CN103475042B - Energy storage device management system in a kind of micro-grid system - Google Patents
Energy storage device management system in a kind of micro-grid system Download PDFInfo
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- CN103475042B CN103475042B CN201310365167.3A CN201310365167A CN103475042B CN 103475042 B CN103475042 B CN 103475042B CN 201310365167 A CN201310365167 A CN 201310365167A CN 103475042 B CN103475042 B CN 103475042B
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- 238000004146 energy storage Methods 0.000 title claims abstract description 71
- 238000007726 management method Methods 0.000 claims abstract description 30
- 238000004891 communication Methods 0.000 claims abstract description 18
- 238000012545 processing Methods 0.000 claims abstract description 17
- 238000013500 data storage Methods 0.000 claims abstract description 14
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 13
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical group [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims description 16
- 238000004458 analytical method Methods 0.000 claims description 10
- 230000005611 electricity Effects 0.000 claims description 7
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 description 5
- 230000001276 controlling effect Effects 0.000 description 3
- 238000012217 deletion Methods 0.000 description 2
- 230000037430 deletion Effects 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000005955 Ferric phosphate Substances 0.000 description 1
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical group OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002330 electrospray ionisation mass spectrometry Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229940032958 ferric phosphate Drugs 0.000 description 1
- WBJZTOZJJYAKHQ-UHFFFAOYSA-K iron(3+) phosphate Chemical compound [Fe+3].[O-]P([O-])([O-])=O WBJZTOZJJYAKHQ-UHFFFAOYSA-K 0.000 description 1
- 229910000399 iron(III) phosphate Inorganic materials 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Abstract
The present invention relates to energy storage device management system in a kind of micro-grid system, comprise system module and functional module, wherein, system module is lithium battery energy storage battery ADMINISTRATION SUBSYSTEM, and energy storage ADMINISTRATION SUBSYSTEM and PCS integrate, and monitors lithium battery energy storage battery system; Functional module specifically comprises communication interface, data acquisition unit, data processor, data display equipment and data storage, communication interface is connected with system module, data acquisition unit, data processor, data display equipment and data storage are all connected with communication interface, and data acquisition unit collects the data of the operation of lithium battery energy storage battery ADMINISTRATION SUBSYSTEM; Data processor carries out data processing to the data collected; Data storage is stored in disparate databases respectively by after Data classification; Data display equipment shows the device parameter of energy storage device and running status.Compared with prior art, systemic-function of the present invention is powerful, easy to use.
Description
Technical field
The present invention relates to management system in a kind of microgrid, especially relate to energy storage device management system in a kind of micro-grid system.
Background technology
Energy storage management system (EnergyStorageManagementSystem), refers to the system for providing the function such as power management, protection through the energy storage module that multi-series and parallel combines based on the energy-storage travelling wave tube such as ferric phosphate lithium cell, super capacitor.Energy storage management system (ESMS) includes but not limited to battery management system (BMS), super capacitance management system (CMS).
The major function of battery management unit gathers the voltage of battery core in Battery case, spin manifold temperature and equalization function.The function of control unit is the data of collecting battery management unit, and carries out collective analysis and process to battery data, judges the fault of present battery, carries out early warning and the warning of energy system.Meanwhile, control unit also completes measurement, the charge and discharge control of battery pack operating current, and the data of comprehensive utilization battery carry out the estimation of battery, the discreteness evaluation of battery.On the other hand, EMS devises powerful data communication facility, can carry out communication with host computer.
Existingly there is the shortcomings such as function is not powerful, operation is inconvenient for the energy storage device management system in microgrid.
Summary of the invention
Object of the present invention be exactly in order to overcome above-mentioned prior art exist defect and energy storage device management system in a kind of powerful micro-grid system is provided.
Object of the present invention can be achieved through the following technical solutions:
Energy storage device management system in a kind of micro-grid system, comprises system module and functional module, wherein,
System module is lithium battery energy storage battery ADMINISTRATION SUBSYSTEM, and energy storage ADMINISTRATION SUBSYSTEM and energy storage combining inverter PCS integrate, and monitor lithium battery energy storage battery system;
Functional module specifically comprises communication interface, data acquisition unit, data processor, data display equipment and data storage, described communication interface is connected with system module, and described data acquisition unit, data processor, data display equipment and data storage are all connected with communication interface;
Wherein, described data acquisition unit collects the data of the operation of lithium battery energy storage battery ADMINISTRATION SUBSYSTEM; Data processor carries out data processing to the data collected; Data storage is stored in disparate databases respectively by after Data classification; Data display equipment shows the device parameter of energy storage device and running status.
Described system module easily extensible accesses new energy-storage system.
Described communication interface is connected with adopting RJ45 port between system module, adopts ICP/IP protocol, uses MODBUS stipulations swap data.
Described functional module also comprise be connected with communication interface respectively data inquiry module, remote control command module, event and alarm module, user management module and user's Reports module.
The concrete function of data acquisition unit is: the data of the operation of collection subsystem, and does process of classifying accordingly, according to superior system request, sends the data of corresponding format.
Data acquisition unit can the following a few class data of acquisition and processing: analog quantity, digital quantity, electricity, and state controls, the definite value parameter of protective device, alarm signal and actuating signal etc.System delivers to real-time data base by after the real time data processing of collection, forms alarm event for data volume change, protection alarm signal and protection act signal, with alarm window or voice mode performance, simultaneously stored in corresponding database.
The Data Source that data acquisition unit mainly gathers has: the voltage of power distribution network, current value; The signals such as the AC that energy storage combining inverter PCS transmits and DC voltage, electric current, power; The battery information that battery management system (BMS) transmits; It is meritorious, idle that electric energy meter transmits, electric current, power factor.
Data processor, to the data collected, according to the demand of system to data, does the data processings such as corresponding skew, calculating, displacement, is converted to the data type required for system.Mainly comprise analog quantity process, quantity of state process, electricity data processing, efficiency analysis and operating analysis.
Data display equipment mainly comprises system interface display, system parameters and running status display, energy storage combining inverter PCS shows, BMS shows and real-time curve shows.
Data storage, with certain form, carries out classification data, is stored into different databases respectively with table.And carry out geo-database integration with whole intelligent micro-grid subsystem, be placed on the oracle database platform that energy management system is unified.
Data inquiry module, according to the condition of inquiry, with list or in the mode of curve, returns the data of inquiry.Integrated by historical data, analyze the reliability of energy-storage system, fail safe and economy, comprise following analysis content: the historical data base setting up energy-storage system operation and discharge and recharge data, set up the discharge and recharge database of energy-storage system in states such as battery SOC, voltage, electric current, temperature.
When remote control command module carries out control operation, control authority account must be used to login.Operating process will detect through associative operation barring condition, determines whether associative operation energy-storage system can perform.After control operation performs, system can record operating time, content of operation, operating result and operation logon account.Local control, Long-distance Control can be distinguished and automatically run in system log (SYSLOG).A system only has an operation to be performed simultaneously.Concrete function has: startup, shutdown, reset, power limitation control charge and discharge mode, constant current controlling charge and discharge mode, self-defined charge and discharge mode, fixing charge and discharge mode.
Event and alarm module show and record each subsystem and run and report to the police and event, and can according to condition query.
User management module has the function such as interpolation, deletion, amendment of authority user.
User's Reports module as required, carries out classification process to historical data, with the display of the form of form and storage.
Compared with prior art, in micro-grid system of the present invention, energy storage device management system has the following advantages and beneficial effect:
(1) collection access is carried out to the real time data of energy storage battery system remote measurement relevant with energy storage device PCS, BMS, remote signalling point.Monitoring often save battery tension, temperature, battery current, group terminal voltage, accumulator monitoring state with data and graphic software platform (broken line graph, bar graph, calcspar), data and chart printable.
(2) have specialty analysis management software, automatic generation moon form is also printable.Month form manifests every batteries voltage, alarm logging in running this month, there is the highest, minimum operation event, carry out supervision by the man-machine interface of energy-storage system administration module to gathered data to analyze, support capacity is checked, and can show the discharge curve of batteries in discharge process and often save discharge curve.
(3) data analysis process is without the need to interrupting storage battery on-line monitoring, can organize monitoring more simultaneously.
(4) by man-machine interface, remote control and remote regulating operation (as the discharge and recharge strategy of PCS, the temperature regulating and controlling etc. of BMS) are carried out to each energy storage device, conveniently by energy-storage system administration module, various testing experiment is done to energy storage device.
(5) there is historical data recording function, can query history record.
(6) remote online monitoring battery tension, electric current, temperature.
(7) long-range cell batteries internal resistance overload alarm, voltage superelevation, ultralow warning, civil power and fault alarm also record the alarm content time automatically.
(8) to the information of the intelligent electric meter such as Source of Gateway Meter, circuit table, energy-storage system can be understood by energy-storage system administration module and fill electricity consumption and for discharge data, analyze energy-storage system efficiency for charge-discharge.
(9) according to the service condition of the various energy, make energy-storage system optimization operational version, guide user to the reasonable employment of energy-storage system.
(10) according to the equipment performance index of energy-storage system itself, carry out the cooperation control of equipment room, efficient discharge and recharge strategy is provided.
(11) in conjunction with the quality of power supply related data that energy management system provides, control the operation of energy-storage system, optimize energy-storage system to the impact of the quality of power supply.
(12) store each energy-storage system service data, form related data statistical tables and reports, assessment energy-storage system property indices.
(13) ruuning situation of showing each energy-storage system in community and related data is concentrated.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Embodiment
Energy storage device management system in a kind of micro-grid system, as shown in Figure 1, comprises system module 1 and functional module 2, wherein, system module 1 is lithium battery energy storage battery ADMINISTRATION SUBSYSTEM 11, and energy storage ADMINISTRATION SUBSYSTEM 11 and energy storage combining inverter PCS integrate, and monitor lithium battery energy storage battery system;
Functional module 2 specifically comprises communication interface 21, data acquisition unit 22, data processor 23, data display equipment 24, data storage 25, data inquiry module 26, remote control command module 27, event and alarm module 28, user management module 29 and user's Reports module 20, communication interface 21 is connected with system module 1, data acquisition unit 22, data processor 23, data display equipment 24, data storage 25, data inquiry module 26, remote control command module 27, event and alarm module 28, user management module 29 and user's Reports module 20 are all connected with communication interface 21.System module 1 easily extensible accesses new energy-storage system.
Wherein, between communication interface 21 with system module 1, adopt RJ45 port to be connected, adopt ICP/IP protocol, use MODBUS stipulations swap data.
Data acquisition unit 22 collects the data of the operation of lithium battery energy storage battery ADMINISTRATION SUBSYSTEM; Data processor 23 carries out data processing to the data collected; Data storage 25 is stored in disparate databases respectively by after Data classification; Device parameter and the running status of data display equipment 24 pairs of energy storage devices show.
The concrete function of data acquisition unit 22 is: the data of the operation of collection subsystem, and does process of classifying accordingly, according to superior system request, sends the data of corresponding format.Data acquisition unit 22 can the following a few class data of acquisition and processing: analog quantity, digital quantity, electricity, and state controls, the definite value parameter of protective device, alarm signal and actuating signal etc.System delivers to real-time data base by after the real time data processing of collection, forms alarm event for data volume change, protection alarm signal and protection act signal, with alarm window or voice mode performance, simultaneously stored in corresponding database.The Data Source that data acquisition unit 22 mainly gathers has: the voltage of power distribution network, current value; The signals such as the AC that energy storage combining inverter PCS transmits and DC voltage, electric current, power; The battery information that battery management system (BMS) transmits; It is meritorious, idle that electric energy meter transmits, electric current, power factor.
Data processor 23, to the data collected, according to the demand of system to data, does the data processings such as corresponding skew, calculating, displacement, is converted to the data type required for system.Mainly comprise analog quantity process, quantity of state process, electricity data processing, efficiency analysis and operating analysis.
Data display equipment 24 mainly comprises system interface display, system parameters and running status display, energy storage combining inverter PCS shows, BMS shows and real-time curve shows.
Data storage 25, with certain form, carries out classification data, is stored into different databases respectively with table.And carry out geo-database integration with whole intelligent micro-grid subsystem, be placed on the oracle database platform that energy management system is unified.
Data inquiry module 26, according to the condition of inquiry, with list or in the mode of curve, returns the data of inquiry.Integrated by historical data, analyze the reliability of energy-storage system, fail safe and economy, comprise following analysis content: the historical data base setting up energy-storage system operation and discharge and recharge data, set up the discharge and recharge database of energy-storage system in states such as battery SOC, voltage, electric current, temperature.
When remote control command module 27 carries out control operation, control authority account must be used to login.Operating process will detect through associative operation barring condition, determines whether associative operation energy-storage system can perform.After control operation performs, system can record operating time, operation can hold, operating result and operation logon account.Local control, Long-distance Control can be distinguished and automatically run in system log (SYSLOG).A system only has an operation to be performed simultaneously.Function is specifically had to have: startup, shutdown, reset, power limitation control charge and discharge mode, constant current controlling charge and discharge mode, self-defined charge and discharge mode, fixing charge and discharge mode.
Event and alarm module 28 show and record each subsystem and run and report to the police and event, and can according to condition query.User management module 29 has the function such as interpolation, deletion, amendment of authority user.User's Reports module 20 as required, carries out classification process to historical data, with the display of the form of form and storage.
Claims (2)
1. an energy storage device management system in micro-grid system, is characterized in that, comprises system module and functional module, wherein,
System module is lithium battery energy storage battery ADMINISTRATION SUBSYSTEM, and energy storage ADMINISTRATION SUBSYSTEM and energy storage combining inverter PCS integrate, and monitor lithium battery energy storage battery system;
Functional module specifically comprises communication interface, data acquisition unit, data processor, data display equipment, data storage, data inquiry module, remote control command module, event and alarm module, user management module and user's Reports module, described communication interface is connected with system module, and described data acquisition unit, data processor, data display equipment, data storage, data inquiry module, remote control command module, event are all connected with communication interface with alarm module, user management module and user's Reports module;
The concrete function of data acquisition unit is: the data of the operation of collection subsystem, and does process of classifying accordingly, according to superior system request, sends the data of corresponding format;
Data acquisition unit can the following a few class data of acquisition and processing: analog quantity, digital quantity, electricity, and state controls, the definite value parameter of protective device, alarm signal and actuating signal; System delivers to real-time data base by after the real time data processing of collection, forms alarm event for data volume change, protection alarm signal and protection act signal, with alarm window or voice mode performance, simultaneously stored in corresponding database;
Data processor, to the data collected, according to the demand of system to data, does the data processings such as corresponding skew, calculating, displacement, is converted to the data type required for system; Data processing comprises analog quantity process, quantity of state process, electricity data processing, efficiency analysis and operating analysis;
Data display equipment comprises system interface display, system parameters and running status display, energy storage combining inverter PCS shows, BMS shows and real-time curve shows;
Wherein, described data acquisition unit collects the data of the operation of lithium battery energy storage battery ADMINISTRATION SUBSYSTEM; Data processor carries out data processing to the data collected; Data storage is stored in disparate databases respectively by after Data classification; Data display equipment shows the device parameter of energy storage device and running status;
Described communication interface is connected with adopting RJ45 port between system module, adopts ICP/IP protocol swap data.
2. energy storage device management system in a kind of micro-grid system according to claim 1, is characterized in that, described system module easily extensible accesses new energy-storage system.
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| CN101710711A (en) * | 2009-12-21 | 2010-05-19 | 中国电力科学研究院 | Monitoring system for energy storing device for output power of smooth wind power system |
| CN102842914A (en) * | 2012-08-02 | 2012-12-26 | 中国电力科学研究院 | Energy storage power station monitoring system |
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| CN101710711A (en) * | 2009-12-21 | 2010-05-19 | 中国电力科学研究院 | Monitoring system for energy storing device for output power of smooth wind power system |
| CN102842914A (en) * | 2012-08-02 | 2012-12-26 | 中国电力科学研究院 | Energy storage power station monitoring system |
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