US 2025/0027976 A1 · ELECTRIC POWER CONSUMPTION ESTIMATION APPARATUS, NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM, AND ELECTRIC POWER CONSUMPTION ESTIMATION METHOD

Abstract

An electric power consumption estimation apparatus includes: a total electric power consumption data acquisition unit that acquires total electric power consumption data indicative of a total electric power consumption from an electric power meter; an operating state data acquisition unit that acquires operating state data indicative of whether or not each of the plurality of devices is in an operating state, from each of the devices; an average electric power consumption analysis unit that estimates an average electric power consumption of each of the plurality of devices from the total electric power consumption and whether or not each of the devices is in the operating state; and an electric power consumption calculation unit that calculates a device electric power consumption, which is the electric power consumption of each of the plurality of devices for each predetermined period by using the average electric power consumption.

Claims24

Dependent claims

An electric power consumption estimation apparatus, comprising:

processing circuitry
to acquire total electric power consumption data indicative of a total electric power consumption from an electric power meter, the electric power meter being configured to measure a sum of electric power consumptions of a plurality of devices as the total electric power consumption for each predetermined period;
to acquire operating state data indicative of whether or not each of the plurality of devices is in an operating state, from each of the devices;
to estimate an average electric power consumption of each of the plurality of devices from the total electric power consumption and whether or not each of the devices is in the operating state;
and
to calculate a device electric power consumption by using the average electric power consumption, the device electric power consumption being an electric power consumption of each of the plurality of devices for each period, wherein
the processing circuitry calculates an electric power consumption matrix by using an equation, the equation stating that a product of the electric power consumption matrix and a coefficient matrix results in an observation matrix, the electric power consumption matrix having the average electric power consumption of each of the plurality of devices as a component thereof, the coefficient matrix having, as components thereof, values indicative of the plurality of devices and of whether or not the devices are in the operating state corresponding to the period, the observation matrix having the total electric power consumption corresponding to the period as components thereof.

4 more elements

An electric power consumption estimation apparatus, comprising:

processing circuitry
to acquire total electric power consumption data indicative of a total electric power consumption from an electric power meter, the electric power meter being configured to measure a sum of electric power consumptions of a plurality of devices as the total electric power consumption for each predetermined period, the plurality of devices including an electric power generating device configured to generate electric power;
to acquire operating state data indicative of whether or not each of the plurality of devices is in an operating state, from each of the devices;
to estimate an average electric power consumption of each of the plurality of devices from the total electric power consumption and whether or not each of the devices is in the operating state;
and
to calculate a device electric power consumption by using the average electric power consumption, the device electric power consumption being an electric power consumption of each of the plurality of devices for each period, wherein
the processing circuitry adds a predetermined offset value to the total electric power consumption, then estimates the average electric power consumption of each of the plurality of devices from the total electric power consumption to which the offset value is added and whether or not the devices are in the operating state, and subtracts the offset value from the device electric power consumption of the electric power generating device.

4 more elements

An electric power consumption estimation apparatus, comprising:

processing circuitry
to acquire total electric power consumption data indicative of a total electric power consumption from an electric power meter, the electric power meter being configured to measure a sum of electric power consumptions of a plurality of devices as the total electric power consumption for each predetermined period;
to acquire operating state data indicative of whether or not each of the plurality of devices is in an operating state, from each of the devices;
to estimate an average electric power consumption of each of the plurality of devices from the total electric power consumption and whether or not each of the devices is in the operating state;
and
to calculate a device electric power consumption by using the average electric power consumption, the device electric power consumption being an electric power consumption of each of the plurality of devices for each period, wherein
the processing circuitry calculates an electric power consumption matrix by using an equation, the equation stating that a product of the electric power consumption matrix and a coefficient matrix results in an observation matrix, the electric power consumption matrix having the average electric power consumption of each of the plurality of devices as a component thereof, the coefficient matrix having, as components thereof, values obtained by averaging, over a time frame longer than the period, values indicative of the plurality of devices and of whether or not the devices are in the operating state corresponding to the period, the observation matrix having an average total electric power consumption obtained by averaging the total electric power consumptions in the periods included in the time frame as components thereof.

4 more elements

An electric power consumption estimation apparatus, comprising:

processing circuitry
to acquire total electric power consumption data indicative of a total electric power consumption from an electric power meter, the electric power meter being configured to measure a sum of electric power consumptions of a plurality of devices as the total electric power consumption for each predetermined period;
to acquire operating state data indicative of whether or not each of the plurality of devices is in an operating state, from each of the devices;
to estimate an average electric power consumption of each of the plurality of devices from the total electric power consumption and whether or not each of the devices is in the operating state;
and
to calculate a device electric power consumption by using the average electric power consumption, the device electric power consumption being an electric power consumption of each of the plurality of devices for each period, wherein
the processing circuitry calculates an electric power consumption matrix by using an equation and the device electric power consumption by multiplying the average electric power consumption by a value indicative of whether or not the device is in the operating state and then adding, to said obtained value, a value which becomes larger as the variance increases, the equation stating that a product of the electric power consumption matrix and a coefficient matrix results in an observation matrix, the electric power consumption matrix having the average electric power consumption of each of the plurality of devices and a variance of the electric power consumption of each of the plurality of devices as components thereof, the coefficient matrix having, as components thereof, values obtained by averaging, over a time frame longer than the period, values indicative of the plurality of devices and of whether or not the devices are in the operating state corresponding to the period, the observation matrix having, as components thereof, an average total electric power consumption obtained by averaging the total electric power consumptions in the periods included in the time frame, as well as a sum of a square of the average total electric power consumption and a sample variance of the total electric power consumption in the time frame.

4 more elements

A non-transitory computer-readable storage medium storing a program causing a computer to function as to execute processing comprising:

acquiring total electric power consumption data indicative of a total electric power consumption from an electric power meter, the electric power meter being configured to measure a sum of electric power consumptions of a plurality of devices as the total electric power consumption for each predetermined period;
acquiring operating state data indicative of whether or not each of the plurality of devices is in an operating state, from each of the devices;
estimating an average electric power consumption of each of the plurality of devices from the total electric power consumption and whether or not each of the devices is in the operating state;
calculating a device electric power consumption by using the average electric power consumption, the device electric power consumption being an electric power consumption of each of the plurality of devices for each period;
and
calculating an electric power consumption matrix by using an equation and the device electric power consumption by multiplying the average electric power consumption by a value indicative of whether or not the device is in the operating state and then adding, to said obtained value, a value which becomes larger as the variance increases, the equation stating that a product of the electric power consumption matrix and a coefficient matrix results in an observation matrix, the electric power consumption matrix having the average electric power consumption of each of the plurality of devices and a variance of the electric power consumption of each of the plurality of devices as components thereof, the coefficient matrix having, as components thereof, values obtained by averaging, over a time frame longer than the period, values indicative of the plurality of devices and of whether or not the devices are in the operating state corresponding to the period, the observation matrix having, as components thereof, an average total electric power consumption obtained by averaging the total electric power consumptions in the periods included in the time frame, as well as a sum of a square of the average total electric power consumption and a sample variance of the total electric power consumption in the time frame.

3 more elements

An electric power consumption estimation method, comprising:

acquiring total electric power consumption data indicative of a total electric power consumption from an electric power meter, the electric power meter being configured to measure a sum of electric power consumptions of a plurality of devices as the total electric power consumption for each predetermined period;
acquiring operating state data indicative of whether or not each of the plurality of devices is in an operating state, from each of the devices;
estimating an average electric power consumption of each of the plurality of devices from the total electric power consumption and whether or not each of the devices is in the operating state;
calculating a device electric power consumption by using the average electric power consumption, the device electric power consumption being an electric power consumption of each of the plurality of devices for each period;
and
calculating an electric power consumption matrix by using an equation and the device electric power consumption by multiplying the average electric power consumption by a value indicative of whether or not the device is in the operating state and then adding, to said obtained value, a value which becomes larger as the variance increases, the equation stating that a product of the electric power consumption matrix and a coefficient matrix results in an observation matrix, the electric power consumption matrix having the average electric power consumption of each of the plurality of devices and a variance of the electric power consumption of each of the plurality of devices as thereof, components the coefficient matrix having, as components thereof, values obtained by averaging, over a time frame longer than the period, values indicative of the plurality of devices and of whether or not the devices are in the operating state corresponding to the period, the observation matrix having, as components thereof, an average total electric power consumption obtained by averaging the total electric power consumptions in the periods included in the time frame, as well as a sum of a square of the average total electric power consumption and a sample variance of the total electric power consumption in the time frame.

3 more elements

Dependencies are inferred from the claim text.

Electric power consumption estimation apparatus, non-transitory computer-readable storage medium, and electric power consumption estimation method

Life of this patent

Electric power consumption estimation apparatus, non-transitory computer-readable storage medium, and electric power consumption estimation method

Life of this patent

Abstract

Claims24