Method for minimizing the switching loss in a power switch

Details Method for minimizing the switching loss in a power switch Method for minimizing the switching loss in a power switch

1992-01-22

1994-03-08

Skudy, R.

Electricity: power supply or regulation systems

In shunt with source or load

Using choke and switch across source

323233, 323282, 323319, 363 20, H02M 3335

Patent

active

052931110

ABSTRACT:
A switching current converter is connected in parallel with each controlled power switch in an electric circuit so that it is allowed to operate from the input voltage and transfer energy from input to output during the turn-on periods of the controlled power switch, whereby each power switch is allowed to be turned ON when a near-to-zero voltage is present across it. The switching converter serves as an active power switch stress relieving means, resulting in minimizing the switching loss in the power switch while providing the energy for operation of the power switch in a very efficient way.

REFERENCES:
patent: 4675796 (1987-06-01), Gautherin et al.
patent: 4725768 (1988-02-01), Watanabe
patent: 4814963 (1989-03-01), Petersen
patent: 4857822 (1989-08-01), Tabisz et al.
patent: 4959764 (1990-09-01), Bassett
patent: 5008795 (1991-04-01), Parsley et al.
patent: 5099406 (1992-03-01), Harada

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