JP2014036466A5 - Power management apparatus, power management system and method - Google Patents

Claims (7)

A communication unit that communicates with a plurality of electric devices, receives operation information indicating an operation state of each electric device and power information relating to power consumption of each electric device, and transmits an instruction to change the operation state of the electric device;
A power consumption data storage unit that pre-stores information related to power consumption associated with operating states that can be taken by each electrical device;
A total power consumption calculation unit that calculates total power consumption as the total power consumption of each electrical device;
A comparison unit for comparing whether the total power consumption exceeds a predetermined allowable power consumption;
A cooperative operation control unit that controls to issue an instruction to change the operation state of each electrical device when the total power consumption exceeds the allowable power consumption,
The total power consumption calculation unit obtains the total power consumption after transition based on the transitioned operation state in response to the communication unit receiving operation information notifying that the operation state of any electrical device changes. ,
When the total power consumption after the transition exceeds the allowable power consumption, the cooperative operation control unit shifts or stops the operation state of at least some of the plurality of electrical devices to lower power consumption. A power management apparatus that extracts a plurality of combinations of operating states of the electrical equipment such that the total power consumption is less than or equal to the permissible power consumption, and controls the plurality of electrical equipments with the extracted combinations of operating states .   The total power consumption calculation unit refers to the power consumption data storage unit in response to operation information indicating that the operation state of any of the electrical devices changes, and based on the power consumption associated with the operation state after the transition The power management apparatus according to claim 1, wherein the total power consumption after migration is acquired. It further includes a total power consumption measurement unit that measures the total power consumption in the house,
The total power consumption calculation unit refers to the total power consumption measured by the total power consumption measurement unit after the transition in response to the operation information indicating that the operation state of any electrical device is changed, and determines the total power consumption after the transition. The power management apparatus according to claim 1 to be acquired. Each electric device and / or each operation state is pre-assigned with either a steady operation type that operates normally or a temporary operation type that operates temporarily,
When the total power consumption after the transition exceeds the allowable power consumption due to a change in the operation state of the temporary operation type electric device, the cooperative operation control unit operates at a lower power consumption only for each of the steady operation type electric devices. When a transition is made to a state, a combination of operating states of each electrical device is extracted so that the total power consumption after the transition falls within the allowable power consumption, and when multiple combinations can be extracted, the operation of each electrical device The power management apparatus according to claim 1, wherein the power management apparatus controls the state to change. Among the temporary operation type electrical devices, the sequential operation type attribute is further given to the electrical devices that operate by sequentially switching the series of operation states and / or the series of operation states.
In the case where the total power consumption after the transition exceeds the allowable power consumption due to the change in the operation state of the sequential operation type electrical device, the cooperative operation control unit is configured for any one of the sequential operation type electrical devices. When waiting for the transition of the operating state, extract one operating state combination of each electrical device so that the total power consumption after the transition is within the allowable power consumption, and based on the extracted combination, The power management apparatus according to claim 4, wherein the power management apparatus controls the operation state of the electric device so as to change over time.   A power management system comprising the power management apparatus according to claim 1. A method for storing information related to power consumption associated with operating states of a plurality of electrical devices in a storage unit and controlling the plurality of electrical devices,
When information notifying that the operating state of any of the plurality of electrical devices changes is calculated, the total power consumption that is the sum of the power consumption of the plurality of electrical devices including the changed operating state of the electrical device is calculated. And
If the total power consumption exceeds a predetermined allowable power consumption, the total operation when the operating state of at least some of the plurality of electrical devices is shifted to lower power consumption or stopped. A method of extracting a plurality of combinations of operating states of the electrical equipment such that power consumption is less than or equal to the allowable power consumption, and controlling the plurality of electrical appliances based on the combinations of the extracted operating states.