Quasi Resonant topology based Induction Cooker:
The quasi resonant induction cooktop system of “1.8KW” has been developed using STGWT20IH125DF – 1250V, 20A IH series trench gate field-stop IGBT and STM8S003F3 – value line 8-bit microcontroller from STMicroelectronics. Ready to manufacture is the maturity level. The system is incorporated with comprehensive safety mechanism to handle voltage transients and inconsistent cookware/utensil. The block diagram of the system developed is shown in Figure 2, while the actual system is shown in Figure 4.


Half Bridge Topology based Induction Cooker:
The Half bridge induction cooktop system evaluation board of “3.5KW” has been developed using STGW40H65DFB – HB series 650V, 40A high speed, Trench gate field-stop IGBT, L6491 High voltage high and low-side 4 A gate driver and STM32F072– 32-bit MCU from STMicroelectronics. The system is incorporated with comprehensive safety mechanism to handle voltage transients and inconsistent cookware/utensil. The block diagram of the system developed is shown in Figure 5, while the actual system is shown in Figure 6.



Conclusion:
Induction cooking is a promising technology for those seeking sustainability in the kitchens, hotels restaurants, and is clearly a better choice over standard electric or the expense and carbon footprint of installing a gas line.
Figure 3 and Figure 5 are swapped.
Nice
Let’s say I want to run the same ckt using DC. Can I just remove the rectifier part and do that? I am guessing I need to tinker the feed to the IGBTs but not sure exacly how.
Very Nice, though the component values could be really helpful