WO2019221361A1 - Système de gestion d'énergie - Google Patents

Système de gestion d'énergie Download PDF

Info

Publication number
WO2019221361A1
WO2019221361A1 PCT/KR2019/000543 KR2019000543W WO2019221361A1 WO 2019221361 A1 WO2019221361 A1 WO 2019221361A1 KR 2019000543 W KR2019000543 W KR 2019000543W WO 2019221361 A1 WO2019221361 A1 WO 2019221361A1
Authority
WO
WIPO (PCT)
Prior art keywords
management system
power management
battery
power
control unit
Prior art date
Application number
PCT/KR2019/000543
Other languages
English (en)
Korean (ko)
Inventor
이재형
이동일
Original Assignee
엘에스산전 주식회사
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 엘에스산전 주식회사 filed Critical 엘에스산전 주식회사
Publication of WO2019221361A1 publication Critical patent/WO2019221361A1/fr

Links

Images

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
    • H02J3/28—Arrangements for balancing of the load in a network by storage of energy
    • H02J3/32—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
    • 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
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/10—Flexible AC transmission systems [FACTS]
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E70/00—Other energy conversion or management systems reducing GHG emissions
    • Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
    • 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 power management system.
  • the present invention relates to a power management system that performs a load-leveling operation.
  • a power management system is a storage device that stores over-produced or irregularly generated renewable energy in a power plant and transmits it when power is temporarily depleted.
  • a power management system refers to a system that stores electricity in an electric power system to supply energy when and where it is needed.
  • it is a collection that consists of storage in which a system is integrated into one product like a conventional secondary battery.
  • Power management systems are divided into physical energy storage and chemical energy storage.
  • Physical energy storage includes a method using pumped power generation, compressed air storage, flywheel, etc.
  • chemical energy storage includes a method using a lithium ion battery, a lead acid battery, and a Nas battery.
  • An object of the present invention is to provide a power management system and operation algorithm for performing a load averaging operation.
  • the objective of the present invention is to make the resources of the battery of the energy storage system as stable as possible by securing a flexible output at a specific time, rather than simply setting a specific output at a specific time.
  • the purpose of this study is to propose a power management system that cuts unnecessary output by calculating output value by applying droop control and weighted moving average between output and load relationship.
  • a battery storage system including a lithium ion battery, a charging control unit for controlling the energy input or output of the battery storage system, and information about the battery storage system and the charging control unit And a system controller configured to perform averaging schedule control based on the information, wherein the averaging schedule control includes checking an operation state of each module, determining a schedule performance in a power management system, a distribution management step, and a distribution management decision. Command output step.
  • the power management system of the present invention can efficiently perform the load averaging operation.
  • the power management system of the present invention can efficiently maintain the SOC level through a load averaging operation.
  • FIG. 1 is a block diagram showing an overall configuration of a power management system.
  • FIG. 2 is a block diagram of a power management system according to an embodiment of the present invention.
  • FIG. 3 is a block diagram of a small capacity power management system according to an embodiment of the present invention.
  • FIG. 4 is a conceptual diagram illustrating a power market structure according to an embodiment of the present invention.
  • FIG. 5 is a diagram illustrating a droop curve for controlling a plurality of battery charge / discharges according to an embodiment of the present invention.
  • FIG. 6 is a flowchart illustrating load averaging schedule control.
  • FIG. 8 is a block diagram showing distribution management.
  • Combinations of each block and each step of the flowchart in the accompanying drawings may be performed by computer program instructions.
  • These computer program instructions may be mounted on a processor of a general purpose computer, special purpose computer or other programmable data processing equipment such that the instructions executed by the processor of the computer or other programmable data processing equipment may be used in each block or flowchart of the drawing. It will create means for performing the functions described in the steps.
  • These computer program instructions may be stored in a computer usable or computer readable memory that can be directed to a computer or other programmable data processing equipment to implement functionality in a particular manner, and thus the computer usable or computer readable memory.
  • Instructions stored therein may produce an article of manufacture containing instruction means for performing the functions described in each step of each block or flowchart of the figure.
  • Computer program instructions may also be mounted on a computer or other programmable data processing equipment, such that a series of operating steps may be performed on the computer or other programmable data processing equipment to create a computer-implemented process to create a computer or other programmable data. Instructions for performing the processing equipment may also provide steps for executing the functions described in each block of the figures and in each step of the flowchart.
  • each block or step may represent a portion of a module, segment or code that includes one or more executable instructions for executing a specified logical function (s).
  • a specified logical function s.
  • the functions noted in the blocks or steps may occur out of order.
  • the two blocks or steps shown in succession may in fact be executed substantially concurrently or the blocks or steps may sometimes be performed in the reverse order, depending on the functionality involved.
  • FIG. 1 is a block diagram showing an overall configuration of a power management system.
  • the power management system 100 may form a platform with the power plant 2, the plant 3, the home 4 and another power plant or consumer 5.
  • the energy produced by the power plant 2 may be stored in the power management system 100.
  • the energy stored by the power management system 100 may be transmitted back to the factory 3, the home 4, or may be sold to other power plants or consumers.
  • the electric energy produced by the power plant 2 varies greatly depending on the environment and time. For example, in the case of photovoltaic power generation, production may vary depending on weather conditions or sunrise time. In such a large fluctuation, it may be difficult to stably use the produced electrical energy in the factory (3) or home (4).
  • the electrical energy produced by the power plant is stored once in the power management system. The stored electrical energy is stably output and can be used in the factory (3) or home (4). In addition, the remaining electrical energy can be sold to other consumers (5).
  • the electrical energy stored in the power management system 100 may purchase electrical energy from another power plant 5 when more than the stored electrical energy is consumed in the factory 3 or the home 4.
  • FIG. 2 is a block diagram of a power generation management system according to an embodiment of the present invention.
  • Power management system 100 is a power generator 101, DC / AC converter 103, AC filter 105, AC / AC converter 107, the system 109, the charging control unit 111, a battery power management system 113, a system controller 115, a load 117, and a DC / DC converter 121.
  • the generator 101 produces electrical energy.
  • the power generation device is a photovoltaic device
  • the power generation device 101 may be a solar cell array.
  • the solar cell array combines a plurality of solar cell modules.
  • a solar cell module is a device that generates a predetermined voltage and current by converting solar energy into electrical energy by connecting a plurality of solar cells in series or in parallel. Thus, solar cell arrays absorb solar energy and convert it into electrical energy.
  • the power generation device 101 may be a fan for converting wind energy into electrical energy.
  • the power management system 100 may supply power only through the battery power management system 113 without the generator 101. In this case, the power management system 100 may not include the generator 101.
  • the DC / AC converter 103 converts DC power into AC power.
  • the DC / AC converter 103 receives DC power supplied by the generator 101 or DC power discharged by the battery power management system 113 through the charging control unit 111 to convert directly into AC power.
  • the AC filter 105 filters the noise of power converted into AC power. According to a specific embodiment, the AC filter 105 may be omitted.
  • the AC / AC converter 107 converts the magnitude of the voltage of the AC power from which noise is filtered to supply AC power to the system 109 or the load 117.
  • the AC / AC converter 107 supplies power to the system 109 or to an independent load. According to a specific embodiment, the AC / AC converter 107 may be omitted.
  • the system 109 is a system in which many power plants, substations, transmission and distribution lines, and loads are integrated to generate and use electric power.
  • the load 117 receives electric energy from the power generation system and consumes power.
  • the battery power management system 113 receives electric energy from the generator 101 and charges it.
  • the battery power management system 113 discharges the charged electric energy according to the power supply and demand situation of the system 109 or the load 117. Specifically, when the system 109 or the load 117 is lightly loaded, the battery power management system 113 receives idle power from the generator 101 and charges it. When the system 109 or the load 117 is overloaded, the battery power management system 113 discharges the charged power to supply power to the system 109 or the load 117.
  • the power supply situation of the system 109 or the load 117 may have a big difference in each time zone. Therefore, it is inefficient for the power management system 100 to uniformly supply the power supplied by the power generation apparatus 101 without considering the power supply situation of the system 109 or the load 117.
  • the power management system 100 uses the battery power management system 113 to adjust the amount of power supply according to the power supply situation of the system 109 or the load 117. Through this, the power management system 100 may efficiently supply power to the system 109 or the load 117.
  • the DC / DC converter 121 converts the magnitude of the DC power supplied or supplied by the battery power management system 113. According to a specific embodiment, the DC / DC converter 121 may be omitted.
  • the system controller 115 controls the operation of the DC / AC converter 103 and the AC / AC converter 107.
  • the system control unit 115 may include a charging control unit 111 that controls charging and discharging of the battery power management system 113.
  • the charging control unit 111 controls the charging and discharging of the battery power management system 113.
  • the charging control unit 111 receives power from the battery power management system 113 and transfers power to the system 109 or the load 117.
  • the charging control unit 111 receives power from an external power supply or generator 101 and transmits the power to the battery power management system 113.
  • FIG. 3 is a block diagram of a small capacity power management system according to an embodiment of the present invention.
  • Small-capacity power management system 200 is a generator 101, DC / AC converter 103, AC filter 105, AC / AC converter 107, the system 109, charging The controller 111, the battery power management system 113, the system controller 115, the DC / DC converter 119, the load 117, and the DC / DC converter 121 are included.
  • the DC / DC converter 119 converts the voltage of DC power generated by the generator 101.
  • the small-capacity power management system 200 has a small voltage of power produced by the generator 101. Therefore, in order to input the power supplied by the generator 101 to the DC / AC converter, boosting is required.
  • the DC / DC converter 119 converts the voltage into a magnitude of a voltage capable of inputting the voltage of the electric power generated by the generator 101 into the DC / AC converter 103.
  • FIG. 4 is a conceptual diagram illustrating a power market structure according to an embodiment of the present invention.
  • the power market structure includes power generation subsidiaries, independent power generation companies, PPA operators, zone electricity providers, Korea Electric Power Exchange, Korea Electric Power Corporation, consumers, large-scale consumers, and specific zone consumers.
  • power generation subsidiaries independent power generation companies, PPA operators, zone electricity providers, Korea Electric Power Exchange, Korea Electric Power Corporation, consumers, large-scale consumers, and specific zone consumers.
  • PPA operators power generation subsidiaries
  • zone electricity providers Korea Electric Power Exchange, Korea Electric Power Corporation
  • consumers large-scale consumers, and specific zone consumers.
  • specific zone consumers As of 2014, there are six power subsidiaries separated from KEPCO and 288 independent power generation companies as of 2014.
  • Power generation subsidiaries, independent power generation subsidiaries, PPA operators and district electric utilities may mean power generation companies.
  • the Korea Electric Power Exchange is responsible for operating the electricity market.
  • KEPCO purchases power at a price determined in the power market and supplies the purchased power to consumers. Accordingly, KEPCO is in charge of power transmission, distribution and sales.
  • the PPA operator may mean a power purchase agreement (PPA) operator, and the PPA operator bids power available capacity in the aforementioned power market.
  • PPA operators settle the price of electricity transactions based on the supply contract with KEPCO, not the amount determined in the electricity market.
  • the settlement rule may be included in the power market settlement rule information.
  • Area electricity providers are those that produce electricity through a certain scale of power generation facilities and directly sell electricity produced within a specific licensed area.
  • the regional electricity providers can purchase the insufficient power directly from the Korea Electric Power Corporation or the power market, or sell surplus power to the Korea Electric Power Corporation or the electric power market.
  • One power management system 100 may include a battery energy storage system 113.
  • the energy storage system 113 may include a plurality of batteries (not shown) and a charging controller 111 for controlling each battery.
  • the SOC level may be different for each of a plurality of batteries included in the power management system 100. In other words, the amount of remaining electrical energy may vary for each of the plurality of batteries.
  • the power management system 100 is a system for supplying stable electrical energy.
  • the SOC level is different for each of a plurality of batteries as described above, it may be difficult to supply stable electrical energy.
  • the electrical energy output from the entire power management system 100 may be kept constant only when the electrical energy is uniformly output from the plurality of batteries.
  • FIG. 5 is a diagram illustrating a droop curve for controlling a plurality of battery charge / discharges according to an embodiment of the present invention.
  • 60 Hz may be set as a reference point for controlling charging / discharging of a battery. Therefore, a plurality of batteries need to maintain the frequency at 60 Hz for the stability of the system.
  • the charging control unit 111 may charge the battery when the frequency of the battery falls below 60 Hz, which is a reference frequency. In addition, the charging control unit 111 may discharge the battery when the frequency of the battery becomes 60 Hz or more, the reference frequency.
  • the amount of charge / discharge under the control of the charging controller 111 may be determined according to the droop curve. Therefore, the amount of charge or discharge required for the battery to recover the reference frequency may vary according to the droop curve. In addition, the droop curve may vary depending on the frequency value or SOC level of the battery.
  • load averaging is when the energy storage system releases power at a certain load increase.
  • the peak cut is to deliver power according to the expected maximum output value.
  • the problem is that if these features are redundant, they must maintain sufficient SOC and have battery capacity above the time output relative to the output.
  • battery prices make up a large portion of energy storage systems, there is a need to minimize the share of battery prices in the entire system in order to lower the overall unit cost.
  • FIG. 6 is a flowchart illustrating load averaging schedule control.
  • the load averaging function is similar to a small automatic generation control (AGC) function, and its structure can be expressed in three structures: input, judgment, and output.
  • AGC automatic generation control
  • the system control unit of the power management system checks the operation state of the charging control unit (S10).
  • the system controller checks an operation state of the charging controller.
  • the system controller checks the operation state of the lithium ion battery.
  • the system control also checks the breaker.
  • system controller can determine whether to execute the power management system algorithm flight. In addition, the system controller may determine whether the load averaging operation algorithm operation is selected. In addition, the system control unit may check whether the controllable charging control unit and the battery storage system are each one or more.
  • the system controller determines the schedule performance of the system (S20). Specifically, the system controller checks the time of the system. The system controller checks a certain time. The system controller compares the output. In addition, the system controller checks whether the controller internal time operates normally.
  • the system controller manages power distribution (S30). Specifically, the system control unit determines the driving & operation energy storage system. The system controller determines whether distribution participation of the determined energy storage system is possible. The system controller checks system operating conditions and finally manages power distribution.
  • the system controller operates the battery resources of the energy storage system as stably as possible in order to secure a power output at a specific time beyond simply determining a specific output at a specific time. Specifically, to realize this, the system controller calculates an output value of power distributed through droop control and load averaging schedule control in the output and load relationship as described above. Through this, the system controller can block unnecessary output. As a result, the system controller can efficiently maintain the SOC level of the battery.
  • the system controller outputs power based on the determination in the power distribution management step (S40). Specifically, the system control unit finally determines the power output command on a unit of energy storage system basis. The system controller transmits the command to the charging system and checks whether or not the delivery is performed.
  • the power management system operates the HMI and the control unit separately. For example, even when the user does not have a command or when the control command cannot be transmitted, the system controller can recognize the situation and stably perform the end command.
  • the state of the charging control unit may be largely divided into numerical data and state data. At this time, the data on the driving state / communication state / failure state is determined based on the experience value with respect to the numerical data is transmitted to the system control unit.
  • the operating state can be divided into two kinds, stop and operation. Then, it can be divided into stop by failure, stop by user command, and operation and standby by user command.
  • the operation mode may be any one of a constant power (CP), a constant voltage (CV), or a constant current (CC). Switching between operating modes is used when there is a recovery mode.
  • the recovery mode can be used when there are frequent rapid discharge charges. Basically, load leveling operation is based on CP control.
  • the system control does not record it as a fault / event. If the communication stops for more than 1 minute, the system control unit judges a failure and outputs a warning alarm.
  • the alert time for communication failure may depend on user setting.
  • the charging control unit should automatically stop the operation basically.
  • the operation may be continuously performed depending on the site situation.
  • Lib stands for Lithium Ion Battery. Communication is performed between the battery control system and the charging control unit that manage the battery of the power management system.
  • the battery management system calculates the SOC of the battery according to the empirical value or the preset value, and averages the data based on each battery bank or rack.
  • the charging control unit transmits the normal operation to the user based on the voltage and current. Whether to participate in the load averaging is determined according to the state of the battery management system and the SOC.
  • the upper limit value and the lower limit value of the SOC as the basis of the determination may be a value set by the user or a predetermined value.
  • the operation state of the battery can be confirmed by the connection status and SOC.
  • the system control unit does not record this as a failure / event when the reconnection occurs quickly after a temporary communication interruption in the lithium battery communication line.
  • the system controller determines that the system is out of order and outputs a warning alarm to the user.
  • the alert time for a communication failure may be based on user settings or empirically determined setting values.
  • the lithium battery is excluded from the load averaging algorithm, which in turn affects the power distribution.
  • the status check of the energy storage system / power management system is a criterion of the final judgment in the load averaging algorithm, which is based on the assumption that the state of the charging control unit, the state of the lithium battery, and the state of the control unit and HMI are all normal.
  • the operating state of the energy storage system is divided into two states, normal and abnormal.
  • the energy storage system / power management system may participate in the load averaging algorithm only when communication of each module (charge control unit, lithium battery, control unit, HMI) is normal in the communication status check. It is also possible to participate in the load leveling algorithm only when all fault conditions are normal.
  • the system time is based on the time of the HMI of the power management system, and time synchronization with the system controller can be maintained by a separate process.
  • the time synchronization of the HMI can be maintained through communication with the time server via a separate IP.
  • the system controller determines whether the load leveling function can be operated according to the state of individual modules and user settings.
  • the charging control unit In an energy storage system having a 1: 1 system configuration between the charging control unit and the battery management system, the charging control unit generally has an error with respect to a target value within an error range. However, it is difficult to obtain a value within the error range in the N: 1 configuration or the N: N configuration. To remedy this situation, the system controller has its own error correction algorithm.
  • the error correction algorithm may be changed according to a communication protocol and an operation of the charging control unit and the battery management system.
  • the instruction according to the user schedule is determined by comparing the target amounts of each of the current time and the reservation schedule time. In this way, by comparing the set values, the system controller can calculate the target amount required at the present time.
  • the distribution management step will be described below.
  • FIG. 8 is a block diagram showing distribution management.
  • the N: 1, or N: N configuration between the charge control unit and the battery management system must transmit one instruction to N in a distributed manner. It's not just dividing one command by N, because different values such as the chemical characteristics, capacity, and output capacity of each battery, including SOC and SOH, are not unified. Therefore, the system controller obtains the determination ratio and calculates a command value for each device.
  • the conditions for determining the energy storage system distribution value may be module state or energy storage system capacity.
  • the energy storage system distribution value may be determined according to user requirements.
  • the system controller first excludes the battery storage system when the user limitation condition is not satisfied. That is, the system controller determines that the battery storage system that does not satisfy the user restriction condition is not executable, and processes the battery storage system.
  • the output stage will be described below.
  • the system control unit maintains the initial state by changing the existing output target (target value by user command) to 0 when performing load leveling for the first time according to the initialization command.
  • the system controller changes the existing output target (load averaging target value) to 0 to maintain the initial state.
  • the system controller When a failure occurs in some modules during load averaging operation, the system controller reflects the value of the state immediately excluded and utilizes the available resources to maintain the user's goal as much as possible.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Supply And Distribution Of Alternating Current (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

L'invention concerne un système de gestion d'énergie. Le système de gestion d'énergie selon un mode de réalisation de la présente invention comprend : un système de stockage par batterie comprenant une batterie au lithium-ion ; une unité de commande de charge servant à commander l'entrée ou la sortie d'énergie du système de stockage de batterie ; et une unité de commande de système servant à effectuer une commande de planification de nivellement sur la base d'informations concernant le système de stockage par batterie et d'informations concernant l'unité de commande de charge, la commande de planification de nivellement comprenant les étapes consistant : à vérifier un état de fonctionnement de chaque module ; à déterminer une performance de planification dans le système de gestion d'énergie ; à gérer la distribution ; et à fournir des instructions en fonction de la distribution de gestion.
PCT/KR2019/000543 2018-05-14 2019-01-14 Système de gestion d'énergie WO2019221361A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2018-0055087 2018-05-14
KR1020180055087A KR102238153B1 (ko) 2018-05-14 2018-05-14 전력 관리 시스템

Publications (1)

Publication Number Publication Date
WO2019221361A1 true WO2019221361A1 (fr) 2019-11-21

Family

ID=68540556

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2019/000543 WO2019221361A1 (fr) 2018-05-14 2019-01-14 Système de gestion d'énergie

Country Status (2)

Country Link
KR (1) KR102238153B1 (fr)
WO (1) WO2019221361A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022110983A1 (fr) * 2020-11-26 2022-06-02 许继集团有限公司 Système et procédé de commande coopérative de bms pour centrale électrique de stockage d'énergie électrochimique

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20220170626A (ko) * 2021-06-23 2022-12-30 주식회사 엘지에너지솔루션 드룹 제어를 이용한 전력 분배 장치 및 방법
WO2024058610A1 (fr) * 2022-09-16 2024-03-21 주식회사 엘지에너지솔루션 Dispositif de commande de puissance et procédé de commande de convertisseur cc-cc

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6522031B2 (en) * 2000-10-10 2003-02-18 American Electric Power Company, Inc. Power load-leveling system and packet electrical storage
KR101293462B1 (ko) * 2012-02-23 2013-08-06 한국전력공사 전력 저장 시스템의 스케줄링 분배 제어장치 및 그 방법
KR20150080169A (ko) * 2013-12-30 2015-07-09 주식회사 효성 에너지 저장 시스템에서 전력 분배 방법 및 장치
KR20170079677A (ko) * 2015-12-30 2017-07-10 주식회사 효성 배터리 관리 장치 및 배터리 에너지 저장 시스템
KR20170108578A (ko) * 2016-03-18 2017-09-27 두산중공업 주식회사 피크컷 모드 운전이 가능한 에너지 저장 시스템의 제어 방법 및 그 장치

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101641435B1 (ko) * 2014-12-16 2016-07-20 중소기업은행 배터리 관리 시스템 및 이를 탑재한 전기자동차

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6522031B2 (en) * 2000-10-10 2003-02-18 American Electric Power Company, Inc. Power load-leveling system and packet electrical storage
KR101293462B1 (ko) * 2012-02-23 2013-08-06 한국전력공사 전력 저장 시스템의 스케줄링 분배 제어장치 및 그 방법
KR20150080169A (ko) * 2013-12-30 2015-07-09 주식회사 효성 에너지 저장 시스템에서 전력 분배 방법 및 장치
KR20170079677A (ko) * 2015-12-30 2017-07-10 주식회사 효성 배터리 관리 장치 및 배터리 에너지 저장 시스템
KR20170108578A (ko) * 2016-03-18 2017-09-27 두산중공업 주식회사 피크컷 모드 운전이 가능한 에너지 저장 시스템의 제어 방법 및 그 장치

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022110983A1 (fr) * 2020-11-26 2022-06-02 许继集团有限公司 Système et procédé de commande coopérative de bms pour centrale électrique de stockage d'énergie électrochimique

Also Published As

Publication number Publication date
KR20190130415A (ko) 2019-11-22
KR102238153B1 (ko) 2021-04-09

Similar Documents

Publication Publication Date Title
KR102479719B1 (ko) 배터리 제어 시스템 및 방법
US7105949B2 (en) Emergent power supply system and method of achieving input current balance in such system
US8575780B2 (en) Power storage apparatus, method of operating the same, and power storage system
US8766590B2 (en) Energy storage system of apartment building, integrated power management system, and method of controlling the system
AU2021202731B2 (en) Method for managing charging and discharging of parallel-connected battery pack, electronic device, and electrical system
WO2012033254A1 (fr) Système de stockage d'énergie et procédé de commande associé
KR20130066283A (ko) 배터리 시스템의 시뮬레이션 장치
CN104901324A (zh) 储能系统及其控制方法
WO2019221361A1 (fr) Système de gestion d'énergie
US11949273B2 (en) Method for managing charging and discharging of parallel-connected battery pack, electronic device, and electrical system
JP6693545B2 (ja) 電力管理システム、蓄電池搭載機器、ｅｍｓコントローラ及び電力管理サーバ
KR20170052028A (ko) 배터리 관리를 위한 제어전원 공급시스템과 그 공급방법 및 이를 이용한 에너지저장시스템
CN202276167U (zh) 阵列式电池电源管理装置及其电池电源整合单元
KR20170048992A (ko) 에너지 저장 시스템
CN106058899B (zh) 储能系统的监控系统
US20140274219A1 (en) Telecommunication Power System
KR20170108578A (ko) 피크컷 모드 운전이 가능한 에너지 저장 시스템의 제어 방법 및 그 장치
KR20200079606A (ko) 부하 분산을 위한 dc ups 제어 시스템
WO2022196846A1 (fr) Système de gestion hiérarchique de système de stockage d'énergie
KR102199384B1 (ko) Dc ups에 의해 제공되는 전력의 분산 공급 제어 시스템
KR102022321B1 (ko) 통신장비 부하용 에너지 저장 시스템
JP6114279B2 (ja) エネルギー管理装置、及びエネルギー管理装置の制御方法
KR20200079598A (ko) Dc ups 전력 제어 시스템
CN117458597B (zh) 一种基于交流组件的发电系统
KR20190061496A (ko) 계층형 전력 제어 시스템

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 19802653

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 19802653

Country of ref document: EP

Kind code of ref document: A1