Abstract: [Object] To correct a power consumption record in a period in which energy-saving control is performed and a power consumption record in a period in which the energy-saving control is not performed in accordance with a purpose of the comparison, and to enable evaluation of power consumption from various viewpoints. [Solution] A terminal device configured to evaluate power consumption of equipment includes a communication control unit configured to acquire a power consumption record of the equipment, and a processing unit configured to output data related to power consumption records before and after an energy-saving operation of the equipment.

Abstract: An electronic device including a plurality of sensing pixel circuits is provided. At least one of the sensing pixel circuits includes a photoelectric sensing element, a first transistor device, a second transistor device, a third transistor device and a fourth transistor device. The fourth transistor device includes a first end, a second end and a control end. The first end of the fourth transistor device is coupled to a first end of the first transistor device. The second end of the fourth transistor device is coupled to a bias voltage. The control end of the fourth transistor device is coupled to a scan line. The fourth transistor device serves as a current sink in a pre-trap 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 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: [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: 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 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 air conditioning system includes a refrigerant circuit including a compressor, an indoor heat exchanger, a first expansion valve, a gas-liquid separator, a second expansion valve, and an outdoor heat exchanger which are sequentially connected together to perform a two-stage expansion refrigeration cycle. The refrigerant circuit further includes: a gas injection pipe through which intermediate-pressure gas refrigerant in the gas-liquid separator flows into an intermediate port of the compressor, and a liquid-gas heat exchanger configured to exchange heat between low-pressure gas refrigerant obtained by evaporating refrigerant in the outdoor heat exchanger and travelling toward the compressor and intermediate-pressure liquid refrigerant travelling from the gas-liquid separator toward the second expansion valve.

Abstract: In an air conditioner which is a refrigerating apparatus, a superheat degree controller is provided, which is configured to control, in an evaporation mode of an outdoor heat exchanger, the opening degree of an expansion valve such that the superheat degree of refrigerant whose flows are joined together after passing through a main heat exchange part and an auxiliary heat exchange part reaches a predetermined superheat degree. Moreover, in the air conditioner, a flow volume adjustment valve configured to adjust, in the evaporation mode of the outdoor heat exchanger, a flow ratio of refrigerant in the heat exchange parts and a flow ratio controller configured to control the flow volume adjustment valve such that refrigerant temperatures after passage through the heat exchange parts are substantially equal to each other are provided.

Abstract: In an air conditioner which is a refrigerating apparatus, a superheat degree controller is provided, which is configured to control, in an evaporation mode of an outdoor heat exchanger, the opening degree of an expansion valve such that the superheat degree of refrigerant whose flows are joined together after passing through a main heat exchange part and an auxiliary heat exchange part reaches a predetermined superheat degree. Moreover, in the air conditioner, a flow volume adjustment valve configured to adjust, in the evaporation mode of the outdoor heat exchanger, a flow ratio of refrigerant in the heat exchange parts and a flow ratio controller configured to control the flow volume adjustment valve such that refrigerant temperatures after passage through the heat exchange parts are substantially equal to each other are provided.

Abstract: A refrigerant circuit performs a cool storage operation in which a thermal storage medium is circulated such that a refrigerant having been condensed in an air heat exchanger and passed through an auxiliary heat exchanger is evaporated in the thermal storage heat exchanger. In a thermal storage circuit during the cool storage operation of the refrigerant circuit, the thermal storage medium is circulated such that the thermal storage medium having flowed out from an outlet of a thermal storage tank sequentially passes through the auxiliary heat exchanger, a retention portion, and the thermal storage heat exchanger and flows into an inlet of the thermal storage tank. The retention portion retains crystals contained in the thermal storage medium.

Abstract: A hot water supply air conditioning system performs a first cold-storage operation, a second cold-storage operation, and a cold-used air-cooling operation. In the first cold-storage operation, a hot-water-supply-side heat exchanger serves as a condenser, and a thermal-storage-side heat exchanger serves as an evaporator. Moreover, a hot water supplier heats water of a hot water storage tank, and a thermal storage stores cold thermal energy in a thermal storage tank. In the second cold-storage operation, a heat-source-side heat exchanger serves as a condenser, and the thermal-storage-side heat exchanger serves as an evaporator. Moreover, the thermal storage stores cold thermal energy in the thermal storage tank. In the cold-used air-cooling operation, the hot water supply air conditioning system cools room air using cold thermal energy stored in the thermal storage tank.

Abstract: An air conditioning system includes a refrigerant circuit including a compressor, an indoor heat exchanger, a first expansion valve, a gas-liquid separator, a second expansion valve, and an outdoor heat exchanger which are sequentially connected together to perform a two-stage expansion refrigeration cycle. The refrigerant circuit further includes: a gas injection pipe through which intermediate-pressure gas refrigerant in the gas-liquid separator flows into an intermediate port of the compressor, and a liquid-gas heat exchanger configured to exchange heat between low-pressure gas refrigerant obtained by evaporating refrigerant in the outdoor heat exchanger and travelling toward the compressor and intermediate-pressure liquid refrigerant travelling from the gas-liquid separator toward the second expansion valve.

Abstract: In a refrigerant circuit (5) of an air conditioner (1), a single-stage compression refrigeration cycle is performed. In the refrigerant circuit (5), a second heat exchanger (40) is provided downstream a first heat exchanger (30). In the first heat exchanger (30), high-pressure refrigerant of a high-pressure flow path (31) is cooled by exchanging heat with first intermediate-pressure refrigerant of an intermediate-pressure flow path (32). First intermediate-pressure gas refrigerant generated in the first heat exchanger (30) is supplied to a first compression mechanism (71). Second intermediate-pressure refrigerant having a pressure lower than that of the first intermediate-pressure refrigerant is supplied to an intermediate-pressure flow path (42) of the second heat exchanger (40). In the second heat exchanger (40), high-pressure refrigerant of a high-pressure flow path (41) is further cooled by exchanging heat with the second intermediate-pressure refrigerant of the intermediate-pressure flow path (42).

Abstract: In a refrigeration apparatus (20), refrigerant mixture in which the C3HmFn refrigerant represented by Molecular Formula 1: C3HmFn (note that “m” and “n” are integers equal to or greater than 1 and equal to or less than 5, and a relationship represented by an expression m+n=6 is satisfied) and having a single double bond in a molecular structure is equal to or greater than 70% by mass and equal to or less than 94% by mass, and the proportion of HFC refrigerant is equal to or greater than 6% by mass and equal to or less than 30% by mass; refrigerant mixture containing the C3HmFn refrigerant and particular refrigerant such as hydrocarbons; or refrigerant mixture containing 2,3,3,3-tetrafluoro-1-propene and carbon dioxide is used.