# US 10,374,437 B2 · Power-saving control method and power-saving control system

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- Number: US 10,374,437 B2
- Document ID: US10374437B2
- Status: Granted
- Kind: B2
- Application number: 15/797,176
- Filed: 2017-10-30
- Published: 2018-05-24
- Granted: 2019-08-06
- Earliest claimed: 2016-11-18
- Assignees: Panasonic Corporation
- Applicants: Panasonic Corporation
- Inventors: Gaku Hayashida
- Web page: https://patentgrep.com/patent/US10374437B2

## CPC

- G05B 15/02: electric
- G06Q 30/0283: Price estimation or determination
- G06Q 50/06: Energy or water supply
- H02J 3/14: by switching loads on to, or off from, the networks, e.g. progressively balanced loading
- H02J 4/00: Circuit arrangements for mains or distribution networks not specified as AC or DC; Circuit arrangements for mains or distribution networks combining AC and DC sections or sub-networks (arrangements using intermediate DC-AC-DC conversion H02J1/002; arrangements using high-voltage DC [HVDC] links H02J3/36)
- H02J 2103/30: Simulating, planning, modelling, reliability check or computer assisted design [CAD] of electric power networks
- H02J 2105/55: according to an economic condition, e.g. tariff-based load management
- Y02B 70/3225: Demand response systems, e.g. load shedding, peak shaving
- Y04S 20/222: Demand response systems, e.g. load shedding, peak shaving
- Y04S 50/10: Energy trading, including energy flowing from end-user application to grid
- Y04S 50/14: Marketing, i.e. market research and analysis, surveying, promotions, advertising, buyer profiling, customer management or rewards
- G05B: CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS (systems for controlling or regulating non-electric variables G05D; systems for regulating electric or magnetic variables G05F; control devices or systems insofar as characterised by mechanical features only G05G)
- G06Q: INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- H02J: ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- Y02B: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y04S: SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS

## Abstract

A method includes (a) transmitting a power-saving request; (b) calculating a baseline; and (c) calculating a payment based on a difference between an actual amount of electric power consumed by an electric power load and the baseline, wherein in (b), a first baseline for a first power-saving period during which power is saved in accordance with a first power-saving request transmitted at an immediately preceding timing is calculated based on an average of amounts of electric power consumed during periods in the same time zone as the first power-saving period on previous days, and a second baseline for a second power-saving period during which power is saved in accordance with a second power-saving request transmitted at a different timing is calculated based on an average of amounts of electric power consumed during periods in the same time zone as the second power-saving period on previous days.

## Claims

### Claim 1

A power-saving control method comprising:
transmitting, to a consumer, a first power-saving request and a second power-saving request requesting the consumer to start power saving of electric power consumed by an electric power load in a power-saving period, the first power-saving request being transmitted within a predetermined period immediately preceding the power-saving period, and the second power-saving request being transmitted before the predetermined period, the electric power load comprising a first electric power load including a cooling apparatus, and a second electric power load different from the first electric power load;
calculating a first baseline for the power-saving period in accordance with the first power-saving request, the first baseline being calculated based on a first amount, which is an average of amounts of electric power consumed by the first electric power load during a plurality of periods on a plurality of days previous to a day including the power-saving period, each of the plurality of periods being a same time period as the power-saving period, and a second amount of electric power consumed by the second electric power load during a period before the power-saving period on the day including the power-saving period;
calculating a second baseline for the power-saving period in accordance with the second power-saving request, the second baseline being calculated based on a third amount, which is an average of amounts of electric power consumed by the first electric power load and the second electric power load during the plurality of periods on the plurality of days previous to the day including the power-saving period;
reducing electric power consumed by electric power load during the power-saving period in accordance with the first power-saving request or the second power-saving request;
acquiring an actual amount of electric power consumed by the electric power load during the power-saving period, during which the electric power consumed by the electric power load is reduced; and
calculating a payment for the consumer based on a difference between the actual amount of electric power consumed by the electric power load during the power-saving period and one of the first baseline and the second baseline.

### Claim 2 (depends on 1)

The power-saving control method according to claim 1, wherein
the second electric power load includes an air conditioner.

### Claim 3 (depends on 1)

The power saving control method according to claim 1, wherein the first baseline is calculated by adding the first amount and the second amount.

### Claim 4 (depends on 1)

The power saving control method according to claim 1, wherein the period to calculate the second amount is the predetermined period immediately preceding the power-saving period.

### Claim 5

A power-saving control system comprising:
a transmitter that transmits, to a consumer, a first power-saving request and a second power-saving request requesting the consumer to start power saving of electric power consumed by an electric power load in a power-saving period, the first power-saving request being transmitted within a predetermined period immediately preceding the power-saving period, and the second power-saving request being transmitted before the predetermined period, the electric power load comprising a first electric power load including a cooling apparatus, and a second electric power load different from the first electric power load;
a memory that stores instructions;
a processor that, when executing the instructions stored in the memory, performs operations including:
calculating a first baseline for the power-saving period in accordance with the first power-saving request, the first base line being calculated based on a first amount, which is an average of amounts of electric power consumed by the first electric power load during a plurality of periods on a plurality of days previous to a day including the power-saving period, each of the plurality of periods being a same time period as the power-saving period, and a second amount of electric power consumed by the second electric power load during a period before the power-saving period on the day including the power-saving period; and
calculating a second baseline for the power-saving period in accordance with the second power-saving request, the second baseline being calculated based on a third amount, which is an average of amounts of electric power consumed by the first electric power load and the second electric power load during the plurality of periods on the plurality of days previous to the day including the power-saving period,
wherein electric power consumed by electric power load is reduced during the power-saving period in accordance with the first power-saving request or the second power-saving request, the processor further performs operations including:
acquiring an actual amount of electric power consumed by the electric power load during the power-saving period, during which the electric power consumed by the electric power load is reduced; and
calculating a payment for the consumer based on a difference between the actual amount of electric power consumed by the electric power load during the power-saving period and one of the first baseline and the second baseline.

### Claim 6 (depends on 5)

The power saving control system according to claim 5, wherein the first baseline is calculated by adding the first amount and the second amount.

### Claim 7 (depends on 5)

The power saving control system according to claim 5, wherein the period to calculate the second amount is the predetermined period immediately preceding the power-saving period.