ELECTRIC POWER MANAGEMENT

• US 20150134138A1
• Filed: 11/11/2014
• Published: 05/14/2015
• Est. Priority Date: 11/11/2013
• Status: Active Grant

• Current Assignee: KT Corporation
• Original Assignee: KT Corporation
• Inventors: SEO, Ho-Seok, KIM, Ki-Jung, HAN, Jong-Hoon, KIM, Jung-Guen, AN, Ji-Hyun, HAHN, Ja-Kyung
• Granted Patent: US 9,952,570 B2
• Time in Patent Office: Days
• US Class Current: 700/295
• CPC Class Codes: G01D 2204/12 Determination or prediction of behaviour, e.g. likely power consumption or unusual usage patterns
• CPC Class Codes: G01D 2204/14 Displaying of utility usage with respect to time, e.g. for monitoring evolution of usage or with respect to weather conditions
• CPC Class Codes: G01D 2204/24 Identification of individual loads, e.g. by analysing current/voltage waveforms
• CPC Class Codes: G01D 4/002 Remote reading of utility meters
• CPC Class Codes: G05B 15/02 electric
• CPC Class Codes: H02J 13/00017 using optical fiber
• CPC Class Codes: H02J 13/00028 involving the use of Internet protocols
• CPC Class Codes: H02J 2203/20 Simulating, e g planning, reliability check, modelling or computer assisted design [CAD]
• CPC Class Codes: H02J 2310/70 Load identification
• CPC Class Codes: H02J 3/0075 for providing alternative feeding paths between load and source according to economic or energy efficiency considerations, e.g. economic dispatch
• CPC Class Codes: Y02B 90/20 Smart grids as enabling technology in buildings sector smart grids supporting the management or operation of end-user stationary applications in general, or like technologies with no associated climate change mitigation effect Y04S20/00
• CPC Class Codes: Y02E 60/00 Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
• CPC Class Codes: Y04S 20/00 Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
• CPC Class Codes: Y04S 20/30 Smart metering, e.g. specially adapted for remote reading
• CPC Class Codes: Y04S 40/124 using wired telecommunication networks or data transmission busses
• CPC Class Codes: Y04S 40/20 Information technology specific aspects, e.g. CAD, simulation, modelling, system security

Abstract

The disclosure is related to a method for controlling an electric power consumption amount of a consumer by a server coupled to a smart grid for managing electric power distribution. The method may include receiving signals having information on electric power consumption amounts from a meter of a consumer through a communication network, determining an electric power consumption pattern of the consumer based on the information on electric power consumption amounts, calculating electric power supply amounts for a predetermined time period based on the determined electric power consumption pattern of the consumer, and transmitting a control signal to the meter of the consumer through a communication network for controlling an electric power consumption amount of the consumer based on the calculated electric power supply amounts.

Claims

1. A method of controlling an electric power consumption amount of a consumer by a server coupled to a smart grid for managing electric power distribution, the method comprising:

receiving signals having information on electric power consumption amounts from a meter of a consumer through a communication network;

determining an electric power consumption pattern of the consumer based on the information on electric power consumption amounts;

calculating electric power supply amounts for a predetermined time period based on the determined electric power consumption pattern of the consumer; and

transmitting a control signal to the meter of the consumer through a communication network for controlling an electric power consumption amount of the consumer based on the calculated electric power supply amounts.

2. The method of claim 1, wherein the calculating electric power supply amounts comprises:

calculating current values for the predetermined time period based on the calculated electric power supply amounts; and

generating the control signal including information on the calculated current values.

3. The method of claim 2, comprising:

controlling, by the meter of the consumer, an electric power consumption amount at a predetermined time unit based on at least one of the calculated current values, mapped to the predetermined time unit.

4. The method of claim 1, wherein the receiving signals having information on electric power consumption amount from a meter of a consumer comprises:

measuring, by the meter of the consumer, an electric power consumption amount at a regular interval;

generating, by the meter of the consumer, a signal having information on the measured electric power consumption amount; and

transmitting, by the meter of the consumer, the generated signal to the server.

5. The method of claim 1, wherein the receiving signals comprises:

extracting an electric power consumption amount at a predetermined time from the received signals; and

storing the extracted electric power consumption amount in a memory of the server in connection with identification information of the consumer.

6. The method of claim 1, wherein the calculating electric power supply amount comprises:

determining an electric power supply level based on an overall electric power supply state; and

selecting one of predetermined electric power supply coefficients, mapped to the determined electric power supply level.

7. The method of claim 6, wherein the determining an electric power supply level comprises:

receiving signals from at least one of electric power generation stations, meters of consumers, and transmission towers;

measuring an overall electric power supply amount and an overall electric power consumption amount based on the information included in the received signals;

comparing the measured overall electric power supply amount and the measured overall electric power consumption amount; and

determining the electric power supply level based on the comparison result.

8. The method of claim 6, wherein the calculating electric power supply amounts comprises:

multiplying the electric power consumption pattern of the consumer with the selected electric power supply coefficient; and

determining the multiplying result as the electric power supply amounts for the consumer.

9. The method of claim 1, wherein the calculating electric power supply amount comprises:

receiving a signal having information on a desired electric power consumption level from user equipment of the consumer; and

determining an electric power consumption coefficient, mapped to the desired electric power consumption level.

10. The method of claim 9, wherein the receiving a signal having information on an electric power consumption level comprises:

providing a user interface to the user equipment for enabling the consumer to enter the desired electric power consumption level.

11. The method of claim 9, wherein the calculating electric power supply amounts comprises:

multiplying the electric power consumption pattern of the consumer with the selected electric power consumption coefficient; and

determining the multiplying result as the electric power supply amounts for the consumer.

12. The method of claim 1, wherein the determining an electric power consumption pattern of the consumer comprises:

calculating an average electric power consumption amount at each unit time based on the information on electric power consumption amounts included in the received signals; and

generating the electric power consumption pattern by combining the calculated average electric power consumption amount at each unit time.

13. The method of claim 1, wherein the electric power consumption pattern is a customer baseline load.

14. A server, coupled to a smart grid, for controlling an electric power consumption amount of a consumer, the server comprising:

a communication circuit configured to receive signals having information on electric power consumption amounts from a meter of a consumer through a communication network and to transmit a control signal to the meter of the consumer through a communication network for controlling an electric power consumption amount of the consumer; and

a processor configured to determine an electric power consumption pattern of the consumer based on the information on electric power consumption amounts and to calculate electric power supply amounts for a predetermined time period based on the determined electric power consumption pattern of the consumer,

15. The server of claim 14, wherein the processor is configured to:

calculate current values for the predetermined time period based on the calculated electric power supply amounts; and

generate the control signal including information on the calculated current values.

16. The server of claim 14, wherein:

the processor is configured to extract an electric power consumption amount at a predetermined unit time from the received signals; and

the server comprises a memory configured to store the extracted electric power consumption amount in connection with identification information of the consumer.

17. The server of claim 14, wherein the processor is configured to:

determine an electric power supply level based on an overall electric power supply state; and

select one of predetermined electric power supply coefficients, mapped to the determined electric power supply level.

18. The server of claim 17, wherein:

the communication circuit is configured to receive signals from at least one of electric power generation stations, meters of consumers, and transmission towers;

the processor is configured to measure an overall electric power supply amount and an overall electric power consumption amount based on the information included in the received signals, to compare the measured overall electric power supply amount and the measured overall electric power consumption amount, and to determine the electric power supply level based on the comparison result.

19. The server of claim 17, wherein the processor is configured to:

multiply the electric power consumption pattern of the consumer with the selected electric power supply coefficient; and

determine the multiplying result as the electric power supply amounts for the consumer.

20. The server of claim 14, wherein:

the communication circuit is configured to receive a signal having information on a desired electric power consumption level from user equipment of the consumer; and

the processor is configured to determine an electric power consumption coefficient, mapped to the desired electric power consumption level, to multiply the electric power consumption pattern of the consumer with the selected electric power consumption coefficient, and to determine the multiplying result as the electric power supply amounts for the consumer.