#FUJI ELECTRIC CO., LTD.

UNINTERRUPTIBLE POWER SUPPLY

An uninterruptible power supply includes an uninterruptible-power-supply module including a power converter to convert AC power supplied from an AC power supply and to supply converted AC power to a l…

DRIVE·Jun 4·1 min read

H02J9/062 FUJI ELECTRIC CO., LTD.

SEMICONDUCTOR DEVICE AND VEHICLE

A semiconductor device, including: a semiconductor element that has, formed at a first surface thereof: a pair of metal layers adjacent to each other, and an insulating layer interposed between the pa…

DRIVE·May 28·1 min read

H10W40/255 FUJI ELECTRIC CO., LTD.

UNINTERRUPTIBLE POWER SUPPLY

An uninterruptible power supply according to this invention includes an uninterruptible-power-supply module including a power conversion housing accommodating a power converter. The uninterruptible po…

DRIVE·Oct 24·1 min read

H02J9/062 FUJI ELECTRIC CO., LTD.

UNINTERRUPTIBLE POWER SUPPLY DEVICE AND CONTROL MODULE FOR UNINTERRUPTIBLE POWER SUPPLY DEVICE

In an uninterruptible power supply device, a control module includes a thyristor unit, a control unit, and a housing that accommodates the thyristor unit and the control unit, in which the thyristor u…

DRIVE·Jun 13·1 min read

H02J9/062 FUJI ELECTRIC CO., LTD.

POWER CONVERTER

A power converter includes a semiconductor module, a capacitor module, a control board, and an insulating plate. The capacitor module includes a smoothing capacitor, a first connection terminal electr…

DRIVE·Oct 26·1 min read

H05K7/14322 FUJI ELECTRIC CO., LTD.

POWER CONVERSION SYSTEM

A power conversion system in which a converter and an inverter are coupled to each other via a DC coupling unit that has an inductance component is provided. A switching frequency of each of the conve…

DRIVE·Jun 1·1 min read

H02M5/458 FUJI ELECTRIC CO., LTD.

UNINTERRUPTIBLE POWER SUPPLY APPARATUS AND CONTROL DEVICE FOR UNINTERRUPTIBLE POWER SUPPLY APPARATUS

This uninterruptible power supply apparatus includes an uninterruptible power supply module, an input module, and a control module that is disposed in a left-right direction of the input module. The c…

DRIVE·Feb 9·1 min read

H02J9/062 FUJI ELECTRIC CO., LTD.

UNINTERRUPTIBLE POWER SUPPLY DEVICE

This uninterruptible power supply device includes an input module provided with a plurality of conductor wires having a plate shape including at least a plurality of AC input wires, and an uninterrupt…

DRIVE·Feb 9·1 min read

H02J9/062 FUJI ELECTRIC CO., LTD.

CONTROL DEVICE, MOTOR DRIVING APPARATUS, AND MOTOR DRIVING SYSTEM

A control device includes a control circuit configured to control an inverter circuit that drives a motor by a plurality of switching elements coupled between DC buses, a first power supply system usi…

DRIVE·Jan 19·1 min read

H02P29/024 FUJI ELECTRIC CO., LTD.

SEMICONDUCTOR DEVICE, SEMICONDUCTOR MODULE, VEHICLE, AND MANUFACTURING METHOD OF SEMICONDUCTOR DEVICE

Provided is a semiconductor device including: a laminated substrate in which a circuit layer, an insulating layer, and a metal layer are sequentially laminated. A slit is formed in the circuit layer. …

DRIVE·Sep 22·1 min read

H01L23/13 FUJI ELECTRIC CO., LTD.

POWER DISTRIBUTION APPARATUS, POWER DISTRIBUTION METHOD, AND COMPUTER-READABLE MEDIUM

A power distribution apparatus configured to calculate, for a plurality of distributed power supplies connected to an electric power system, active power and reactive power to be outputted from each o…

DRIVE·May 12·1 min read

H02J3/381 FUJI ELECTRIC CO., LTD.

POWER CONVERSION DEVICE

A power conversion device includes a power converter to output AC power by converting input DC power, an electric leakage detector to detect electric leakage in a power supply line through which the A…

DRIVE·Apr 7·1 min read

H02M7/797 FUJI ELECTRIC CO., LTD.

IN-VEHICLE SEMICONDUCTOR CIRCUIT AND SEMICONDUCTOR CIRCUIT

Provided is a semiconductor circuit connected to a load circuit and configured to control power supply to the load circuit, comprising: a power line to which a power voltage is applied; an overvoltage…

DRIVE·Mar 17·1 min read

B60R16/03 FUJI ELECTRIC CO., LTD.

CONTROL APPARATUS, CONTROL METHOD, AND COMPUTER-READABLE MEDIUM

Even when a fault occurs on an electric power system, a command signal based on appropriate calculation is given to a distributed power supply. Provided is a control apparatus configured to control a …

DRIVE·Jan 27·1 min read

H02J3/18 FUJI ELECTRIC CO., LTD.

POWER CONVERTER

A power converter includes a power conversion controller configured to determine whether or not an output terminal is misconnected to a system power supply based on a current between a power converter…

DRIVE·Oct 21·1 min read

H02M1/0009 FUJI ELECTRIC CO., LTD.

POWER CONVERSION DEVICE

A power conversion device includes a power converter, a relay, and a welding detector. The welding detector includes a first resistor connected to a terminal of the relay on a first side, a capacitor …

DRIVE·Oct 21·1 min read

G01R31/3278 FUJI ELECTRIC CO., LTD.

GRID INTERCONNECTION DEVICE AND SERVER

It is desirable to improve the accuracy of voltage control in the grid interconnection device for supplying the power generated by the distributed power source to the interconnection point. Provided i…

DRIVE·Oct 14·1 min read

H02J3/46 FUJI ELECTRIC CO., LTD.

GRID CONNECTED INVERTER, AND METHOD FOR REDUCING GRID FREQUENCY VARIATION

A grid connected inverter is connectable to a power grid having a synchronous generator connected thereto, and is operable according to an output active power command generated by a virtual synchronou…

DRIVE·Sep 23·1 min read

H02H7/122 FUJI ELECTRIC CO., LTD.

CONTROL DEVICE, CONSIDERATION CALCULATION DEVICE, POWER SYSTEM, AND COMPUTER-READABLE MEDIUM HAVING RECORDED THEREON A PROGRAM

In order to output sufficient reactive power for voltage stabilization of a utility grid, and calculate an appropriate consideration according to an amount of the output reactive power, is provided a …

DRIVE·May 27·2 min read

H02J3/18 FUJI ELECTRIC CO., LTD.

UNINTERRUPTIBLE POWER SUPPLY AND DISCONNECTION MODULE

An uninterruptible power supply includes disconnectors that perform a disconnection operation to electrically disconnect a plurality of uninterruptible power supply modules individually. Each of the d…

DRIVE·Apr 22·1 min read

H02J9/062 FUJI ELECTRIC CO., LTD.

UNINTERRUPTIBLE POWER SUPPLY

An uninterruptible power supply includes a first detector provided on an input side of a power converter, the first detector detecting a first detection value that is a value of a voltage or current, …

DRIVE·Apr 22·1 min read

H02J9/061 FUJI ELECTRIC CO., LTD.

MOTOR DRIVING APPARATUS AND MOTOR DRIVING METHOD

Provided is a motor driving apparatus including: an upper-arm gate driving circuit; a lower-arm gate driving circuit; a first rotation detection unit powered by a first power source; a second rotation…

DRIVE·Apr 15·1 min read

H02P27/06 FUJI ELECTRIC CO., LTD.

POWER CONVERSION DEVICE

In a power conversion device, a distance between an output terminal of a first switching module and a cathode terminal of a first diode module in a first direction is arranged to be substantially equa…

DRIVE·Jan 28·1 min read

H02M5/293 FUJI ELECTRIC CO., LTD.