Abstract: A power management server includes a receiver for receiving, from an upper management server, an adjustment request for requesting a fluctuation adjustment of a frequency of a power grid for each fluctuation cycle of an adjustment target, a transmitter for transmitting, to an adjustment power supply, an adjustment instruction for instructing the fluctuation adjustment of the frequency of the power grid according to the fluctuation cycle of the adjustment target requested by the adjustment request, a management unit for managing a correspondence relationship between the fluctuation cycle of the adjustment target instructed by the adjustment instruction and the adjustment power supply, and a controller for determining an adjustment power supply to which the adjustment instruction is to be transmitted based on the correspondence relationship.

Abstract: The present invention provides a far-infrared radiation heating furnace for steel sheets for hot stamping configured to inhibit thermal deformation of the furnace body and furnace body parts. A far-infrared radiation heating furnace (10) includes heating units (13-1) to (13-6), a ceiling unit (19), and a furnace body frame (12) made of steel, the heating units including: blocks made of a thermal insulation material, the blocks being disposed around horizontal planes of spaces for accommodating the steel sheets for hot stamping; and far-infrared radiation heaters positioned above and below the steel sheets for hot stamping to heat the steel sheets for hot stamping, the furnace body frame being disposed around the heating units and the ceiling unit. The furnace body frame includes spacers (17-1) to (17-7) that space the heating units and the ceiling unit apart from the furnace body frame and support them.

Abstract: A fuel cell system comprises a controller configured to determine whether a condition relating to a stop pattern of the fuel cell system satisfies a predetermined condition, and an output unit configured to output a warning when it is determined that the condition relating to the stop pattern satisfies the predetermined condition.

Abstract: A power management system includes a first receiver for receiving information specifying reverse power flow from a base power meter measuring at least the reverse power flow output from a facility to a power grid, a second receiver for receiving information specifying each of individual output powers of two or more adjustment power supplies provided in the facility, and a controller for specifying each of individual reverse power flows of the two or more adjustment power supplies managed as the reverse power flow. The controller specifies individual reverse power flows of the two or more adjustment power supplies, by executing a correction process of correcting a discrepancy between a sum of the individual output powers of the two or more adjustment power supplies and the reverse power flow based on the individual output powers of the two or more adjustment power supplies.

Abstract: A power management server includes a receiver for receiving, from an upper management server, an adjustment request for requesting a fluctuation adjustment of a frequency of a power grid for each fluctuation cycle of an adjustment target, a transmitter for transmitting, to an adjustment power supply, an adjustment instruction for instructing the fluctuation adjustment of the frequency of the power grid according to the fluctuation cycle of the adjustment target requested by the adjustment request, a management unit for managing a correspondence relationship between the fluctuation cycle of the adjustment target instructed by the adjustment instruction and the adjustment power supply, and a controller for determining an adjustment power supply to which the adjustment instruction is to be transmitted based on the correspondence relationship.

Abstract: Provided is a cogeneration system that includes a plurality of fuel cell devices capable of supplying heat and power to a heat load and a power load and a control device connected to the fuel cell devices. The control device determines an operation mode on the basis of at least one of a heat demand value and a power demand value. The control device controls a power generation efficiency and a heat recovery efficiency by controlling the fuel cell devices on the basis of the operation mode determined.

Abstract: A fuel cell system comprises an interface configured to receive a user operation toward the fuel cell system, and a controller configured to perform a predetermined process related to a reception stop of the user operation at least during a period from a start to an end of a stop operation of the fuel cell system.

Abstract: A fuel cell system comprises a controller configured to manage information related to a number of stop times of the fuel cell system, and an output unit configured to output the information related to the number of stop times.

Abstract: A fuel cell system comprises a controller configured to determine whether a condition relating to a stop pattern of the fuel cell system satisfies a predetermined condition, and an output unit configured to output a warning when it is determined that the condition relating to the stop pattern satisfies the predetermined condition.

Abstract: An equipment management method comprises a step A of receiving, from a fuel cell system to an equipment management apparatus, a state message including an information element indicating a state of the fuel cell system; and a step B of transmitting, from the equipment management apparatus to a predetermined terminal, a notification message based on the state message, wherein the notification message includes an information element for specifying a recommended time for which maintenance of the fuel cell system is recommended to be executed.

Abstract: A storage cell is driven more flexibly with respect to the power supply state of a commercial grid. A power control apparatus (1) connects to a grid, is capable of controlling charging and discharging of a storage cell (22), and includes a controller (11) that performs leveling control to reduce a difference from a power purchase amount, which is established in a power purchase plan, by controlling charging and discharging of the storage cell (22). The controller (11) further performs control, upon acquiring a demand response request issued over a network, to make a comparison between the current amount of stored power in the storage cell (22) and the necessary amount of stored power for complying with the demand response request and to set a target power for power purchase in the leveling control on the basis of the result of the comparison.

Abstract: Provided is a cogeneration system that includes a plurality of fuel cell devices capable of supplying heat and power to a heat load and a power load and a control device connected to the fuel cell devices. The control device determines an operation mode on the basis of at least one of a heat demand value and a power demand value. The control device controls a power generation efficiency and a heat recovery efficiency by controlling the fuel cell devices on the basis of the operation mode determined.

Abstract: A management server comprises a transmitter configured to transmit a power instruction message; and a receiver configured to receive, from a facility, a response message or a report message with respect to an inquiry message. The transmitter is further configured to transmit the power instruction message based on the response message or the report message.

Abstract: A management server comprises a transmitter configured to transmit a power instruction message to a facility; and a manager configured to manage at least one of suppression influence information and storage apparatus information, the suppression influence information affecting a suppression of a forward power flow amount from a power grid to the facility or a reverse power flow amount from the facility to the power grid, the storage apparatus information being related to an energy storage apparatus installed in the facility. The transmitter is further configured to transmit the power instruction message to the facility, based on at least one of the suppression influence information and the storage apparatus information.

Abstract: A storage cell is driven more flexibly with respect to the power supply state of a commercial grid. A power control apparatus (1) connects to a grid, is capable of controlling charging and discharging of a storage cell (22), and includes a controller (11) that performs leveling control to reduce a difference from a power purchase amount, which is established in a power purchase plan, by controlling charging and discharging of the storage cell (22). The controller (11) further performs control, upon acquiring a demand response request issued over a network, to make a comparison between the current amount of stored power in the storage cell (22) and the necessary amount of stored power for complying with the demand response request and to set a target power for power purchase in the leveling control on the basis of the result of the comparison.

Abstract: The present invention provides a far-infrared radiation heating furnace for steel sheets for hot stamping configured to inhibit thermal deformation of the furnace body and furnace body parts. A far-infrared radiation heating furnace (10) includes heating units (13-1) to (13-6), a ceiling unit (19), and a furnace body frame (12) made of steel, the heating units including: blocks made of a thermal insulation material, the blocks being disposed around horizontal planes of spaces for accommodating the steel sheets for hot stamping; and far-infrared radiation heaters positioned above and below the steel sheets for hot stamping to heat the steel sheets for hot stamping, the furnace body frame being disposed around the heating units and the ceiling unit. The furnace body frame includes spacers (17-1) to (17-7) that space the heating units and the ceiling unit apart from the furnace body frame and support them.

Abstract: Provided are an amplification circuit capable of amplifying an input signal having a changing duty ratio with high efficiency, and a transmission device and a communication device using the amplification circuit. The amplification circuit includes: a transistor circuit (10) having a pulse wave first signal having a changing duty ratio input, and a second signal obtained by amplifying the pulse wave first signal output; and a matching circuit (20) having the second signal input and a third signal having a fundamental frequency of the pulse wave first signal output. An impedance of the matching circuit (20) as seen from the transistor circuit side changes in accordance with the duty ratio of the pulse wave first signal. The transmission device and the communication device each use the amplification circuit.

Abstract: A method of surface treatment for a lens of a vehicle lamp. The method comprises forming a hard coating film on a outer surface of the lens by heating to harden after the hard coating film is applied onto the outer surface of the lens; cooling the lens formed with the hard coating film until the inner surface of the lens has a predetermined temperature; and forming a antifogging coating film on a inner surface of the lens by heating to dry after the antifogging coating film is applied onto the inner surface of the lens.

Abstract: A vehicle lamp having a front lens with marks formed by irradiating a laser beam on a surface of the lens is disclosed. The laser beam forms the shapes of a mark, and the mark includes recess grooves. Thus, even in cases where the mark is different in displayed content according to the destination of the lamp, for example, and a lamp certification mark must be formed at the same position of the front lens, the mark can be readily formed by suitably performing irradiation control of the laser beam. The method prevents formation of an outline due to a removable mold insert that appears on the inner surface of the front lens and marks formed in a conventional manner in which the removable insert is used to accommodate the changes of the mark displayed content.

Abstract: A method of surface treatment for a lens of a vehicle lamp. The method comprises forming a hard coating film on a outer surface of the lens by heating to harden after the hard coating film is applied onto the outer surface of the lens; cooling the lens formed with the hard coating film until the inner surface of the lens has a predetermined temperature; and forming a antifogging coating film on a inner surface of the lens by heating to dry after the antifogging coating film is applied onto the inner surface of the lens.