A system and method for converting otherwise wasted energy produced in the form of heated gases as a byproduct of an industrial process into electrical energy. At least some waste gases are diverted from a typical exhaust structure through a heat exchanger and back into the exhaust structure. The amount of gases ...

A system and method for assisting drivers of Bomb Carts and Shuttle Carriers to position their vehicles appropriately for loading and unloading containers at a gantry crane. The system uses laser scanners mounted at various levels on the gantry crane sill beams to determine the type, position, orientation and ske...

The present invention provides a means for suppressing overvoltage breakdown of semiconductor elements in a power converter due to lightning surges in a multilevel power conversion system. This multilevel power conversion system comprises a multilevel power converter (30) and a control device (40) including: an oper...

This uninterruptible power supply device is provided with: a semiconductor switch (1) that is connected between a bypass AC power supply (11) and a load (14), that is turned on when the bypass AC power supply is operational, and that is turned off when a bypass AC power supply is interrupted; and an inverter (8) tha...

Provided is an overload avoidance support system comprising a recording means, a data aggregation device, a determination device, and a guidance device. The recording means records, in a database, a plurality of pieces of past operation data including product information relating to steel sheet manufactured in the p...

A processor (500), upon receiving execution data, causes an execution program to proceed on the basis of the execution data. The processor (500), upon receiving update data, writes the update data to a memory (502) and causes an update of an update program to proceed. If a programmable device (50) is reset after com...

First and second bases (21) are positioned opposite each other. An inverter (23) is mounted on one of the first and second bases (21). A converter (24) is mounted on the first base (21a). A chopper (25) is mounted on the second base (21b). At least a portion of fins (22) thermally connected to the converter (24) via...

A control panel (1) according to an embodiment comprises: a housing (2); a unit (10) placed on a base panel (3) inside the housing; a caster (19) that is provided to a bottom section (10d) of the unit and is able to travel on the base panel; an upper section fixing panel (17) that fixes a depth-side upper end (10fu)...

Provided is a charge/discharge management system comprising a plurality of output units which are used for connection to EVs and a charger which charges the EVs connected to the plurality of output units, the charger comprises a power supply unit which converts power supplied from a power supply to DC power matching...

Provided is a power conversion system comprising a power conversion device and equipment. The power conversion device includes: an inverter that converts power into AC power and outputs the AC power; and a filter circuit in which a circuit component provided on the AC output side of the inverter and having a damping...

A mechanical switch (4) includes a mechanical contact (40) and coils (42, 44) that open and close the mechanical contact (40) by receiving supply of drive currents from a drive power supply (30). The drive power supply (30) comprises capacitors (C1, C2) and switches (320, 340) connected between the capacitors (C1, C...

An uninterruptible power supply device comprises: an AC/DC converter 11 that converts AC power supplied from a commercial AC power supply (15) into DC power and supplies the DC power to a DC line (DL); a DC/AC converter (13) that converts the DC power received from the DC line into AC power and supplies the AC power...

In the present invention, a base member (20) includes a bottom plate (21) and a side plate (23). In the bottom plate (21), a plurality of first capacitors (10) are arranged in a second direction that is an alignment direction. The side plate (23) is joined to an end of the bottom plate (21) in a third direction and ...

A first controller (40) comprises a first processor and a first memory. A second controller (50) comprises a second processor and a second memory. When transmitting data from the first controller (40) to the second controller (50), the first controller (40) repeatedly executes an operation of writing the transmissio...

A control device according to the present disclosure includes: a first conversion unit that performs two-phase three-phase conversion of a positive-phase d-axis current command value and a positive-phase q-axis current command value and outputs positive-phase current command values of three phases; a second conversi...

In the present invention, a data storage unit stores a manufacturing condition for a product, a setting condition for facility equipment, and, as actual results data acquired from measurement equipment, time-series data for the time of manufacturing. A quality abnormality factor estimation calculation unit acquires ...

In the present invention, a SCADA web HMI client apparatus comprises a plurality of PLCs, a plurality of HMI client devices, and a SCADA device. A SCADA server device comprises a communication driver and a client management unit connected to the plurality of HMI client devices. The client management unit transmits, ...

This voltage control apparatus is provided with: an inverter that converts DC power outputted from a battery into AC power and that supplies the AC power to a power system; and a control device that is connected to the inverter. The control device, when a voltage drop of the output voltage of the inverter is equal t...

A memory of an HMI server device stores image data pertaining to an HMI screen, screen-operation-rights information, and part-operation-rights information. The screen-operation-rights information determines, in accordance with an operation location and for each HMI screen displayed on a web browser, whether the HMI ...

In the present invention, a first power converter (7) selectively executes a charging operation in which a portion of first AC power from a power system (200) is converted into DC power and stored in a power storage device (130), and a discharge operation in which the DC power in the power storage device (130) is co...

This power conversion device of one mode of an embodiment is a power conversion device in which for the position of an electric motor, the detection result of the position is outputted from a position sensor each first cycle, and a delay time occurs from a first timing at which the detection result of the position o...

This degradation diagnosis device for rolling equipment includes an input/output data acquisition unit, a model identification unit, a monitoring parameter calculation unit, a monitoring parameter use determination unit, a representative value calculation unit, a representative value storage unit, and a degradation ...

According to one embodiment, an external fan (22) of a rotating electrical machine 10 includes a base (101) 5 and a plurality of blades (102), and rotates integrally with a shaft (14) to generate airflow in a direction (Da2) opposite to a first direction (Da1) regardless of a rotation direction of the shaft...

This material property prediction device for a rolled product comprises: an approximation model generation unit for generating, off-line, an approximation model by which to comprehensively predict material properties of group of rolled products produced by a rolling line; and a material property prediction unit for ...

A frequency stabilization system according to one aspect of the present invention comprises: a power conversion unit that converts, into AC power, DC power output by a solar panel and/or a storage battery, and outputs the AC power to a power grid; a bidirectional DC converter that is connected in series to the stora...

Provided is an EV charging facility comprising: a plurality of charging stands that, by being attachably/detachably connected to EVs, charge power storage devices mounted to the connected EVs; a plurality of power supply circuits that convert power fed from a power system side into DC power corresponding to the EVs ...

A control device according to one embodiment is for a power conversion device combining a converter for converting AC power to DC power and an inverter for converting DC power to AC power. The control device comprises a DC voltage controller, a compensation calculator, a controller, and a stabilization controller. T...

A control device (15) of this uninterruptible power supply device executes a test mode during execution of an inverter power feed mode to bring a bypass circuit (8) into a conducting state and to reduce an output current (IO) of an inverter (5), thereby determining whether or not the bypass circuit operates normally...

This cubicle is an outdoor-installation-type cubicle comprising a surface part formed using a coated sheet metal that is exposed on the outside of the cubicle, and a coating protective member mounted on the edge of the surface part. The coating protective member is provided with a front cover part, a rear cover part...

A bidirectional chopper (2) selectively performs a charging operation for storing DC power received from DC bus lines (L1, L2) into an electricity storage device (7) and a discharging operation for outputting the DC power of the electricity storage device (7) to the DC bus lines (L1, L2). An inverter (3) converts th...

This DC electric power conversion device comprises a chopper circuit having a first switch that is connected in series to a first connection point and a second connection point, a first diode that is connected in antiparallel to the first switch, a second switch that is connected in series to the first connection po...

A motor driving system according to an embodiment comprises a converter device and an inverter device. The converter device converts a first AC voltage into a DC voltage. The inverter device converts the DC voltage into a second AC voltage and outputs the second AC voltage to a motor. The converter device causes the...

The purpose of the present disclosure is to provide a vehicle test device, such as a chassis dynamometer, which eliminates the need for advance preparation concerning the tire turning angle and enables an accurate angular displacement amount recognition. Displacement sensors (7L, 7R) according to the present disclos...

In the present invention, a movement distance calculation unit calculates the movement distance of a rolled stock from a rolling mill. A reel rotation angle calculation unit calculates a rotation angle of a reel installed on at least one of the entrance side and the exit side at the rolling mill. A plate thickness d...

This voltage control device is provided with: an inverter that converts DC power output from a battery into AC power and supplies the AC power to a power system; and a control device that is connected to the inverter. The control device executes: a process of calculating a first virtual impedance by using various va...

This uninterruptible power supply device has a normal mode in which power supplied from an AC power supply is supplied to a load a backup mode in which the power stored in a storage battery is supplied to the load during a power failure of the AC power supply and a deterioration diagnosis mode in which the deterio...

This device visualizes the rolling process information of a rolling line. This device comprises: a specification information memory in which specification information about a rolling facility installed in a rolling line and a rolled material to be processed by the rolling line is registered; a program memory in whic...

A power conditioner according to the present invention comprises: an inverter that converts direct-current power outputted from a battery to alternating-current power and supplies the alternating-current power to a power system; and a control device that controls the inverter. The control device calculates a frequen...

The objective of the present disclosure is to provide a chassis dynamometer capable of accurately performing a running test of a vehicle in conformity with a running state of the vehicle. A steering model controller (22) of a chassis dynamometer (1) according to the present disclosure executes turning determination ...

This finishing-rolling mill roll balancing device is provided with a roll-balancing adjuster that before the leading end of rolled material wraps onto the coiler, adjusts respective rolling devices on the working end and driving end of the final mill stand to reduce asymmetrical flatness defects measured by a flatne...

This SCADA web HMI system comprises an address diversion source designation means and an address diversion means. The address diversion source designation means designates an existing component on a first screen as an address diversion source for a new component on a second screen, which is an address diversion dest...

A plurality of semiconductor modules (M) are arranged on the first surface of a substrate (30) so as to be aligned along a first direction orthogonal to the vertical direction of this power conversion device. Each capacitor (40) has a cylindrical portion (44) and electrode terminals (42P, 42N) disposed at a first en...

This uninterruptible power supply system comprises: N uninterruptible power supply devices (U) connected in parallel between an AC power supply (1) and a load (2); a current detector for detecting a load current; and a control device. N is an integer that is 2 or more, and M is an integer that is 1 or more and less ...

This power conversion system comprises a transformer a first power conversion device a second power conversion device and a control unit. The transformer comprises a primary winding a secondary winding and a tertiary winding that are magnetically coupled to each other. The primary winding of the transformer is ...

The purpose of the present disclosure is to provide a configuration of a chassis dynamometer that has a more compact installation space. A roller (2) in a roller device (100) that is provided to a chassis dynamometer according to the present disclosure includes a motor (2) that is provided within a roller outer fram...

A pipe connection structure of an embodiment of the present invention mutually connects extending-direction ends of a first pipe and a second pipe. The first pipe and the second pipe each include a pipe body and a pair of coupling members. The pipe body has formed at an end thereof an inclined end surface which is i...

A power converter (4) includes first and second switching elements (Q1, Q2) connected in series between first and second DC lines (L1, L2), third and fourth switching elements (Q3, Q4) connected in series between the second DC line (L2) and a third DC line (L3), an AC terminal (4a), and a multi-level circuit. The mu...

This control device for a multi level power conversion system is a control device in a multi level power conversion system having a multi level power converter and a control device and using a carrier level shift modulation method said multi level power converter having a plurality of semiconductor switching elemen...

A power conversion system (1) is provided with a transformer (2), a power converter (10), and a filter circuit (5). The transformer has a secondary winding (WS) and a plurality of primary windings (WPA-WPD) that are insulated from one another and magnetically coupled to one another, converts alternating current powe...

An uninterruptible power supply device (100) comprises: a converter (4) that converts AC power supplied from an AC power supply (12) to DC power; an inverter (8) that converts the DC power to AC power and supplies the converted AC power to a load (14); a DC link (5) connected between the converter (4) and the invert...

This power conversion system includes a transformer, N first inverters, N second inverters, and a control unit. The transformer has 2N-system primary windings for three-phase alternating current and a 1-system secondary winding for three-phase alternating current. The control unit controls each of the inverters by P...

In the present invention, at a transition time point at which a transition has occurred from rolling to an idling state, a rolling/idling prediction unit predicts the time it will take for a next material to be rolled to reach a roller. A cooling water quantity monitor unit acquires a quantity of cooling water being...

Provided is an EV charging/discharging system comprising: a plurality of charging/discharging stands that are detachably connected to an EV so as to perform charging and discharging of a power storage device mounted on the connected EV; a plurality of bidirectional converters that are provided to correspond to the p...

The art of the present disclosure is applied to a control system for a continuous rolling machine comprising a rolling stand. The control system according to the present disclosure comprises a storage device for holding training data calculated on the basis of time-series data acquired during rolling. The control sy...

An uninterruptible power supply device (U) is provided with at least one power converter (1, 4, 5), a plurality of processors (7-12), a memory (15), and a memory access controller (13). The first processor (7) controls the at least one power converter (1, 4, 5) on the basis of information read from the memory (15), ...

A preventive maintenance system according to an embodiment of the present invention comprises: an induction heating device having an inductor including a coil that heats a material to be heated by electromagnetic induction of a high-frequency current from an inverter; a voltage detector that detects and outputs a vo...

The inside and the outside of an inverter unit of a power conversion device according to the present embodiment are partitioned by a partition plate. The partition plate is provided with a round hole, and a cylindrical capacitor case is threaded through the round hole. A gap between the edge of the round hole in the...

A web-based HMI subsystem according to one embodiment of the present disclosure checks whether or not program update numbers match between a SCADA web program that is running on a web browser of a client and a SCADA web program that is installed on a SCADA server. If a discrepancy between the program update numbers ...

In the present invention, during rolling, a first actual results collection unit collects first exit-side sheet thickness measured values at a first management point of a rolling material, and rolling load measured values for each stand. During the rolling of the rolling material, a second actual results collection ...

A power conversion device control device comprising: an effective power calculation section that acquires an electric current value and a voltage value measured on an AC side of a power conversion device, and calculates an effective power value, which is a measurement value for the effective power output by the powe...

This power conditioner performs coordinate conversion of a voltage detection value indicating the detection value of the output voltage of an inverter into a d-axis voltage detection value and a q-axis voltage detection value. The power conditioner performs coordinate conversion of a current detection value indicati...

A SCADA system according to one embodiment of the present disclosure comprises: a plurality of clients that can be connected to each of a plurality of SCADA servers; and an engineering tool that generates a static priority list specifying the static priority of connection with each SCADA server for at least one of t...

A rotating electric machine (10) includes a stator (11), a shaft (14), a rotor core (31), a plurality of rotor conductors (32), an end ring (34), and a flow-straightening member (61). The rotor conductors (32) are arranged at intervals in a circumferential direction of the rotation center axis (Ax). Each of the ...

An AC input filter (2) includes a first reactor (12RA) having a first terminal connected to a second terminal of a switch (1) and a second reactor (12RB) having a first terminal connected to the second terminal of the switch (1). A converter (3) includes a first multilevel circuit (3A) connected between a second ter...

A controller according to one embodiment of the present invention is for a power conversion device comprising: a semiconductor switching element that generates heat by power conversion; a heat sink of the semiconductor switching element; and a cooling mechanism that cools the heat sink. The controller includes an el...

An uninterruptible power source device (10) is connected to an AC system (1) and a DC grid (6). The DC grid (6) includes a DC bus (7) connected to the AC system (1) through an AC/DC converter (5), a distributed power source (61) that outputs the generated DC power to the DC bus, and a DC load (65) that receives the ...

An insulating tape according to an embodiment includes a glass base material layer, a mica layer, and a film base material layer, and the glass base material layer, the mica 5 layer, and the film base material layer are stacked with adhesive layers interposed therebetween.