WO2015199265A1 - Dispositif de gestion de facteur de charge basé sur une réponse à la demande et procédé de gestion de facteur de charge - Google Patents

Dispositif de gestion de facteur de charge basé sur une réponse à la demande et procédé de gestion de facteur de charge Download PDF

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Publication number
WO2015199265A1
WO2015199265A1 PCT/KR2014/005766 KR2014005766W WO2015199265A1 WO 2015199265 A1 WO2015199265 A1 WO 2015199265A1 KR 2014005766 W KR2014005766 W KR 2014005766W WO 2015199265 A1 WO2015199265 A1 WO 2015199265A1
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WIPO (PCT)
Prior art keywords
power
load
information
battery
power supply
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PCT/KR2014/005766
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English (en)
Korean (ko)
Inventor
유호상
이관호
이성재
Original Assignee
이노넷 주식회사
(주)아이스톰
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.)
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Application filed by 이노넷 주식회사, (주)아이스톰 filed Critical 이노넷 주식회사
Priority to PCT/KR2014/005766 priority Critical patent/WO2015199265A1/fr
Publication of WO2015199265A1 publication Critical patent/WO2015199265A1/fr

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    • 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
    • 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
    • H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems

Definitions

  • the present invention relates to a demand management-based load power management device and a load power management method for managing power supplied to a device (or load terminal) that consumes power.
  • an electric device that is present in, provided with, or installed in a building, a building, a store, a home, an office, a mall, a school, and consumes power may be supplied with power through a power supply.
  • the power supply device may be an uninterruptable power supply (UPS).
  • UPS uninterruptable power supply
  • the uninterruptible power supply is used as a power source for various control systems, information systems, and other important loads, including computers requiring stable power supply.
  • the conventional power supply device provides only functions such as harmonic filtering and overcurrent blocking for stable power supply.
  • the present specification relates to a load power management apparatus for managing a load (for example, an electric device or a load terminal) that receives power, and obtains power information from a load power management server, based on the obtained power information.
  • a load for example, an electric device or a load terminal
  • a demand management based load power management device for selecting any one of a charging power charged in a battery and an external commercial power source as a power supply source and controlling the power supply device to supply power to the load terminal through the selected power supply source; It is an object of the present invention to provide a load power management system and load power management method including the same.
  • the demand management based load power management apparatus for achieving the above object, the communication unit for performing a communication with the load power management server to obtain power information; And a control unit controlling a power supply device for supplying power to a load terminal, wherein the control unit selects any one of a charging power charged in a battery and an external commercial power source as a power supply source based on the obtained power information.
  • the power supply device may be controlled to supply power to the load terminal through the selected power supply source.
  • the power information may include at least one of abnormal state information, power consumption peak information, and power rate information of a power system connected to the load terminal.
  • the controller determines whether the power system is in an abnormal state based on the abnormal state information, and when the power system is in an ideal state, charging power charged in the battery. It can be selected as the power supply source.
  • the controller determines whether the power usage for the power system reaches a peak value based on the power usage peak information, and when the power usage reaches the peak value,
  • the charged charging power may be selected as the power supply source.
  • the controller determines whether a current power rate exceeds a reference power rate based on the power rate information, and when the current power rate exceeds a reference power rate, the battery is charged in the battery. Charging power may be selected as the power supply source.
  • the controller may select the power supply source based on battery state information obtained from the power supply device.
  • the battery state information may include information related to at least one of a battery remaining amount and a battery voltage state for the battery.
  • the controller may select the commercial power source as the power supply source when the battery level is less than a reference value or the battery voltage state is unstable.
  • the controller may select the power supply source by prioritizing any one of the power information and the battery state information according to a predetermined priority.
  • the power supply device may wirelessly supply power to the load terminal through a wireless power transmitter.
  • the controller may generate a battery charge signal at a predetermined time or based on the power information, and the power supply device may generate the battery through the commercial power source according to the battery charge signal. It can be charged.
  • the predetermined time may be a night time zone.
  • the power information includes power charge information
  • the controller determines whether a current power charge is less than a preset charging power charge based on the power charge information, and wherein the current power charge is When less than the charging power rate, the power supply device may be controlled to charge the battery through the commercial power source according to the battery charging signal.
  • the communication unit may include: a first wired / wireless communication module configured to communicate with the load terminal; And a second wired / wireless communication module for communicating with the load power management server.
  • the controller transmits at least one of time-based power rate information and power usage information consumed by the load terminal to the load terminal through the first wired / wireless communication module, and the second wired / wireless
  • the at least one of battery state information on the battery and control state information on the power supply device may be transmitted to the load power management server through a communication module.
  • control unit may transmit the payment information obtained from the user's payment system to the load power management server through the second wired / wireless communication module.
  • the communication unit receives a demand response request from the load power management server, and the controller controls the charging power charged in the battery when the demand management request is received. It can be selected as the power supply source.
  • the load power management server may be to obtain at least one of the power information and the demand management request from a power company server.
  • the demand management based load power management apparatus may further include a display configured to display at least one of the power information and control state information of the power supply device on a screen.
  • the controller may control the display unit to display saving charge information on the saved electric charge on the screen when the charging power charged in the battery is selected as the power supply source.
  • the external commercial power source may be at least one of a renewable generation source based on a 220V AC commercial power source and renewable energy.
  • the renewable energy may be energy related to at least one of sunlight, tidal power, and wind power.
  • the external commercial power source is a 220V AC commercial power source
  • the control unit generates a battery charging signal at a predetermined time or based on the power information
  • the power supply device is the battery.
  • the battery may be charged through an external power source according to a charging signal.
  • the external power source may be a renewable power source based on renewable energy
  • the renewable energy may be energy related to at least one of sunlight, tidal power, and wind power.
  • the load power management server for obtaining at least one of the power information and the demand management request from the power company server; A load terminal consuming power; A power supply for supplying power to the load terminal; And a load power management device, wherein the load power management device may be a load power management device according to the embodiments described above.
  • the load power management method for achieving the above objects, the method comprising the steps of obtaining at least one of the power information and the demand management request from the load power management server; Selecting one of a charging power charged in a battery and an external commercial power source as a power supply source based on at least one of the power information and the demand management request; And supplying power to the load terminal through the selected power supply source.
  • a load power management system and load power management method including the same according to an embodiment disclosed in the present specification, abnormal state information, power consumption peak information, and power of a power system connected to a load terminal
  • the optimal demand management can be achieved by supplying the load terminal with the charging power charged in the battery as needed based on the power information including the charge information (including the time-based power charge information).
  • FIG. 1 is a conceptual diagram of a load power management system according to an embodiment of the present disclosure.
  • FIG. 2 is a configuration diagram illustrating a configuration of a demand management based load power management apparatus according to an embodiment disclosed in the present specification.
  • FIG. 3 is an exemplary diagram illustrating information displayed on a screen by a demand management based load power management apparatus according to an embodiment disclosed in the present specification.
  • FIG. 4 is a flowchart illustrating a load power management method according to an embodiment disclosed in the present specification.
  • FIG 5 is an exemplary view showing a power supply and a battery charging method through a renewable power source according to an embodiment disclosed in the present specification.
  • FIG. 6 is an exemplary view showing a battery charging method through a renewable power source according to an embodiment disclosed in the present specification.
  • the technology disclosed herein is a demand management based load power management device for managing power supplied to at least one load terminal consuming power, a load power management system including the demand management based load power management device and load power management Applicable to the method.
  • the load terminal refers to a terminal in a broad sense and may be a concept including an electric device, a portable or fixed device, or a terminal consuming power.
  • the electric device may include home appliances such as a washing machine, a dryer, a water purifier and a refrigerator, and an A / V device such as an audio and video device.
  • home appliances such as a washing machine, a dryer, a water purifier and a refrigerator
  • a / V device such as an audio and video device.
  • the electric device is a device, a facility (or a sub-system) provided in a certain area, for example, air conditioner, ventilation, air conditioner (air conditioner), fan, boiler, cooling tower, pump, on / It may mean a humidity sensor, a refrigerator, a lighting device, a power device, a refrigerator, a freezer, a showcase, a fire system, and the like.
  • the technology disclosed herein may be applied to portable or stationary devices or terminals that are wired or wirelessly connected to the demand management based load power management device.
  • a portable or fixed device or terminal connected to the load terminal or the demand management based load power management device means a terminal in a broad sense, and includes a digital television (TV), a smart TV, a smart phone, and a mobile terminal.
  • TV digital television
  • PDA Personal Digital Assistant
  • PMP Portable Multimedia Player
  • PC Portable Multimedia Player
  • IPTV Internet Protocol Television
  • Digital Broadcasting Terminal Telematics Terminal, Navigation Terminal, AVN (Audio Video Navigation) Terminal, Television, 3D Television, Audio / Video System, Home Theater System It may mean various devices or devices such as an information providing center and a call center.
  • the technology disclosed herein is a demand management-based load power management device for managing the power consumed by the load terminal by controlling the power supply for supplying power to the load terminal present, equipped or installed in a certain area It is about.
  • the demand management based load power management apparatus or load power management system may also perform a function of managing energy to power consumed by the load terminal in terms of demand management.
  • the certain area may be a broad concept including a building, a building, a store, a home, an office, a mall, a school, and the like (including their outdoor facilities).
  • the store means a place where a certain item can be bought and sold.
  • the store may include a store, a bakery, a convenience store, and the like.
  • the store is particularly a concept including a chain store corresponding to a store organization that centrally controls a plurality of stores handling a plurality of products.
  • first and second may be used to describe various components, but the components should not be limited by the terms. The terms are used only for the purpose of distinguishing one component from another.
  • first component may be referred to as the second component, and similarly, the second component may also be referred to as the first component.
  • FIG. 1 is merely exemplary, and it will be apparent to those skilled in the art that the technology disclosed herein may be applied to various types of load power management systems within the scope of the present invention.
  • FIG. 1 is a conceptual diagram of a load power management system according to an embodiment of the present disclosure.
  • the load power management system includes a load power management server 200, a demand management based load power management device 100: 100_1, 100_2, and a load terminal 400: 400_1, 400_2).
  • the load power management system may include a power supply device (see 500 of FIG. 2) for supplying power to the load terminals 400: 400_1 and 400_2.
  • the load power management server 200 is a demand management-based load power management device 100: 100_1, 100_2 which manages power supplied to load terminals 400: 400_1 and 400_2 that are present, equipped or installed in a predetermined area. It can play a role of controlling or managing remotely.
  • the load power management server 200 is the demand management based load power management device for the information on the power usage for a specific period for the load terminal 400 (400_1, 400_2) ( 100: 100_1, 100_2).
  • the specific period may be specified or set by a user.
  • the specific period may be one day, one week or one month can be specified.
  • the load power management server 200 may obtain information about the power usage every day. In addition, for example, the load power management server 200 may obtain information on power usage from January 1 to January 20.
  • the certain area may be a broad concept including a building, a building, a store, a home, an office, a mall, a school, and the like (including their outdoor facilities).
  • the load power management server 200 may communicate with the demand management based load power management apparatus 100: 100_1 and 100_2 through the wired / wireless network N100.
  • the communication between the load power management server 200 and the demand management based load power management apparatus 100: 100_1, 100_2 through the wired / wireless network N100 may be performed using various communication methods or communication protocols.
  • the load power management server 200 includes the demand management based load power management apparatus 100: 100_1, 100_2, a mobile communication network, a transmission control protocol / Internet protocol (TCP / IP), and a local area network (LAN). Communication may be performed using at least one communication method or a communication protocol among a wireless LAN, a Wi-Fi, a Wi-Fi, a Wi-Fi, and a Wimax.
  • the load power management server 200 may obtain at least one of the power information and the demand management request from the power company server 300.
  • the power information may include at least one of abnormal state information, power consumption peak information, and power rate information of a power system connected to the load terminals 400: 400_1 and 400_2.
  • the abnormal state information may be information on whether the power system is in an abnormal state such as an overload or an overcurrent in the power system.
  • the abnormal state information when the load power management server 200 or the demand management based load power management device (100: 100_1, 100_2) is determined based on the abnormal state information, the external commercial power is the load It may be information that is a basis for determining whether power can be normally supplied to the terminals 400: 400_1 and 400_2.
  • the external commercial power source may be an AC power source.
  • the external commercial power source may be 220Vac (220V AC power).
  • the power consumption peak information may be information related to whether the amount of power used through the power system is the maximum value (or peak value) within a specific period (for example, one day, one week, or one month).
  • the power consumption peak information may be information on whether the power usage at a specific time period represents a maximum value.
  • the peak power consumption information may be information that is a basis for determining whether demand management for the load terminals 400: 400_1 and 400_2 is required.
  • the power charge information may be information related to a power charge or an electricity charge of power supplied to the load terminals 400: 400_1 and 400_2.
  • the power rate information may include information related to time-based power rates or electricity rates.
  • the power fee information may be information that is a basis for determining whether demand management for the load terminals 400: 400_1 and 400_2 is required.
  • the demand management request may be a request to perform a function related to demand response (DR) on power consumed by the load terminals 400: 400_1 and 400_2.
  • DR demand response
  • the DR is a system derived from the necessity to establish an effective energy policy in an energy-consuming society.
  • DR a demand manager
  • DR has the advantage of rationally regulating electric power demand to reduce cost and stabilize power supply and demand, and to conserve national energy resources.
  • the demand management may include late night power utilization, peak demand power control, direct load control, remote control air conditioning, and time-based pricing for peak load suppression.
  • Demand response or demand management refers to the end-user's use of electricity outside of the usual consumption pattern in response to price or financial compensation or the utility's instructions.
  • utilities can provide financial rewards to end-users to reduce power consumption in response to high wholesale market prices or system reliability threats.
  • the demand response or demand management system saves electricity bills by paying a high rate when electricity demand reaches a peak when electricity demand is reduced and when it is not necessary, a low rate is paid.
  • the demand response or demand management system provides system operators who need to balance the real-time supply / demand balance of the nation's power system to directly provide end-users with a certain performance fee that reduces electricity use when the electricity demand peaks and electricity consumption is reduced. There may be a way of paying performance fees that leads to reduced electricity consumption.
  • the demand management request may mean a power management request for the load terminals 400: 400_1 and 400_2 based on the differential rate scheme or the performance fee payment scheme.
  • the remote management system 10 may further include a separate terminal 40 connected to the remote management server 1 by wire or wirelessly.
  • the load power management server 200 transmits at least one of the obtained power information and the demand management request through the demand management based load power management apparatus 100: 100_1, through the wired / wireless network N100. 100_2).
  • a user or a manager of the load power management server 200 accesses the load power management server 200 through a separate terminal (not shown) to remotely manage the demand management-based load power management devices 100: 100_1 and 100_2. You can manage from.
  • the separate terminal refers to a terminal in a broad sense, and may be a concept including a portable terminal.
  • the separate terminal 40 may include a personal computer (PC), a digital television (TV), a smart TV, a smart phone, a portable terminal, a mobile terminal, and personal information.
  • Terminal Personal Digital Assistant: PDA
  • PMP Portable Multimedia Player
  • IPTV Internet Protocol Television
  • IPTV Internet Protocol Television
  • Various devices or devices such as audio video navigation (AVN) terminals, televisions, 3D televisions, audio / video systems, home theater systems, information centers, call centers, etc. It may mean.
  • APN audio video navigation
  • the demand management based load power management apparatus 100 basically manages the power supplied to the load terminal 400.
  • the demand management based load power management apparatus 100 may communicate with the load terminal 400 by wire or wirelessly.
  • the demand management based load power management apparatus 100 controls the power supply device (not shown, 500 of FIG. 2) for supplying power to the load terminal 400 to the load terminal 400.
  • the power supply device may be an uninterruptable power supply (UPS).
  • UPS uninterruptable power supply
  • the power supply device may include a plurality of power supply sources.
  • the plurality of power supplies may be charging power charged in a battery and external commercial power.
  • the power supply device may be connected to the load terminal 400 through any one power supply source selected from the plurality of power supply sources under the control of the demand management based load power management device 100. Can supply power
  • the power supply device selects charging power charged in a battery as a power supply source according to a control signal generated by the demand management based load power management device 100, and loads the load based on the charging power. Power may be supplied to the terminal 400.
  • the power supply device may wirelessly supply power to the load terminal 400 through a wireless power transmitter.
  • the demand management based load power management apparatus 100 selects any one of a charging power charged in a battery and an external commercial power source as a power supply source based on the obtained power information, and selects the selected power.
  • the power supply device may be controlled to supply power to the load terminal 400 through a supply source.
  • the power information may include at least one of abnormal state information, power consumption peak information, and power rate information of a power system (not shown) connected to the load terminal 400.
  • the demand management based load power management apparatus 100 determines whether the power system is in an abnormal state based on the abnormal state information, and when the power system is in an abnormal state, The charging power charged in the battery may be selected as the power supply source.
  • the power system may refer to a power grid capable of providing power to the load terminal 400.
  • the battery The power supply device may be controlled to supply power to the load terminal 400 through charging power charged in the charging power.
  • the demand management based load power management apparatus 100 determines whether the power usage for the power system reaches a peak value based on the power usage peak information, and the power usage reaches a peak value. When reaching, the charging power charged in the battery may be selected as the power supply source.
  • the demand management-based load power management device 100 when the power consumption for the power system reaches the maximum value (or peak value) in the time period "1:00 ⁇ 2:00 pm", the battery The charging power charged in the may be selected as the power supply source.
  • the determination of whether the power usage reaches a maximum or peak value can be made in various ways.
  • the power usage exceeds the reference peak power usage, it may be determined that the power usage has reached a maximum or peak value.
  • the power consumption itself at a specific time point may be determined that the power consumption itself at a specific time point has reached a maximum or peak value based on an experimental result, a measurement result or an empirical rule.
  • the demand management based load power management apparatus 100 determines whether a current power rate exceeds a reference power rate based on the power rate information, and the current power rate exceeds a reference power rate.
  • the charging power charged in the battery may be selected as the power supply source.
  • the demand management based load power management apparatus 100 when the current power bill is 1000 won per hour, the reference power bill is 900 won per hour, can select the charging power charged in the battery as the power supply source. have.
  • the demand management based load power management apparatus 100 may select the power supply source based on battery state information obtained from the power supply device.
  • the battery state information may include information related to at least one of a battery remaining amount and a battery voltage state for the battery.
  • the demand management based load power management apparatus 100 may select the commercial power source as the power supply source when the battery level is less than a reference value or the battery voltage state is unstable.
  • the demand management based load power management apparatus 100 may prioritize any one of the power information and the battery state information according to a predetermined priority to select the power supply source. .
  • the demand management based load power management apparatus 100 may have an unstable voltage state of the battery even when the power usage reaches a peak value.
  • the power supply device may be controlled to supply power to the load terminal 400 using the external commercial power as a power supply source.
  • the demand management based load power management apparatus 100 may generate a battery charging signal at a predetermined time or based on the power information.
  • the power supply device may charge the battery through the commercial power source according to the battery charging signal.
  • the predetermined time may be a night time band.
  • the demand management-based load power management apparatus 100 charges the battery through the commercial power at night time when the power charge is relatively low, and at the afternoon time when power consumption reaches a peak value, the battery is charged to the battery.
  • the power supply device may be controlled to supply power to the load terminal 400 through charged charging power.
  • the power information may include power charge information.
  • the demand management based load power management apparatus 100 determines whether the current power rate is less than a predetermined charging power rate based on the power rate information, and if the current power rate is less than the charging power rate, the The power supply device may be controlled to charge the battery through the commercial power source according to a battery charging signal.
  • the demand management based load power management apparatus 100 when the current power bill is 1000 won per hour, and the preset charging power bill is 900 won, power to the load terminal 400 through an external commercial power source
  • the power supply device may be controlled to supply power to the load terminal 400 through the charging power charged in the battery. have.
  • the demand management based load power management apparatus 100 may include a communication unit 120 to communicate with the outside.
  • the communication unit 120 may communicate with the first wired / wireless communication module 120_1 communicating with the load terminal 400 and the load power management server 200.
  • Module 120_2 (see FIG. 2).
  • the demand management based load power management apparatus 100 may include time-based power rate information and power usage information consumed by the load terminal in the load terminal 400 through the first wired / wireless communication module. At least one can be transmitted.
  • the demand management based load power management apparatus 100 the battery state information for the battery and the power supply device to the load power management server 200 through the second wired or wireless communication module
  • the load power management apparatus for transmitting at least one of the control state information for.
  • the battery state information may include information related to at least one of a battery remaining amount and a battery voltage state for the battery.
  • control state information for the power supply device information related to at least one of the type of power supply currently selected, the reason and why the currently selected power supply is selected, and the power bill saved due to the power supply through the currently selected power supply. It may include.
  • the power supply device selects any one of the battery and the external commercial power source as a power supply source through at least one switch (for example, an AC switch), and the information on the type of the currently selected power supply source is
  • the concept may include the state information of the at least one switch (for example, on-off information of the switch) (see the first switch SW10 to the third switch SW30 shown in FIG. 2). ).
  • the demand management based load power management device 100 through the second wired or wireless communication module 120_2 the payment information obtained from the user billing device (M100) through the load power management server ( 200) (see FIG. 2).
  • the communication unit 120 may receive a demand response request from the load power management server 200.
  • the demand management based load power management apparatus 100 may select the charging power charged in the battery B10 as the power supply source (see FIG. 2).
  • the load power management server 200 may obtain at least one of the power information and the demand management request from the power company server 200.
  • the demand management based load power management apparatus 100 may further include a display unit 130 for displaying at least one of the power information and the control state information for the power supply device on the screen. (See FIG. 2).
  • the demand management based load power management apparatus 100 when the charging power charged in the battery (B10) is selected as the power supply source, the display unit 130 to display the saving rate information for the saved electricity rate on the screen ) Can be controlled.
  • the load terminal 400 may play a role of performing a specific function by consuming power.
  • the load terminal 400 refers to a terminal in a broad sense, and may be a concept including an electric device, a portable or fixed device, or a terminal that consumes power.
  • the electric device may include home appliances such as a washing machine, a dryer, a water purifier and a refrigerator, and an A / V device such as an audio and video device.
  • home appliances such as a washing machine, a dryer, a water purifier and a refrigerator
  • a / V device such as an audio and video device.
  • the load terminal 400 may be supplied with power through the power supply device.
  • the load terminal 400 supplies power through any one selected from the battery B10 and an external commercial power supply 220Vac under the control of the demand management based load power management apparatus 100. I can receive it.
  • Demand management-based load power management apparatus may be implemented by some or a combination of components or steps included in the above-described embodiments, or may be implemented in a combination of embodiments, In the following description, overlapping portions may be omitted for clarity in describing the embodiment of the central management server.
  • the load power management apparatus relates to a load power management apparatus for managing a load (for example, an electric device or a load terminal) that is supplied with power, and loads power information into load power.
  • a load for example, an electric device or a load terminal
  • loads power information into load power Obtaining from a management server, selecting any one of a charging power charged in a battery and an external commercial power source as a power supply source based on the obtained power information, and supplying power to the load terminal through the selected power supply source; It relates to a demand management based load power management device for controlling a power supply device.
  • An apparatus for managing demand based load power includes a communication unit configured to perform communication with a load power management server to obtain power information, and a controller to control a power supply device for supplying power to a load terminal.
  • the controller may select one of a charging power charged in a battery and an external commercial power source as a power supply source based on the obtained power information, and supply power to the load terminal through the selected power supply source. Power supply can be controlled.
  • the power information may include at least one of abnormal state information, power consumption peak information, and power rate information of a power system connected to the load terminal.
  • the controller may determine whether the power system is in an abnormal state based on the abnormal state information, and when the power system is in an abnormal state, charging power charged in the battery is stored in the power. Can be selected as a source
  • the controller determines whether the power usage of the power system reaches a peak value based on the power usage peak information, and when the power usage reaches the peak value, the controller is charged in the battery. Charging power may be selected as the power supply source.
  • the controller determines whether a current power rate exceeds a reference power rate based on the power rate information, and when the current power rate exceeds a reference power rate, the charged power charged in the battery May be selected as the power supply source.
  • the controller may select the power supply source based on the battery state information obtained from the power supply device.
  • the battery state information may include information related to at least one of a battery remaining amount and a battery voltage state for the battery.
  • the controller may select the commercial power source as the power supply source when the battery level is less than a reference value or the battery voltage state is unstable.
  • the controller may select the power supply source by prioritizing any one of the power information and the battery state information according to a predetermined priority.
  • the power supply device may wirelessly supply power to the load terminal through a wireless power transmitter.
  • the controller may generate a battery charge signal at a predetermined time or based on the power information, and the power supply device may charge the battery through the commercial power according to the battery charge signal. Can be.
  • the predetermined time may be a night time band.
  • the power information includes power charge information
  • the controller determines whether a current power charge is less than a preset charging power charge based on the power charge information, and the current power charge is the charging. If less than a power charge, the power supply device may be controlled to charge the battery through the commercial power source according to the battery charge signal.
  • the communication unit may include a first wired / wireless communication module for communicating with the load terminal and a second wired / wireless communication module for communicating with the load power management server.
  • the controller transmits at least one of time-based power rate information and power usage information consumed by the load terminal to the load terminal through the first wired / wireless communication module, and the second wired / wireless communication module Through at least one of the battery state information for the battery and the control state information for the power supply to the load power management server through.
  • the controller may transmit the payment information obtained from the user's payment system to the load power management server through the second wired / wireless communication module.
  • the communication unit receives a demand response request from the load power management server, and when the demand management request is received, the control unit charges the charging power charged in the battery to the power.
  • the load power management server may obtain at least one of the power information and the demand management request from a power company server.
  • the load power management apparatus may further include a display configured to display at least one of the power information and control state information of the power supply apparatus on a screen.
  • the controller may control the display unit to display saving rate information on the saved electricity rate on the screen.
  • FIG. 2 is a block diagram showing a configuration (including a configuration of a power supply) of a demand management based load power management apparatus according to an embodiment disclosed in the present specification.
  • the demand management based load power management apparatus 100 may include a controller 110 and a communication unit 120.
  • the demand management based load power management apparatus 100 may further include a display 130.
  • the demand management based load power management apparatus 100 may further include an input unit 140.
  • the demand management based load power management apparatus 100 may further include various components for a power management function for the load terminal according to an embodiment disclosed herein.
  • the demand management based load power management apparatus 100 having more or fewer components may be implemented.
  • the power supply device 500 basically supplies power to the load terminal 400 based on an external commercial power supply 220Vac. Can serve as a supplier
  • the power supply device 500 may include a rectifier R10 and a first switch SW10 for supplying power through the external commercial power supply 220Vac.
  • the power supply device 500 may supply power to the load terminal 400 based on the charging power charged in the battery B10.
  • the power supply device 500 may charge the battery B10 through the external commercial power source.
  • the power supply device 500 includes a rectifier (R10), an inverter (I10), a third switch (SW30), a battery switch (BW10) for supplying power through the battery (B10) or charging through the external commercial power source. It may include a battery charger (BC10) and the battery (B10).
  • the rectifier R10, the battery switch BW10, the inverter I10, and the battery charger BC10 charge and discharge the battery B10 (or supply power to the load terminal 400). It may be a circuit for.
  • a control signal eg, 'AC switch control' of FIG. 2
  • the load terminal 400 based on any one selected from the battery B10.
  • the power supply device 500 may include a plurality of switches (first switch SW10 to third switch SW30) for selecting any one of the battery B10 and the external commercial power supply 220Vac. Can be.
  • the plurality of switches SW10 to SW30 may be AC switches for switching AC signals.
  • the first switch SW10 and the second switch SW20 may be switching elements for selecting any one of the battery B10 and the external commercial power supply 220Vac as a power supply source.
  • the first switch SW10 may be a switch for bypassing the external commercial power 220Vac, which is an AC power source.
  • the battery may be a switch for bypassing the external commercial power supply 220Vac.
  • the second switch SW20 selects charging power charged in the battery B10 as a power supply source by bypassing the AC power converted by the inverter I10 by the DC power source of the battery B10. It can play a role.
  • the third switch SW30 may play a role of allowing the battery B10 to be charged through the external commercial power supply 220Vac.
  • the third switch SW30 is turned on according to the control signal generated by the control unit 110 (the 'AC switch control' signal of FIG. 2), so that the battery B10 is low at night. ) Can be charged.
  • the power supply device 500 may measure the amount of power consumed by the load terminal 400.
  • the power supply device 500 may include a power meter MO10.
  • the power meter MO10 may function to remotely read power consumption, and to check overcurrent.
  • the power supply device 500 may wirelessly supply power to the load terminal 400.
  • the power supply device 500 may include a wireless power transmitter (W10).
  • control unit 110 basically, to supply power to the load terminal 400 to perform a power management function It may serve to control the power supply device 500.
  • the controller 110 selects one of a charging power charged in a battery and an external commercial power source as a power supply source based on power information, and loads the load terminal 400 through the selected power supply source.
  • the power supply device 500 may be controlled to supply power to the power supply.
  • the controller 110 may generate the control signal (the 'AC switch control' signal of FIG. 2) to control the first switch SW10 to the third switch SW30.
  • the communication unit 120 may play a role of communicating with an external device.
  • the communication unit 120 may communicate with the first wired / wireless communication module 120_1 communicating with the load terminal 400 and the load power management server 200. Module 120_2.
  • the first wired / wireless communication module 120_1 may communicate with the load terminal 400 in a wired or wireless manner to transmit time zone fee information and electricity usage fee information to the load terminal 400.
  • the second wired / wireless communication module 120_2 may communicate with the load power management server 200 through the wired / wireless network N100.
  • the demand management based load power management apparatus 100 the state of the electricity rate information or the switch (SW10 ⁇ SW30) from the load power management server 200 through the second wired or wireless communication module (120_2)
  • Control information eg, a control signal for controlling the switch on-off state
  • the demand management based load power management device 100 the battery voltage state, the AC switch state (switch-on) through the second wired or wireless communication module 120_2 to the load power management server 200 Off state) or payment information.
  • the display 130 may basically serve to display, on the screen, information processed or generated by the controller 110 or information obtained by the communication unit 120.
  • the display unit 130 may display a management screen for performing power management on the load terminal 400.
  • the display unit 130 may display a user interface (UI) or a graphic user interface (GUI) related to a function provided by the demand management based load power management apparatus 100.
  • UI user interface
  • GUI graphic user interface
  • the display unit 130 may display the processing result of the control unit 110 on the screen (S100).
  • the display unit 130 may display at least one of the power information, the battery state information, and the control state information of the power supply device 500 on the screen.
  • the power information may include at least one of abnormal state information, power consumption peak information and power bill information for the power system connected to the load terminal 400.
  • the battery state information may include information related to at least one of a battery remaining amount and a battery voltage state for the battery B10.
  • the control state information on the power supply device 500 may be a type of power supply (for example, which of the battery B10 and the external commercial power supply 220Vac is the power supply source for the load terminal 400). Whether or not, the reason for the selection of the currently selected power supply source or the reason (for example, power saving) or information on the electric charge saved as a result of the control of the power supply 500.
  • the controller 110 controls the display unit 130 to display saving charge information on the saved electric charge on the screen. can do.
  • FIG. 3 is an exemplary diagram illustrating information displayed on a screen by a demand management based load power management apparatus according to an embodiment disclosed in the present specification.
  • the display unit 130 may display the first area A100 on the screen S100.
  • the control state information and the battery state information of the power supply device 500 may be displayed.
  • the display unit 130 may display information such as "power supply source: battery”, “power source selection basis: power rate reduction”, and “battery level: 80%" in text form in the first area A100. Can be displayed.
  • the display unit 130 displays the electric charge saving information saved by the battery B10 selected as a power supply source for the load terminal 400 on the second area A200 on the screen S100. can do.
  • the display unit 130 may display information “20% saving compared with the existing” in the text format in the second area A200.
  • the display unit 130 may include a liquid crystal display, a thin film transistor-liquid crystal display, an organic light-emitting diode, a flexible display, and a three-dimensional display. It may include at least one of (3D display).
  • two or more display units 130 may exist according to an implementation form of the demand management based load power management apparatus 100.
  • an external display unit (not shown) and an internal display unit (not shown) may be simultaneously provided in the demand management based load power management apparatus 100.
  • the display unit 130 and a sensor for detecting a touch operation form a mutual layer structure (hereinafter, referred to as a “touch screen”)
  • the display 130 is output.
  • the touch sensor may have, for example, a form of a touch film, a touch sheet, a touch pad, or the like.
  • the input unit 140 may serve to receive a user input for controlling the demand management based load power management apparatus 100.
  • the input unit 140 may allow a user to generate input data for controlling the operation of the demand management based load power management apparatus 100.
  • the input unit 140 may include a key pad, a dome switch, a touch pad (constant voltage / capacitance), a jog wheel, a jog switch, and the like.
  • a touch pad constant voltage / capacitance
  • a jog wheel a jog switch
  • a touch screen a touch screen
  • the input unit 140 may receive (or receive) various user inputs as described above from a user.
  • the input unit 140 may receive a control input related to power management of the load terminal 400 input on the management screen displayed by the display unit 130.
  • the demand management based load power management apparatus 100 may obtain payment payment information from the user payment settlement device M100.
  • the demand management based load power management apparatus 100 may transmit the acquired payment information to the load power management server 200 through the second wired / wireless communication module 120_2.
  • the demand management based load power management apparatus 100 when receipt is issued for the payment made, the receipt may be output through the receipt output machine (M200).
  • the method for managing load power may be implemented by some or a combination of components or steps included in the above-described embodiments, or may be implemented by a combination of embodiments, and according to an embodiment
  • the overlapping parts can be omitted for clarity of the load power management method.
  • FIG. 4 is a flowchart illustrating a load power management method according to an embodiment disclosed in the present specification.
  • the method for managing load power may be performed in the following steps.
  • At least one of power information and demand management request may be obtained from the load power management server (S110).
  • one of the charging power charged in the battery and an external commercial power source may be selected as the power supply source based on at least one of the power information and the demand management request (S120).
  • power may be supplied to the load terminal through the selected power supply source (S130).
  • An apparatus for managing load power using a renewable power source based on renewable energy may be implemented by some or a combination of components or steps included in the above-described embodiments, or a combination of the embodiments. In the following description, overlapping portions may be omitted for clarity of the load power management apparatus using a renewable power source based on renewable energy according to an embodiment.
  • An apparatus for managing demand based load power includes a communication unit configured to perform communication with a load power management server to obtain power information, and a controller to control a power supply device for supplying power to a load terminal.
  • the controller may select one of a charging power charged in a battery and an external commercial power source as a power supply source based on the obtained power information, and supply power to the load terminal through the selected power supply source. Power supply can be controlled.
  • the external commercial power source may be at least one of a renewable power source based on a 220V AC commercial power source and renewable energy.
  • the renewable energy may be energy related to at least one of sunlight, tidal power, and wind power.
  • the external commercial power is a 220V AC commercial power
  • the control unit generates a battery charging signal at a predetermined time or based on the power information, the power supply device, the battery charging The battery may be charged by an external power source according to a signal.
  • the external power source may be a renewable power source based on renewable energy
  • the renewable energy may be energy related to at least one of sunlight, tidal power, and wind power.
  • FIG 5 is an exemplary view showing a power supply and a battery charging method through a renewable power source according to an embodiment disclosed in the present specification.
  • the external commercial power source may be based on various power sources or energy sources.
  • the external commercial power source may be a 220V AC commercial power source as shown in FIG. 2, but may be a renewable power source (or a renewable generator, RG10) based on renewable energy as shown in FIG. 5.
  • the renewable energy may be energy related to at least one of sunlight, tidal power, and wind power.
  • the power supply device 500 ′ disclosed in FIG. 5 supplies at least one DC switch DW10 to DW30 to supply power to the load terminal 400 or to charge the battery B10 through the regenerative generation source RG10. It may include.
  • the controller 110 disclosed in FIG. 5 may generate a 'DC switch control' signal for controlling the at least one DC switch (first DC switch: DW10 to third DC switch: DW30) (FIG. 5).
  • FIG. 6 is an exemplary view showing a battery charging method through a renewable power source according to an embodiment disclosed in the present specification.
  • the load power management apparatus 100 may supply power to the load terminal 400 through a 220V AC commercial power, and charge the battery B10 using a renewable power source ( The power supply 500 ′′ may be controlled to be made through the RG10.
  • the power supply 500 ′′ illustrated in FIG. 6 may include a fourth DC switch DW40 to charge the battery B10 through the regenerative generation source RG10.
  • the control unit 110 disclosed in FIG. 6 includes a plurality of AC switches for supplying power to the load terminal 400 through 220V AC commercial power and charging the battery B10 through the regenerative power generation source RG10.
  • 1 switch: SW10 to 3rd switch: SW30 " AC switch control " signal for controlling at least one DC switch (battery switch: BW10 and 4th DC switch < RTI ID 0.0 > DW40) < / RTI > May be generated (see FIG. 6).
  • the technology disclosed herein uses a commercial power supply source for supplying power to a load terminal as the smart grid is activated and the demand response market is expected to expand.
  • the present invention relates to a demand management-based load power management device that performs a demand management function by controlling a power supply to elastically change from a power source to a charging power charged in a battery.
  • demand management may mean controlling the power supply to a terminal (or load terminal) that uses power with time-based power rate information received by a specific protocol from a power company or KEPCO. have.
  • the washing machine provided at home may not operate because the power rate is high during peak hours or during the day, using the time-hour power rate information, and the washing machine may operate at night.
  • the load power management server that receives the power rate information (by time zone) obtained from the power company server 300 provided by the power company may establish a wired / wireless communication network in a load power management device installed at home, office, or outdoors. Through the power bill information can be delivered.
  • the demand management based load power management apparatus may communicate with the load terminal to control the load terminal or the power supply so that power is consumed at the optimal power plan.
  • the power company server 300 may be a system operated by the power company.
  • the power company may be a Korean power company in Korea.
  • the load terminal may refer to a terminal having a wide concept including various terminals using electricity such as a mobile phone, a washing machine, and audio.
  • the demand management-based load power management device is a remote power meter (for example, remote meter reading through the electricity meter (MO10) disclosed in Figure 2), emergency (for example, when the power system connected to the load terminal is in an abnormal state (failure state or overload state), AC power may be supplied to the load terminal based on the charging power charged in the battery when the power peak or power charge is high. Can be.
  • a remote power meter for example, remote meter reading through the electricity meter (MO10) disclosed in Figure 2
  • emergency for example
  • AC power may be supplied to the load terminal based on the charging power charged in the battery when the power peak or power charge is high.
  • the user may pay for the electric charge generated by the load terminal consuming power by the user payment device.
  • the user or manager of the demand management-based load power management device controls the power supply so that the battery is charged at night, and charged to the battery to the third party during the day or peak power time Charging power can be sold at relatively high electricity rates.
  • a load power management system and load power management method including the same according to an embodiment disclosed in the present specification, abnormal state information, power consumption peak information, and power of a power system connected to a load terminal
  • the optimal demand management can be achieved by supplying the load terminal with the charging power charged in the battery as needed based on the power information including the charge information (including the time-based power charge information).

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Supply And Distribution Of Alternating Current (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)

Abstract

La présente invention concerne un dispositif de gestion de facteur de charge permettant de gérer une charge (par exemple, un dispositif électrique ou une borne de sortie) recevant de l'énergie, et fournit un dispositif de gestion de facteur de charge basé sur une réponse à la demande, un système de gestion de facteur de charge le comprenant, et un procédé de gestion de facteur de charge, le procédé comprenant : l'acquisition d'informations d'énergie à partir d'un serveur de gestion de facteur de charge ; la sélection, en tant que bloc d'alimentation, d'un élément parmi une puissance de charge chargée dans une batterie et un bloc d'alimentation commercial externe sur la base des informations d'énergie acquises ; et la commande d'un dispositif d'alimentation en énergie pour fournir de l'énergie à la borne de sortie par l'intermédiaire du bloc d'alimentation sélectionné. À cet effet, le dispositif de gestion de facteur de charge basé sur une réponse à la demande selon un mode de réalisation comprend : une unité de communication permettant d'acquérir des informations d'énergie par la réalisation d'une communication avec le serveur de gestion de facteur de charge ; et une unité de commande permettant de commander le bloc d'alimentation fournissant de l'énergie à une borne de sortie, laquelle unité de commande peut sélectionner, en tant que bloc d'alimentation, l'un des éléments parmi la puissance de charge chargée dans la batterie et le bloc d'alimentation commercial externe sur la base des informations d'énergie acquises, et commander le bloc d'alimentation afin qu'il fournisse de l'énergie à la borne de sortie par l'intermédiaire du bloc d'alimentation sélectionné.
PCT/KR2014/005766 2014-06-27 2014-06-27 Dispositif de gestion de facteur de charge basé sur une réponse à la demande et procédé de gestion de facteur de charge WO2015199265A1 (fr)

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JP2012196123A (ja) * 2011-02-28 2012-10-11 Sekisui Chem Co Ltd 地域内電力需要管理システム
JP2012249476A (ja) * 2011-05-30 2012-12-13 Panasonic Corp 電力供給システム
KR101322617B1 (ko) * 2013-07-30 2013-10-29 이화전기공업 주식회사 배터리를 구비한 무정전전원장치의 에너지저장시스템 및 그 운전방법

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JP2000224769A (ja) * 1999-01-28 2000-08-11 Shikoku Electric Power Co Inc 分散型蓄電システム
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JP2012196123A (ja) * 2011-02-28 2012-10-11 Sekisui Chem Co Ltd 地域内電力需要管理システム
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KR101322617B1 (ko) * 2013-07-30 2013-10-29 이화전기공업 주식회사 배터리를 구비한 무정전전원장치의 에너지저장시스템 및 그 운전방법

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CN113050562A (zh) * 2021-03-12 2021-06-29 深圳市雷铭科技发展有限公司 一种物联网电力调配方法、系统及装置

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