Mitsubishi electric corporation (20240136935). ELECTRIC POWER CONVERSION APPARATUS simplified abstract

ELECTRIC POWER CONVERSION APPARATUS

Organization Name

mitsubishi electric corporation

Inventor(s)

Kenichi Fukuno of Chiyoda-ku, Tokyo (JP)

Takaharu Ishibashi of Chiyoda-ku, Tokyo (JP)

Takato Toi of Chiyoda-ku, Tokyo (JP)

ELECTRIC POWER CONVERSION APPARATUS - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240136935 titled 'ELECTRIC POWER CONVERSION APPARATUS

Simplified Explanation

The electric power conversion apparatus described in the abstract is a system that includes voltage detection means, control device, phase difference operation part, compensation amount operation part, and PWM signal generation part.

• Voltage detection means detects the voltages of both bridge circuits.
• Control device controls the semiconductor switching elements of both bridge circuits.
• Phase difference operation part calculates a phase difference between the outputs of the two bridge circuits based on voltage values.
• Compensation amount operation part calculates an amount to compensate for errors due to the phase difference.
• PWM signal generation part generates gate signals for the semiconductor switching elements based on the results of the phase difference and compensation amount operations.

Potential Applications

This technology can be applied in various industries such as renewable energy systems, electric vehicles, industrial automation, and power electronics.

Problems Solved

This technology helps in improving the efficiency and reliability of electric power conversion systems by accurately controlling the semiconductor switching elements based on voltage values and phase differences.

Benefits

The benefits of this technology include increased energy efficiency, improved power quality, reduced maintenance costs, and enhanced system performance.

Potential Commercial Applications

Potential commercial applications of this technology include grid-tied inverters, motor drives, uninterruptible power supplies, and battery charging systems.

Possible Prior Art

One possible prior art for this technology could be similar electric power conversion systems with voltage detection and control devices, but without the specific phase difference and compensation amount operations described in this patent application.

How does this technology compare to existing power conversion systems in terms of efficiency and performance?

This article does not provide a direct comparison between this technology and existing power conversion systems in terms of efficiency and performance.

What are the specific industries or applications where this technology is expected to have the most impact?

This article does not specify the specific industries or applications where this technology is expected to have the most impact.

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.