Solid state radio frequency power generator

Details Solid state radio frequency power generator Solid state radio frequency power generator

1981-06-29

1984-09-11

Envall, Jr., Roy N.

Electric heating

Metal heating

Of cylinders

219 1049R, 219 1075, 363 98, H05B 606

Patent

active

044711964

ABSTRACT:
A solid state radio frequency high power generator for induction heating applications uses MOSFET devices controlled at radio frequency by a current loop which is automatically corrected against the possible occurrence of a leading phase shift by a voltage-current phase shift detection loop which responds to digital signals corrected against inherent time delays.

REFERENCES:
patent: 3718852 (1973-02-01), Bailey
patent: 4280038 (1981-07-01), Havas et al.
patent: 4309586 (1982-01-01), Ishibashi
patent: 4358654 (1982-11-01), Estes
"Application of Switch Mode Controlled VMOSFEPT's for Power Conversion in DC and AC Motor Drives"; Undeland, Tore Marvin; Electrical Power Engineering Dept., the Norweigian Institute of Technology; Sept. 28-Oct. 3, 1980.
"Driving the SIPMOS Field-Effect Transistor as a Fast Power Switch"; Hebenstreit, Ernst; Dept. of Engineering, Siemens, A. G.; May 23, 1980.

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