Mitsubishi Electric Corporation

Kyota Otsuka

Kenji Hirose

Yoshihiro Akeboshi

A noise filter includes: a ground-side power supply line detecting circuit that is connected to each of a power supply line and a power supply line and detects a power supply line connected to an electrode from among the power supply line and the power supply line; and a control circuit that determines whether the power supply line connected to the electrode is the power supply line or the power supply line on the basis of a detection result by the ground-side power supply line detecting circuit, controls a relay to short-circuit between a Y capacitor and an electrical device ground when determining that the power supply line connected to the electrode is the power supply line, and controls a relay to short-circuit between a Y capacitor and the electrical device ground when determining that the power supply line connected to the electrode is the power supply line.

Noise filter

A noise filter includes: a first bus bar that is electrical wiring of a flat plate, the first bus bar including a first extending wiring portion extending in a first direction, a second extending wiring portion extending in a second direction that is a direction opposite to the first direction, and a first coupling wiring portion connecting the first extending wiring portion and the second extending wiring portion; a first lead conductor having a first end connected with the first coupling wiring portion; a first capacitor having a first end connected with a second end of the first lead conductor and a second end connected with a ground; and a magnetic core having an opening in a central portion, the magnetic core disposed in such a manner that the first coupling wiring portion passes through the opening.

Growing community of inventors

Tokyo, Japan

Kyota Otsuka