WO2016187876A1 - Système et procédé d'alimentation électrique à économie d'énergie en temps partagé de sous-région - Google Patents

Système et procédé d'alimentation électrique à économie d'énergie en temps partagé de sous-région Download PDF

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Publication number
WO2016187876A1
WO2016187876A1 PCT/CN2015/080089 CN2015080089W WO2016187876A1 WO 2016187876 A1 WO2016187876 A1 WO 2016187876A1 CN 2015080089 W CN2015080089 W CN 2015080089W WO 2016187876 A1 WO2016187876 A1 WO 2016187876A1
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WIPO (PCT)
Prior art keywords
power
time
saving
temporarily
load
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PCT/CN2015/080089
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English (en)
Chinese (zh)
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WO2016187876A8 (fr
Inventor
赖晋礼
吴瑛
蔡子源
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达能科技股份有限公司
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Priority to PCT/CN2015/080089 priority Critical patent/WO2016187876A1/fr
Publication of WO2016187876A1 publication Critical patent/WO2016187876A1/fr
Publication of WO2016187876A8 publication Critical patent/WO2016187876A8/fr

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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00Circuit arrangements for ac mains or ac distribution networks
    • H02J3/12Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load
    • H02J3/14Circuit 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
    • H02J3/144Demand-response operation of the power transmission or distribution network
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2310/00The network for supplying or distributing electric power characterised by its spatial reach or by the load
    • H02J2310/50The network for supplying or distributing electric power characterised by its spatial reach or by the load for selectively controlling the operation of the loads
    • H02J2310/54The network for supplying or distributing electric power characterised by its spatial reach or by the load for selectively controlling the operation of the loads according to a pre-established time schedule
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/30Systems 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
    • Y02B70/3225Demand response systems, e.g. load shedding, peak shaving
    • YGENERAL 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS 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
    • Y04S20/00Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/20End-user application control systems
    • Y04S20/222Demand response systems, e.g. load shedding, peak shaving

Definitions

  • the invention relates to a power saving technology for power saving, in particular to a power supply system and method for partitioning time sharing and power saving.
  • the present invention realizes the partition time-sharing power saving by means of the power-saving controller installed by each user, and can effectively achieve the overall system power-saving effect without affecting the daily life of the user.
  • the technical means for achieving the above object adopts a partitioned time-sharing power supply system, comprising at least one power source, a plurality of users, each of the users being configured with at least one temporarily power-off load and at least one general load a plurality of power-saving controllers are disposed in each of the users, and the power-saving controller includes a first loop and a second loop respectively connected to the temporarily power-off load and the general load to the power source .
  • Each of the power-saving controllers includes a processing unit and a power supply unit connected to the power supply for supplying a working voltage to the processing unit and a timing unit, and is connected to the processing unit for providing a reference.
  • Time to the processing unit a first loop switch, connected between the power source and the first loop, the first loop switch is controlled by the processing unit to open and close, a power off
  • the time slot control unit is connected to the processing unit, and presets to record a plurality of rotating power supply intervals, and preset a predetermined power-off time and a predetermined power-on time in each of the rotating power supply intervals.
  • the power supply is supplied to the temporarily de-energized load via the first circuit, and the processing unit controls the first circuit switch to open and temporarily cut off the supply according to the predetermined power-off time preset in the rotating power supply interval.
  • the current to the temporarily de-energized load is controlled to be closed at the predetermined re-powering time to cause the power source to return the supply current to the temporarily de-energized load, and the power-off period control unit of each power-saving controller
  • the predetermined power-off time and the predetermined power-on time set in advance are set according to a mutual exclusion power-off time setting mechanism to reserve the power-saving controller of any one of the users in the rotating power supply interval.
  • the power-off time and the predetermined power-on time are set to be offset from each other by a predetermined power-off time set by the power-saving controller among other users and the predetermined power-on time.
  • the power-saving control device further includes an energy storage battery for supplying the working voltage to the processing unit.
  • the power-saving controller further includes a counting unit connected to the processing unit, and the processing unit temporarily cuts off the current supplied to the temporarily power-off load according to the predetermined power-off time, and then repeats the predetermined When the electrical time returns the supply current to the temporarily de-energized load, a count signal is sent to the processing unit.
  • the power-saving controller further includes an electrical information storage device connected to the processing unit for storing the current that the processing unit temporarily cuts off to the temporarily power-off load according to the predetermined power-off time.
  • the power-saving controller includes a pluggable data storage device connected to the processing unit for storing the power-saving information.
  • the power-saving control device further includes a data transmission interface connected to the processing unit, so that a reader reads the stored in the power-saving information storage device via the data transmission interface by using a predetermined communication protocol.
  • the power saving information
  • the data transmission interface is one of a radio frequency communication interface, a wifi communication interface, a Bluetooth communication interface, and a plug transmission interface.
  • the temporary power-off load in the respective users and the general load and the power-saving control device in the user further include a voltage regulator.
  • the partitioned time-sharing power supply method of the present invention comprises the following steps:
  • the power saving controller includes a first circuit and a first circuit switch, the first circuit switch is connected to the first circuit and the power source;
  • the predetermined power-off time pre-set by the power-off period control unit of each power-saving controller and the predetermined power-off time are set according to a mutual exclusion power-off time setting mechanism, and In the rotating power supply interval, the predetermined power-off time of the power-saving controller of any one of the users and the predetermined power-off time may be set with a predetermined power-off time and a predetermined power-off time set by the power-saving controller among other users.
  • the electrical time is set to be staggered from each other;
  • the power-saving controller controls the first circuit switch to open according to the predetermined power-off time preset in the rotating power supply interval And temporarily cutting off the current supplied to the temporarily power-off load, and then controlling the first circuit switch to be closed at the predetermined power-on time to return the power supply to the temporarily power-off load.
  • the above-mentioned technical means adopted by the present invention can achieve the overall system power saving effect by simple time-division control, and does not need to increase the power generation capacity of any power system, and therefore does not need to replace all high-pressure transmission.
  • the line can indeed save the cost of expensive high-voltage transmission lines and the expenditure of huge engineering costs.
  • Another effect of the present invention is that the design does not require power failure and re-powering in the entire area, and only the load that can be temporarily powered off by the section stop is required, and other load devices that cannot be powered off can still operate normally, and no power saving measures are taken. If the user has any influence, when the power is temporarily turned off and the power is scheduled, the concept of power saving in a large area can be met. With the research setting value of the expert, when the user turns off the power for some temporarily power-off loads ( For example, it can be used for time-consuming power-off of air-conditioning, heating, etc., which is the most power-consuming electrical equipment in the home.
  • FIG. 1 shows a block diagram of a system circuit in accordance with a preferred embodiment of the present invention.
  • Fig. 2 shows a further circuit diagram of the power saving control device 1 of one of the users U1 of Fig. 1.
  • FIG. 3 is a schematic diagram showing the intermittent power-off load of the power-off load under the control of each power-saving controller of each user in the present invention.
  • Figure 4 shows a control flow diagram of a preferred embodiment of the present invention.
  • FIG. 5 is a schematic diagram showing the setting of each power saving controller among the users in each partition of the present invention.
  • E1, E1a, E1b can temporarily power off the load
  • FIG. 1 is a block diagram of a system circuit in accordance with a preferred embodiment of the present invention. It is shown that the power supply system 100 in a time division power saving system includes at least one power source PS, a plurality of users U1, U2, U3, and a plurality of power saving controllers 1, 1a, 1b. The power saving controllers 1, 1a, 1b are arranged one by one in each of the users U1, U2, U3.
  • the power-saving controller 1 is connected to the power source PS and the temporarily power-off load E1 and the general load E2 via a first loop L1 and a second loop L2, respectively.
  • the power-saving controller 1a is connected to the power source PS and the temporarily power-off load E1a and the general load E2a via a first loop L1a and a second loop L2a, respectively.
  • the power-saving controller 1b connects the power source PS and the temporarily power-off load E1b and the general load E2b via a first loop L1b and a second loop L2b, respectively.
  • the power-saving controller 1, 1a, 1b further includes a power-off period control unit 11, 11a, 11b, and the power-off period control units 11, 11a, 11b of the users U1, U2, U3 are associated with each other and can pass each other
  • the power-off time setting mechanism tx plans the time when the power-saving controllers 1, 1a, 1b of the users U1, U2, and U3 are turned off and the power is turned off.
  • FIG. 2 shows a further circuit diagram of the power saving control device 1 of one of the users U1 of FIG.
  • the power saving controller 1 includes a processing unit 12, an electric energy supply unit 13, a timing unit 14, a first loop switch K1 and a second loop switch K2, and a power-off period control unit 11.
  • the power supply unit 13 is connected to the power source PS for supplying a working voltage V to the processing unit 12, and the timing unit 14 is connected to the processing unit 12 for providing a reference time t to the processing unit 12, and the first loop switch K1 is connected. Between the PS power source and the first circuit L1, the first circuit switch K1 can control the opening and closing of the first circuit switch K1 when receiving an opening and closing control signal S1 generated by the processing unit 12.
  • the processing unit 12 can also control whether the power source PS can supply power to the general load E2 via the second loop L2b through the second loop switch K2.
  • the power-off period control unit 11 is connected to the processing unit 12, wherein a plurality of polling power supply sections T are presetly recorded, and a predetermined power-off time t1 and a predetermined power-off time t2 are preset in each of the polling power supply sections T. .
  • the present invention can temporarily power off the load E1, E1a, E1b under the control of each power-saving controller 1, 1a, 1b in each user U1, U2, U3 in each rotating power supply interval T.
  • the set predetermined power-off time t1 and the predetermined power-on time t2 are set to be shifted from each other.
  • the predetermined power-off time t1 and the predetermined power-on time t2 pre-set in the power-off period control unit 11 are set according to the mutual exclusion power-off time setting mechanism tx, in which any one of the rotation power supply sections T
  • the predetermined power-off time t1 and the predetermined power-on time t2 of the power-saving controller 1 in the user for example, U1
  • the predetermined power-off time t1 set by the power-saving controllers 1a, 1b in other users such as U2 and U3
  • the predetermined power-on time t2 is set to a time shifted from each other.
  • the processing unit 12 controls the first circuit switch K1 to open according to the predetermined power-off time t1 preset in the rotating power supply interval T.
  • the current I supplied to the temporarily de-energized load E1 is temporarily cut off, and the first circuit switch K1 is controlled to be closed at the predetermined re-powering time t2, so that the power source PS returns the supply current I to the temporarily de-energized load E1. .
  • the power saving controller 1 further includes an energy storage battery 131, a counting unit 15, an electrical information storage device 16, a pluggable data storage device 161, a data transmission interface 17, and the data transmission interface 17 is a radio frequency One of communication interface, wifi communication interface, Bluetooth communication interface, and plug-in transmission interface.
  • the energy storage battery 131 is connected to the processing unit 12, and the required operating voltage can be supplied from the energy storage battery 131 when the power supply unit 13 is unable to supply the operating voltage V to the processing unit 12.
  • the processing unit 12 and the first circuit switch K1 are connected to the counting unit 15, and the current I supplied to the temporarily power-off load is temporarily cut off according to the predetermined power-off time t2, and the supply current is returned at the predetermined power-up time t2.
  • a count signal S2 is generated and sent to the processing unit 12.
  • Processing unit 12 is based on The metering signal S2 and the rated power consumption value of the temporarily de-energized load E1 can calculate the amount of power saved during the period from the predetermined power-off time t2 to the temporary power-off time until the predetermined power-down time t2 returns to the power supply.
  • Information S is based on The metering signal S2 and the rated power consumption value of the temporarily de-energized load E1 can calculate the amount of power saved during the period from the predetermined power-off time t2 to the temporary power-off time until the predetermined power-down time t2 returns to the power supply. Information S.
  • the power saving information storage device 16 can store the power saving information S, and the power saving information S can also be stored in the pluggable data storage device 161.
  • the user can connect or disconnect the pluggable data storage device 161 to or from the processing unit 12 in a pluggable manner.
  • the data transmission interface 17 is also connected to the processing unit 12 and is connected to a preset communication protocol 18, and the preset communication protocol 18 can transmit the power saving information S stored in the power saving information storage device 16 for reading.
  • the picker 2 reads the power saving information S.
  • FIGS. 1 to 3 shows a control flow diagram of a preferred embodiment of the present invention. A description will be given in conjunction with FIGS. 1 to 3.
  • the electric controllers 1, 1a, 1b are arranged in each of the users U1, U2, U3.
  • the power-saving controller 1 includes a first loop L1 and a first loop switch K1.
  • the first loop switch K1 is connected to the first loop L1 and the power source PS (step 101), during a power-off period.
  • a plurality of polling power supply sections T are recorded in advance (step 102), and a predetermined power-off time t1 and a predetermined power-on time t2 are preset in each of the polling power supply sections T (step 103).
  • the predetermined power-off time t1 and the predetermined power-on time t2 preset by the power-off period control unit 11 of each power-saving controller 1, 1a, 1b are based on a mutually exclusive power-off time.
  • the tx mechanism is set to be set, and in the rotating power supply interval T, the predetermined power-off time t1 and the predetermined power-on time t2 of the power-saving controllers 1, 1a, 1b of any one of the users are saved with other users.
  • the predetermined power-off time t1 and the predetermined power-on time t2 set by the controllers 1, 1a, 1b are set to be shifted from each other (step 104).
  • the power source PS supplies the current I to the temporarily power-off load via the first loop L1. E1 (step 105).
  • the power-saving controller 1, 1a, 1b controls the first loop switch according to the predetermined power-off time t1 preset in the rotating power supply section T.
  • K1 opens the circuit and temporarily cuts off the current PS supplied to the temporarily de-energized load E1, and then controls the first circuit switch K1 to close at the predetermined re-powering time t2 to return the power supply PS to the supply current I to the temporarily de-energized load E1 (step 106).
  • a counting signal may be generated by the counting unit 15 (step 107).
  • the processing unit 12 can calculate according to the counting signal S2 and the rated power consumption value of the temporarily power-off load E1.
  • the power saved by the power supply is temporarily cut off from the scheduled power-off time t2 until the scheduled power-down time t2 returns to the power-saving period, and the power-saving information S is obtained (step 108), and the power-saving information S can be transmitted via the data transmission interface 17.
  • a city when planning the power saving measure, as shown in FIG. 5, a city can be divided into a plurality of partition groups A1, A2, and A3, and each of the partition groups A1, A2, and A3 includes a plurality of users U1.
  • U2, U3, and each of the users U1, U2, U3 are respectively equipped with an electric controller 1, 1a, 1b.
  • the power-saving measures are led by the government, and the government can mutually exclude the power-off time setting mechanism tx to plan different scheduled power-off times t1 and predetermined complexes of the power-saving controllers of each of the sub-groups A1, A2, and A3.
  • the electric time t2 by setting the predetermined power-off time t1 and the predetermined power-off time t2, can cross-disconnect the time zones of each of the sub-groups A1, A2, and A3 for power-off and power supply, and under the control of each power-saving controller.
  • the electric time t2 can cross-disconnect the time zones of each of the sub-groups A1, A2, and A3 for power-off and power supply, and under the control of each power-saving controller.
  • the power is off, only the electrical equipment that can temporarily power off the load in each user U1, U2, U3 is powered off, and the rest of the general load electrical equipment can still be used for power supply.
  • the second and third partition groups A2 and A3 are normally powered.
  • the power-saving controllers 1, 1a, 1b of the first partition group A1 control the return power supply
  • the temporarily power-off load of each user U1, U2, U3 in the second partition group A2 is powered off
  • the three partition groups A3 are normally powered.
  • the power saving controllers of the second partition group A2 control the power supply
  • the temporarily power-off load of each user in the third partition group A3 is powered off, and the first partition group A3 is normally powered. In this way, the interleaving and power-off of each sub-group is interrupted. In the summer, the peak period of electricity consumption can avoid the user's electricity demand exceeding the power generation capacity, and the users can achieve the power-saving effect.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Supply And Distribution Of Alternating Current (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)

Abstract

L'invention concerne un système et un procédé d'alimentation électrique à économie d'énergie en temps partagé de sous-région, le système comprenant : au moins un bloc d'alimentation (PS); une pluralité d'utilisateurs (U1, U2, U3); et une pluralité de contrôleurs d'économie d'énergie (1, 1a, 1b), chaque contrôleur d'économie d'énergie (1, 1a, 1b) ayant une unité de traitement (12), une unité d'alimentation électrique (13), une unité de synchronisation (14), un premier commutateur de circuit (K1) et une unité de commande de période de mise hors tension (11, 11a, 11b). L'unité de commande de période de mise hors tension (11, 11a, 11b) est connectée à l'unité de traitement (12) et est préréglée avec une pluralité d'intervalles d'alimentation électrique rotatifs et les met en mémoire. Chaque intervalle d'alimentation électrique rotatif est configuré au préalable au moyen d'un temps de mise hors tension planifié et d'un temps de restauration de puissance planifié. Le temps de mise hors tension planifié et le temps de restauration de puissance planifié préréglés et mémorisés sont définis sur la base d'un régime dans lequel les temps de mise hors tension sont mutuellement exclusifs. Dans les intervalles d'alimentation électrique rotatifs, les contrôleurs d'économie d'énergie (1, 1a, 1b) de chaque utilisateur (U1, U2, U3) sont définis avec des temps de mise hors tension planifiés et des temps de restauration de puissance prédéfinis planifiés de manière mutuellement décalée. L'invention permet de réaliser une commande à temps partagé simple permettant d'obtenir des économies d'énergie d'un système tout entier, et ne nécessite pas d'augmentation de la capacité de production d'énergie d'un quelconque système électrique.
PCT/CN2015/080089 2015-05-28 2015-05-28 Système et procédé d'alimentation électrique à économie d'énergie en temps partagé de sous-région WO2016187876A1 (fr)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1618157A (zh) * 2001-11-30 2005-05-18 英科电子有限公司 用于远程控制局部站点的能量分配的系统
US20110282504A1 (en) * 2010-05-17 2011-11-17 General Electric Company Submetering Power Consumption of Appliances
US20120158204A1 (en) * 2010-12-16 2012-06-21 Lg Electronics Inc. Power control apparatus and power control method
CN102696198A (zh) * 2010-02-09 2012-09-26 Lg电子株式会社 用于使用智能设备来控制电力的装置及其方法
CN103718412A (zh) * 2011-08-03 2014-04-09 开放能源有限公司 响应负载控制方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1618157A (zh) * 2001-11-30 2005-05-18 英科电子有限公司 用于远程控制局部站点的能量分配的系统
CN102696198A (zh) * 2010-02-09 2012-09-26 Lg电子株式会社 用于使用智能设备来控制电力的装置及其方法
US20110282504A1 (en) * 2010-05-17 2011-11-17 General Electric Company Submetering Power Consumption of Appliances
US20120158204A1 (en) * 2010-12-16 2012-06-21 Lg Electronics Inc. Power control apparatus and power control method
CN103718412A (zh) * 2011-08-03 2014-04-09 开放能源有限公司 响应负载控制方法

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