Mitsubishi electric corporation (20240348181). POWER CONVERSION DEVICE simplified abstract
Contents
POWER CONVERSION DEVICE
Organization Name
mitsubishi electric corporation
Inventor(s)
Mitsuru Ishizuka of Tokyo (JP)
POWER CONVERSION DEVICE - A simplified explanation of the abstract
This abstract first appeared for US patent application 20240348181 titled 'POWER CONVERSION DEVICE
The controlling circuitry of a power converter can operate in a 3-level mode, outputting AC voltage from a DC circuit using on/off control of semiconductor elements, as well as in a 2-level mode, outputting AC voltage composed of 2-level voltages.
- The controlling circuitry can switch between the 2-level and 3-level operation modes based on the polarity of a voltage command.
- This technology allows for efficient control of the power converter by adjusting the output voltage levels.
- The semiconductor elements play a crucial role in determining the operation mode of the power converter.
- The switchover control ensures seamless transitions between the different operation modes.
- By optimizing the output voltage levels, this innovation enhances the overall performance of the power converter.
Potential Applications: - Power electronics - Renewable energy systems - Electric vehicles
Problems Solved: - Efficient control of power converters - Optimization of output voltage levels - Seamless transitions between operation modes
Benefits: - Improved efficiency - Enhanced performance - Greater flexibility in voltage control
Commercial Applications: Title: Advanced Power Converter Technology for Enhanced Efficiency This technology can be applied in various industries such as renewable energy, electric vehicles, and power electronics, offering improved efficiency and performance in power conversion systems.
Questions about the technology: 1. How does the controlling circuitry determine the operation mode of the power converter? 2. What are the key advantages of using semiconductor elements in power conversion systems?
Original Abstract Submitted
a controlling circuitry of a power converter has a 3-level operation mode of outputting ac voltage composed of 3-level voltages of a dc circuit by performing on/off control of semiconductor elements, and a 2-level operation mode of outputting ac voltage composed of 2-level voltages of the dc circuit by performing on/off control of the semiconductor elements. the controlling circuitry executes first switchover control for switching between the 2-level operation mode and the 3-level operation mode, at a timing when, among the semiconductor elements, a set semiconductor element according to a polarity of a voltage command for controlling the power converter is continuing to be on.
