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US 10,256,626 B2Granted
Methods and systems of impedance source semiconductor device protection
AssigneeDRS Power & Control Technologies, Inc.
InventorsChristopher Harper, Jeffery Fischer, Ian Wallace
Life of this patent
Estimating the term…
Abstract
An electrical network configured to suppress voltage transients includes a capacitor and an electrical impedance in parallel with a diode. The capacitor is in series with the parallel connected diode and electrical impedance. The electrical network is configured to suppress voltage transients occurring across the series combination of the capacitor and the parallel connected diode and electrical impedance.
Claims30
An electrical network configured to suppress voltage transients, the network comprising:
- a capacitor;
- and
- an electrical impedance in parallel with a diode, wherein the capacitor is in series with the parallel connected diode and electrical impedance,
- wherein the electrical network is configured to suppress voltage transients occurring across the series combination of the capacitor and the parallel connected diode and electrical impedance,
- wherein the electrical impedance comprises a resistor, and
- wherein the electrical impedance further comprises at least one of an additional resistor, an additional capacitor, and an inductor.
3 more elements
An electrical network configured to suppress voltage transients, the network comprising:
- a first capacitor;
- an electrical impedance in parallel with a diode, wherein the first capacitor is in series with the parallel connected diode and electrical impedance;
- and
- second and third capacitors, wherein the second and third capacitors are in series with the first capacitor and the parallel connected diode and electrical impedance,
- wherein the electrical network is configured to suppress voltage transients occurring across the series combination of the first capacitor, the parallel connected diode and electrical impedance, the second capacitor, and the third capacitor,
- wherein the electrical impedance comprises a resistor, and
- wherein the electrical impedance further comprises at least one of an additional resistor, a capacitor, and an inductor.
4 more elements
An electrical network configured to suppress voltage transients, the network comprising:
- a capacitor;
- and
- an electrical impedance in parallel with a diode, wherein the capacitor is in series with the parallel connected diode and electrical impedance,
- wherein the electrical network is configured to suppress voltage transients occurring across the series combination of the capacitor and the parallel connected diode and electrical impedance, and
- wherein the electrical impedance is actively controlled.
2 more elements
An electrical network configured to suppress voltage transients, the network comprising:
- a capacitor;
- an electrical impedance in parallel with a diode, wherein the capacitor is in series with the parallel connected diode and electrical impedance;
- and
- an energy storage element or an energy conversion element in parallel with the capacitor,
- wherein the electrical network is configured to suppress voltage transients occurring across the series combination of the capacitor and the parallel connected diode and electrical impedance.
2 more elements
An electrical network configured to suppress voltage transients, the network comprising:
- a capacitor;
- an electrical impedance in parallel with a diode, wherein the capacitor is in series with the parallel connected diode and electrical impedance;
- and
- a Z source network, wherein the series combination of the capacitor and the parallel connected diode and electrical impedance is connected across first and second nodes of the Z source network, and wherein the series combination of the capacitor and the parallel connected diode and electrical impedance is configured to suppress voltage transients occurring across the first and second nodes.
1 more element
An electrical network configured to suppress voltage transients, the network comprising:
- a first capacitor;
- an electrical impedance in parallel with a diode, wherein the first capacitor is in series with the parallel connected diode and electrical impedance;
- and
- second and third capacitors, wherein the second and third capacitors are in series with the first capacitor and the parallel connected diode and electrical impedance,
- wherein the electrical network is configured to suppress voltage transients occurring across the series combination of the first capacitor, the parallel connected diode and electrical impedance, the second capacitor, and the third capacitor,
- wherein the electrical impedance is actively controlled.
3 more elements
An electrical network configured to suppress voltage transients, the network comprising:
- a first capacitor;
- an electrical impedance in parallel with a diode, wherein the first capacitor is in series with the parallel connected diode and electrical impedance;
- second and third capacitors, wherein the second and third capacitors are in series with the first capacitor and the parallel connected diode and electrical impedance;
- and
- an energy storage element or an energy conversion element in parallel with the first capacitor,
- wherein the electrical network is configured to suppress voltage transients occurring across the series combination of the first capacitor, the parallel connected diode and electrical impedance, the second capacitor, and the third capacitor.
3 more elements
An electrical network configured to suppress voltage transients, the network comprising:
- a first capacitor;
- an electrical impedance in parallel with a diode, wherein the first capacitor is in series with the parallel connected diode and electrical impedance;
- and
- second and third capacitors, wherein the second and third capacitors are in series with the first capacitor and the parallel connected diode and electrical impedance,
- wherein the electrical network is configured to suppress voltage transients occurring across the series combination of the first capacitor, the parallel connected diode and electrical impedance, the second capacitor, and the third capacitor, and
- wherein the first capacitor, the electrical impedance, the diode, the second capacitor, and the third capacitor are integrated in a package.
3 more elements
An electrical network configured to suppress voltage transients, the network comprising:
- a first capacitor;
- an electrical impedance in parallel with a diode, wherein the first capacitor is in series with the parallel connected diode and electrical impedance;
- second and third capacitors, wherein the second and third capacitors are in series with the first capacitor and the parallel connected diode and electrical impedance;
- and
- a Z source network, wherein the series combination of the first capacitor and the parallel connected diode and electrical impedance is connected across first and second nodes of the Z source network, and wherein the series combination of the first capacitor and the parallel connected diode and electrical impedance is configured to suppress voltage transients occurring across the first and second nodes,
- wherein the electrical network is configured to suppress voltage transients occurring across the series combination of the first capacitor, the parallel connected diode and electrical impedance, the second capacitor, and the third capacitor.
3 more elements
Dependencies are inferred from the claim text.