Electric power conversion systems – Current conversion – With condition responsive means to control the output...
Patent
1998-05-21
1999-07-06
Nguyen, Matthew
Electric power conversion systems
Current conversion
With condition responsive means to control the output...
363 17, 363132, H02M 744, H02M 75387
Patent
active
059204737
ABSTRACT:
A dc-to-dc power converter for delivering continuous and controlled power to a load includes first and second controllable switching devices having a junction therebetween. Each of the first and second controllable switching devices include a parasitic gate to source capacitance, parasitic gate to drain capacitance, output capacitance and an intrinsic diode. First and second power supplies have a junction therebetween. A power transformer has a primary winding, first and second secondary windings and inductances in series with the primary winding and each of the secondary windings. The secondary windings are each connected to a rectifying circuit connected to the load to supply a controllable current to the load. The primary winding is connected between the junction between the first and second controllable switching devices and the junction between the first and second power supplies. A first drive circuit is connected to the first controllable switching device. A second drive circuit is connected to the second controllable switching device. A drive transformer has a primary winding and first and second secondary windings. The first secondary winding is connected to the first drive circuit, and the second secondary winding is connected to the second drive circuit. A control circuit is connected to the drive transformer primary winding for alternately actuating and deactuating the first and second drive circuits. The first and second controllable switching devices continuously deliver controllable power to the load.
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Magnetic Technology, Inc.
Nguyen Matthew
LandOfFree
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