ELECTRIC POWER CONVERSION APPARATUS

Organization Name

Inventor(s)

Kenichi Fukuno of Chiyoda-ku, Tokyo (JP)

Takaharu Ishibashi of Chiyoda-ku, Tokyo (JP)

ELECTRIC POWER CONVERSION APPARATUS - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240235404 titled 'ELECTRIC POWER CONVERSION APPARATUS

The electric power conversion apparatus described in this patent application includes voltage detection means and a control device to manage semiconductor switching elements in bridge circuits. The control device calculates phase differences and compensation amounts to adjust for errors, ultimately generating gate signals for the semiconductor switching elements.

Voltage detection means to monitor voltages in bridge circuits
Control device to manage semiconductor switching elements
Phase difference operation part to calculate phase variances
Compensation amount operation part to adjust for errors
PWM signal generation part to create gate signals for semiconductor switching elements

Potential Applications: - Power electronics - Renewable energy systems - Electric vehicle technology

Problems Solved: - Efficient power conversion - Error compensation in phase differences - Precise control of semiconductor switching elements

Benefits: - Improved energy efficiency - Enhanced control over power conversion processes - Increased reliability in electric power systems

Commercial Applications: Title: Advanced Power Conversion Technology for Renewable Energy Systems This technology can be utilized in solar inverters, wind turbine converters, and electric vehicle chargers, enhancing their performance and efficiency in converting electric power.

Prior Art: Researchers can explore prior patents related to power conversion systems, semiconductor control devices, and voltage detection means to understand the evolution of this technology.

Frequently Updated Research: Researchers are continually exploring advancements in power electronics, renewable energy systems, and electric vehicle technology that may impact the development of this power conversion apparatus.

Questions about Electric Power Conversion Technology: 1. How does this technology improve energy efficiency in power conversion processes?

  - This technology optimizes the control of semiconductor switching elements, reducing energy losses and improving overall efficiency.

2. What are the potential applications of this power conversion apparatus beyond renewable energy systems?

  - This technology can also be applied in industrial power systems, grid-tied inverters, and energy storage systems for various applications.

Original Abstract Submitted

an electric power conversion apparatus according the present disclosure includes: voltage detection means which detects the voltages of both bridge circuits, and a control device which controls the semiconductor switching elements of both bridge circuits. the control device includes a phase difference operation part which calculates a phase difference between the output of the first bridge circuit and the output of the second bridge circuit, based on the voltage values of both bridge circuits which are detected by the voltage detection means and an electric power command value; a compensation amount operation part which calculates a compensation amount which compensates an error due to the phase difference; and a pwm signal generation part which generates gate signals of the semiconductor switching elements, from a first operation result of the phase difference operation part and a second operation result of the compensation amount operation part.