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WO2010027278A1 - Système de commande distribué et ses procédés, systèmes et appareils de mise en oeuvre - Google Patents

Système de commande distribué et ses procédés, systèmes et appareils de mise en oeuvre Download PDF

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Publication number
WO2010027278A1
WO2010027278A1 PCT/NZ2009/000180 NZ2009000180W WO2010027278A1 WO 2010027278 A1 WO2010027278 A1 WO 2010027278A1 NZ 2009000180 W NZ2009000180 W NZ 2009000180W WO 2010027278 A1 WO2010027278 A1 WO 2010027278A1
Authority
WO
WIPO (PCT)
Prior art keywords
commodity
appliance
forbearance
consumption
supply
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/NZ2009/000180
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English (en)
Inventor
Matthew Sagen
Michael Richard Lawley
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
POWEREGGZ Ltd
Original Assignee
POWEREGGZ Ltd
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Filing date
Publication date
Application filed by POWEREGGZ Ltd filed Critical POWEREGGZ Ltd
Publication of WO2010027278A1 publication Critical patent/WO2010027278A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • 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
    • G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
    • G06Q50/06—Energy or water supply

Definitions

  • This invention relates to a distributed control method and system for monitoring the use of a commodity and providing incentives based on user forbearance. There are also provided methods and system for monitoring commodity consumption and reporting appliance performance and environmental conditions.
  • a range of devices are employed in power systems that allow intelligent control of individual appliances. These may be wired in devices or plug in devices including a power supply switch, some intelligence and means to communicate with a remote control system. Utility controlled systems such as "ripple control" allow a utility to control when certain types of loads may be connected to the network. Power band systems allow a user to time the use of appliances to coincide with low cost power bands to minimize power costs.
  • a device that is configurable to take advantage of low price periods based on thresholds combined with overriding logic
  • the commodity forbearance management system controlling consumption of a commodity based on the commodity forbearance parameters
  • appliance control units for controlling connectability of appliances to a commodity supply network
  • a management system for receiving consumption offers from consumers offering to forbear consumption for a credit value and forbearance offers from commodity suppliers to provide a credit for consumer forbearance of consumption of a commodity and matching consumption offers to forbearance offers and generating command signals for controlling consumer appliances in accordance with accepted consumption offers; and iii. a communications network for conveying command signals from the management system to appliance control units to inhibit the connectivity of appliance control units.
  • i. means responsive to control signals from a remote management system to configure the connectability of an appliance connected to the appliance control apparatus to the commodity supply;
  • ii means for storing commodity usage data and communicating this to a remote management system
  • iii means for sensing the state of supply of the commodity and to control a device depending upon the state of supply of the commodity.
  • Figure 1 shows a schematic diagram of a distributed energy management and control system.
  • Figure 2 shows a block diagram of an appliance control unit for use in the system shown in figure 1.
  • Figure 3 shows a schematic diagram of a distributed energy management and control system utilizing local RF links.
  • Figure 4 shows a schematic diagram of a distributed energy management and control system utilizing remote RF links.
  • the present invention relates to methods, systems and apparatus for monitoring and controlling the use of a commodity and providing incentives based on user forbearance.
  • the commodity concerned may be electricity, gas, water, telecommunications or any other commodity where there is a need to match supply and demand.
  • the invention is described below in relation to electricity consumption. However, it will be appreciated that with suitable modifications the principals of the inventions may be applied to other commodities and the "appliances" may include any apparatus that consumes a finite resource including for example electric cars, gas ovens, watering systems etc.
  • Figure 1 shows a schematic diagram of a system in which a plurality of appliances 1 to 3 of a first consumer and 4 to 6 of a second consumer are connected via appliance control units 7 to 12 to outlets 13 to 18 connected to electricity supply networks 19 and 20.
  • Interface unit 21 is also connected via outlet 22 to electricity supply network 19 and is capable of communicating with appliance control units 7 to 9 via electrical lines of the electrical supply network 19.
  • Interface unit 23 is likewise connected to outlet 24 and communicates with appliance control units 10 to 12 via the lines of electricity supply network 20.
  • Interface units 21 and 23 are connected via communication links 25 and 26 to a market platform 27 (in this case the server running appropriate software).
  • Communication links 25 and 26 may be via telephone networks, cellular networks or alternative communications networks.
  • User computers 28 and 29 are likewise ' connected via communication links 30 and 31 to market platform 27.
  • a supplier platform 32 is connected via communications link 33 to market platform 27.
  • FIG. 2 shows an appliance control unit 7 in block diagram form.
  • Appliance control unit 7 has pins 34 to connect to a standard power output socket.
  • Phase and earth lines 35 and 36 may be directly connected to a female outlet socket 37 configured to receive a standard plug of a connected appliance.
  • Phase line 38 may be connected to a switch 39 that may be selectively opened or closed to allow power to be supplied or not via line 40 to outlet socket 37.
  • Switch 39 may be a semi-conductor switch or electromechanical switch etc.
  • Switch 39 is controlled by a microcontroller 41 which may include a microprocessor, memory, a clock and ancillary functionality as required for a given application (analogue to digital conversion, pulse width modulation etc.).
  • a monitoring circuit 42 monitors lines 35 and 40 to monitor the power consumed by an appliance connected to appliance control unit 7 and the condition of the power supply and supplies this information to microcontroller 41. Monitoring circuit 42 may be included within microcontroller 41 depending upon the type of microcontroller employed.
  • a temperature sensor 43 supplies temperature information to microcontroller 41.
  • Light sensor 44 supplies light intensity information to microcontroller 41.
  • An optical fibre 45 may be connected to optical sensor 44 to enable light signals to be detected remotely from appliance control unit 7.
  • a display interface 45 may be provided to display information from microcontroller 41 and a user interface 46 may allow user input of control signals and information into microcontroller 41.
  • the display interface may be an LCD screen or simply one or more LEDs etc.
  • user input interface 46 may be a single button to override operation of the appliance unit or multiple buttons may be provided to allow data input.
  • An RF transmitter/receiver 47 may be optionally provided to allow wireless communication with local or remote components of the system. Alternatively, or additionally, transceiver 48 may be utilized to allow communication between microcontroller 41 and local or remote components of the system via power lines.
  • the system may be easily deployed by plugging appliance control units 7 to 12 into power outlets 13 to 18 and plugging appliances 1 to 6 into appliance control units 7 to 12.
  • a local interface unit typically in the home of a consumer, may be plugged into a power outlet 22 and may communicate with platform 27 to supply power consumption information supplied from appliance control units 7 to 12 and receive control information for the control of appliance control units 7 to 12.
  • Figure 3 shows an alternative embodiment in which like components have been given like reference numerals.
  • communication between appliance control units 7 to 12 and interface units 21 and 23 is via wireless links. Communications between interface units 21 and 23 and platform 27 may be via telephone network, wireless connection or other suitable communication link.
  • Figure 4 shows an alternative embodiment in which like components have again been given like reference numerals.
  • appliance control units 7 to 12 communicate directly with platform 27 via wireless communication links 55 to 60.
  • Wireless communication links 55 to 60 may be a cellular network, pager network or other suitable wireless network. It will be appreciated that appliance control modules could also communicate directly with the platform via power lines.
  • Figure 2 illustrates the possible functionality with the features included dependant upon the application concerned.
  • the appliance control unit may ultimately be incorporated within an appliance in whole or in part.
  • Each appliance control unit 7 to 12 is assigned a unique ID stored in memory in microcontroller 41. Power consumption information for an appliance can be stored in microcontroller 41 and sent via communication transceiver 48 to interface unit 21 and on to platform 27 (or via RF communication unit 47 in the Figure 3 or Figure 4 embodiments).
  • Unique user IDs may be assigned by a utility company that supplies appliance control units 7 to 12 so that they are associated with a user or these may be configured upon user connection.
  • the unique appliance control unit ID may be associated with a consumer to allow information associated with a consumer to be recorded and control signals to be directed to an appropriate appliance control unit.
  • Simply monitoring power consumption for an appliance and providing this information to platform 27 allows the first level of functionality to be provided.
  • This information may be provided to a utility to enable it to itemize power bills by appliance.
  • Itemized energy usage reports could also be generated by the platform or on consumer equipment. It may also enable the platform to analyze the efficiency of an appliance employed.
  • the appliance type may be determined automatically based on the energy consumption profile of the appliance.
  • the user may specify the appliance type by entering this information via user interface 46 of an appliance module or on-line by entering this information via computer 28 or 29.
  • information as to the appliance type may be stored in the appliance control unit.
  • appliance control units of different types may be supplied for connection to different types of appliance (e.g. an appliance control unit configured to control a heater may have stored in memory that the appliance type is a heater).
  • Each appliance control unit may be assigned a specific Appliance Name address, analogous to an IP address, with an Appliance Name server performing the role of a DNS server on the internet.
  • Appliance Name server performing the role of a DNS server on the internet.
  • Manufacturers may be responsible for registering each appliance model in a central Appliance Name Registry, such that when a unit is plugged in it is readily identifiable. When a new unit is sensed at a location, its serial number is recorded against the record, and if there is an existing record with a matching Appliance Registry number and serial number, notifications and confirmation can take place.
  • Platform 27 may store energy consumption profiles for different appliances so that the efficiency of a particular appliance may be compared to reference information to determine a particular appliance's efficiency. Appliance energy consumption information may also be used to detect a malfunction of an appliance. This may be due to an anomaly in the energy consumption profile or total energy, or any spike in energy consumed. This information may be provided to subscribers of such a service in the form of a periodic report.
  • the platform Upon the platform detecting a malfunction of an appliance it may send a command signal via communication link 25 to interface circuit 21 which may relay the control command to, for example, appliance control unit 7 so that switch 39 may be switched off to disconnect the appliance. Detection of a malfunction may also cause platform 27 to notify an associated servicing agent or the consumer so that they can remedy the malfunction.
  • the malfunction may be indicated via an indicator on appliance control unit 7 such as a flashing display 45, flashing light or audible sound etc.
  • the malfunction may be communicated via the internet to user device such as computer 28, a cell phone or other suitable communication device.
  • Appliance control unit 7 also includes a temperature sensor. This may record temperature information which may be sent to platform 27. By monitoring power consumption for heating appliances and ambient temperature, the energy efficiency of a building may be calculated. Alternatively, simply monitoring the temperature profile for a dwelling may provide information as to energy efficiency
  • Temperature information may also be used by the platform or a utility as a forecasting tool to predict demand and may be used to prioritise appliance usage based on forecast demand.
  • Appliance control unit 7 also includes a monitoring circuit 42 for monitoring the condition of the power supply.
  • This circuit may monitor the voltage or frequency or other attribute of the power supply to detect an exceptional condition in the power supply, such as excessive demand on the power supply.
  • excessive demand on the power supply may cause microcontroller 41 to disconnect switch 39 so as to disable an associated appliance from receiving power from the power supply system.
  • different appliance types may be prioritised so that different threshold levels are set for the disabling of connected appliances (e.g. heating appliances are disconnected first). In other embodiments (described later) this functionality may be dependent upon a consumer accepting an offer from a power supplier.
  • Monitoring circuit 42 may also detect oversupply conditions such as over voltage and, for certain loads, may cause switch 39 to be activated so as to place a load on the supply to bring power supply conditions back to an acceptable level. This may be particularly suited to a generator that has variable output based on transient conditions, such as a wind turbine. Monitoring circuit 42 may also sense whether an appliance is connected and/or the specific appliance connected. This may preferably be determined by monitoring the impeadance or load characteristics of the connected appliance to avoid cheating by disconnecting the appliance. Usage data over a period of time may also be analysed to determine whether a user has been complying with the terms of a forbearance offer.
  • oversupply conditions such as over voltage and, for certain loads
  • switch 39 may cause switch 39 to be activated so as to place a load on the supply to bring power supply conditions back to an acceptable level. This may be particularly suited to a generator that has variable output based on transient conditions, such as a wind turbine.
  • Monitoring circuit 42 may also sense whether an appliance is connected and/
  • this system platform 27 may be a distributed system including a number of computers connected via the internet. This may be an open API platform on which developers can write software modules which users can select to use. Parties such as utility companies may wish to reduce power consumption according to certain parameters and offer forbearance offers for a consumer to forebear consumption according to certain parameters for a specified credit value. Alternatively, the forbearance offers may be for a consumer to consume power according to certain parameters when there is an over-supply. Other parties may wish to incentivise other types of behavior. For example, a party selling carbon credits may wish to purchase energy forbearance from consumers to obtain carbon credits. The Government may wish to incentivise a certain type of power consumption in order to meet its strategic goals.
  • the symbol 32 in Figure 1 denotes any such party.
  • a forbearance offer will set out parameters of an offer with an associated credit offered.
  • the credit may be a financial credit, a reduction in consumer consumption (i.e. a reduction in consumption units for a client) or some other benefit or reduction in detriment.
  • the parameters of a forbearance offer may relate to a time of consumption (e.g. during peak power consumption periods), a consumption profile (a defined flatness of energy consumption, total energy consumption etc.), a priority (i.e. a high priority may enable disconnection of an appliance without override whereas a low priority may allow a consumer to override) or other parameters as required.
  • Such consumption offers may be communicated to market platform 27. Offers may include parameters such as:
  • Users may enter consumption offers via input devices such as computer 28 and 29 connected via the internet to market platform 27. Users may enter parameters for energy forbearance and the credit value they require for such forbearance. These offers may be communicated to market platform 27. Alternatively, the parameters of forbearance offers (excluding credit values) may be communicated to users and they may enter a credit value in their consumption offers. Alternatively, offers may be entered directly into appliance control units via user interface 46 by options being displayed on display 45 and selected via buttons of user interface 46.
  • Market platform 27 may match forbearance offers and consumption offers and send control information to selected appliance control units communicating the parameters of forbearance offers that have been accepted. Appliance control units 7 to 12 will then function in accordance with these parameters for the duration of an offer or until the total value of the forbearance offer has been reached.
  • Appliance control units 7 to 12 will then function in accordance with these parameters for the duration of an offer or until the total value of the forbearance offer has been reached.
  • For high priority forbearance offers a user may be committed to accept control via the market platform without the ability to override.
  • For lower priority offers a user may be able to override disconnection of an appliance. This override may be effected by actuating a button of user interface 46 or upon receipt of a light signal by light sensor 44.
  • an optical fibre 45 may be positioned so as to convey a signal from a remote control to optical sensor 44 to override deactivation.
  • the parameters of an offer may have different priorities depending upon the type of appliance concerned. Certain types of appliances may be isolated from the power supply by appliance control modules 7 to 12 before other appliances. The priority assigned may be set according to appliance type or may be user defined. The priority accorded to an appliance may be reflected in the credit value received.
  • the actual power consumption of an appliance will be recorded by appliance control units 7 to 12 and periodically communicated to platform 27.
  • Consumption information over a period for which a forbearance offer applies may be compared to historical consumption information to confirm that forbearance has been made according to the agreed parameters (i.e. verification may be required that there has been forbearance compared to historical consumption).
  • Forbearance offers may also include a credit offer for appliances to be disconnected from a supply based upon an exceptional commodity supply condition. For example, if the voltage or a frequency of a power supply exceeds a defined threshold a forbearance offer may require an appliance to be disconnected from the power supply. This may enable the utility to avoid excess demand and avoid the need to provide increased generation capacity.
  • a forbearance offer may have different credit values based on the priority ascribed to the forbearance offer. The highest priority forbearance offer may have the greatest credit but enable the utility to disconnect appliances at the lowest threshold level. Conversely the lowest priority value may only require disconnection of a connected appliance in the most extreme conditions.
  • a price per unit is calculated.
  • the total offer is padded ("Efficiency Incentive Boosting") by a portion of the revenue from all the revenue streams in the following way:
  • the Platform Control Center has a setting for percentage of each revenue stream to be included in the Efficiency Incentive Boost (EIB).
  • EIB Efficiency Incentive Boost
  • a carbon credit value of forbearance may be added to the EIB.
  • the sum of any generator's offer and the EIB is divided by the total commodity unit of reduction requested. This is the figure that is compared against Price Point for each device, as described below.
  • Consumption offers will be matched based on the lowest credit value asked meeting the parameters of a forbearance offer (Area and time of offer etc.). Such offers must fall below a credit value prescribed in a forbearance offer or the total of all accepted consumption offers must full within a total specified in a forbearance offer.
  • Consumption offers are initially prioritized based on the lowest credit value matching forbearance offer parameters. Where there are a number of equivalent consumption offers at the margin these may be prioritized. They may be prioritized on a rotational basis based on a number of factors such as:
  • Prioritisation may be on a user basis rather than a device basis to more fairly reflect a user's total performance.
  • Users may form groups to place combined consumption offers and suppliers may likewise combine to provide combined forbearance offers.
  • the system may take in to account the following settings, which are either set manually or by a module that has been selected. The first checks whether or not the supplier of the commodity making this offer meets the criteria that the user set for minimum SpotMarket Rating, an index of various sustainability factors.
  • the user's settings may be compared against the offer in the following order for each device connected to the user's system: (A "NO" answer to any question below means the device is to be left alone, and the next device considered until there are no more devices for the user, and the next user's devices are considered.)
  • Price point - Is the device going to generate more than the minimum credit set by the user if it is left off for the duration of the offer?
  • a "Forbearance Signal” may be sent to any unit that reaches this point in the logic. If the unit was not consuming commodity at the time of the signal, the user may be credited in "Forbearance Escrow.” If the unit was using power, the credits may be issued as soon as the Forbearance period expires without user override provided the use does no override the signal.
  • the SpotMarket market place will enable the consumer to enter offers to consume a commodity from a particular source at a particular price. This can be achieved in one of two ways:
  • a user with a small wind farm which is generating a lot of power has set his grid-tie inverter to begin feeding power into the grid when his production rises to so many watts.
  • His SpotMarket control unit has been programmed to sell that power at 24cents a kW-h.
  • the next consumer in the queue has set a maximum price point of 20 cents, but has indicated that if a supplier has an exceptional SpotMarket rating of 8/10 he is willing to go as high as 26 cents, so when the offer comes online, that consumer begins buying power from the wind farm, and does so until the offer expires.
  • For a Location Cap offer a user has the ability to cap their maximum load, and by staying under that, can secure additional Forbearance Credits.
  • a supplier can offer bands of pricing based on the caps that users impose on themselves, which can be locked to a certain minimum period. That is, if a supplier so wishes, the user could be constrained to changing this setting only once a month, once a week, or even once an hour.
  • Peak Alleviation Offers e.g. a car manufacturing plant where when the production line comes on, since 60% of the residences within 5 miles are employees, they can participate in such a way that their loads respond to offset the spike).
  • Peak Alleviation Offer which is basically a Forbearance offer from a non-supply source. It is generated exactly the same way with one exception: the price per unit is not input manually but is a function of the difference between peak cost and the cost of paying users to forbear. Any consumer can make this type of offer.
  • Tax-deductions (Charitable organizations, hospitals, schools, etc)
  • Offers of this type will have many more criteria available to them in addition to the ones considered in the Price-per-unit Offer. These include:
  • a local appliance company may wish to give a discount to users that have current upgrade/maintenance recommendations because of poor performance by their old fridge, so they register as an Incentive Offer provider, making a minimum deposit for security, and then add an Offer.
  • the offer screen they first select an Offer Total of 10,000 dollars in discounts. Then they select the type of appliance they want the offer associated with (fridge/freezers) and the minimum and maximum ratings for the device (in this case a minimum of 0% performance and a maximum of 70% means that they won't offer the upgrade to users whose fridges are already performing 70% as well as the latest model).
  • appliance control units may be configured to avoid simultaneous connection of certain types of load. For example, in an office situation using multiple kettles, appliance control units may communicate with one another to ensure that only a limited number of appliances of a prescribed type are supplied with power at a time. Again, this functionality may be effected by market platform 27 sending a control demand to appliance control units upon the acceptance of a corresponding forbearance offer.
  • the system of the invention may assign priorities to different appliances so that they are started sequentially according to priority so as not to overload a power supply. For example, fridges may be given a high priority and non-essential equipment such as entertainment appliances may be given a low priority. In this way load may be applied in a graduated manner. This can save the supplier from having to coordinate complex starting procedures.
  • the system can accept price thresholds below which the load will be turned on in order to take best advantage of the price.
  • price thresholds below which the load will be turned on in order to take best advantage of the price.
  • the system Since the system will record patterns in user behavior, the conditions that are likely to result in a user overriding a forbearance signal can be anticipated and the user can be prompted for a course of action. As an example, if there is a regularly occurring event such as a monthly BBQ which consumes gas for a grill and pool heating and cleaning, and the user always overrides any forbearance signals during these events, the system can recognize the trend and prompt the user to schedule the event as a permanent override. The sum total of all these events critical to users will result in forbearance offer suggestions to the generation/lines users. For example on Superbowl Sunday there may be an extra incentive for users to shed load to account for the inflexible loads that result from permanent override schedules.
  • the proposed system will enable monitoring of a remote carbon offset, charitable donation, and/or micro lending market based on real production/savings, and take advantage of Local subsidies that are underutilized because of lack of capital (micro financing).
  • Data-mining operations will be most effective when the system can correlate categories and model numbers of products in a plug-and-play fashion, and until such users may be required to input that information.
  • Manufacturers may be provided with an interface for inputting their own product catalogues and will be responsible for its maintenance order to participate in warranty programs and the purchasing of appliance model or category specific data.
  • the platform may operate as such a service, correlated with domain name of the company website, model number, category, and with meta-data standards for describing specifications (dimensions, colors, variations).
  • Serial numbers may be associated with appliances within user accounts, since it may be impractical to determine an appliance's type using serial numbers.
  • both users may be prompted to ascertain if the transfer was intentional, providing another layer of security, and maintaining performance data that allows a warranty to follow an appliance from user to user.
  • the methods and systems described enable an open platform based on a large number of micro transactions allowing dynamic balancing of supply, demand, capacity and price.
  • the methods, systems and apparatus provide the following advantages: i. Increased quality of the participation of the consumer in commodity markets;
  • a device that is configurable to take advantage of low price periods based on thresholds combined with overriding logic

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Abstract

L'invention concerne un procédé permettant d'attribuer à des utilisateurs d'une marchandise un délai de grâce, ainsi qu'un système et un appareil de commande permettant la mise en oeuvre du procédé. À cet effet, un utilisateur entre des paramètres de délai de grâce pour une marchandise dans un système de gestion de délai de grâce pour marchandises qui contrôle la consommation de la marchandise sur la base desdits paramètres. Le délai de grâce de l'utilisateur est déterminé pour une période, et l'utilisateur est crédité en fonction du délai de grâce calculé. Le système permet également de suivre les performances de l'appareil et les conditions environnementales, et des stratégies de commande peuvent être appliquées sur la base de ces informations.
PCT/NZ2009/000180 2008-09-08 2009-08-31 Système de commande distribué et ses procédés, systèmes et appareils de mise en oeuvre Ceased WO2010027278A1 (fr)

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NZ571125 2008-09-08
NZ57112508 2008-09-08

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GB2492223A (en) * 2011-06-24 2012-12-26 Gen Electric Methods and systems involving databases for energy usage data
US20230030371A1 (en) * 2019-12-18 2023-02-02 Fundació Per A La Universitat Oberta De Catalunya Enabling a computing resource of a computing pool

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Publication number Priority date Publication date Assignee Title
JP2002135976A (ja) * 2000-10-26 2002-05-10 Mitsubishi Electric Corp 負荷平準化システム及び負荷平準化方法
US20040095237A1 (en) * 1999-01-09 2004-05-20 Chen Kimball C. Electronic message delivery system utilizable in the monitoring and control of remote equipment and method of same
US20040139038A1 (en) * 2002-03-28 2004-07-15 Ehlers Gregory A. System and method for controlling delivering of a commodity
US20070021874A1 (en) * 2005-07-22 2007-01-25 Roger Rognli Load shedding control for cycled or variable load appliances
US20080189180A1 (en) * 2006-12-08 2008-08-07 Maher Lee J Utility resource conservation method

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040095237A1 (en) * 1999-01-09 2004-05-20 Chen Kimball C. Electronic message delivery system utilizable in the monitoring and control of remote equipment and method of same
JP2002135976A (ja) * 2000-10-26 2002-05-10 Mitsubishi Electric Corp 負荷平準化システム及び負荷平準化方法
US20040139038A1 (en) * 2002-03-28 2004-07-15 Ehlers Gregory A. System and method for controlling delivering of a commodity
US20070021874A1 (en) * 2005-07-22 2007-01-25 Roger Rognli Load shedding control for cycled or variable load appliances
US20080189180A1 (en) * 2006-12-08 2008-08-07 Maher Lee J Utility resource conservation method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2492223A (en) * 2011-06-24 2012-12-26 Gen Electric Methods and systems involving databases for energy usage data
US20230030371A1 (en) * 2019-12-18 2023-02-02 Fundació Per A La Universitat Oberta De Catalunya Enabling a computing resource of a computing pool
US12283817B2 (en) * 2019-12-18 2025-04-22 Fundació Per A La Universitat Oberta De Catalunya Enabling a computing resource of a computing pool

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