18203421. ELECTRIC-POWER CONVERSION APPARATUS simplified abstract (Mitsubishi Electric Corporation)
Contents
- 1 ELECTRIC-POWER CONVERSION APPARATUS
- 1.1 Organization Name
- 1.2 Inventor(s)
- 1.3 ELECTRIC-POWER CONVERSION APPARATUS - A simplified explanation of the abstract
- 1.4 Simplified Explanation
- 1.5 Potential Applications
- 1.6 Problems Solved
- 1.7 Benefits
- 1.8 Potential Commercial Applications
- 1.9 Possible Prior Art
- 1.9.1 Unanswered Questions
- 1.9.2 How does this technology compare to existing short-circuit control methods in electric-power conversion systems?
- 1.9.3 What are the specific criteria used by the excessive-current detection means to determine abnormality caused by excessive current in the semiconductor switching devices?
- 1.10 Original Abstract Submitted
ELECTRIC-POWER CONVERSION APPARATUS
Organization Name
Mitsubishi Electric Corporation
Inventor(s)
Toshikazu Takagi of Tokyo (JP)
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.
