CN211880177U - Comprehensive energy management system of commercial park source storage and loading system - Google Patents

Comprehensive energy management system of commercial park source storage and loading system Download PDF

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Publication number
CN211880177U
CN211880177U CN202020865894.1U CN202020865894U CN211880177U CN 211880177 U CN211880177 U CN 211880177U CN 202020865894 U CN202020865894 U CN 202020865894U CN 211880177 U CN211880177 U CN 211880177U
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management system
module
algorithm
data acquisition
data
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方陈
王皓靖
张宇
刘舒
田英杰
时珊珊
魏新迟
孙丹妮
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State Grid Shanghai Electric Power Co Ltd
East China Power Test and Research Institute Co Ltd
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State Grid Shanghai Electric Power Co Ltd
East China Power Test and Research Institute Co Ltd
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    • 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
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy
    • Y02E10/56—Power conversion systems, e.g. maximum power point trackers
    • 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
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • 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
    • Y04S10/00—Systems supporting electrical power generation, transmission or distribution
    • Y04S10/14—Energy storage units

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  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Supply And Distribution Of Alternating Current (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)

Abstract

The utility model relates to a commercial park source stores up comprehensive energy management system of lotus system, commercial park source stores up lotus system and includes photovoltaic power generation unit, energy storage unit and user side distribution equipment supervisor, and comprehensive energy management system includes data acquisition module, data storage module, control module and display module, and control module connects data acquisition module, data storage module, display module, photovoltaic power generation unit, energy storage unit and user side distribution equipment supervisor respectively; the data acquisition module includes: the photovoltaic data acquisition equipment is connected with a photovoltaic inverter in the photovoltaic power generation unit; the energy storage data acquisition equipment comprises a battery management unit BMU and a battery management system BMS which are sequentially connected; and an electric meter. Compared with the prior art, the utility model has the advantages of data acquisition is comprehensive, data transmission distance is fast far away, store up lotus system control accuracy, reliable and stable to the commercial garden source.

Description

Comprehensive energy management system of commercial park source storage and loading system
Technical Field
The utility model belongs to the technical field of the commercial park source storage lotus system and specifically relates to a commercial park source storage lotus system's comprehensive energy management system is related to.
Background
Commercial garden source storage of charge system includes photovoltaic power generation unit, energy storage unit and user side distribution equipment supervisor, and photovoltaic power generation unit cooperation distribution network is jointly for user side distribution equipment supervisor power supply, and the energy storage unit is used for the energy storage to deal with extreme condition.
The energy management system of the commercial park should realize real-time power distribution, optimal management of battery state of charge (SOC), management of battery state of health, and the like. The energy management system functions of the commercial park include:
1) the battery energy storage system is divided into a plurality of management areas according to installation positions, function positioning and the like, and power optimization scheduling of partition coordination and overall management and control coupling is achieved.
2) The power station power control function of realizing different application functions and multi-target flexible automatic switching is realized.
3) And the energy management of the business park is realized by the cooperative optimization of the partition control and the centralized management.
4) And the coordination control and energy management among three different energy sources of cold, heat and electricity are realized.
5) Energy management of the energy storage system considering different battery health states is achieved.
In order to achieve the above objective, the energy management system of the commercial park needs to have a comprehensive data acquisition function, so as to comprehensively monitor the source load storage system of the commercial park.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a comprehensive energy management system of commercial park source storage load system who possesses comprehensive data acquisition function for overcoming the defect that above-mentioned prior art exists.
The purpose of the utility model can be realized through the following technical scheme:
a comprehensive energy management system of a commercial park source charge storage system comprises a photovoltaic power generation unit, an energy storage unit and a user side power distribution equipment manager, wherein the comprehensive energy management system comprises a data acquisition module, a data storage module, a control module and a display module, and the control module is respectively connected with the data acquisition module, the data storage module, the display module, the photovoltaic power generation unit, the energy storage unit and the user side power distribution equipment manager;
the data acquisition module comprises:
the photovoltaic data acquisition equipment is connected with a photovoltaic inverter in the photovoltaic power generation unit and is used for acquiring the power generation power, voltage, current and power factor information of the photovoltaic inverter;
energy storage data acquisition equipment, including the battery management unit BMU and the battery management system BMS who connects gradually for gather BMU data: the voltage, the temperature, the SOC and the SOH of each single battery cell, the total voltage, the total current, the average voltage, the differential pressure, the ampere hour and the protection information; battery cluster data: voltage, current, power, SOC, SOH, ampere-hour meter state, maximum minimum voltage BMU information and maximum minimum temperature BMU information; BMS data: outputting power, total voltage, current and working state information;
the electric meter is used for acquiring positive and negative active and reactive power degrees of all parts in the source charge storage system of the commercial park;
the photovoltaic data acquisition equipment, the battery management system BMS and the electric meter are all connected with the control module.
Furthermore, the photovoltaic power generation unit, the energy storage unit and the user side power distribution equipment management machine are connected with the control module through a MODBUSTCP/IP and/or CAN communication interface.
Furthermore, the energy storage unit comprises a battery and energy storage converters, the control module comprises a plurality of algorithm controllers, a plurality of algorithm loaders, a plurality of algorithm arbiters and a plurality of power distributors, each algorithm controller is connected with the algorithm loader, each algorithm arbiter is connected with the algorithm loader and the corresponding power distributor, and each power distributor is connected with each energy storage converter.
Furthermore, the algorithm arbiter is provided with an input control interface for inputting user requirement information, superior commands and performing manual intervention.
Further, the algorithm controller, the algorithm loader, the algorithm arbiter and the power divider are all microprocessors.
Further, the integrated energy management system further comprises a meteorological monitor, the meteorological monitor is arranged in the business park, and the meteorological monitor is connected with the control module.
Further, the meteorological monitoring instrument is provided with a wireless internet of things interface, and the meteorological monitoring instrument is connected with the wireless transmission equipment through the wireless internet of things interface, so that the meteorological monitoring instrument is connected with the control module.
Further, the data storage module is a server with ORACLE database function.
Further, the display module comprises a system network diagram display screen, a system geographic diagram display screen and an electric wiring diagram display screen.
Furthermore, the control module is also connected with a scheduling system.
Compared with the prior art, the utility model has the advantages of it is following:
(1) the utility model discloses synthesize energy management system includes data acquisition module, data storage module, control module and display module, realize data acquisition, demonstration, storage and data analysis to commercial garden source storage charge system, the functional requirement of synthesizing energy management system has been satisfied, data acquisition module includes photovoltaic data acquisition equipment, battery management system BMS and kilowatt-hour meter, can gather photovoltaic data, energy storage data and kilowatt-hour degree data comprehensively, provide the basis for synthesizing energy management system's comprehensive control.
(2) The utility model discloses photovoltaic power generation unit, energy storage unit and user side distribution equipment supervisor pass through MODBUSTCP/IP and/or CAN communication interface connection control module, have transmission distance advantage such as far away, fast.
(3) The utility model discloses control module includes algorithm controller, algorithm loader, algorithm arbiter and power distributor, and the quantity of algorithm controller is a plurality of, and control module adopts the control strategy that multiple algorithm combines to realize automatic loading, intelligent arbitration and the distribution to the algorithm, improved accuracy, reliability and the stability of control.
(4) The utility model discloses algorithm arbiter among the control module is equipped with the input control interface for input user demand information, higher level's order and carry out manual intervention, the manual intervention of being convenient for improves user-friendly.
(5) The utility model discloses synthesize energy management system still includes the meteorological monitor, and this meteorological monitor passes through wireless thing networking interface connection wireless transmission equipment to access control module is convenient for according to the meteorological condition, adjusts the power supply proportion of photovoltaic power generation unit and distribution network, the energy storage condition of energy storage unit etc. and the realization is to prediction and the real time control of commercial park source storage load system.
Drawings
FIG. 1 is a schematic diagram of a connection relationship between control modules in the integrated energy management system of the present invention;
fig. 2 is a schematic structural diagram of the control module of the present invention;
in the figure, 1, a control module, 2, a battery management system BMS, 3, a photovoltaic inverter, 4, an energy storage converter, 5, cold, heat and electricity loads, 6, a power distribution network, 7, a meteorological monitoring instrument, 8, wireless transmission equipment, 9 and the Internet of things.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. The embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
Example 1
As shown in fig. 1, the embodiment provides an integrated energy management system of a commercial park source load storage system, where the commercial park source load storage system includes a photovoltaic power generation unit, an energy storage unit, and a user-side distribution equipment manager, the integrated energy management system includes a data acquisition module, a data storage module, a control module 1, and a display module, and the control module 1 is connected to the data acquisition module, the data storage module, the display module, the photovoltaic power generation unit, the energy storage unit, and the user-side distribution equipment manager, respectively;
each part is described in detail below.
1. Data acquisition module
The data acquisition module includes:
101) the photovoltaic data acquisition equipment is connected with the photovoltaic inverter 3 in the photovoltaic power generation unit and is used for acquiring the power generation power, voltage, current and power factor information of the photovoltaic inverter 3;
102) energy storage data acquisition equipment, including the battery management unit BMU and the battery management system BMS2 that connect gradually for gather energy storage data through battery management system BMS2, energy storage data adopts three-layer framework: BMS data, battery cluster data and BMU data;
specifically, data in a BMU (battery management unit) includes: voltage, temperature, SOC, SOH of each cell; total voltage, total current, average voltage, differential voltage, ampere hours, protection information: the balancing command setting can be carried out on a single electric core in the BMU, and balanced current information can be obtained.
The battery cluster data comprises voltage, current, power, SOC, SOH, ampere-hour meter state, maximum and minimum voltage BMU information and maximum and minimum temperature BMU information.
BMS (battery management system) data includes: outputting information such as power, total voltage, current, working state and the like;
103) the electric meter is used for acquiring positive and negative active and reactive power degrees of all parts in the source charge storage system of the commercial park;
104) a weather monitor 7 for monitoring weather of the business park; the meteorological monitoring instrument 7 is arranged in a commercial park, and the meteorological monitoring instrument 7 is connected with the control module 1. In this embodiment, the meteorological monitor 7 is connected to the control module 1 through a wireless internet of things interface.
The photovoltaic data acquisition equipment, the battery management system BMS2, the kilowatt-hour meter and the meteorological monitor 7 are all connected with the control module 1.
In this embodiment, the meteorological monitoring instrument 7 forms the internet of things 9 through three wireless transmission devices 8, and accesses the control module 1.
2. Data storage module
The data storage module is a server with the function of an ORACLE database.
The ORACLE database is divided into a real-time database and a historical database. The real-time database stores real-time data acquired by the computer monitoring system, and the numerical value of the real-time data is continuously updated according to the real-time change of the operating condition, so that the current state of the monitored equipment is recorded. Important data which needs to be stored for a long time is stored in a historical database. The recording period is adjustable within 5 s-1 h. Historical data can be stored for 1 year in an online rolling mode, manual intervention is not needed, and functions of different security level access of user-defined permission, automatic backup of real-time acquired data, online capacity expansion, automatic data recovery and the like are supported. All historical data should be able to be transferred to mass storage devices such as optical disks or magnetic tapes as long-term archives. The information such as state quantity displacement, events, analog quantity out-of-limit and the like is stored in a historical event library in a time sequence classification mode, and the storage time can be customized by a user to be months, years and the like. The historical data is sampled and stored on the server, the historical database is stored in commercial data, and a special historical database is provided for a user to define a required historical data storage structure and sampling period. The report is printed on the microcomputer through spreadsheet software, data is taken out from a historical database on a server by using a standard interface provided by a relational database, and the data is printed and output on the microcomputer according to a defined format.
In actual operation, the historical data system samples from the real-time database according to a predefined period and stores the data according to a predefined storage mode, wherein the data can be stored for 1 minute, 10 minutes, 15 minutes, half hour, 1 hour and all day, and the historical data is stored in the historical database of the relational database and can also be stored in a permanent storage medium according to requirements.
3. Control module 1
The control module 1 is used to perform energy storage strategies, statistical analysis and big data processing, which are described in detail below.
3.1 implementing energy storage strategies
The energy storage strategy is a core function of the system, can analyze information such as real-time state information of source network charge equipment, distributed power generation prediction, user load prediction and other energy consumption, determines a control strategy through a source network charge coordination optimization algorithm, reasonably arranges load and energy storage, achieves mutual coordination of power generation, load and energy storage, fully utilizes clean energy, and realizes energy optimization coordination control by combining with anti-reflux control.
The control strategy of the embodiment considers that the photovoltaic power generation is preferentially used to meet the power consumption requirement measured by a user; when the photovoltaic power generation power exceeds the user load, the power is absorbed and stored by the more than electric quantity energy storage system, and when the photovoltaic output cannot meet the user side requirement, the energy storage system is used for preferentially meeting the user requirement.
The energy storage unit in the commercial park source load storage system in the embodiment comprises a battery and an energy storage converter 4, and the photovoltaic power generation unit, the energy storage unit and the user side power distribution equipment management machine are connected with the control module 1 through MODBUS TCP/IP and/or CAN communication interfaces.
The control module 1 is also connected with an energy storage converter 4, a cold and hot electrical load 5 and a power distribution network 6 and used for controlling the energy storage converter 4, the cold and hot electrical load 5 and the power distribution network 6 according to the data acquisition structure.
As shown in fig. 2, the control module 1 includes a plurality of algorithm controllers 11, an algorithm loader 12, an algorithm arbiter 13, and a power distributor 14, where the number of algorithm controllers 11 is multiple, each algorithm controller 11 is connected to the algorithm loader 12, the algorithm arbiter 13 is connected to the algorithm loader 12 and the power distributor 14, and the power distributor 14 is connected to each energy storage converter 4.
The algorithm arbiter 13 is provided with an input control interface for inputting user demand information, superior commands and performing manual intervention. The algorithm controller 11, the algorithm loader 12, the algorithm arbiter 13 and the power splitter 14 are all microprocessors.
The control module 1 has the following operating modes:
301) following instruction
According to the instruction issued by the superior system, the charging and discharging mode of the energy storage system is reasonably controlled according to the power utilization condition of the power utilization side, and the instruction requirement is met as far as possible under the condition that the power utilization of a user is not influenced.
302) Smooth output
The power of the power utilization side has the characteristics of burstiness and non-continuity, the power curve of the power utilization side can be smoothed through reasonable adjustment of the energy storage system, the fluctuation rate of the power utilization side is stabilized, the power quality is improved, and the impact of the power utilization side on a power grid is reduced.
303) Planning curve mode
And controlling the power to follow the curve according to a plan curve issued by the dispatching/Internet of things.
304) Policy loading and distribution
The strategy adopts the combination of various algorithms, automatic loading, intelligent arbitration and distribution modes to realize the purpose of the strategy.
The control module 1 may also interface with the scheduling system via the IEC104 protocol.
3.2 statistical analysis
The control module 1 has functions of battery charging and discharging voltage characteristic analysis, battery self-discharging characteristic analysis, equipment comparison, equipment operation report generation and the like. Wherein the battery voltage characteristic analysis includes a relationship of the battery voltage and the SOC and a relationship of the battery voltage and time. The analysis of the self-discharge characteristic of the battery can show the curve of the SOC of the battery and the time under the condition of no charging and discharging, and the charge retention rate of the battery is analyzed. And the equipment comparison is to compare similar devices simultaneously in the forms of curves, reports, graphs and the like to assist in detecting the running state of the equipment. The generation and output of the report forms are carried out on a microcomputer, and the spreadsheet software provides a flexible and convenient form mode and is supported by Chinese characters. The report management system provides a non-programming definition method connected with database data, provides a means for defining and printing various reports at regular time, and can call and print any report at any time. Before the report is printed, the report can be displayed on a screen of the report node machine. And directly modifying and storing after modification.
3.3 big data processing
The control module 1 can issue a control instruction to the battery energy storage system and the controllable cold and hot electric loads 5 in the park according to a control strategy proposed by an owner, and the average response time is less than 1 second; the method supports the manual operation function of the energy storage system and various operation modes of the energy storage system, such as peak clipping, valley filling, fluctuation stabilizing and the like, and has the functions of real-time power calculation, distribution and the like.
4. Display module
The display module comprises a system network diagram display screen, a system geographic diagram display screen and an electric wiring diagram display screen.
Specifically, the display module displays a system network diagram, a geographical diagram, an electrical wiring diagram and the like, can display and inquire equipment parameters and statistically inquire operation parameters on the network and the geographical diagram, and can adjust and watch equipment and field static pictures and data. The monthly, daily load and voltage curves, including real-time and planned curves, are displayed, along with the maximum, minimum and average values, and the times at which the maximum and minimum values occur. And the real-time and historical operation information is reflected through various real-time tables, historical tables, various bar charts, pie charts and trend curve graphs, and the latest alarm information is displayed in time.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.

Claims (10)

1. A comprehensive energy management system of a commercial park source load storage system comprises a photovoltaic power generation unit, an energy storage unit and a user side power distribution equipment management machine, and is characterized in that the comprehensive energy management system comprises a data acquisition module, a data storage module, a control module (1) and a display module, wherein the control module (1) is respectively connected with the data acquisition module, the data storage module, the display module, the photovoltaic power generation unit, the energy storage unit and the user side power distribution equipment management machine;
the data acquisition module comprises:
the photovoltaic data acquisition equipment is connected with a photovoltaic inverter (3) in the photovoltaic power generation unit and is used for acquiring the power generation power, voltage, current and power factor information of the photovoltaic inverter (3);
energy storage data acquisition equipment, including battery management unit BMU and battery management system BMS (2) that connect gradually for gather BMU data: the voltage, the temperature, the SOC and the SOH of each single battery cell, the total voltage, the total current, the average voltage, the differential pressure, the ampere hour and the protection information; battery cluster data: voltage, current, power, SOC, SOH, ampere-hour meter state, maximum minimum voltage BMU information and maximum minimum temperature BMU information; BMS data: outputting power, total voltage, current and working state information;
the electric meter is used for acquiring positive and negative active and reactive power degrees of all parts in the source charge storage system of the commercial park;
the photovoltaic data acquisition equipment, the battery management system BMS (2) and the electric meter are all connected with the control module (1).
2. The integrated energy management system of a commercial park source storage system according to claim 1, wherein the photovoltaic power generation units, the energy storage units and the user side distribution equipment manager are connected to the control module (1) through MODBUS TCP/IP and/or CAN communication interfaces.
3. The integrated energy management system of the commercial park source storage system according to claim 1, wherein the energy storage units comprise batteries and energy storage converters (4), the control module (1) comprises an algorithm controller (11), an algorithm loader (12), an algorithm arbiter (13) and a power distributor (14), the number of the algorithm controllers (11) is multiple, each algorithm controller (11) is connected with the algorithm loader (12), the algorithm arbiter (13) is respectively connected with the algorithm loader (12) and the power distributor (14), and the power distributor (14) is respectively connected with each energy storage converter (4).
4. The integrated energy management system of a commercial park source storage system according to claim 3, characterized in that the algorithm arbiter (13) is provided with an input control interface for inputting user demand information, superior commands and performing manual interventions.
5. The integrated energy management system of a commercial park source storage system according to claim 3, wherein the algorithm controller (11), the algorithm loader (12), the algorithm arbiter (13) and the power splitter (14) are all microprocessors.
6. The integrated energy management system of a source storage and offloading system of a commercial park of claim 1, further comprising a meteorological monitor (7), the meteorological monitor (7) being located in the commercial park, the meteorological monitor (7) being connected to the control module (1).
7. The integrated energy management system of the commercial park source storage and offloading system of claim 6, wherein the meteorological monitoring instrument (7) is provided with a wireless internet of things interface, and the meteorological monitoring instrument (7) is connected with a wireless transmission device (8) through the wireless internet of things interface so as to be connected with the control module (1).
8. The integrated energy management system for a commercial park source storage system according to claim 1, wherein the data storage module is an ORACLE database enabled server.
9. The integrated energy management system for a commercial park source storage system according to claim 1, wherein the display module comprises a system network map display screen, a system geography map display screen, and an electrical wiring map display screen.
10. The integrated energy management system of a commercial park source storage system according to claim 1, characterized in that a dispatch system is further connected to the control module (1).
CN202020865894.1U 2020-05-21 2020-05-21 Comprehensive energy management system of commercial park source storage and loading system Active CN211880177U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114123272A (en) * 2021-11-10 2022-03-01 安徽继远软件有限公司 Intelligent energy consumption management system and method suitable for urban and rural power grid

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114123272A (en) * 2021-11-10 2022-03-01 安徽继远软件有限公司 Intelligent energy consumption management system and method suitable for urban and rural power grid
CN114123272B (en) * 2021-11-10 2024-07-12 安徽继远软件有限公司 Intelligent energy management system and method suitable for urban and rural power grid

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