CN105762928A - Energy storage power station monitoring system - Google Patents
Energy storage power station monitoring system Download PDFInfo
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- CN105762928A CN105762928A CN201410777996.7A CN201410777996A CN105762928A CN 105762928 A CN105762928 A CN 105762928A CN 201410777996 A CN201410777996 A CN 201410777996A CN 105762928 A CN105762928 A CN 105762928A
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Abstract
The present invention provides an energy storage power station monitoring system which comprises a data classification module connected to an energy storage system. The data classification module is connected to a protocol application module which is connected to a monitoring module. The protocol application module comprises a high-real-time processing module, a quasi-real-time processing module, and a non-real-time processing module. The system provided by the invention can carry out single processing on the energy storage power station battery single body information, the integrity of large scale energy storage battery information is ensured, through the classification processing of all monitoring information is carried out through an energy storage power station, the communication between classification information does not affect each other, and the stability of the monitoring system is increased.
Description
Technical field
The present invention relates to the system of a kind of energy-accumulating power station monitoring communication field, be specifically related to a kind of energy-accumulating power station monitoring system.
Background technology
Energy-accumulating power station is as a kind of new power plant, and adding current transformer, battery etc. needs the energy storage device of monitoring in a large number.Monitor supervision platform, as the core of whole energy-accumulating power station automatization, Effec-tive Function, should meet the demand of upper strata scheduling, also to unify reasonably to carry out the monitoring of all devices in whole power station, control work.
Energy-accumulating power station needs to coordinate new energy power generation grid-connection, and therefore, fast reaction is made in the fluctuation according to generation of electricity by new energy that is accomplished by of whole energy-accumulating power station, it is achieved generation of electricity by new energy smooth grid-connected, and the control response speed in power station is just proposed higher requirement by this.
Adding the substantial amounts of energy storage device such as current transformer, battery in energy-accumulating power station, wherein battery cell contains much information, and current already present extensive energy-accumulating power station list is that battery cell quantity of information has just reached million ranks；Therefore monitor supervision platform needs these energy storage devices are carried out Methodistic management and monitoring, just the communication and control system of whole Power Station Monitored Control System is proposed higher requirement.In energy-accumulating power station running, monitor supervision platform is according to the practical situation in dispatch command and power station, different controlled quentity controlled variables and monitoring variable have different response requirements, and this just require that energy storage monitor system communications protocol disclosure satisfy that the demand of different priorities response in actual monitored process.
At present, mostly the monitoring system of energy-accumulating power station is traditionally power station pattern, and four information of shaking are adopted real-time treating method, and a large amount of monomer information and fault message adopt other Non real-time processing way；This method does not have monitoring variable and controlled quentity controlled variable to carry out classification process, it is impossible to enough meet the demand of quickly response in actual monitored process.
High real-time communication Ethernet protocol be as industrial Ethernet technology fast development and come definitiveness real-time network, its quick real-time of agreement support, real-time, non real-time nature communication requirement.
Quick real-time communication refers to the communication mode meeting hard real time control field real-time demand, is generally directed to motion control field.In motion control field, data transmitting period time short frequency is high, data volume is little, and requirement of real-time generally wants a high order of magnitude compared to Row control field；Real-time communication refers to the communication mode meeting general industry field real-time demand, is generally directed to Row control field.Wherein, real-time communication includes real-time communication module and big quantity type real-time module；Non-realtime traffic refers to the communication mode based on HTTP, FTP and other IT application agreements, such as the communication carried out when the processes such as HTTP service application process, e-mail applications process, FTP application process are run.Non real-time nature protocol part is mainly for the communication requirement of commercial Ethernet, for determining that real-time communication is not the problem of overriding concern comparatively speaking, and for partly needing the application service guaranteed data integrity, available TCP meets its transmission demand as transport layer protocol.
In prior art, the communication protocol such as power monitoring many employings 104 agreement, IEC61850, MODBUS；The technical problems such as high real-time communication Ethernet protocol is applied in the monitoring system of energy-accumulating power station to be needed to face underlying device protocol development, protocol conversion.
Accordingly, it is desirable to provide the energy-accumulating power station monitoring system of a kind of improvement.
Summary of the invention
In order to overcome the defect of above-mentioned prior art, the invention provides a kind of energy-accumulating power station monitoring system.
In order to realize foregoing invention purpose, the present invention adopts the following technical scheme that:
A kind of energy-accumulating power station monitoring system, it thes improvement is that: described system includes the data categorization module connecting described energy-storage system, described data categorization module connection protocol application module, and described agreement application module connects monitoring module；
Described agreement application module includes high real-time processing module, quasi real time property processing module and Non real-time processing module.
Further, described data categorization module determines the communication information needing to carry out classification process, the described communication information is carried out classification process, it is determined that categorical attribute；
According to described categorical attribute, information to be sorted is classified as corresponding classification；
According to described categorical attribute, classification information is connected with agreement application module；By described agreement application module, information is carried out Communication processing.
Further, a classification only kind of described information to be sorted；
Each agreement application module is corresponding a kind of classification information only, and described agreement application module works simultaneously, does not interfere with each other.
Further, described high real-time processing module receive and process described energy-accumulating power station PCS remote information, PCS shakes adjusting information, PCS shakes letter information, PCS/BMS remote measurement and PCS/BMS status information；
Described PCS remote information, PCS shake adjusting information, PCS shakes letter information and includes participating in controlling the current transformer startup/stopping run, meritorious/reactive power, duty, battery system SOC, SOH.
Further, described non real-time nature processing module receives and processes battery cell information of voltage and the temperature information of described energy-accumulating power station.
Further, described quasi real time property processing module receives and processes alarm failure information and the energy-accumulating power station controller switching equipment switching information of described energy storage device,
Further, the information of described energy-accumulating power station includes four and shakes information, battery cell information and facility switching information.
Compared with prior art, the beneficial effects of the present invention is:
1, remote control in system stored energy monitoring power station provided by the invention, shake tune, shake letter and telemetry intelligence (TELINT) can realize high real-time high-speed response, complete the process to high real-time monitoring parameter by the quick real-time communication protocol of EPA-FRT, meet energy-accumulating power station and run the demand controlled.
2, the system of the offer of the present invention has carried out independent process for energy-accumulating power station battery cell information, it is ensured that the integrity of extensive energy-storage battery information；By all monitoring information of energy-accumulating power station is carried out classification process, between classification information, communication is independent of each other, and adds the stability of monitoring system.
3, system provided by the invention is designed according to battery energy storage power station feature, is different from conventional energy-accumulating power station and only has a monitoring network or the monitoring mode that only Controling network is parallel with monitoring net；Compared with prior art, the present invention is directed to a large amount of battery information adopts Non real-time processing module to be monitored, the alarm failure information detailed for energy storage device and energy-accumulating power station controller switching equipment switching information adopt quasi real time property processing module to be monitored, high real-time processing module is then adopted to carry out fast monitored and control for energy-accumulating power station key control information, pattern by above-mentioned three kinds of monitoring network parallel processings, it is effectively increased the real-time of extensive battery energy storage power station mass data monitoring, reliability and stability, improve the executive capability of energy-accumulating power station control instruction and the monitoring efficiency of a large amount of Battery Diagnostic information, provide a kind of novel monitoring of energy-accumulating power station and control method.
Accompanying drawing explanation
Fig. 1 is energy-accumulating power station monitoring system schematic in the present embodiment；
Fig. 2 is energy-accumulating power station monitoring system detailed maps in the present embodiment.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.
As it is shown in figure 1, Fig. 1 is energy-accumulating power station monitoring system schematic in the present embodiment；The energy-accumulating power station monitoring system of the present invention includes the data categorization module connecting described energy-storage system, described data categorization module connection protocol application module, and described agreement application module connects monitoring module；Described agreement application module includes high real-time processing module, quasi real time property processing module and Non real-time processing module.
Data categorization module determines the communication information needing to carry out the energy-storage system of classification process, the described communication information is carried out classification process, it is determined that categorical attribute；According to described categorical attribute, information to be sorted is classified as corresponding classification；According to described categorical attribute, classification information is connected with agreement application module；By described agreement application module, information is carried out Communication processing.
Energy-storage system includes energy accumulation current converter, battery, monitoring device and controller switching equipment, and wherein, battery includes again set of cells and battery cell.
The communication information of energy-storage system is classified according to information command response speed.
Wherein, energy-accumulating power station, for meeting dispatching requirement, the PCS remote control that participates in controlling running, shakes tune, shakes letter, and the key message such as PCS/BMS remote measurement, PCS/BMS status information needs high response speed, is divided into high response data class.
Alarm failure information that energy storage device is detailed and energy-accumulating power station controller switching equipment switching information, requirement of real time, be divided into real-time data class.
The distinctive battery apparatus of energy-accumulating power station has substantial amounts of set of cells, battery cell, monitoring system to need the monomer information such as monomer temperature, voltage is monitored, and these information can speed show on request, is divided into non real-time nature data class.
The data of high response data class, real-time data class and non real-time nature data class by the classification of above-mentioned situation, are sent respectively to the agreement application module processed by the data of described energy-storage system by data categorization module.
Agreement application module, for carrying out Communication processing to information；According to categorical attribute, classification information is connected with agreement application module；Each module is corresponding a kind of classification information only, and each agreement application module does not interfere with each other, and can be at duty simultaneously.
High real-time communication Ethernet protocol supports high real-time, real-time, non real-time nature communication requirement.Utilize high real-time communication therein that energy-accumulating power station has the information of high response speed requirement process；Utilize real-time communication therein that energy-accumulating power station has the information of requirement of real-time process；Utilize non real-time nature communication therein that energy-accumulating power station is processed without a large amount of battery cell information of requirement of real-time.
As in figure 2 it is shown, Fig. 2 is energy-accumulating power station monitoring system detailed maps in the present embodiment；In the present embodiment, agreement application module is divided into high real-time processing module, quasi real time property processing module and Non real-time processing module.
Each processing module is further illustrated:
High real-time processing module, receive and process described energy-accumulating power station PCS remote information, PCS shakes adjusting information, PCS shakes letter information, PCS/BMS remote measurement and PCS/BMS status information；
Described PCS remote information, PCS shake adjusting information, PCS shakes letter information and includes participating in controlling the current transformer startup/stopping run, meritorious/reactive power, duty, battery system SOC, SOH.
Non real-time nature processing module, receives and processes battery cell information of voltage and the temperature information of described energy-accumulating power station.
Quasi real time property processing module, receives and processes the alarm failure information of described energy storage device and the controller switching equipment switching information of energy-accumulating power station.
Energy-accumulating power station monitoring system in the present invention is in conjunction with the feature of energy-accumulating power station communication network, controling parameter, and the communication information amount in energy-accumulating power station monitoring that solves is big, instruction needs the problems such as hard real time response.
High real-time communication Ethernet protocol is applied in the energy-accumulating power station monitoring field of reality, it is necessary to change with the communications protocol of energy storage device itself.
Thering is provided an embodiment, wherein, high real-time processing module meets EPA-FRT (FastReal-time) quickly real-time communication protocol；Non real-time nature processing module meets the block real-time property communication protocol of EPA-BRT (BlockReal-time)；Real-time processing module meets EPA-RT (Real-time) real-time communication protocol.
EPA-FRT quick real-time communication protocol: data transmitting period time short frequency is high, data volume is little, requirement of real-time generally wants the agreement of a high order of magnitude compared to Row control field.
In the present embodiment, the quick real-time communication protocol of EPA-FRT meets, by modifying in RT real-time communication protocol, the requirement quickly processed in real time.Protocol stack simplify the multiplexing of transmission with sync message, obtain the grand cycle with this and reach 1ms, synchronization accuracy reaches the performance of the hard real-time of 1us.
EPA-RT (Real-time) real-time communication protocol: utilize EPA_CSME communications dispatching management entity, carries out the timesharing scheduling of cycle data, and aperiodic, data was according to priority scheduling each equipment.
EPA-FRT agreement and EPA-RT agreement all adopt the mode of periodic communication, and each communication cycle is divided into periodic communication time and aperiodic traffic time.Within the periodic communication time, each equipment sends FRT cycle message successively according to the time slot that configuration is distributed, and this is the real-time Transmission passage in EPA-FRT agreement, it is necessary to the data of real-time Transmission are all placed in the periodic communication time and transmit；Within the aperiodic traffic time, each equipment passes through priority scheduling, it is determined that is sent message, non-real-time data by the equipment that priority is the highest, transmits as standard TCP/IP data can be placed in the aperiodic traffic time.
The block real-time property communication protocol of EPA-BRT (BlockReal-time): the block data for big data quantity type is transmitted, to meet the communication mode of its real-time sexual demand.By defining BRT bulk real-time property communication protocol and the transmission service of block data for the communication requirement of these type of data in EPA protocol stack.
Handling process is as follows:
1) when blocks of data transmission sources equipment S reaches the standard grade, have equipment R1 to need acquisition blocks of data (needing to obtain IP Camera data if any monitoring client) in EPA network, then R1 uses " opening block transmission " to service to equipment S request for data；
2) as equipment S no data before this transmits, the multicast of blocks of data is then carried out according to the blocks of data configuration information in " opening block transmission " service, if equipment S existing device R2 request data success before this also transmits data, then S only need to add the information about firms of R1 in object group, and R1 only need to receive the on-line normalization data of S；
3) heartbeat packet having equipment R to S in transmitting procedure occurs, to characterize, link is healthy effectively if equipment S does not receive the heartbeat message of R in certain time, then to be considered as going offline, the optional stop piece transmission of equipment S.In addition this heartbeat packet can carry blocks of data transmission quality information, such as packet loss, delay jitter etc., equipment S can utilize these information, according to the algorithm that user sets, the quality (such as video flowing encoding rate, color treatments pattern etc.) of adjustment block data transmission；
4) the blocks of data transmission of equipment R available " terminating block transmission " revoked apparatus S, if it is last member in S object group, then S selects to close blocks of data transmission；
Finally should be noted that: above example is only in order to illustrate that technical scheme is not intended to limit, although the present invention being described in detail with reference to above-described embodiment, those of ordinary skill in the field are it is understood that still can modify to the specific embodiment of the present invention or equivalent replacement, and without departing from any amendment of spirit and scope of the invention or equivalent replace, it all should be encompassed in the middle of scope of the presently claimed invention.
Claims (7)
1. an energy-accumulating power station monitoring system, it is characterised in that: described system includes the data categorization module connecting described energy-storage system, described data categorization module connection protocol application module, and described agreement application module connects monitoring module；
Described agreement application module includes high real-time processing module, quasi real time property processing module and Non real-time processing module.
2. a kind of energy-accumulating power station monitoring system as claimed in claim 1, it is characterised in that: described data categorization module determines the communication information needing to carry out classification process, it is determined that the categorical attribute of the described communication information；According to described categorical attribute, information to be sorted is classified as corresponding classification；
According to described categorical attribute, by pending information be sent to corresponding agreement application module, information is carried out Communication processing by described agreement application module.
3. a kind of energy-accumulating power station monitoring system as claimed in claim 1, it is characterised in that: a classification only kind of described information to be sorted；
Each agreement application module is corresponding a kind of classification information only, and described agreement application module works simultaneously, does not interfere with each other.
4. energy-accumulating power station monitoring system as claimed in claim 1 a kind of, it is characterised in that: described high real-time processing module receives and processes the PCS remote information of described energy-accumulating power station, PCS shakes adjusting information, PCS shakes letter information, PCS/BMS remote measurement and PCS/BMS status information；
Described PCS remote information, PCS shake adjusting information, PCS shakes letter information and includes participating in controlling the current transformer startup/stopping run, meritorious/reactive power, duty, battery system SOC information, battery system SOH information.
5. a kind of energy-accumulating power station monitoring system as claimed in claim 1, it is characterised in that: described non real-time nature processing module receives and processes battery cell information of voltage and the temperature information of described energy-accumulating power station.
6. a kind of energy-accumulating power station monitoring system as claimed in claim 1, it is characterised in that: described quasi real time property processing module receives and processes alarm failure information and the energy-accumulating power station controller switching equipment switching information of described energy storage device.
7. a kind of energy-accumulating power station monitoring system as claimed in claim 1, it is characterised in that: the information of described energy-accumulating power station includes four and shakes information, battery cell information and facility switching information.
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| CN113785550A (en) * | 2020-02-26 | 2021-12-10 | 株式会社Lg新能源 | Apparatus and method for providing battery information |
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