View source for 18203421. ELECTRIC-POWER CONVERSION APPARATUS simplified abstract (Mitsubishi Electric Corporation)

=ELECTRIC-POWER CONVERSION APPARATUS=


==Organization Name==

[[:Category:Mitsubishi Electric Corporation|Mitsubishi Electric Corporation]]


[[Category:Mitsubishi Electric Corporation]]

==Inventor(s)==

[[:Category:Toshikazu Takagi of Tokyo (JP)|Toshikazu Takagi of Tokyo (JP)]][[Category:Toshikazu Takagi of Tokyo (JP)]]

[[:Category:Chiharu Morisaki of Tokyo (JP)|Chiharu Morisaki of Tokyo (JP)]][[Category:Chiharu Morisaki of Tokyo (JP)]]

==ELECTRIC-POWER CONVERSION APPARATUS - A simplified explanation of the abstract==


This abstract first appeared for US patent application 18203421 titled 'ELECTRIC-POWER CONVERSION APPARATUS

==Simplified Explanation==

The patent application describes an electric-power conversion apparatus that includes a driving circuit for semiconductor switching devices, short-circuit control means, excessive-current detection means, and gate-drive-abnormality detection means. The short-circuit control means can turn on all the semiconductor switching devices in either the upper arm or the lower arm based on abnormality detection results.

* Driving circuit for semiconductor switching devices
* Short-circuit control means
* Excessive-current detection means
* Gate-drive-abnormality detection means
* Short-circuit control based on abnormality detection results

== Potential Applications ==
The technology described in the patent application could be applied in various electric-power conversion systems, such as renewable energy systems, electric vehicles, and industrial power supplies.

== Problems Solved ==
This technology helps in detecting and controlling abnormal conditions like excessive current and gate-drive abnormalities in semiconductor switching devices, ensuring the safe and efficient operation of electric-power conversion circuits.

== Benefits ==
The benefits of this technology include improved safety, reliability, and performance of electric-power conversion systems by effectively detecting and controlling abnormal conditions in semiconductor switching devices.

== Potential Commercial Applications ==
The technology has potential commercial applications in industries that rely on electric-power conversion systems, such as renewable energy, electric vehicles, and industrial automation. The optimized control of semiconductor switching devices can lead to more efficient and reliable power conversion solutions.

== Possible Prior Art ==
One possible prior art for this technology could be similar patents or research papers related to the control and protection of semiconductor switching devices in electric-power conversion systems.

=== Unanswered Questions ===

=== How does this technology compare to existing short-circuit control methods in electric-power conversion systems? ===
This article does not provide a direct comparison with existing short-circuit control methods in electric-power conversion systems. It would be interesting to know the specific advantages or improvements offered by this technology over traditional methods.

=== What are the specific criteria used by the excessive-current detection means to determine abnormality caused by excessive current in the semiconductor switching devices? ===
The article mentions the detection of abnormality caused by excessive current, but it does not detail the specific criteria or thresholds used by the excessive-current detection means. Understanding these criteria could provide insights into the sensitivity and accuracy of the detection mechanism.


==Original Abstract Submitted==

An electric-power conversion apparatus includes a driving circuit that performs switching control of semiconductor switching devices, a short-circuit control means that performs short-circuit control of an electric-power conversion circuit, an excessive-current detection means that detects whether or not an abnormality caused by an excessive current exists in the semiconductor switching device, and a gate-drive-abnormality detection means that detects whether or not an abnormality exists in a gate voltage of the semiconductor switching device; based on a result of the abnormality detection by the excessive-current detection means and a result of the abnormality detection by the gate-drive-abnormality detection means, the short-circuit control means turns on all the semiconductor switching devices in any one of the upper arm and the lower arm so as to perform the short-circuit control.



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