CN106787190B - A kind of monitoring system and monitoring method for DC micro power grid system - Google Patents
A kind of monitoring system and monitoring method for DC micro power grid system Download PDFInfo
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- CN106787190B CN106787190B CN201611193363.7A CN201611193363A CN106787190B CN 106787190 B CN106787190 B CN 106787190B CN 201611193363 A CN201611193363 A CN 201611193363A CN 106787190 B CN106787190 B CN 106787190B
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 93
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- 238000004891 communication Methods 0.000 claims abstract description 20
- 238000005457 optimization Methods 0.000 claims abstract description 20
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- H02J13/0003—
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
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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
- 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
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/124—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wired telecommunication networks or data transmission busses
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Abstract
A kind of monitoring system and monitoring method for DC micro power grid system disclosed by the invention, belongs to electric system DC micro power grid system monitoring management field.Monitoring system disclosed by the invention, control object are DC micro power grid system, and the DC micro power grid system includes power module, loading module, energy-storage module, net-connected controller, direct-current grid connection power circuit, direct-current grid communication bus.The monitoring system includes local monitor module, message processing module, policy optimization module, data memory module, information exchange module, remote monitoring module.Invention additionally discloses a kind of monitoring methods of monitoring system for DC micro power grid system.The technical problem to be solved by the present invention is to realize and carry out DC micro power grid system intelligent control, effective monitoring DC micro power grid system equipment operation condition by remote terminal, and can understand and handle DC micro power grid system unit exception situation in time.
Description
Technical field
The invention belongs to electric system DC micro power grid system monitoring management fields, more particularly to one kind to be used for DC micro-electric
The monitoring system and monitoring method of net system.
Background technique
With the fast development of global economy, all trades and professions are increasing for the demand of electric energy, however fossil fuel number
Amount is but increasingly reduced, and Renewable Energy Development is extremely urgent.It is exactly distributed using renewable energy as power supply insertion micro-capacitance sensor
Power generation.Distributed power generation construction has the characteristics that flexibly to disperse, and existing power grid can be made full use of to set using distributed power generation
It applies, greatly reduces the cost of power grid construction.It is micro- that distributed power generation is combined with energy storage, load and power electronic equipment to composition
Power grid provides the electric energy of high quality in bulk power grid failure, and one kind effectively solves arranging for distributed generation grid-connected difficulty
It applies.In addition, line cost, enhancing ability to transmit electricity can be reduced using DC micro power grid system, electric energy conversion ratio is improved, system is improved
The controllability and reliability of system.
In recent years, renewable energy micro-capacitance sensor progresses into average family.The simple mode using local operation
The flexibility and intelligence that family's micro-capacitance sensor uses are reduced to monitor the operation of micro-capacitance sensor.Existing technology does not account for far
The technology of range monitoring micro-capacitance sensor, can not understand DC micro power grid system equipment operation information outside, and then cannot rapidly and efficiently
Relevant device is operated, equipment fault cannot be effectively treated, the energy utilization rate of DC micro power grid system is caused to reduce and set
Standby loss.
Summary of the invention
For the deficiency of the monitoring aspect of renewable energy DC micro power grid system in the prior art: (1) for DC micro-electric
The monitoring of net system equipment is not convenient；(2) remote operation apparatus may be caused to be lost to equipment not in time；(3) direct current
The intelligence of micro-grid system monitoring is to be improved.A kind of monitoring system for DC micro power grid system disclosed by the invention and
Monitoring method technical problems to be solved are to realize to carry out DC micro power grid system intelligent control by remote terminal, are effectively supervised
DC micro power grid system equipment operation condition is controlled, and can understand and handle DC micro power grid system unit exception situation in time.
The purpose of the present invention is what is be achieved through the following technical solutions.
A kind of monitoring system for DC micro power grid system disclosed by the invention, control object are direct-current grid system
System, the DC micro power grid system include power module, loading module, energy-storage module, net-connected controller, direct-current grid company
Connect power circuit, direct-current grid communication bus.The monitoring system includes local monitor module, message processing module, plan
Slightly optimization module, data memory module, information exchange module, remote monitoring module.In addition, in original DC micro power grid system
Power module, loading module, energy-storage module, net-connected controller be integrated with voltage-current sensor module, microcontroller mould
Block, CAN bus communication module, integrated voltage-current sensor module, micro controller module, CAN bus communication module are used for
The operating status of power module, loading module, energy-storage module, net-connected controller is acquired, and passes through direct-current grid communication bus
Send local monitor module to.
Local monitor module is used to receive and show the current trend distribution of DC micro power grid system and fault alarm information, and
For showing power module, loading module, energy-storage module, the nominal parameter of net-connected controller and operating status；And it can be arranged
Secure threshold, security level and the data renewal frequency of DC micro power grid system.
Message processing module carries out data identification for that will collect information, and the data of identification include power module, load
The address information of module, energy-storage module, net-connected controller, facility information, voltage and current information；Finally by the information after identification into
Row classification is group classification display with power module, loading module, energy-storage module, net-connected controller.
The DC micro power grid system running state information and locally supervise that policy optimization module is obtained according to message processing module
Secure threshold, security level and the data renewal frequency for controlling DC micro power grid system set by module, in conjunction with DC micro-electric
Net system optimization control algolithm, obtains Optimal Control Strategy.DC micro power grid system monitoring can be improved by policy optimization module
The intelligence of system preferably monitors DC micro power grid system convenient for user.
Further, DC micro power grid system optimisation strategy can be selected and be reached based on the minimum system optimizing control of electric cost
Reach the raising energy to the purpose for saving cost, or the system optimizing control based on DC micro power grid system minimal energy loss
The purpose of utilization rate.
Data memory module is used for will be in message processing module treated data grouping deposit database.
Timely data in data memory module for being transferred in remote monitoring module by information exchange module；And it is used for
Receive the information that remote monitoring module is issued, is passed in data memory module and message processing module.Message processing module energy
Enough guarantee the instantaneity and accuracy of local monitor module and the communication of remote monitoring module information, to guarantee discovery in time and place
Manage DC micro power grid system malfunction.
Remote monitoring module shows DC micro-electric for receiving the data that information exchange module obtains on remote platform
The current trend distribution of net system and fault alarm information, and show power module, loading module, energy-storage module, net-connected controller
Nominal parameter and operating status.User is according to the received Optimal Control Strategy of remote monitoring module and combines the practical need of user
It asks, generates new control strategy and be sent to information exchange module, further pass to local monitor module and control DC micro-electric
The operating status of the power module of net system, loading module, energy-storage module, net-connected controller.The monitoring reached rapidly and efficiently is straight
Flow the purpose of the operation of the power module, loading module, energy-storage module, net-connected controller of micro-grid system, and timely and effective place
Power module, loading module, the energy-storage module, net-connected controller failure of DC micro power grid system are managed, and then reduces DC micro-electric
The loss of net system improves energy utilization rate.
Further, the communication mode of information exchange module and remote monitoring module selects WIFI, wide coverage, biography
Defeated speed quickly, it is healthy and safe, kinds of platform can be supported to use.
Further, remote monitoring module selects mobile terminal for remote platform.Mobile terminal deeply incorporates people
Economic and social life in, it is powerful, entered the intelligent development stage.The advantage of mobile terminal mainly shows
: have open operating system platform, supports flexible exploitation, installation and the operation of application program；Has PC grades of processing energy
Power can handle cumbersome data；Has high speed data network access capability；Have human-computer interaction interface abundant, user's body
It is fine to test sense.
A kind of monitoring method of the monitoring system for DC micro power grid system, includes the following steps:
Step 1: what power module, loading module, energy-storage module and the net-connected controller of DC micro power grid system integrated
Voltage-current sensor and controller acquire the electricity of power module, loading module, energy-storage module and net-connected controller real time execution
Pressure, electric current and temporal information, and it is logical using power module, loading module, energy-storage module and the integrated CAN bus of net-connected controller institute
Module is believed, by direct-current grid transmission to message processing module.
Step 2: local monitor module is collected information and carries out data identification, the data packet of identification by message processing module
Include the address information of power module, loading module, energy-storage module, net-connected controller, facility information, voltage and current information.
Step 3: the data that local monitor module handles message processing module well are shown in human-computer interaction interface.Display
Information include the distribution of DC micro power grid system current trend and fault alarm information, and show power module, loading module, storage
The nominal parameter and operating status of energy module, net-connected controller.This module shows that DC micro power grid system is transported in the form of a web page
Row status displaying information.
Step 4: secure threshold, security level and data are set in the display page of local monitor module and update frequency
Rate etc..In the provisioning process, in the operation of the page, background data base will record and save user, submit to message processing module.
Step 5: in the data grouping deposit database that data memory module obtains message processing module.
Step 6: it is excellent that the data that DC micro power grid system policy optimization module obtains message processing module carry out algorithm
Change, and obtained Optimal Control Strategy is recommended into user by subsequent step.DC micro power grid system is optimized and is calculated, and to
User recommends optimisation strategy, can be improved the intelligence of DC micro power grid system.
Step 7: DC micro power grid system policy optimization module is generated optimisation strategy to information exchange module and data store
The data transmission of module is to remote monitoring module.It include the trend of DC micro power grid system in the information of information exchange module transmission
Distribution and fault alarm information can allow user to obtain the abnormal state information of DC micro power grid system generation, Neng Gouti in time
The timeliness of high DC micro power grid system monitoring.
Step 8: remote monitoring module receives the data that data transmission module obtains, and direct current is shown on remote platform
The current trend distribution of micro-grid system and fault alarm information, and show power module, loading module, energy-storage module and network control
The nominal parameter and operating status of device processed.Remote monitoring module can show the relevant information of DC micro power grid system to user, real
The long-range control of existing DC micro power grid system can be improved DC micro power grid system control convenience.
Step 9: user is according to the received Optimal Control Strategy of remote monitoring module and combines user's actual need, generates
New control strategy is sent to information exchange module, further passes to local monitor module and controls DC micro power grid system
The operating status of power module, loading module, energy-storage module, net-connected controller.
Step 10: one is repeated the above steps to step 9, facilitates the monitoring for DC micro power grid system, and timely and effective
Power module, loading module, the energy-storage module, net-connected controller failure of DC micro power grid system are handled, and then it is micro- to reduce direct current
The loss of network system improves energy utilization rate.
The utility model has the advantages that
1, a kind of monitoring system and monitoring method for DC micro power grid system disclosed by the invention, policy optimization module
DC micro power grid system system optimizing control is run, obtains Optimal Control Strategy, the operation of optimal control DC micro power grid system, energy
Enough improve the intelligence of the monitoring of DC micro power grid system.
2, a kind of monitoring system and monitoring method for DC micro power grid system disclosed by the invention, user can basis
The received Optimal Control Strategy of remote monitoring module simultaneously combines user's actual need, generates new control strategy and to control direct current micro-
Network system can be improved the intelligence of smart micro-grid system, high efficiency, and can more agree with the demand of user.
3, a kind of monitoring system and monitoring method for DC micro power grid system disclosed by the invention, user can basis
The received direct-current grid running state information of remote monitoring module, and it is micro- as desired by remote monitoring module control direct current
Network system, achieve the purpose that rapidly and efficiently control DC micro power grid system operation, and can timely and effective processing direct current it is micro-
Network system obtains failure, and then reduces the loss of DC micro power grid system, improves energy utilization rate.
4, a kind of monitoring system and monitoring method for DC micro power grid system disclosed by the invention, remote monitoring module
The relevant information that DC micro power grid system can be shown to user, realizes the long-range control of DC micro power grid system, can be improved straight
It flows micro-grid system and controls convenience.
Detailed description of the invention
Fig. 1 is a kind of monitoring system for DC micro power grid system and monitoring method structural schematic diagram
Fig. 2 is that information exchange module of the present invention sends data to Internet network program flow diagram
Fig. 3, which is information exchange module of the present invention, receives data program flow chart from Internet network
Fig. 4 is that remote monitoring module of the present invention sends control instruction program flow diagram
Fig. 5 is that remote monitoring module of the present invention receives data program flow chart
Wherein: 1-DC micro power grid system；101-DC micro power grid systems connect power circuit；102-DC micro-electrics
Network Communication bus；2-monitoring systems；201-data flows；202-wireless data transmissions
Specific embodiment
The present invention is described in more detail presently in connection with attached drawing, these attached drawings are simplified schematic diagram, only
Illustrate the basic structure of invention in a schematic way, therefore it only shows the composition relevant to the invention.
Embodiment 1:
A kind of monitoring system for DC micro power grid system disclosed in the present embodiment, control object are direct-current grid system
System 1, the DC micro power grid system 1 include power module, loading module, energy-storage module, net-connected controller, direct-current grid
System connects power circuit 101, DC micro power grid system communication bus 102.The monitoring system 2 includes local monitor mould
Block, message processing module, policy optimization module, data memory module, information exchange module, remote monitoring module.In this example
Power module selects photovoltaic power generation equipment, and loading module includes tunable load and non-adjustable load.Non-adjustable load is cannot to change
Become the load for using the time, such as the electric light at night；Tunable load is the load that can change using the time, such as washing machine.Energy storage
Module selects lithium ion battery and coupled two-way DC/DC converter.Net-connected controller selects two-way DC/AC controller.
Local monitor mould chooses PC machine；Message processing module selects Visual Studio software；The selection of policy optimization module, which is selected, to be based on
The minimum system optimizing control of electric cost and the system optimizing control based on DC micro power grid system minimal energy loss；Data
Memory module selects SQL-Server database；Information exchange module uses Web-Service application program；Remote monitoring module
Select WIFI and the cell phone application based on Android platform.
In addition, the photovoltaic power generation equipment, tunable load and non-adjustable load, two-way DC/DC in DC micro power grid system 1 become
Parallel operation, two-way DC/AC controller are integrated with voltage-current sensor, controller, CAN bus communication module, integrated voltage
Current sensor module, micro controller module, CAN bus communication module are for acquiring power module, loading module, energy storage mould
The operating status of block, net-connected controller, and PC machine is sent to by direct-current grid communication bus.
DC micro power grid system operating condition browsing pages are set in PC machine, facilitate user's local monitor direct-current grid
1 operating status of system.The setting of browsing pages is according to monitoring interface, system configuration, system optimization, real-time curve and affair alarm
Classification.Wherein system configuration is according to photovoltaic power generation equipment, tunable load and non-adjustable load, lithium ion battery and coupled
Two-way DC/DC converter, the classification of two-way DC/AC controller.Data to be shown include photovoltaic power generation equipment in system configuration
The quantity of illumination, the voltage rating of photovoltaic power generation equipment, electric current and generated output and actual motion power；Lithium ion battery it is specified
Input/output power and remaining capacity situation (SOC) when operating parameter and operation；The operating status respectively loaded, can not
Adjust the runing time of load and the adjustable time and current device switch state of power and tunable load；DC/AC converter
Operating status.
PC machine is handled the data received using Visual Studio software.The number that each equipment is sent
According to flow data split identify, the data of identification include photovoltaic power generation equipment, tunable load and it is non-adjustable load, lithium ion battery and
The address information of coupled two-way DC/DC converter, two-way AC/DC controller, facility information, voltage and current information；Most
The information classification display after identification is stored in SQL-Server database on the browsing pages of PC machine, and by information afterwards.
SQL-Server database has stronger expansibility, and exploitation is convenient, good server architecture, Yi Jiyu
Visual Studio matching degree is high, is a powerful database software.
Policy optimization module calculates different DC micro power grid system control strategies according to different targets, mentions for user
For different recommendation selection schemes, the embodiment for helping user to plan DC micro power grid system.Two kinds of selection is excellent in instances
Change method is using the minimum target of electric cost and based on DC micro power grid system minimal energy loss respectively as the optimization of target
Algorithm.
In the Web-Service application program in Visual Studio establish access database server connection and with
The data connection of WIFI module.In the data connection with WIFI module, using needing to adjust in Gethttp functional query database
Related data；Web-Service is published on local area network, then is sent in Internet network by WIFI module,
Cell phone application is facilitated to remotely access Web-Service.In data packing process, JSON language text format is selected.JSON is used
It is totally independent of the text formatting of language, is easy to people and reads and write, while being also easy to machine parsing and generating.It can be well
Network transmission speed is promoted, cell phone application is facilitated more quickly to send and receive data.
WIFI module uses SSV6060P, is that WIFI module adds microprocessor integrated chip, can make PC machine and database
Server is easily networked, all-transparent bidirectional data transfers, ensures the ease for use and compatibility of maximum.
Cell phone application is developed based on Android platform in this example.We select to use in this example
HttpURLConnection method is communicatively coupled.Firstly the need of the example for getting HttpURLConnection, generally
It need to only be created that a URL object, and the network address of incoming target, then call OpenConnection () method,
After obtaining the example of HttpURLConnection, method used in HTTP request, setting request is can be set in user
There are two types of, GET and POST, POST are desirable to submit data to server, and GET indicates to wish where obtain data from server.
GET is used in the operation of cell phone application inquiry, we use POST mode in the operation for micro-grid system.
For connection time-out, what the setting and server for reading millisecond number etc. of time-out were intentionally got some disappears
Breath etc., can be write according to the practical of oneself, the tool-class of HttpUtils is applied to when accessing, and be realized
GetNewsJSON () method for the incoming URL for getting JSON data and parses JSON data.
Operating status ranking score is normal operating condition, the state of alert, the state of emergency, collapse conditions in this example.Just
Normal operating status is defined as bus working voltage between the 95%-105% of voltage rating, and does not have equipment fault；Guard against shape
State is defined as bus working voltage 105%-the 110% of voltage rating or 90% -95%, or equipment fault occurs；Tightly
Anxious state is defined as bus working voltage 110%-the 115% of voltage rating or 85% -90%, or serious set occurs
Standby failure；Collapse conditions be defined as bus working voltage greater than voltage rating 115% or less than 85%, or occur it is extremely tight
The equipment fault of weight.
The end PC operates normally message to the cell phone application feedback of Android platform under normal operating condition；PC under the state of alert
End is not to the cell phone application feedback warning prompting message of Android platform；Mobile phone of the end PC to Android platform under the state of emergency
APP dials preset voice reminder phone；System can open automatic protection mechanism and the end pair PC under collapse conditions
The cell phone application of Android platform dials preset voice reminder phone.
In normal state, user can according to the actual situation manipulate the equipment of micro-capacitance sensor, such as to tunable load
Adjusting use the time, to meet itself needs；User can be according to the content of alarm under the state of alert and the state of emergency
Related protection operation is carried out to the equipment of DC micro power grid system.
The operating instruction of whole system is obtained if system can be safely operated at this time；The control of distinct device is referred to
It enables and each equipment is issued by CAN bus communication module.Each equipment passes through microprocessor again and parses instruction, Jin Ershi
The change of existing state of a control.
Above-described specific descriptions have carried out further specifically the purpose of invention, technical scheme and beneficial effects
It is bright, it should be understood that above is only a specific embodiment of the present invention, being used to explain the present invention, it is not used to limit this
The protection scope of invention, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all
It is included within protection scope of the present invention.
Claims (8)
1. a kind of monitoring system for DC micro power grid system, it is characterised in that: control object is DC micro power grid system
(1), the DC micro power grid system (1) includes power module, loading module, energy-storage module, net-connected controller, DC micro-electric
Net connection power circuit (101), direct-current grid communication bus (102)；The monitoring system (2) includes local monitor mould
Block, message processing module, policy optimization module, data memory module, data exchange module, remote monitoring module；In addition, direct current
Power module, loading module, energy-storage module, net-connected controller in micro-grid system (1) are integrated with voltage-current sensor
Module, micro controller module, CAN bus communication module, integrated voltage-current sensor module, micro controller module, CAN are total
Line communication module is used to acquire the operating status of power module, loading module, energy-storage module, net-connected controller, and passes through direct current
Micro-capacitance sensor communication bus (102) sends local monitor module to；
Local monitor module is used to receive and show the current trend distribution of DC micro power grid system (1) and fault alarm information, and
For showing power module, loading module, energy-storage module, the nominal parameter of net-connected controller and operating status；And it can be arranged
Secure threshold, security level and the data renewal frequency of DC micro power grid system (1)；
Message processing module for will collect information carry out data identification, the data of identification include power module, loading module,
The address information of energy-storage module, net-connected controller, facility information, voltage and current information；Finally the information after identification is divided
Class is group classification display with power module, loading module, energy-storage module, net-connected controller；
DC micro power grid system (1) running state information and local monitor that policy optimization module is obtained according to message processing module
Secure threshold, security level and the data renewal frequency of DC micro power grid system set by module (1), in conjunction with DC micro-electric
Net system (1) system optimizing control, obtains Optimal Control Strategy；DC micro power grid system can be improved by policy optimization module
(1) intelligence of monitoring system (2) preferably monitors DC micro power grid system (1) convenient for user；
Data memory module is used for will be in message processing module treated data grouping deposit database；
Timely data in data memory module for being transferred in remote monitoring module by data exchange module；And for receiving
The information that remote monitoring module is issued is passed in data memory module and message processing module；Message processing module can be protected
The instantaneity and accuracy of local monitor module and the communication of remote monitoring module information are demonstrate,proved, to guarantee that discovery in time and processing are straight
Flow micro-grid system (1) malfunction；
Remote monitoring module shows direct-current grid system for receiving the data that data exchange module obtains on remote platform
It unites (1) current trend distribution and fault alarm information, and shows power module, loading module, energy-storage module, net-connected controller
Nominal parameter and operating status；User is according to the received Optimal Control Strategy of remote monitoring module and combines user's actual need,
It generates new control strategy and is sent to data exchange module, further pass to local monitor module and control direct-current grid system
It unites the operating status of the power module of (1), loading module, energy-storage module, net-connected controller；Reach monitoring direct current rapidly and efficiently
The purpose of the operation of the power module, loading module, energy-storage module, net-connected controller of micro-grid system (1), and timely and effective place
Power module, loading module, the energy-storage module, net-connected controller failure of DC micro power grid system (1) are managed, and then it is micro- to reduce direct current
The loss of network system (1) improves energy utilization rate.
2. a kind of monitoring system for DC micro power grid system as described in claim 1, it is characterised in that: direct-current grid
System (1) optimisation strategy, which can be selected, to be achieved the purpose that save cost, Huo Zheji based on the minimum system optimizing control of electric cost
Achieve the purpose that improve energy utilization rate in the system optimizing control of DC micro power grid system (1) minimal energy loss.
3. a kind of monitoring system for DC micro power grid system as claimed in claim 1 or 2, it is characterised in that: data are handed over
The communication mode for changing the mold block and remote monitoring module selects WIFI, wide coverage, transmission speed quickly, healthy and safe, energy
Kinds of platform is supported to use.
4. a kind of monitoring system for DC micro power grid system as claimed in claim 1 or 2, it is characterised in that: long-range prison
Control module selects mobile terminal for remote platform；Mobile terminal has deeply incorporated in the economic and social life of people, function
Can be powerful, enter the intelligent development stage；The advantage of mobile terminal is mainly manifested in: it is flat to have open operating system
Platform supports flexible exploitation, installation and the operation of application program；Have PC grades of processing capacity, can handle cumbersome data；Tool
Standby high speed data network access capability；Has human-computer interaction interface abundant, user experience is fine.
5. a kind of monitoring system for DC micro power grid system as claimed in claim 1 or 2, it is characterised in that: power supply mould
Block selects photovoltaic power generation equipment, and loading module includes tunable load and non-adjustable load；Non-adjustable load is cannot to change use
The load of time；Tunable load is the load that can change using the time；Energy-storage module selects lithium ion battery and coupled
Two-way DC/DC converter；Net-connected controller selects two-way DC/AC controller；Local monitor mould chooses PC machine；Information processing mould
Block selects Visual Studio software；The selection of policy optimization module select based on the minimum system optimizing control of electric cost and
System optimizing control based on DC micro power grid system minimal energy loss；Data memory module selects SQL-Server data
Library；Data exchange module uses Web-Service application program；Remote monitoring module selects WIFI and is based on Android platform
Cell phone application.
6. a kind of monitoring method of the monitoring system for DC micro power grid system, it is characterised in that: include the following steps,
Step 1: what power module, loading module, energy-storage module and the net-connected controller of DC micro power grid system (1) integrated
Voltage-current sensor and controller acquire the electricity of power module, loading module, energy-storage module and net-connected controller real time execution
Pressure, electric current and temporal information, and it is logical using power module, loading module, energy-storage module and the integrated CAN bus of net-connected controller institute
Believe module, message processing module is transferred to by direct-current grid communication bus (102)；
Step 2: local monitor module is collected information and carries out data identification by message processing module, and the data of identification include electricity
The address information of source module, loading module, energy-storage module, net-connected controller, facility information, voltage and current information；
Step 3: the data that local monitor module handles message processing module well are shown in human-computer interaction interface；The letter of display
Breath includes DC micro power grid system (1) current trend distribution and fault alarm information, and shows power module, loading module, storage
The nominal parameter and operating status of energy module, net-connected controller；Local monitor module shows direct-current grid in the form of a web page
System (1) operating status shows information；
Step 4: secure threshold, security level and data renewal frequency are set in the display page of local monitor module；?
In setting up procedure, in the operation of the page, background data base will record and save user, submit to message processing module；
Step 5: in the data grouping deposit database that data memory module obtains message processing module；
Step 6: the data that DC micro power grid system (1) policy optimization module obtains message processing module carry out algorithm optimization,
And obtained Optimal Control Strategy is recommended into user by subsequent step；DC micro power grid system (1) is optimized and is calculated, and to
User recommends optimisation strategy, can be improved the intelligence of DC micro power grid system (1)；
Step 7: DC micro power grid system (1) policy optimization module is generated optimisation strategy to data exchange module and data store
The data transmission of module is to remote monitoring module；It include DC micro power grid system (1) in the information of data exchange module transmission
Trend distribution and fault alarm information, can allow user to obtain the abnormal state information of DC micro power grid system (1) generation in time,
It can be improved the timeliness of DC micro power grid system (1) monitoring；
Step 8: remote monitoring module receives the data that data exchange module obtains, and DC micro-electric is shown on remote platform
The current trend distribution of net system (1) and fault alarm information, and show power module, loading module, energy-storage module, cutting-in control
The nominal parameter and operating status of device；Remote monitoring module can show the relevant information of DC micro power grid system (1) to user, real
The long-range control of existing DC micro power grid system (1) can be improved DC micro power grid system (1) control convenience；
Step 9: user is according to the received Optimal Control Strategy of remote monitoring module and combines user's actual need, generates new
Control strategy is sent to data exchange module, further passes to local monitor module and controls DC micro power grid system (1)
The operating status of power module, loading module, energy-storage module, net-connected controller；
Step 10: one is repeated the above steps to step 9, facilitates the monitoring for DC micro power grid system (1), and timely and effective
Power module, loading module, the energy-storage module, net-connected controller failure of DC micro power grid system (1) are handled, and then reduces direct current
The loss of micro-grid system (1) improves energy utilization rate.
7. a kind of monitoring method of the monitoring system for DC micro power grid system as claimed in claim 6, it is characterised in that:
The operating status ranking score is normal operating condition, the state of alert, the state of emergency, collapse conditions；Normal operating condition is fixed
Justice is bus working voltage between the 95%-105% of voltage rating, and does not have equipment fault；The state of alert is defined as bus
Working voltage is 105%-the 110% of voltage rating or 90% -95%, or equipment fault occurs；The state of emergency is defined as
Bus working voltage is 110%-the 115% of voltage rating or 85% -90%, or serious equipment fault occurs；Collapse
State be defined as bus working voltage greater than voltage rating 115% or less than 85%, or there is extremely serious equipment therefore
Barrier.
8. a kind of monitoring method of the monitoring system for DC micro power grid system as claimed in claim 7, it is characterised in that:
The end PC operates normally message to the cell phone application feedback of Android platform under normal operating condition；The end PC is not right under the state of alert
The cell phone application feedback warning prompting message of Android platform；The cell phone application of Android platform is dialed at the end PC under the state of emergency
Preset voice reminder phone；System can open automatic protection mechanism and the end PC to Android platform under collapse conditions
Cell phone application dial preset voice reminder phone.
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| CN107086670A (en) * | 2017-06-20 | 2017-08-22 | 武汉理工大学 | A kind of multiple-energy-source micro-capacitance sensor charging station experiment porch monitoring system and control method |
| CN107171442A (en) * | 2017-07-17 | 2017-09-15 | 合肥锦和信息技术有限公司 | A kind of power-supply device remote monitoring system |
| CN107831672A (en) * | 2017-10-31 | 2018-03-23 | 上海电力学院 | Intelligent energy system Optimized Design of Visualization runs integrated apparatus and method |
| CN107728008A (en) * | 2017-11-28 | 2018-02-23 | 天津浩源慧能科技有限公司 | A kind of electric network fault detection method |
| CN109038823A (en) * | 2018-08-15 | 2018-12-18 | 国家电网有限公司 | Distributed wind-light storage integration intelligent control system for microgrid |
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