Processing Load Profiles for Consumption Management Systems

• US 20130231790A1
• Filed: 03/05/2012
• Published: 09/05/2013
• Est. Priority Date: 03/05/2012
• Status: Active Grant

• Current Assignee: Engie Storage Services NA LLC (ENGIE SA)
• Original Assignee: Green Charge Networks LLC (ENGIE SA)
• Inventors: Shao, Victor
• Granted Patent: US 9,235,825 B2
• Time in Patent Office: Days
• US Class Current: 700/291
• CPC Class Codes: G01D 2204/24 Identification of individual loads, e.g. by analysing current/voltage waveforms
• CPC Class Codes: G01D 4/00 Tariff metering apparatus in taximeters G07B13/00; apparatus actuated by coins, cards or the like with meter-controlled dispensing of liquid, gas, or electricity G07F15/00
• CPC Class Codes: G01R 19/2513 Arrangements for monitoring electric power systems, e.g. power lines or loads; Logging
• CPC Class Codes: G05B 19/048 Monitoring; Safety
• CPC Class Codes: G05B 2219/2639 Energy management, use maximum of cheap power, keep peak load low
• CPC Class Codes: G06Q 10/10 Office automation; Time management
• CPC Class Codes: G06Q 50/06 Energy or water supply
• 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 3/14 by switching loads on to, or off from, network, e.g. progressively balanced loading
• CPC Class Codes: Y02B 70/3225 Demand response systems, e.g. load shedding, peak shaving
• 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 10/50 Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
• 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 20/222 Demand response systems, e.g. load shedding, peak shaving
• CPC Class Codes: Y04S 20/30 Smart metering, e.g. specially adapted for remote reading
• CPC Class Codes: Y04S 40/20 Information technology specific aspects, e.g. CAD, simulation, modelling, system security

Abstract

Methods and systems using aggregated electrical system load profiles in determining additional load profiles, and determining consumption management system characteristics, features, and operating requirements at a site are disclosed, along with methods of generating and maintaining databases of load profile information and consumption management system requirements. By using some embodiments of the methods and systems described herein, it is faster and easier to design and implement effective consumption management systems, to determine problematic electrical systems at a site, and to diminish anomalous consumption patterns in an aggregate unprofiled electrical system load profile.

Claims

1. A method for obtaining load profiles for unprofiled loads at a site, comprising:

obtaining an aggregate unprofiled electrical system load profile of a site;

identifying an anomalous consumption pattern in the aggregate unprofiled electrical system load profile;

identifying an individual electrical system at the site contributing to the cause of the anomalous consumption pattern; and

obtaining consumption management data for the individual electrical system.

2. The method of claim 1, wherein the aggregate unprofiled electrical system load profile is obtained by subtracting at least one stored load profile of a profiled electrical system at the site from an overall load profile of the site.

3. The method of claim 1, further comprising:

storing the consumption management data in a database.

4. The method of claim 1, further comprising:

implementing a consumption management system to the site capable of managing consumption of said individual electrical system.

5. The method of claim 4, further comprising:

managing the consumption of said individual electrical system using said consumption management system.

6. The method of claim 1, wherein said consumption management data comprises an additional load profile for the individual electrical system.

7. The method of claim 1, wherein said consumption management data comprises consumption management system suitability characteristics for the individual electrical system.

8. The method of claim 1, said anomalous consumption pattern comprising consumption values, and wherein said individual electrical system at the site is identified due to correlation between consumption of the individual electrical system and the consumption values of the anomalous consumption pattern.

9. The method of claim 1, said anomalous consumption pattern comprising time of consumption values, and wherein said unprofiled individual electrical system at the site is identified due to correlation between time that consumption takes place of the unprofiled individual electrical system and the time of consumption values of the anomalous consumption pattern.

10. A method of managing the consumption of electrical systems at a site, comprising:

obtaining an aggregate unprofiled electrical system load profile of a site;

identifying an anomalous consumption pattern in the aggregate unprofiled electrical system load profile; and

obtaining consumption management system criteria from the anomalous consumption pattern in the aggregate unprofiled electrical system load profile.

11. The method of claim 10, wherein the aggregate unprofiled electrical system load profile is obtained by subtracting at least one stored load profile of a profiled electrical system at the site from an overall load profile of the site.

12. The method of claim 10, wherein the consumption management criteria define requirements for a consumption management system to diminish the anomalous consumption pattern in the aggregate unprofiled electrical system load profile.

13. The method of claim 10, further comprising:

storing said consumption management criteria in a database for storing consumption management criteria.

14. The method of claim 10, further comprising:

implementing a consumption management system at the site capable of managing consumption of one or more electrical systems at the site, the consumption management system meeting said consumption management system criteria.

15. The method of claim 14, further comprising:

managing the consumption of electrical systems at the site using said consumption management system.

16. The method of claim 15, further comprising:

managing the consumption of electrical systems at the site using said consumption management system in such a manner as to diminish the anomalous consumption pattern.

17. The method of claim 14, wherein the implemented consumption management system is configured to diminish the anomalous consumption pattern through curtailment or load shedding of unprofiled electrical systems at the site.

18. The method of claim 14, wherein the implemented consumption management system is configured to diminish the anomalous consumption pattern through providing energy to the unprofiled electrical systems at the site from energy storage or energy generation in the consumption management system.

19. The method of claim 10, said anomalous consumption pattern having load profile characteristics, wherein said consumption management system criteria correlate with the load profile characteristics of the anomalous consumption pattern.

20. A method for obtaining load profiles for unprofiled loads at a site, comprising:

obtaining an aggregate unprofiled electrical system load profile of a utility customer site;

identifying an anomalous consumption pattern in the aggregate unprofiled electrical system load profile;

identifying an individual electrical system at the site contributing to the cause of the anomalous consumption pattern; and

adjusting the usage of the individual electrical system to diminish the anomalous consumption pattern.