Latest developments and practical evaluations of load-adaptive variable-frequency and PAM-based variable-voltage high-frequency resonant inverter using static induction high-power transistors for industrial induction-heating plants

1994 ◽  
Author(s):  
A. Okuno
Keyword(s):  
Induction Heating ◽  
High Power ◽  
High Frequency ◽  
Variable Frequency ◽  
Power Transistors ◽  
Resonant Inverter ◽  
Variable Voltage ◽  
Static Induction

High Power Density Multi-Mosfet-Based Series Resonant Inverter for Induction Heating Applications

2016 ◽  
Vol 7 (1) ◽  
pp. 107 ◽  
Author(s):  
M. Saravanan ◽  
A. Ramesh Babu
Keyword(s):  
Conversion Efficiency ◽  
Induction Heating ◽  
High Frequency ◽  
Low Voltage ◽  
Resonant Inverter ◽  
Power Simulation ◽  
Series Resonant ◽  
Series Resonant Inverter ◽  
State Resistance ◽  
Practical Constraints

Induction heating application uses uniquely high frequency series resonant inverter for achieving high conversion efficiency. The proposed work focus on improving the practical constraints in requiring the cooling arrangements necessary for switching devices used in resonant inverter due to higher switching and conduction losses. By introducing high frequency Multi- MOSFET based series resonant inverter for the application of induction heating with the following merits such as minimum switching and conduction losses using low voltage grade  of automotive MOSFET’s and higher conversion efficiency with high frequency operation. By adding series combination of low voltage ratedMulti MOSFET switches, temperature variation according to the on-state resistance issues can be avoided by sharing the voltage across the switches depends on number switches connected in the bridge circuit without comprising existing system performance parameter such as THD, power factor, output power. Simulation results also presents to verify that the proposed system achieve higher converter efficiency.

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