heating systems
 

Does anyone have any approx. idea about the efficiency of an inductive type and/or rf type heating circuit?

Thanks,
/pisoiu
 

Have you tried simulating the device using Ansoft ePhysics addon for HFSS ?

If you have an HFSS model of your design, you can use ePhysics to calculate the heat / tempreture. It is much easier to use than the fullscale thermal design suits. In addition the RF losses are automatically loaded into ePhysics project.

See also;
**broken link removed**

Regards,
Itai
 

well i have no tried it on the hss e phgysics but would like to if u culd help me by sendi ne a software and i would like to know more abt the rf heating topologies how does it works
 



Dear Itai,
Can ePhysics works with HFSS_9.2?
I didn't find this information in HFSS_9.2's manual.
 

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