US Patent Application 18246252. Power Conversion Device simplified abstract

Power Conversion Device

Organization Name

Mitsubishi Electric Corporation

Inventor(s)

Fuminori Nakamura of Chiyoda-ku, Tokyo (JP)

Yoshiyuki Kono of Chiyoda-ku, Tokyo (JP)

Ryosuke Uda of Chiyoda-ku, Tokyo (JP)

Power Conversion Device - A simplified explanation of the abstract

This abstract first appeared for US patent application 18246252 titled 'Power Conversion Device

Simplified Explanation

The patent application describes a power conversion device that converts power between an AC circuit and a DC circuit.

• The device includes a self-commutated power converter and a control device.
• The control device controls the switching operation of a switching element in the power converter.
• When a control command value for the power converter reaches or exceeds a certain threshold value, the control device increases the switching frequency of the switching element.
• This allows for more efficient power conversion and improved performance of the power conversion device.

Original Abstract Submitted

A power conversion device includes a self-commutated power converter that performs power conversion between an AC circuit and a DC circuit, and a control device that controls switching operation of a switching element included in the self-commutated power converter. The control device performs first control to increase a switching frequency of the switching element when a control command value for the self-commutated power converter becomes equal to or greater than a first threshold value.