A power conversion device includes power units, blowers to generate airflows passing through the power units, and a housing that accommodates the power units and the blowers. The power conversion device further includes thermally conductive bases, and cool...

An unmanned carrier robot according to the present disclosure is the unmanned carrier robot that carries a package to a user, and includes an anomaly determination unit that determines presence or absence of an anomaly in security related to the package on...

A CPU includes an auxiliary power supply, a power receiver, a storage, an abnormality detector that detects an abnormality occurring in at least one device of devices including the CPU and a plurality of external devices including a main power supply unit ...

A power conversion system including: a first self-commutated converter connected between a first AC power system, and a first DC main line and a DC return line for first high voltage DC transmission; a second self-commutated converter connected between the...

A frequency stabilizer includes a bidirectional AC/DC converter, a bidirectional DC/DC converter, a first energy storage system, a second energy storage system, and a building. The bidirectional AC/DC converter is connected between an AC power system and t...

A loss in each of a converter, an inverter, and a motor changes according to operation based on the rotation speed of the motor or the like. Thus, in order to efficiently perform operation, appropriate control needs to be performed according to the voltage...

This power conversion device includes: a cooler having a cooling surface; one or a plurality of power modules and thermally connected to the cooling surface; a board placed with a space from the power module; and a board-retention member, the board-retenti...

An illumination device includes a light source unit that emits light, a first optical unit that lets the light enter and changes a divergence angle of the entered light, a second optical unit including an image light formation unit that lets the light with...

According to the present invention, a physique determination apparatus includes an image acquisition unit configured to acquire an image of an occupant, a facial feature point estimation unit configured to estimate facial feature points of the occupant bas...

To provide a generator control device that, even when communication with an external control device is interrupted, evaluates independently, and can increase an amount of power generated so that a drop in DC voltage can be restricted preemptively, while re...