Method and apparatus for power electronics health monitoring
First Claim
Patent Images
1. A method for monitoring the health of power electronics comprising:
- providing at least one switch command to at least one power electronic device through at least one gate driver;
measuring at least one switching time of the at least one power electronic device; and
using the at least one switching time to determine at least one diagnostic condition of the at least one power electronic device or the at least one gate driver.
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Abstract
A method for monitoring the health of power electronics includes: providing a switch command to a power electronic device (12) through a gate driver (14); measuring a switching time of the power electronic device; and using the switching time to determine a diagnostic condition of the power electronic device and/or the gate driver.
13 Citations
21 Claims
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1. A method for monitoring the health of power electronics comprising:
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providing at least one switch command to at least one power electronic device through at least one gate driver;
measuring at least one switching time of the at least one power electronic device; and
using the at least one switching time to determine at least one diagnostic condition of the at least one power electronic device or the at least one gate driver. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method for monitoring the health of power electronics comprising:
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providing at least one switch command to at least one power electronic device through at least one gate driver;
measuring at least one switching time of the at least one power electronic device; and
using the at least one switching time to predict a failure in the at least one power electronic device or the at least one gate driver.
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12. A power electronics health monitoring system comprising a control system for providing at least one switch command to at least one power electronic device through at least one gate driver;
- measuring at least one switching time of the at least one power electronic device; and
using the at least one switching time to determine at least one diagnostic condition of the at least one power electronic device or the at least one gate driver. - View Dependent Claims (13, 14, 15)
- measuring at least one switching time of the at least one power electronic device; and
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16. A power electronics health monitoring system comprising:
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means for providing at least one switch command to at least one power electronic device through at least one gate driver;
means for measuring at least one switching time of the at least one power electronic device; and
means for using the at least one switching time to monitor at least one diagnostic condition of the at least one power electronic device or the at least one gate driver. - View Dependent Claims (17, 18, 19, 20, 21)
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Specification