WO2012056272A1 - Procédé et appareil pour réduire la consommation d'énergie électrique - Google Patents

Procédé et appareil pour réduire la consommation d'énergie électrique Download PDF

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Publication number
WO2012056272A1
WO2012056272A1 PCT/IB2010/054889 IB2010054889W WO2012056272A1 WO 2012056272 A1 WO2012056272 A1 WO 2012056272A1 IB 2010054889 W IB2010054889 W IB 2010054889W WO 2012056272 A1 WO2012056272 A1 WO 2012056272A1
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WO
WIPO (PCT)
Prior art keywords
state
time period
electrical
switches
electrical loads
Prior art date
Application number
PCT/IB2010/054889
Other languages
English (en)
Inventor
Nitin Nitin Tyagi
Original Assignee
Nitin Nitin Tyagi
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nitin Nitin Tyagi filed Critical Nitin Nitin Tyagi
Priority to PCT/IB2010/054889 priority Critical patent/WO2012056272A1/fr
Publication of WO2012056272A1 publication Critical patent/WO2012056272A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/12—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load
    • H02J3/14—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load by switching loads on to, or off from, network, e.g. progressively balanced loading
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/42—Circuits or arrangements for compensating for or adjusting power factor in converters or inverters
    • H02M1/4208—Arrangements for improving power factor of AC input
    • H02M1/4266—Arrangements for improving power factor of AC input using passive elements
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M5/00—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases
    • H02M5/02—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc
    • H02M5/04—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters
    • H02M5/22—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M5/275—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M5/293—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2310/00—The network for supplying or distributing electric power characterised by its spatial reach or by the load
    • H02J2310/50—The network for supplying or distributing electric power characterised by its spatial reach or by the load for selectively controlling the operation of the loads
    • H02J2310/56—The network for supplying or distributing electric power characterised by its spatial reach or by the load for selectively controlling the operation of the loads characterised by the condition upon which the selective controlling is based
    • H02J2310/58—The condition being electrical
    • H02J2310/60—Limiting power consumption in the network or in one section of the network, e.g. load shedding or peak shaving
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
    • Y02B70/3225—Demand response systems, e.g. load shedding, peak shaving
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • 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
    • Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/20—End-user application control systems
    • Y04S20/222—Demand response systems, e.g. load shedding, peak shaving

Definitions

  • the present invention relates to a method and apparatus for reducing electrical power consumption of a plurality of electrical loads.
  • the electrical loads are connected to the power supply via the switches.
  • the electrical loads are connected to the power supply in the on state of the switches and are disconnected from the power supply in the off state of the switches.
  • the electrical switches are connected to at least one electrical load.
  • the switches operate in the on state for a respective first time period and in the off state for a respective second time period responsive to the respective control signal provided by the processor to the switches.
  • the first time period is less than the second time period.
  • the first time period being less than the second time period enables in disconnecting the electrical loads from the power supply for a period greater than the electrical loads are connected to the power supply.
  • the switches are not operated in the on state simultaneously. For example, the first switch is in the on state when the second switch is in the off state and the second switch is in the on state when the first switch is in the off state.
  • electrical power is not provided to the electrical loads simultaneously. This enables in reducing electrical power consumption at the electrical loads as the electrical power is consumed by one of the loads at an instance.
  • the power supply comprises an alternating current source.
  • the alternating current source provides alternating current power to the electrical loads.
  • the reduction in consumption of alternating current power may be achieved.
  • the plurality of electrical loads are alternating current electrical loads.
  • the electrical loads may be alternating current loads, and thus, power consumption at alternating current electrical loads is reduced.
  • the switches are solid state relays.
  • the solid state relays may be adapted to switch between on state and off state at a fast rate.
  • the respective control signals are pulse width modulated signals. Pulse width modulated signals enable in controlling the on state and the off state of the switches by varying the width of the pulses.
  • the respective control signals comprises a respective non-zero time period equal to the respective first time period of the respective switches and a respective zero time period equal to the respective second time period of the respective switches.
  • the switches are adapted to operate in the on state and off state responsive to the control signals received.
  • the switches operate in the on state for the first time period responsive to the respective non-zero time period of the respective control signal and in the off state for the second time period responsive to the respective zero time period of the respective control signal.
  • the apparatus may further comprise a display operably connected to the processor.
  • the display operably connected to the processor enables in providing visual indication of information to an individual.
  • the display is configured to provide a visual indication of an amount of electrical power being consumed by the electrical loads.
  • the visual indication of the electrical power consumed by the electrical loads is the reduced electrical power being consumed. Providing the visual indication of the reduced electrical power enables the individual to be aware of the electrical power being consumed by the electrical loads.
  • the display is configured to provide a visual indication of a plurality of levels of electrical power reduction.
  • the reduction in electrical power consumption may be varied by varying the first time period for which the switch operates in the on state and the second time period for which the switches operate in the off state.
  • the levels of electrical power reduction may correspond to different combinations of first time period and the second time period.
  • the apparatus may further comprise a user interface operably connected to the processor for providing an input to the processor.
  • An individual may provide input to the processor via the user interface.
  • the apparatus may further comprise a receiver configured to receive a signal transmitted by a remote control device.
  • the receiver enables in providing input to the processor remotely.
  • the remote control device may be connected to the receiver via wire or wirelessly.
  • Another embodiment includes, a method of reducing electrical power consumption at a plurality of electrical loads, wherein the method comprises operating a plurality of switches in an on state and an off state, the on state electrically connecting the electrical loads to a power supply and the off state electrically disconnecting the electrical loads to the power supply, wherein each switch is electrically connected to at least one electrical load, providing respective control signals, to each switch, and wherein each switch alternatively operates in the on state for a respective first time period and in the off state for a respective second time period responsive to the respective control signals, the respective first time period being less than the respective second time period, and wherein at least two of the switches do not operate in the on state simultaneously.
  • FIG 1 illustrates a block diagram of an apparatus for reducing electrical power consumption at electrical loads according to an embodiment herein,
  • FIG 2 is a schematic representation of respective control signals provided to the
  • FIG 3 is a schematic representation of the supply voltages provided to the electrical loads.
  • FIG 4 illustrates an apparatus for reducing electrical power consumed by electrical loads comprising input/output devices, according to an embodiment herein, and
  • FIG 5 is a flow diagram illustrating a method of reducing electrical power consumption of a plurality of electrical loads according to an embodiment herein.
  • FIG 1 illustrates a block diagram of an apparatus for reducing electrical power consumption of electrical loads according to an embodiment herein.
  • the apparatus 10 comprises a processor 15 operably coupled to a plurality of switches 20.
  • Each of the switches 20 may be electrically connected to one or more electrical loads 25.
  • the electrical loads 25 are connected to a power supply 26 via the respective switches 20.
  • the electrical loads 25 may be alternating current electrical loads and the power supply 26 may be ac alternating current source.
  • the switches 20 may be configured to operate in an on state and in an off state.
  • the electrical loads 25 are electrically connected to the power supply 26 in the on state of the switches 20 and are electrically disconnected from the power supply 26 in the off state of the switches 20.
  • the electrical load 25a is electrically connected to the power supply 26 when the switch 20a is in the on state and is disconnected to the power supply 26 when the switch 20a is in the off state.
  • the electrical load 25b is connected to the power supply 26 when the switch 20b is in the on state and is disconnected to the power supply 26 when the switch 20b is in the off state.
  • the switches 20 may be solid state relays. In the shown example of FIG 1, two switches 20a, 20b connected to two electrical loads 25a, 25b, are shown merely for illustration purpose. A different combination of switches or electrical loads may be selected, without departing from the scope of the invention.
  • the processor 15 may be configured to provide respective control signals to each of the switches 20a, 20b.
  • the switches 20a, 20b alternatively operate in the on state for a respective first time period and in the off state for a respective second time period responsive to the respective control signals.
  • the first respective time period is less than the second respective time period.
  • the switches 20a, 20b operate in the off state for a longer duration than the on state.
  • the control signals provided to the switches 20a, 20b is such that the switches 20a, 20b switch between on and off states. Due to this, electrical power is not provided to the electrical loads continuously.
  • the switches 20 switch between the on state and the off state at a fast rate such that the electrical loads 25 are not affected by the discontinuous supply of electrical power.
  • the electrical power is provided to the electrical loads 25 only during the on state of the respective switches 20.
  • the respective control signals may be pulse width modulated signals.
  • the period for which the pulse width modulated signal is non-zero corresponds to the first respective time period for which the switches 20a, 20b operate in the on state and the time period for which the pulse width modulated signal is zero corresponds to the second respective time period for which the switches 20a, 20b operate in the off state.
  • the apparatus 10 may comprise capacitors 27 connected between the switches 20 and the electrical loads 25 for improving the power factor of the electrical loads 25.
  • capacitors 27 may be variable capacitor.
  • the apparatus 10 may comprise a power factor sensor 28 to detect the power factor of the electrical power supply to the loads 25. The power factor sensor 28 may provide the detected power factor to the processor 15.
  • the processor 15 may provide a control signal for varying a capacitance of the capacitors 27.
  • the capacitance of the capacitors 27 may be varied using a servo motor.
  • the servo motor may be connected to the capacitor 27 and the servo motor may vary the capacitance responsive to the control signal provided by the processor 15.
  • the capacitance of the capacitors 27 may be varied such that the power factor of the electrical power supply is improved.
  • the capacitors 27 may be of a constant capacitance.
  • the power factor sensor 28 may not be required as the capacitance of the capacitors 27 cannot be varied.
  • the processor 15 may be configured to provide the respective control signals to the switches 20a, 20b such that the switches 20a, 20b do not operate in the on state simultaneously.
  • the respective control signals provided to the switches 20a, 20b may be generated such that the non-zero period of the control signals do not occur simultaneously. For example, when the control signal provided to the switch 20a is non-zero, the control signal provided to the switch 20b is zero. Similarly, when the control signal provided to the switch 20b is non-zero, the control signal provided to the switch 20a is zero.
  • FIG 2 is a schematic representation of the respective control signals provided to the switches 20a, 20b of FIG 1 according to an embodiment herein.
  • the control signal 29 is provided to the switch 20a and the control signal 30 is provided to the switch 20b.
  • the non-zero period of the control signals 29, 30 do not occur simultaneously.
  • the non-zero period of the control signal 29 occur at the moment when the control signal 30 is zero and the nonzero period of the control signal 30 occur at the moment when the control signal 29 is zero.
  • the switches 20a, 20b do not operate in the on state simultaneously, electrical power to the electrical loads 25a, 25b is not provided simultaneously.
  • the non-zero period and the zero-period of the control signals 29, 30 may be in ⁇ .
  • the non-zero period may be 10 and the zero-period may be 2400 ⁇ .
  • FIG 3 is a schematic representation of the supply voltages provided to the electrical loads 25a and 25b of FIG 1.
  • the representation of the supply voltage, designated as 31, is provided to the electrical load 25a
  • the representation of the supply voltage, designated as 32 is provided to the electrical load 25b.
  • the power rating of the electrical loads 25a, 25b is 500 watt
  • the total electrical power consumed by the electrical loads as per the embodiments described herein is less than the summation of the power rating of the two loads 25a, 25b, i.e., 1000 Wh.
  • the reduction in power consumption may be increased by employing combinations of more number of switches 20 and electrical loads 25. For example, if a combination of three switches are implemented for supplying electrical power to three electrical loads as per the embodiments described herein, increased reduction in electrical power consumption may be achieved.
  • switches 20a, 20b electrically connected to the electrical loads 25 are illustrated. However, the switches may be electrically connected to more than one electrical load.
  • a single switch may be electrically connected to one or more electrical loads. The electrical power consumption of the one or more electrical loads connected to the single switch may be reduced by switching the switch between on and off state alternatively to provide electrical power to the load in a discontinuous manner, i.e., only during the on state.
  • the first time period for which the switches 20 operate in the on state may be such that electrical power is supplied to the electrical loads 25 for a minimum period that is required for the proper functioning of the electrical loads 25. This enables in increasing the reduction in electrical power consumption as electrical power is supplied to the electrical loads 25 for the minimum period required for the proper functioning of the electrical loads 25.
  • the second time period for which the switches 20 operate in the off state may be such that the supply of electrical power to the electrical loads 25 may be ceased for the maximum period which does not affect the functioning of the electrical loads 25.
  • the second time period may be configured to be such that the lighting device appears to illuminate in a continuous manner without flickers.
  • reduction in electrical power consumed by the electrical loads 25 may be increased.
  • having the second time period such that the supply of electrical power to the electrical loads 25 is ceased for the maximum period enables in employing increased number of switches.
  • the increased number of switches enable in reducing the consumption of electrical power further as the same amount of power may be used to drive increased number of electrical loads depending on the electrical ratings of the switches.
  • FIG 4 illustrates the apparatus 10 for reducing electrical power consumption of
  • the apparatus 10 may comprise a display 34 operably connected to the processor 15.
  • the display 34 may be configured to provide a visual indication of the electrical power being consumed by the electrical loads 25 of FIG 1 at an instance.
  • the display 34 may be configured to assist an individual in selecting a level at which electrical power consumption is to be reduced.
  • the reduction in electrical power consumption may be varied by varying the zero and non-zero periods of the control signals provided to the switches 20a, 20b. By varying the zero and nonzero periods of the control signals 29, 30 of FIG 2, the first time period for which the switches 20 operate in the on state and the second time period for which the switches 20 operate in the off state may be varied.
  • the second time period may be increased to increase the reduction of electrical power consumption.
  • the first time period may be reduced for increasing the reduction in electrical power consumption.
  • a particular level of power consumption may be selected by the individual depending on the type of electrical loads 25 being operated as the level of reduction in electrical power consumption is typically varied by varying the first time period and/or the second time period.
  • the display 34 may provide visual indication of the various levels of reduction of electrical power consumption.
  • the display 34 may also be configured to display menus or options and settings which the individual may select.
  • the apparatus 10 may comprise a user interface device 36 to assist the individual to select the desired level of power consumption reduction.
  • the user interface 36 may also enable the individual to select the desired menus or options and settings.
  • the user interface 36 is operably connected to the processor 15 and the processor 15 may be configured to receive the inputs provided by the individual through the user interface 36.
  • the user interface 36 device may include, but not limited to, keypad, button, trackball, joystick, touch screen, microphone, etc.
  • supply of electrical power to the electrical loads 25 may be discontinued using the user interface 36.
  • the user interface 36 may include a button or a key of the keypad, which when pressed by the individual may discontinue supply of electrical power to the electrical loads 25. Supply of electrical power to the electrical loads 25 may be reinstated by pressing the button or the key. This enables in switching off the supply to the electrical loads 25 when supply is on and switching on the supply when off.
  • inputs may be provided to the processor 15 remotely.
  • the inputs may be provided to the processor 15 using a remote control device 40.
  • the remote control device 40 may communicate with the processor 15 via wire or wirelessly.
  • the apparatus 10 may comprise a receiver 42 to receive the signals transmitted by the remote control device.
  • the processor 15 may be coupled to the receiver 42 and the signals received by the receiver 42 may be provided to the processor 15.
  • the remote control device 40 may communicate wirelessly with the receiver 42 via infrared signals or via radio signals.
  • the remote control device 40 may comprise a user interface device 44 for enabling the individual to provide inputs to the processor 15.
  • an individual may provide inputs to the apparatus 10 remotely.
  • the individual may select various options or menus provided and select a level of power consumption reduction as desired remotely.
  • FIG 5, with reference to FIG 1 through FIG 4, is a flow diagram illustrating a method of reducing electrical power consumption of a plurality of electrical loads according to an embodiment herein.
  • a plurality of switches 20 are operated in an on state and an off state, the on state electrically connecting the electrical loads 25 to a power supply 26 and the off state electrically disconnecting the electrical loads 25 to the power supply 26, wherein each switch 20 is electrically connected to at least one electrical load 25.
  • respective control signals 29, 30 are provided to of the switches 20, wherein each switch 20 alternatively operates in the on state for a respective first time period and in the off state for a respective second time period responsive to the respective control signals 29, 30, the respective first time period being less than the respective second time period, and wherein at least two switches 20 do not operate in the on state simultaneously.
  • the three electrical loads were connected to the alternating current power source via three respective switches of the apparatus described herein.
  • the three electrical loads consumed 1 kW in 83 minutes.
  • the embodiments described herein enable in reducing electrical power consumption at an electrical load. Moreover, electrical power consumption at a plurality of electrical loads may be reduced by providing electrical power to one of the electrical load and by not providing electrical power to the other electrical load at an instance. Additionally, a desired level of electrical power reduction may be selected from a plurality of levels of electrical power reduction by an individual. By selecting an appropriate level of electrical power reduction based on the type of the electrical loads connected to the switches, the reduction in electrical power consumption may be increased.
  • a plurality of switches may be used to connect street lights to the power supply.
  • Providing electrical power to the street lights as per the embodiments described herein enable in reducing the electrical power consumption substantially.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Supply And Distribution Of Alternating Current (AREA)

Abstract

La présente invention concerne un procédé et un appareil pour réduire la consommation d'énergie électrique. La présente invention concerne un procédé et un appareil pour réduire la consommation d'énergie électrique d'une pluralité de charges électriques (25), le procédé comprenant une pluralité de commutateurs (20) conçus pour fonctionner dans un état de marche et un état d'arrêt, l'état de marche connectant électriquement lesdites charges électriques (25) à une alimentation en énergie électrique (26) et l'état d'arrêt déconnectant électriquement lesdites charges électriques (25) de l'alimentation en énergie électrique (26), chacun desdits commutateurs (20) étant connecté électriquement à au moins une desdites charges électriques (25), un processeur (15) connecté fonctionnement, et conçu pour fournir des signaux de commande respectifs (29, 30) à chacun desdits commutateurs (20), et chacun desdits commutateurs (20) fonctionnant en alternance dans l'état de marche pendant une première période respective et dans l'état d'arrêt pendant une seconde période respective en réponse aux signaux de commande respectifs (29, 30), la première période respective étant inférieure à la seconde période respective, et au moins deux desdits commutateurs (20) ne fonctionnant pas dans l'état de marche simultanément.
PCT/IB2010/054889 2010-10-28 2010-10-28 Procédé et appareil pour réduire la consommation d'énergie électrique WO2012056272A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/IB2010/054889 WO2012056272A1 (fr) 2010-10-28 2010-10-28 Procédé et appareil pour réduire la consommation d'énergie électrique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IB2010/054889 WO2012056272A1 (fr) 2010-10-28 2010-10-28 Procédé et appareil pour réduire la consommation d'énergie électrique

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WO2012056272A1 true WO2012056272A1 (fr) 2012-05-03

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4349879A (en) * 1979-02-21 1982-09-14 South Eastern Electricity Board Apparatus for controlling electrical power consumption
US5543666A (en) * 1993-10-09 1996-08-06 Priesemuth; Wolfgang Method of reducing the peak load of energy supply network systems and apparatus for limiting the power consumption of a consumer unit fed from an energy supply connection
FR2794926A1 (fr) * 1999-06-10 2000-12-15 Bruno Gallois Procede et systeme de gestion de l'energie electrique fournie a un ensemble d'elements de chauffage electrique
US20020162032A1 (en) * 2001-02-27 2002-10-31 Gundersen Lars S. Method, system and computer program for load management

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4349879A (en) * 1979-02-21 1982-09-14 South Eastern Electricity Board Apparatus for controlling electrical power consumption
US5543666A (en) * 1993-10-09 1996-08-06 Priesemuth; Wolfgang Method of reducing the peak load of energy supply network systems and apparatus for limiting the power consumption of a consumer unit fed from an energy supply connection
FR2794926A1 (fr) * 1999-06-10 2000-12-15 Bruno Gallois Procede et systeme de gestion de l'energie electrique fournie a un ensemble d'elements de chauffage electrique
US20020162032A1 (en) * 2001-02-27 2002-10-31 Gundersen Lars S. Method, system and computer program for load management

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