Abstract: The optical module includes a housing, a lid that closes an opening of the housing, an optical component arranged inside the housing, and a printed circuit board arranged on a front surface of the lid outside the housing so as to be used as a board on which a control circuit that controls the optical component is mounted. The optical module further includes a side electrode that is provided on a side surface of the housing and configured to be electrically connected to an electrode of the optical component; and a flexible substrate that provides electrical connection between the side electrode and an electrode of the control circuit. The optical module can be miniaturized by integrating the optical component and the control circuit.

Abstract: [Object] To suppress increase in load on a calculator for processing electricity charges, in a case in which an electricity retailer that purchased power of which the price fluctuates sells power on the basis of metered charges in accordance with an amount of power usage of a consumer, by controlling facility equipment of the consumer on the basis of a relation between purchase prices and metered charges of the power.

Abstract: [Object] To control (limit) the power usage of a group including a plurality of consumers so as to reduce failures caused by communication between a server serving as a controller and a consumer facility to be controlled. [Solution] A power control system for performing power control such that a target power set for a group including a plurality of consumers is not exceeded includes a server 300 that generates control information, and a control device 100 that controls power usage of an equipment device 200 in accordance with the control information. The server 300 sets a limit value of power usage of each consumer in the group, generates control information including the limit value, and transmits, before a corresponding time period starts, the generated control information to the control device 100 that performs control.

Abstract: A system that performs power control such that a target value set for a group including a plurality of consumers is not exceeded includes a first prediction unit that acquires a predicted value of power usage for each of the plurality of consumers, and a limit value setting unit that sets a limit value correlated with available power set for each consumer for a specific time period. The limit value setting unit sets the limit value such that when a predicted value of each of the plurality of consumers for the specific time period is relatively small, a value obtained by dividing the limit value by the predicted value is larger than when the predicted value is relatively large.

Abstract: [Object] To control the power usage by plural facilities such that information related to the power usage is acquired from equipment devices and the power usage per equipment device is accurately predicted based on the acquired information. [Solution] A power control system for performing power control such that a total power usage of plural facilities satisfies a predetermined power usage condition, the power control system including an actual result information acquisition unit 360 that acquires information on power usages by equipment devices installed in the facilities; a first prediction unit 320 that predicts power usages of the facilities in which the equipment devices are installed, based on the information on the power usages by the equipment devices; and a control information generation unit 340 that controls the total power usage of the plural facilities, based on the power usages of the facilities predicted by the first prediction unit 320.

Abstract: [Object] To control power usage by a group including a plurality of consumers by performing additional adjustment according to a specific operation condition of each individual piece of consumer equipment and appropriately controlling power usage per piece of consumer equipment.

Abstract: [Object] To control power usage of a group including a plurality of units of power consumption such that control for each unit of power consumption is adjusted in accordance with the use of power by each individual unit of power consumption over each time period to reduce unused power in the entire group. [Solution] A power control system of the present disclosure is a power control system for performing power control such that a target power set for a group including a plurality of units of power consumption is not exceeded, the system including a limit value setting unit 330 that sets, for each of the units of power consumption, a limit value of power usage for a predetermined time period, based on the target power; and a limit value adjustment unit 370 that adjusts, within the predetermined time period, the limit value of each of the units of power consumption for the predetermined time period, based on an actual result of power usage within the predetermined time period.

Abstract: [Object] To suppress increase in load on a calculator for processing electricity charges, in a case in which an electricity retailer that purchased power of which the price fluctuates sells power on the basis of metered charges in accordance with an amount of power usage of a consumer, by controlling facility equipment of the consumer on the basis of a relation between purchase prices and metered charges of the power.

Abstract: [Object] To realize control that, in control of facility equipment, reduces electricity charges, taking into consideration fluctuation in power amount charge unit prices, and also a relation between a prediction value of power usage and a greatest value in a relevant period. [Solution] A control device that generates control information for controlling facility equipment of a consumer includes an information acquisition unit that acquires information of a power amount charge unit price that fluctuates and information of power usage of the consumer, and a control information generating unit that, on the basis of the power amount charge unit price in an object interval that is an interval in which control of the facility equipment is performed and information of power usage of the consumer in an interval after the object interval, generates control information for the facility equipment of the consumer in the object interval.

Abstract: An operation control system includes a storage unit that stores electric-power information, and a determination unit. The determination unit determines, based on the electric-power information, a special-operation timing at which a special operation of a refrigerant cycle apparatus installed in at least one property or at least one area is to be executed. The electric-power information includes at least one of electric-power supply demand adjustment request information related to an electric-power supply demand adjustment request from an outside to the property or the area, and electric-power market price information related to an electric-power market price. The special operation includes at least one of a cooling-time oil return operation during a cooling operation of the refrigerant cycle apparatus, a heating-time oil return operation during a heating operation of the refrigerant cycle apparatus, and a defrosting operation during a heating operation of the refrigerant cycle apparatus.

Abstract: A method of assembling a railcar bogie includes: a positioning step of locking a wheelbase fixing jig to a pair of axle box devices to position the pair of axle box devices such that a wheelbase between a pair of wheelsets supported by the respective axle box devices becomes a predetermined designed value, the pair of axle box devices being arranged away from each other in a car longitudinal direction, the wheelbase fixing jig extending in the car longitudinal direction; a plate spring arranging step of making the pair of axle box devices support a plate spring extending in the car longitudinal direction; and a bogie frame arranging step of making a longitudinal direction middle portion of the plate spring support a bogie frame and coupling the bogie frame to the pair of axle box devices.

Abstract: The optical module includes a housing, a lid that closes an opening of the housing, an optical component arranged inside the housing, and a printed circuit board arranged on a front surface of the lid outside the housing so as to be used as a board on which a control circuit that controls the optical component is mounted. The optical module further includes a side electrode that is provided on a side surface of the housing and configured to be electrically connected to an electrode of the optical component; and a flexible substrate that provides electrical connection between the side electrode and an electrode of the control circuit. The optical module can be miniaturized by integrating the optical component and the control circuit.

Abstract: A method of assembling a railcar bogie includes: a positioning step of locking a wheelbase fixing jig to a pair of axle box devices to position the pair of axle box devices such that a wheelbase between a pair of wheelsets supported by the respective axle box devices becomes a predetermined designed value, the pair of axle box devices being arranged away from each other in a car longitudinal direction, the wheelbase fixing jig extending in the car longitudinal direction; a plate spring arranging step of making the pair of axle box devices support a plate spring extending in the car longitudinal direction; and a bogie frame arranging step of making a longitudinal direction middle portion of the plate spring support a bogie frame and coupling the bogie frame to the pair of axle box devices.

Abstract: The control section implements: a utilization cooling operation in which the thermal storage medium absorbs heat from the refrigerant and in which the refrigerant evaporates in the indoor heat exchanger, when the receiving section receives a first signal indicating a request for reduced use of power during an operation in which the room is cooled by the refrigerant evaporating in the indoor heat exchanger; and a cooling and cold thermal energy storage operation in which the refrigerant absorbs heat from the thermal storage medium and in which the refrigerant evaporates in the indoor heat exchanger, when the receiving section receives a second signal indicating a request for accelerated use of power during the operation in which the room is cooled by the refrigerant evaporating in the indoor heat exchanger.

Abstract: To avoid decline in the efficiency of a compressor at a low load, a thermal storage air conditioner has a refrigerant circuit (11) which has a compressor (22), an outdoor heat exchanger (23), and an indoor heat exchanger (72) and performs a refrigeration cycle, and a thermal storage section (60) which has a thermal storage medium and exchanges heat between the thermal storage medium and a refrigerant of the refrigerant circuit (11). The thermal storage air conditioner performs a simple cooling operation in which in the refrigerant circuit (11), the refrigerant is condensed in the outdoor heat exchanger (23) and evaporates in the indoor heat exchanger (72), and a cooling and cold thermal energy storage operation in which in the refrigerant circuit (11), the refrigerant is condensed in the outdoor heat exchanger (23) and evaporates in the indoor heat exchanger (72), and in which the thermal storage medium in the thermal storage section (60) is cooled by the refrigerant.

Abstract: To avoid decline in the efficiency of a compressor at a low load, the thermal storage air conditioner has an operation controller which, if a rotational speed of the compressor is slowed down to a predetermined lower reference value in a simple cooling operation, switches operation of the thermal storage air conditioner from the simple cooling operation to a cooling and cold thermal energy storage operation to increase the rotational speed of the compressor. During the simple cooling operation refrigerant is condensed in the outdoor heat exchanger and evaporates in the indoor heat exchanger, and during a cooling and cold thermal energy storage operation the refrigerant is condensed in the outdoor heat exchanger, evaporates in the indoor heat exchanger, and the thermal storage medium in the thermal storage section is cooled by the refrigerant.

Abstract: To avoid decline in the efficiency of a compressor at a low load, a thermal storage air conditioner has a refrigerant circuit (11) which has a compressor (22), an outdoor heat exchanger (23), and an indoor heat exchanger (72) and performs a refrigeration cycle, and a thermal storage section (60) which has a thermal storage medium and exchanges heat between the thermal storage medium and a refrigerant of the refrigerant circuit (11). The thermal storage air conditioner performs a simple cooling operation in which in the refrigerant circuit (11), the refrigerant is condensed in the outdoor heat exchanger (23) and evaporates in the indoor heat exchanger (72), and a cooling and cold thermal energy storage operation in which in the refrigerant circuit (11), the refrigerant is condensed in the outdoor heat exchanger (23) and evaporates in the indoor heat exchanger (72), and in which the thermal storage medium in the thermal storage section (60) is cooled by the refrigerant.

Abstract: A process for producing a fluororesin in which a low-boiling component is reduced, by subjecting a melt-formable fluororesin to melt-kneading treatment by a twin screw extruder 10, wherein the twin screw extruder 10 has at least one melting zone, a set temperature of a most upstream first melting zone Z1 among melting zones is the melting point of the fluororesin +25 to 100° C., a vacuum degree at a vent port of the vacuum vent 14 is at most ?0.07 MPa [gage], and a melt mass-flow rate ?2 (g/10 min) of the fluororesin after the melt-kneading treatment at a specific temperature under a specific load, to a melt mass-flow rate ?1 (g/10 min) of the fluororesin before the melt-kneading treatment at the same temperature under the same specific load satisfy ?1<?2??1+14.

Abstract: To avoid decline in the efficiency of a compressor at a low load, a thermal storage air conditioner has a refrigerant circuit (11) which has a compressor (22), an outdoor heat exchanger (23), and an indoor heat exchanger (72) and performs a refrigeration cycle, and a thermal storage section (60) which has a thermal storage medium and exchanges heat between the thermal storage medium and a refrigerant of the refrigerant circuit (11). The thermal storage air conditioner performs a simple cooling operation in which in the refrigerant circuit (11), the refrigerant is condensed in the outdoor heat exchanger (23) and evaporates in the indoor heat exchanger (72), and a cooling and cold thermal energy storage operation in which in the refrigerant circuit (11), the refrigerant is condensed in the outdoor heat exchanger (23) and evaporates in the indoor heat exchanger (72), and in which the thermal storage medium in the thermal storage section (60) is cooled by the refrigerant.

Abstract: The control section implements: a utilization cooling operation in which the thermal storage medium absorbs heat from the refrigerant and in which the refrigerant evaporates in the indoor heat exchanger, when the receiving section receives a first signal indicating a request for reduced use of power during an operation in which the room is cooled by the refrigerant evaporating in the indoor heat exchanger; and a cooling and cold thermal energy storage operation in which the refrigerant absorbs heat from the thermal storage medium and in which the refrigerant evaporates in the indoor heat exchanger, when the receiving section receives a second signal indicating a request for accelerated use of power during the operation in which the room is cooled by the refrigerant evaporating in the indoor heat exchanger.