CN107580025A - A kind of more control centres of power network in a few days generation schedule Security Checking data sharing method - Google Patents
A kind of more control centres of power network in a few days generation schedule Security Checking data sharing method Download PDFInfo
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- CN107580025A CN107580025A CN201710664813.4A CN201710664813A CN107580025A CN 107580025 A CN107580025 A CN 107580025A CN 201710664813 A CN201710664813 A CN 201710664813A CN 107580025 A CN107580025 A CN 107580025A
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Abstract
The invention discloses the more control centres of power network in a few days generation schedule Security Checking data sharing method, it is determined that three shared etale topology structures of interaction, more scheduling data exchange ways and all kinds of plan core datas storage access mode under distributed environment, each control centre carries out data source preparation respectively, is communicated with this control centre's agency service and pushes above-mentioned data to it；Remaining control centre is the user terminal of this control centre's data source, and master agent service and the data for agency service can be positioned by Wide Area Network user terminal and used；After in a few days planning all kinds of planning datas needed for the whole control centres of acquisition of control centre, needed to start Security Checking analysis calculating according to calculating cycle.The present invention improves more control centres in a few days generation schedule Security Checking data wide area shared flexibility, reliability and instantaneity, multilevel coordination is carried out in a few days management and running link for power network and run the support that provides the foundation, improve multilevel coordination in a few days generation schedule establishment efficiency.
Description
Technical field
The invention belongs to dispatching automation of electric power systems technical field, and in particular to a kind of more control centres of power network are in a few days sent out
Electric plan security check data sharing method.
Background technology
Granted with a plurality of extra-high voltage project, extra-high voltage grid pace of construction is increasingly accelerated, and power network scale develops rapidly,
National network basically forms.At present, operation of power networks integrated degree greatly improves, the interconnection " handed in hand " nearby from 500 kilovolts
Power network, the integrated power system connected with extra-high voltage main grid structure being developed into, alternating-current electric contact is close, alternating current-direct current exchange capacity is huge,
Power networks at different levels influence each other, interacting further enhances, and power network coupled characteristic highlights, and power network characteristic turns to one by compartment model
Body pattern.The rapid growth of power transfer capacity is a wide range of interior most optimum distribution of resources, new energy effectively consumption provides heavily fortified point
Real reliable hardware guarantee, but also bring new challenge for electric power netting safe running simultaneously.
It is to obtain accurate operation of power networks data that Security Checking is carried out to power network and calculates the basis analyzed, in a few days planning
For, required planning data is similar with planning a few days ago, mainly including load prediction, generation schedule, tie line plan, maintenance
Plan and stability limitation data.State point saves scheduling at different levels and faces same power network object, and operation plan adjustment at different levels can all produce
Life influences each other, and typically uses provincial balanced mode in the past, provincial power network perimeter strip is used as using pre-determined tie line plan
The carry out Security Checking analysis of part, can now relatively large deviation be produced, it is necessary to data sharing be realized between more scheduling, in network-wide basis
Security Checking is carried out, ensures computational accuracy.
In planning a few days ago, mainly it is intended to the data such as adjustment formation file in provincial scheduling and is transferred to higher level's tune
Degree, each upgrading control centre is issued step by step again after collecting total data step by step, it is all to dispatch the safe school that can be carried out the whole network
Kernel analysis.But in a few days, once there is situations such as extra-high voltage alternating current-direct current fault of interconnected transmission line, sending end transmission power significantly reduces,
If adjusting control strategy and hair transmission of electricity plan not in time, chain reaction will be triggered, in a few days extensive power missing in management and running
Increased risk, therefore, more scheduling can not have been adapted to by way of exchange files data have been total to when in a few days generation schedule adjusts
Enjoy performance requirement.
The content of the invention
In view of the above-mentioned problems, the present invention proposes a kind of more control centres of power network in a few days generation schedule Security Checking data sharing
Method, it can be used for the more control centres of large scale electric network in the operation of in a few days combined dispatching, the data that realize a plan efficiently are total to
Enjoy, provide instant accurate data for the Security Checking analysis of plan, ensure power network safety operation.
Above-mentioned technical purpose is realized, reaches above-mentioned technique effect, the present invention is achieved through the following technical solutions：
A kind of more control centres of power network in a few days generation schedule Security Checking data sharing method, comprises the following steps：
(1) clearing agent's service is respectively provided with each control centre；
(2) each control centre carries out in a few days planning data preparation respectively, collects the data of this operation plan, and each with it
From clearing agent's servicing communications push aforementioned data；
(3) after clearing agent's service receives data, numbering is indexed for the data received, and store real to caching
In body file；
(4) user terminal and required agency service are established after connection, and each user terminal sends data directory and numbered to required
Control centre the inquiry of clearing agent's service request, obtain next tricks after index number described in clearing agent's service
According to after data acquisition, the data directory that record accessed at that time is numbered for carrying out data acquisition next time, repeats foregoing number
According to acquisition process, the acquisition until completing all required Various types of data in a few days planned；Realize that the more control centres of power network are in a few days sent out
Electric plan security check data sharing.Further, the step (1) is specially：According to maximum concurrent access number N, wherein,
N is more than or equal to 1, creates each control centre's data and shares access service N part page cache entity files, and marks wherein one
Individual is main agency service, and remaining is standby agency service.
Further, the step (3) is specially：
Master agent service is cached to the data received using additional mode, while is indexed numbering to them,
It is then stored in buffer entity file；
Master agent service does multiple backups for oneself and for agency service replicate data；If standby agency service fails, from
The historical data of synchronization master agent service at other standby agency service；If master agent service failure, other standby agencies are made to take
Business continues to service as new master agent service.
Further, all read-write operations are responsible in the master agent service, and standby agency service is only responsible for taking with master agent
Business synchrodata.
Further, the data of this described operation plan include the prediction of ultra-short term system loading, ultra-short term bus is born
Lotus prediction, in a few days generation schedule data, in a few days tie line plan data, ad hoc inspection and repair planning data, in a few days stable cross section forms
And its limit.
Further, the user terminal is each control centre or other user terminals based on Wide Area Network.
Further, the described more control centres of a kind of power network in a few days generation schedule Security Checking data sharing method, also
Comprise the following steps：
(5) user terminal needs to start Security Checking analysis calculating according to calculating cycle；
(6) step (2) is entered, starting next cycle, in a few days planning data is shared.
Beneficial effects of the present invention：
(1) the data source in the present invention and user terminal are decoupled by clearing agent's service, i.e., user terminal is to pass through
Clearing agent's service acquisition data, as long as therefore the exchange generation can be passed through in the corresponding clearing agent's service of user terminal deployment
Service acquisition data are managed, and are not necessarily required to turn into simultaneously the provider of data, be i.e. data source, so as to reach the mesh of decoupling
, user terminal can be extended independently of data source, have high degree of flexibility, and the complex data for being especially suitable for multi-to-multi is total to
Enjoy, while also allow for Function Extension of the user terminal to homogeneous data.
(2) present invention crosses random writing mode feature using disk addition write-in is significantly fast, and clearing agent's service uses line
Property add mode page cache write-in planning data carry out persistence, writing speed can be greatly improved, and can prop up simultaneously
Hold the quick access of online off-line data.
(3) clearing agent of the invention service is not only carried with master agent service and standby agency service by active and standby mechanism
High reliability, can easily realize that load balancing is realized in the parallelization processing of user terminal data access, improve multi-user end and visit
Ask efficiency.
(4) use data source of the invention-push away and user terminal-drawing two ways combination, the two realizes asynchronous interactive, no
Both ends are needed to wait each other, the data sharing between more control centre's wide-area distribution type heterogeneous systems that are particularly suitable for use in.
(5) it is of the invention to improve more control centres in a few days shared flexible of generation schedule Security Checking data wide area
Property, reliability and instantaneity, carrying out multilevel coordination operation in a few days management and running link for power network provides the foundation support, raising
Multilevel coordination in a few days generation schedule establishment efficiency, the safe operation lean for promoting dispatching of power netwoks are horizontal；And data sharing side
Method has the characteristics of realizing simple, flexible and efficient, strong adaptability, is adapted in China's scheduling institution popularization and application at different levels.
Brief description of the drawings
Fig. 1 is the data source-etale topology structure chart of clearing agent's service-user terminal three of an embodiment of the present invention；
Fig. 2 is that the state point of an embodiment of the present invention saves in a few days generation schedule Security Checking data sharing method flow signal
Figure.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to
Limit the present invention.
The application principle of the present invention is explained in detail below in conjunction with the accompanying drawings.
The more control centres of the power network in a few days generation schedule Security Checking data sharing method of the present invention is unified based on more scheduling
Power network static physical model parameter (mainly including circuit, the reactance of transformer, impedance, the physical connection period of equipment etc.),
It is determined that the shared three etale topology structures (data source-clearing agent's service-user terminal) of interaction under distributed environment, such as Fig. 1 institutes
Show, it is dispatch data exchange ways and all kinds of plan core datas storage access mode, involved in a few days planning data bag more
Include ultra-short term system loading prediction, ultra-short term bus load prediction, in a few days generation schedule data, in a few days tie line plan data,
Ad hoc inspection and repair planning data, in a few days stable cross section composition and its limit.Each control centre carries out data respectively as data source
Prepare, corresponding clearing agent service (including master agent service and standby agency service) communication simultaneously pushes above-mentioned number to it
According to；Remaining control centre is the user terminal of this control centre's data source, and the data of master agent service and standby agency service
It can be positioned and use by Wide Area Network user terminal；User terminal obtains the required of total data source and in a few days plans all kinds of quotas
According to rear, need to start Security Checking analysis according to calculating cycle and calculate.
Embodiment 1
A kind of more control centres of power network in a few days generation schedule Security Checking data sharing method, comprises the following steps：
Step (1)：Clearing agent's service is respectively provided with each control centre；
Specially：According to maximum concurrent access number N, wherein, N is more than or equal to 1, creates each control centre's data point
Access service N part page cache entity files are enjoyed, and it is main agency service to mark one of them, remaining is standby agency service；
Described clearing agent's service exists in a manner of executable program Resident Process, and described page cache entity file is to exchange
The carrier of agency service；
Step (2)：Each control centre carries out in a few days planning data preparation respectively, now, control centre as data source,
The data of this operation plan are collected, and aforementioned data is pushed with its respective clearing agent's servicing communications；
The data of this described operation plan include the prediction of ultra-short term system loading, the prediction of ultra-short term bus load, day
Interior generation schedule data, in a few days tie line plan data, in a few days ad hoc inspection and repair planning data, stable cross section composition and its limit.
Step (3)：After clearing agent's service receives data, numbering is indexed for the data received, and store and arrive
In buffer entity file；
Specific implementation process is：
3.1：Master agent service is cached to the data received using additional mode, while is indexed volume to them
Number, it is then stored in buffer entity file；Wherein, all read-write operations are responsible in the master agent service, standby agency service
Only it is responsible for and master agent service synchronization data；Exchange compared to general data and retained using internal memory or random file cache way,
The inventive method is using additional mode, and now search disk spending is small, therefore efficiency gets a promotion；
3.2：Master agent service does multiple backups for oneself and for agency service replicate data；If standby agency service fails,
Then from the historical data of synchronization master agent service at other standby agency service；If master agent service failure, other are made for generation
Reason service continues to service as new master agent service；
3.3：Master agent service and standby agency service are fully completed the backward data source return of caching and have successfully received data
State.
Step (4) user terminal and required agency service are established after connection, each user terminal send data directory number to
Clearing agent's service request inquiry of required control centre, it is a set of under obtaining described in clearing agent's service after index number
(i.e. user terminal submits data access index number to data, and clearing agent's service is according to index number from page cache entity file
Data corresponding to middle extraction return to user terminal), after data acquisition, record the data directory numbering accessed at that time and (use
Family end records the index number of the data successfully obtained), for carrying out data acquisition (one i.e. as access next time next time
Parameter), aforementioned data acquisition process is repeated, the acquisition until completing all required Various types of data in a few days planned；Realize power network
The in a few days generation schedule Security Checking data sharing of more control centres.In the step (4), user terminal shared data is accessed using drawing
Mode, i.e., user terminal and clearing agent, which service, establishes after connection, actively sends last visit data directory and goes to obtain new number
According to, so can according to the consuming capacity of oneself it is in good time go to obtain, and the progress and quantity of controllable data acquisition；
The user terminal is each control centre or other user terminals based on Wide Area Network
Step (5)：User terminal needs to start Security Checking analysis calculating according to calculating cycle；
Step (6)：Into step (2), starting next cycle, in a few days planning data is shared.
Embodiment 2
With reference to Fig. 2, to by the more control centres of power network of the present invention, in a few days generation schedule Security Checking data sharing method should
Use state's tune, branch center, saving tune, in a few days generation schedule Security Checking data sharing process is described in detail.
State point saves tune, and in a few days by the way of layering exchanges, state adjusts and each branch center generation schedule Security Checking data exchange
Data sharing is carried out, each province transfers in row data sharing under branch center, data sharing between branch center.Wherein branch center, which is played, holds
Effect under opening.
(1) set clearing agent to service respectively in each control centre, according to maximum concurrent access number, create in each scheduling
Heart data sharing accesses 6 parts of page cache entity files of service, and it is main agency service to mark one of them, and remaining is standby generation
Reason service；
(2) state, branch center, each control centre of province carry out data source preparation respectively, collect this dispatch plan data, including super
Short term system load prediction, the in a few days prediction of ultra-short term bus load, generation schedule data, in a few days tie line plan data, interim
Repair schedule data, in a few days stable cross section composition and its limit, it is with respective clearing agent's servicing communications and above-mentioned to its push
Data；
(3) the clearing agent's service for the control centre that state, the administrative province in branch center and branch center adjust receives data source and sent
Data after, be indexed numbering for the data, and store into buffer entity file.Master agent service is used the data received
Carry out adding mode and cache, master agent service does multiple backups for oneself and standby agency service replicate data, if standby agency's clothes
Business failure, from the historical data of synchronization master agent service at other standby agency service；If master agent service failure, other are standby
Agency service continues to service as new master agent service.In order to ensure the reliability of data, master agent service is responsible for all
Read-write operation, standby agency service and master agent service synchronization data.Master agent service and standby agency service are fully completed caching
Backward data source returns；
(4) the administrative province's adjusting data in branch center and branch center is collected into the user terminal that user terminal is customized to data source, each scheduling
The data of center master agent service and standby agency service can position to use by Wide Area Network user terminal (passes through Wide Area Network
IP address), the data directory numbering of last visit is sent to this control centre's proxy service request and inquired about by each user terminal, is obtained
Next sets of data after the current index of agency service, after data processing, the data directory numbering of current accessed is recorded, is entered
Access next time；
(5) control centre as user terminal obtains in a few days plans all kinds of planning datas needed for other all control centres
Afterwards, needed to start Security Checking analysis calculating according to calculating cycle；
(6) step (2) is entered, starting next cycle in a few days plans calculating cycle.
In summary：
(1) using the structure of data source-clearing agent's service-three layers of user terminal decoupling, the flexibility shared between more scheduling,
The sharing mode of more control centres switches over；
(2) sharing efficiency that in a few days relevant plans data are shared between dispatching more is improved, satisfaction is in a few days dispatched to ageing
It is required that；
(3) reliability that data are sent is improved, transmission content does persistence processing, ensures in network or the mistake of a part of component
The reasons such as effect do not interfere with whole system when causing sharing problem, still can be processed after system recovery, reduce into
The degree of coupling between journey；
(4) present invention has given full play to flexibility effect, is successively sent by configuring to realize, can flexible expansion data make
With end, the implementation without changing the whole network, while cache mode is used, remain data persistence inquiry advantage
While, sharing efficiency greatly improves compared with transmitting interactive mode based on file.In addition, Exchange Service end uses active and standby service
Mode, by improving the concurrent access of read-write, further increase data access efficiency.In a few days generated electricity meter by more control centres
The quick the whole network for drawing Security Checking data is shared, and more times are reserved to the adjustment decision-making of in a few days network-wide security analysis and optimization,
Technical guarantee is provided for power grid security economical operation.
(5) present invention has the characteristics of calculating low intensity, strong adaptability, data source-push away and user terminal-drawing two ways
With reference to the two realizes asynchronous interactive, it is not necessary to which both ends wait each other, and be particularly suitable for use in more control centre's wide-area distribution type isomery systems
Data sharing between system.
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (7)
1. a kind of more control centres of power network in a few days generation schedule Security Checking data sharing method, it is characterised in that including following
Step：
(1) clearing agent's service is respectively provided with each control centre；
(2) each control centre carries out in a few days planning data preparation respectively, collects the data of this operation plan, and respective with it
Clearing agent's servicing communications push aforementioned data；
(3) after clearing agent's service receives data, numbering is indexed for the data received, and is stored to buffer entity text
In part；
(4) user terminal and required agency service are established after connection, and each user terminal sends data directory and numbered to required tune
Clearing agent's service request inquiry at degree center, obtain next sets of data after index number, number described in clearing agent's service
After acquisition, record the data directory accessed at that time and number for carrying out data acquisition next time, repeat aforementioned data and obtain
Process is taken, the acquisition until completing all required Various types of data in a few days planned；Realize that the more control centres of power network in a few days generate electricity meter
Draw Security Checking data sharing.
2. a kind of more control centres of power network according to claim 1 in a few days generation schedule Security Checking data sharing method,
It is characterized in that：The step (1) is specially：According to maximum concurrent access number N, wherein, N is more than or equal to 1, creates each
Control centre's data shares access service N part page cache entity files, and it is main agency service to mark one of them, remaining
For standby agency service.
3. a kind of more control centres of power network according to claim 2 in a few days generation schedule Security Checking data sharing method,
It is characterized in that：The step (3) is specially：
Master agent service is cached to the data received using additional mode, while is indexed numbering to them, then
Store in buffer entity file；
Master agent service does multiple backups for oneself and for agency service replicate data；If standby agency service fails, from addition
Standby agency service at synchronization master agent service historical data；If master agent service failure, make other for agency service into
Continue to service for new master agent service.
4. a kind of more control centres of power network according to claim 3 in a few days generation schedule Security Checking data sharing method,
It is characterized in that：All read-write operations are responsible in the master agent service, and standby agency service is only responsible for and master agent service synchronization
Data.
A kind of 5. in a few days generation schedule Security Checking data sharing side of the more control centres of power network according to claim 1 or 2
Method, it is characterised in that：The data of this described operation plan are pre- including the prediction of ultra-short term system loading, ultra-short term bus load
Survey, in a few days generation schedule data, in a few days tie line plan data, ad hoc inspection and repair planning data, in a few days stable cross section composition and its
Limit.
6. a kind of more control centres of power network according to claim 1 in a few days generation schedule Security Checking data sharing method,
It is characterized in that：The user terminal is each control centre or other user terminals based on Wide Area Network.
7. a kind of more control centres of power network according to claim 1 in a few days generation schedule Security Checking data sharing method,
It is characterized in that, further comprising the steps of：
(5) user terminal needs to start Security Checking analysis calculating according to calculating cycle；
(6) step (2) is entered, starting next cycle, in a few days planning data is shared.
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