CN108205732A - A kind of method of calibration of the new energy prediction data access based on file - Google Patents
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Abstract
The invention discloses a kind of methods of calibration of the new energy prediction data access based on file, belong to Power System and its Automation technical field.The present invention is according to incoming file name regular expression matching rule to access prediction data document classification screening, file availability is verified by the data moment accessed in correction data file generated moment and effective time limit and system, according to the integrality of detection file attribute status check file, correctness according to electric power system data markup language E language format specification validation incoming file content formats, compare the consistency of incoming file and devices in system model checking access data equipment model, the reasonability of access data is verified according to the value range of prediction data, so as to improve the reliability of access new-energy grid-connected control system data.The present invention improves the robustness and reliability of new-energy grid-connected real power control system.
Description
Technical field
The invention belongs to Power System and its Automation technical field more particularly to a kind of new energy predictions based on file
The method of calibration of data access.
Background technology
With the access of extensive new energy plant stand, uncertain increase of operation of power networks state reduces with predictability,
To how to ensure the space and time difference according to station new forms of energy resource of new-energy grid-connected intelligence control system, new forms of energy resource is utilized
Complementary characteristic for the prediction data of access, optimizes the optimal control that each new energy station is contributed, realizes generation of electricity by new energy most
Bigization optimizes, it is proposed that new challenge.In order to cope with the predictive information of the new energy plant stand newly accessed formulation, there are data mistakes
Phase, repetition, missing, it is inconsistent and unreasonable the problems such as, there is an urgent need to it is a kind of access data reliability method of calibration, be new energy
Validity, integrality, accuracy, consistency and the plausibility check of the prediction data of the grid-connected intelligence control system access in source provide
Technological means provides basis for estimation to the reliability of prediction data.
Invention content
The purpose of the present invention is：In view of the deficiencies of the prior art, a kind of new energy prediction data based on file is provided to connect
The method of calibration entered.This method exists for new-energy grid-connected intelligence control system from the new energy prediction data file of outer access
Available time, file integrality, form correctness, model consistency and the rational problem of numerical value, according to filename just
Then expression formula screening incoming file type, passes through what is accessed in correction data file generated moment and effective time limit and system
The data moment verifies file availability, and the integrality of file is verified according to file attribute, according to electric power system data markup language E
The correctness of language format specification validation file content form compares incoming file and devices in system model checking access data
The consistency of device model verifies the reasonability of access data according to the value range of prediction data.
The purpose of the present invention is being achieved through the following technical solutions, include the following steps：
1) data file in new energy prediction data interactive directory is retrieved, listed files information is obtained, enters step 2)；
2) file name in resolution file list carries out category filter according to regular expression rule to data file,
It enters step 3)；
3) it requires to carry out file according to its data generation moment according to the update cycle of all kinds of new energy prediction data
Screen selects, and determines the file to be accessed of all kinds of new energy prediction data, enters step 4)；
4) for each data file in the set of new energy prediction data file to be accessed, respectively according to its data
File attribute verifies its integrality, obtains the new energy prediction data file to be accessed by completeness check, enters step 5)；
5) read the content of new energy prediction data file to be accessed, successively the form correctness of verification data content,
The consistency of data equipment model and the numerical value reasonability of access data are accessed, it is pre- by the new energy to be accessed of above-mentioned verification
Measured data file is regarded to be imported, this flow terminates.
Above-mentioned technical proposal is further characterized by, and in the step 3), all kinds of new energy are determined by following steps
The file to be accessed of prediction data：
3-1) for the file f in each sort file listi(j), if the value being calculated according to formula (1) is 1
Think that this document is effective, think that this document is invalid if the value being calculated is 0, be deleted, and alarm prompt：
Wherein, V (fi(j)) access data file effective status is represented；fi(j) j-th of file in the i-th class data is represented,Represent file fi(j) the data generation moment；T represents system current time；TC(i)Represent the i-th class file it is effective when
Between range；N is the classification quantity of new energy prediction data；A (i) is to meet title canonical table in the i-th class new energy prediction data
Up to the number of files of formula matching rule；
V(fi(j)) there are two values, is worth when being 0 and represents file expiration, is worth when being 1 and represents that file is effective；It representsThe logical value of this expression formula, whenResult be less than 0 when,Equal to 1, i.e. V (fi(j)) value is 1,
WhenResult be not less than 0 when,Equal to 0, i.e. V (fi(j)) value
It is 0；
If 3-2) step 3-1) obtain every class new energy prediction data effective document have it is multiple, according to formula (2)
It determines the file to be accessed per class file, while deletes such remaining effective document：
Wherein, L (fi) represent the i-th class new energy prediction data effective document；fi(v) the i-th class new energy prediction number is represented
According to v-th that meets title regular expression matching rule and available time candidate effective document；Represent file fi
(v) the data generation moment；B (i) is to meet title regular expression matching rule and time in the i-th class new energy prediction data
The candidate effective document number of validity；
3-3) by step 3-2) data that have accessed in the data of valid data file generation moment and the system that obtain give birth to
Into being compared constantly, if the data generation moment of this document is more than the data generation moment for having accessed data file, refer to
The file to be accessed of fixed effective document class data where it otherwise it is assumed that this data file is out of date, deletes this document, and
Alarm prompt.
Above-mentioned technical proposal is further characterized by, in the step 4), if detecting that the i-th class new energy predicts number
According to the numerical value that is calculated according to formula (3) of file attribute of file to be accessed be 0, then it is assumed that it is complete that this document is in file
State, otherwise cycle detection this document attribute is until it is in file good working condition：
Wherein, R (i) represents the file status of the file to be accessed of the i-th class new energy prediction data；Tk(i) this article is represented
The change flag of the last modification time of part, Sk(i) change flag of this document occupied space size is represented；| | represent logical "or"
Operation；" V " represents set element inclusive-OR operation；C represents the total degree of monitoring file status variation；
Tk(i) there are two values, is worth and represents that the last modification time of this detection this document does not have with last time compared with when being 0
It changes, is worth and represents that the last modification time of this detection this document changed compared with last time for 1；
Sk(i) there are two values, is worth and represents that the occupied space size of this detection this document does not have with last time compared with when being 0
It changes, is worth and represents that the occupied space size of this detection this document changed compared with last time for 1；
There are two the values of R (i), is worth when being 0 and represents that file is complete, is worth and is being transmitted for 1 expression file.
Above-mentioned technical proposal is further characterized by, and is specifically comprised the steps of in the step 5)：
5-1) according to electric power system data markup language E language format specifications, obtained from the system statement part of data file
It takes character set type and versions of data and verifies its correctness；Mark whether matching verification according to data block start mark and end
The correctness of data block format；According to the school whether equal with the data column number in data row of the data column number in data block head
Test the correctness of data column data format in the block；According to number every in the access data block Column Properties verification data build of agreement
According to the correctness of column name；
5-2) by checking in new energy device name and new-energy grid-connected intelligence control system in file to be accessed
New energy device name whether unanimously come verify access data equipment model consistency, to new-energy grid-connected intelligence control system
In do not match or the new energy device name of repeated matching provides prompt message；
Each predicted value in incoming file 5-3) is treated according to effective value range of the device predicted value of each new energy
Reasonability is verified.
Compared with the prior art, beneficial effects of the present invention are embodied in：The present invention proposes a kind of verification new-energy grid-connected
The method of new energy prediction data reliability accessed in intelligence control system, this method are that may be present for externally access data
Available time, file integrality, form correctness, model consistency and the rational problem of numerical value provide technological means,
It ensure that the stable operation of new-energy grid-connected control system, improve the robustness and reliability of new-energy grid-connected control system.
Description of the drawings
Fig. 1 is the flow diagram of the embodiment of the present invention.
Specific embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment 1：
One embodiment of the present of invention discloses a kind of method of calibration of the new energy prediction data access based on file,
Implementation step is as shown in Figure 1.
Step 1 describes in Fig. 1, retrieves new energy prediction data file interaction catalogue, obtains listed files information.
Step 2 describes in Fig. 1, to the file name in the resolution file list from the file row that step 1 obtains, presses
Category filter is carried out to data file according to regular expression rule.
Step 3 describes in Fig. 1, and the number for meeting timeliness requirement is screened in the sort file list obtained from step 2
According to file, i.e., require to be filtered file according to its data generation moment according to the update cycle of all kinds of new energy prediction data
Screening, determines the file to be accessed of all kinds of new energy prediction data, specifically comprises the steps of：
3-1：For the file f in each sort file listi(j), if the value being calculated according to formula (1) is 1
Think that this document is effective, think that this document is invalid if the value being calculated is 0, be deleted, and alarm prompt：
Wherein, V (fi(j)) access data file effective status is represented；fi(j) j-th of file in the i-th class data is represented,Represent file fi(j) the data generation moment；T represents system current time；TC(i)Represent the i-th class file it is effective when
Between range；N is the classification quantity of new energy prediction data；A (i) is to meet title canonical table in the i-th class new energy prediction data
Up to the number of files of formula matching rule；
V(fi(j)) there are two values, is worth when being 0 and represents file expiration, is worth when being 1 and represents that file is effective；It representsThe logical value of this expression formula, whenResult be less than 0 when,Equal to 1, i.e. V (fi(j)) value is 1,
WhenResult be not less than 0 when,Equal to 0, i.e. V (fi(j)) value
It is 0；
3-2：If step 3-1 obtain every class new energy prediction data effective document have it is multiple, according to formula (2) really
The fixed file to be accessed per class file, while delete such remaining effective document：
Wherein, L (fi) represent the i-th class new energy prediction data effective document；fi(v) the i-th class new energy prediction number is represented
According to v-th that meets title regular expression matching rule and available time candidate effective document；Represent file fi
(v) the data generation moment；B (i) is to meet title regular expression matching rule and time in the i-th class new energy prediction data
The candidate effective document number of validity；
3-3：The data of valid data file that step 3-2 is obtained are generated to the data accessed in moment and system to generate
Moment is compared, if the data generation moment of this document is more than the data generation moment for having accessed data file, specifies
The file to be accessed of effective document class data where it otherwise it is assumed that this data file is out of date, deletes this document, and accuse
Alert prompting.
Step 4 describes in Fig. 1, for each data text in the set of new energy prediction data file to be accessed
Part verifies its integrality according to its data file attribute respectively, obtains and predicts number by the new energy to be accessed of completeness check
According to file, 5 are entered step.If specifically, detect the file attribute of the file to be accessed of the i-th class new energy prediction data
It is 0 according to the numerical value that formula (3) is calculated, then it is assumed that this document is in file good working condition, otherwise cycle detection this document
Attribute is in file good working condition until it：
Wherein, R (i) represents the file status of the file to be accessed of the i-th class new energy prediction data；Tk(i) this article is represented
The change flag of the last modification time of part, Sk(i) change flag of this document occupied space size is represented；| | represent logical "or"
Operation；" V " represents set element inclusive-OR operation；C represents the total degree of monitoring file status variation；
Tk(i) there are two values, is worth and represents that the last modification time of this detection this document does not have with last time compared with when being 0
It changes, is worth and represents that the last modification time of this detection this document changed compared with last time for 1；
Sk(i) there are two values, is worth and represents that the occupied space size of this detection this document does not have with last time compared with when being 0
It changes, is worth and represents that the occupied space size of this detection this document changed compared with last time for 1；
There are two the values of R (i), is worth when being 0 and represents that file is complete, is worth and is being transmitted for 1 expression file.
Step 5 describes in Fig. 1, reads the content of new energy prediction data file to be accessed, successively verification data
The form correctness of content, the consistency for accessing data equipment model and the numerical value reasonability for accessing data, pass through above-mentioned verification
New energy prediction data file to be accessed be regarded to be imported.Specifically include following steps：
5-1：According to electric power system data markup language E language format specifications, obtained from the system statement part of data file
It takes character set type and versions of data and verifies its correctness；Mark whether matching verification according to data block start mark and end
The correctness of data block format；According to the school whether equal with the data column number in data row of the data column number in data block head
Test the correctness of data column data format in the block；According to number every in the access data block Column Properties verification data build of agreement
According to the correctness of column name；
5-2：By checking in new energy device name and new-energy grid-connected intelligence control system in file to be accessed
New energy device name whether unanimously come verify access data equipment model consistency, to new-energy grid-connected intelligence control system
In do not match or the new energy device name of repeated matching provides prompt message；
5-3：Each predicted value in incoming file is treated according to effective value range of the device predicted value of each new energy
Reasonability is verified.
Although the present invention has been described by way of example and in terms of the preferred embodiments, embodiment is not for limiting the present invention's.Not
It is detached from the spirit and scope of the present invention, any equivalence changes done or retouching, also belongs to the protection domain of the present invention.Cause
This protection scope of the present invention should be using the content that claims hereof is defined as standard.
Claims (4)
1. a kind of method of calibration of the new energy prediction data access based on file, which is characterized in that include the following steps：
1) data file in new energy prediction data interactive directory is retrieved, listed files information is obtained, enters step 2)；
2) file name in resolution file list carries out category filter to data file according to regular expression rule, enters
Step 3)；
3) it is required to be filtered file sieve according to its data generation moment according to the update cycle of all kinds of new energy prediction data
Choosing, determines the file to be accessed of all kinds of new energy prediction data, enters step 4)；
4) for each data file in the set of new energy prediction data file to be accessed, respectively according to its data file
Attribute verifies its integrality, obtains the new energy prediction data file to be accessed by completeness check, enters step 5)；
5) content of new energy prediction data file to be accessed is read, successively the form correctness of verification data content, access
The consistency of data equipment model and the numerical value reasonability of access data, number is predicted by the new energy to be accessed of above-mentioned verification
It is regarded to be imported according to file, this flow terminates.
2. the method for calibration of the new energy prediction data access according to claim 1 based on file, which is characterized in that institute
It states in step 3), the file to be accessed of all kinds of new energy prediction data is determined by following steps：
3-1) for the file f in each sort file listi(j), think this if the value being calculated according to formula (1) is 1
File is effective, thinks that this document is invalid if the value being calculated is 0, is deleted, and alarm prompt：
Wherein, V (fi(j)) access data file effective status is represented；fi(j) j-th of file in the i-th class data is represented,
Represent file fi(j) the data generation moment；T represents system current time；TC(i)Represent the effective time range of the i-th class file；
N is the classification quantity of new energy prediction data；A (i) is to meet title regular expression matching in the i-th class new energy prediction data
The number of files of rule；
V(fi(j)) there are two values, is worth when being 0 and represents file expiration, is worth when being 1 and represents that file is effective；It representsThe logical value of this expression formula, whenResult be less than 0 when,Equal to 1, i.e. V (fi(j)) value is 1,
WhenResult be not less than 0 when,Equal to 0, i.e. V (fi(j)) value
It is 0；
If 3-2) step 3-1) every class new energy prediction data effective document for obtaining have it is multiple, it is determining according to formula (2)
File to be accessed per class file, while delete such remaining effective document：
Wherein, L (fi) represent the i-th class new energy prediction data effective document；fi(v) represent that the i-th class new energy prediction data expires
V-th of candidate effective document of sufficient title regular expression matching rule and available time；Represent file fi(v)
Data generate the moment；B (i) is to meet title regular expression matching rule and the time is effective in the i-th class new energy prediction data
The candidate effective document number of property；
3-3) by step 3-2) data that have accessed in the data of valid data file generation moment and the system that obtain are when generating
Quarter is compared, if the data generation moment of this document is more than the data generation moment for having accessed data file, specifying should
The file to be accessed of effective document class data where it otherwise it is assumed that this data file is out of date, deletes this document, and alert
Prompting.
3. the method for calibration of the new energy prediction data access according to claim 1 based on file, which is characterized in that institute
It states in step 4), if detecting that the file attribute of the file to be accessed of the i-th class new energy prediction data is calculated according to formula (3)
Obtained numerical value is 0, then it is assumed that this document is in file good working condition, and otherwise cycle detection this document attribute is until it is in text
Part good working condition：
Wherein, R (i) represents the file status of the file to be accessed of the i-th class new energy prediction data；Tk(i) represent that this document is last
The change flag of modification time, Sk(i) change flag of this document occupied space size is represented；| | represent logical "or" operation；
" ∨ " represents set element inclusive-OR operation；C represents the total degree of monitoring file status variation；
Tk(i) there are two values, is worth and represents that last modification time of this detection this document was not sent out compared with last time when being 0
Changing is worth and represents that the last modification time of this detection this document changed compared with last time for 1；
Sk(i) there are two values, is worth and represents that occupied space size of this detection this document was not sent out compared with last time when being 0
Changing is worth and represents that the occupied space size of this detection this document changed compared with last time for 1；
There are two the values of R (i), is worth when being 0 and represents that file is complete, is worth and is being transmitted for 1 expression file.
4. the method for calibration of the new energy prediction data access according to claim 1 based on file, which is characterized in that institute
It states in step 5) and specifically comprises the steps of：
5-1) according to electric power system data markup language E language format specifications, word is obtained from the system statement part of data file
Symbol collection type and versions of data simultaneously verify its correctness；Mark whether to match verification data according to data block start mark and end
The correctness of block format；According to the check number whether equal with the data column number in data row of the data column number in data block head
According to the correctness of column data format in the block；According to data row each in the access data block Column Properties verification data build of agreement
The correctness of title；
5-2) by checking the new energy in new energy device name and new-energy grid-connected intelligence control system in file to be accessed
Source device title whether unanimously come verify access data equipment model consistency, in new-energy grid-connected intelligence control system not
The new energy device name of matching or repeated matching provides prompt message；
The reasonable of each predicted value in incoming file 5-3) is treated according to effective value range of the device predicted value of each new energy
Property is verified.
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Application publication date: 20180626 |