CN102361350A - Method for monitoring power grid equipment on line - Google Patents
Method for monitoring power grid equipment on line Download PDFInfo
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- CN102361350A CN102361350A CN2011103112325A CN201110311232A CN102361350A CN 102361350 A CN102361350 A CN 102361350A CN 2011103112325 A CN2011103112325 A CN 2011103112325A CN 201110311232 A CN201110311232 A CN 201110311232A CN 102361350 A CN102361350 A CN 102361350A
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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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
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/16—Electric power substations
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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
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/18—Systems supporting electrical power generation, transmission or distribution using switches, relays or circuit breakers, e.g. intelligent electronic devices [IED]
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Abstract
The invention relates to a method for monitoring power grid equipment on line. The method comprises the following steps of: monitoring real-time monitoring data of the power grid equipment; generating a corresponding intelligent electronic device (IED) configuration description (ICD) model file according to the real-time monitoring data and a set ICD modeling mode; transmitting the model file to an on-line monitoring server; generating a substation configuration description (SCD) model file from the ICD model file according to a set SCD file definition mode and a corresponding SCD version description mode; and then transmitting the SCD model file to a remote center. The ICD modeling mode comprises the following steps of: classifying the real-time monitoring data according to a set monitoring data type in a mode of one logic device (LD) corresponding to multiple LDs; and generating the ICD model file from the real-time monitoring data according to the corresponding data definition mode, a corresponding data quality setting mode and a coding mode and the corresponding file definition mode. By the method, the state of the power grid can be evaluated accurately, so that operating stability and reliability of the power grid are improved.
Description
Technical field
The present invention relates to the electric power network technique field, particularly a kind of grid equipment on-line monitoring method.
Background technology
The safety of equipment is the basis of power grid security, reliable, stable operation, to equipment carry out effectively, monitoring and diagnosis accurately, be to improve that power supply can be considered and the important channel of operation of power networks intelligent level.Along with the continuous expansion of scale of power, electrical network is kept watch on and the workload of operation maintenance also increases day by day, and the technology that long-range working condition to transforming plant primary equipment is monitored in real time and analyzed is also universal day by day.
The real-time Monitoring Data of complete real equipment is the basis of valuator device state; In the scheme of at present grid equipment being monitored in real time; In real time Monitoring Data is by the on-Line Monitor Device collection, and directly with the data that monitor through delivering to remote center on transformer station integrated treatment unit or the on-line monitoring server.This real-time monitoring mode; Because the difference of grid equipment type, corresponding on-line monitoring equipment is also of a great variety, to the real time data of dissimilar grid equipment monitorings; For example device coding, monitoring project, monitoring periods, data type, acquisition time, write cycle or the like; Concerning the on-line monitoring server,, thereby the data that the on-line monitoring equipment of variant kind is transmitted are come that grid equipment is carried out comprehensive judgement brought difficulty because the on-line monitoring device category is various; Make to have influence on accuracy, and and then the stability and the fail safe of operation of power networks exerted an influence the state evaluation of grid equipment.
Summary of the invention
To the problem that exists in the above-mentioned prior art, the object of the present invention is to provide a kind of grid equipment on-line monitoring method, it can realize the accuracy to the grid equipment state evaluation, and then improves the stability and the reliability of operation of power networks.
For achieving the above object, the present invention adopts following technical scheme:
A kind of grid equipment on-line monitoring method comprises step:
Monitor the real-time Monitoring Data of grid equipment in real time;
Generate corresponding model file, and this model file is transferred to the on-line monitoring server according to said real-time Monitoring Data, setting modeling pattern;
Said setting modeling pattern comprises the ICD modeling pattern; The model file of said correspondence is the ICD model file; Said ICD modeling pattern comprises: the pattern that adopts the corresponding a plurality of LN of a LD; Monitoring Data type according to setting is classified to said real-time Monitoring Data, and will said real-time Monitoring Data generation ICD model file according to the numerical nomenclature mode of correspondence, corresponding data quality setting means and coded system, corresponding file naming method;
The Monitoring Data type of said setting comprises: monitoring, circuit breaker monitoring, lightning arrester monitoring, environmental monitoring, insulating gas monitoring, iknsulating liquid monitoring are put in transformer monitoring, insulating monitoring, office.
According to the invention described above scheme; It is after monitoring real-time Monitoring Data; After generating corresponding model file, the real-time Monitoring Data that will obtain through the modeling pattern of setting is transferred to the on-line monitoring server, for the real-time Monitoring Data of different types of on-line monitoring monitoring of equipment, and can be according to identical mode generation model file; Thereby; For the on-line monitoring server, be the state of grid equipment to be passed judgment on according to meeting same specification data, the different otherness influences that brought of the data type of having eliminated dissimilar on-line monitoring equipment; Thereby can realize accuracy, and then improve the stability and the reliability of operation of power networks the electric network state evaluation.
Description of drawings
Fig. 1 is the schematic flow sheet of grid equipment on-line monitoring method embodiment one of the present invention;
Fig. 2 is the schematic flow sheet of grid equipment on-line monitoring method embodiment two of the present invention.
Embodiment
Two preferred embodiments below in conjunction with wherein concrete are set forth the present invention program in detail, in these two preferred embodiments, are to be that example describes to generate the ICD model file according to real-time Monitoring Data.Wherein, in embodiment one, the process that is transferred to the on-line monitoring server with the real-time Monitoring Data that will monitor is that example describes, and in embodiment two, is to combine online monitor server to describe to the process of remote center transfer of data.
Embodiment one
Referring to shown in Figure 1, be the schematic flow sheet of grid equipment on-line monitoring method embodiment one of the present invention, it comprises step:
Step S101: monitor the real-time Monitoring Data of grid equipment in real time, get into step S102;
Step S102: generate corresponding ICD model file, and this model file is transferred to the on-line monitoring server according to said real-time Monitoring Data, setting modeling pattern.
In the present invention program's a concrete example; The model file that generates according to the invention described above scheme is ICD (description of an IEC Configuration Description smart electronics electronic configurations) file; Therefore; In the explanation of following specific embodiment; Above-mentioned setting modeling pattern is referred to as the ICD modeling pattern, and the model file of generation is called the ICD model file, in this ICD modeling pattern; Adopt the pattern of the corresponding a plurality of LN of a LD (Logical Device logical device) (Logical Node logical node), the numerical nomenclature mode of the Monitoring Data type that foundation is set, correspondence, corresponding data quality standard and coded system, corresponding file naming method are with said real-time Monitoring Data generation model file.
The ICD modeling pattern is when carrying out modeling; Adopt the pattern of " the many LN of single LD-"; Be the corresponding LN instance of each logical device LD palpus, for example, be provided with a plurality of on-line monitoring equipment in the transformer station; The data of different measured object are answered newly-built LN instance among the same IED (Intelligent Electronic Device intelligent electronic device), comprise not homophase monitoring of switch.
In the ICD modeling pattern, the real-time Monitoring Data that monitors is divided into 8 big types, be respectively: monitoring, circuit breaker monitoring, lightning arrester monitoring, environmental monitoring, insulating gas monitoring, iknsulating liquid monitoring are put in transformer monitoring, insulating monitoring, office.
According to above-mentioned 8 types of different real-time Monitoring Data types, for all kinds of different power equipments, can set corresponding numerical nomenclature mode respectively, information such as the data name in the regulation ICD model, CDC (Common Data Class shared data class) description.For example: in the iknsulating liquid monitoring, the data H2 by name of regulation hydrogen measurement amount, CDC is MV; When data are relevant with separate or main transformer voltage side, called after " the data object name [_ separate] [_ voltage side] ", what do not need mark can directly use the data object name, and identical data name uses different DO (Data Object data object) instance.
Following foliation has gone out the example of some of them data name name: certain transformer insulation oil density of hydrogen called after " H2 "; Certain switch A phase discharge amplitude called after " DschQ_A "; Certain transformer high-voltage side B phase sleeve pipe is situated between and decreases called after " LosFact_B_H ", and high, medium and low side uses H, M, L to represent respectively.
When the real-time Monitoring Data that will monitor is uploaded; The quality position that shows the real-time Monitoring Data of being monitored simultaneously; Thereby whether available the on-line monitoring server can be directly confirm the size of these data or role according to this quality position, and take the proper process measure in view of the above.In this ICD modeling pattern, data set is made up of FCD (Functional Constrained Data functional restraint data), can reach client with the quality position information that guarantees data.Setting means to the quality position can comprise:
Under states such as the stoppage in transit of primary equipment equipment, stand-by heat, data are unreasonable, simultaneously hardware-software does not detect when unusual monitoring, and the quality position are labeled as " suspicious, inaccurate ";
Do not refresh for a long time in data, not more under the news, the quality position be labeled as " suspicious, legacy data ";
Surpass under the situation of corresponding effective range in real-time Monitoring Data, the quality position is labeled as " invalid, the territory overflows ";
When under the situation that equipment is not installed or do not inserted, measuring real-time Monitoring Data, the quality position is labeled as " invalid, replacement ";
Under the situation that sensor communication interrupts, the quality position is labeled as engineering noise, it is identical with previous monitoring result that numerical value can keep, and do not do variation;
Be at grid equipment under the situation of debugging mode, the quality position be designated as " invalid, test ".
In addition; Concerning each LN; Can increase a URI (Uniform Resource Identifier unified resource identifier) attribute and a DEVID (on-line monitoring encoding D evice Identifier) attribute, thus can be according to the primary equipment interval of unique definite on-line monitoring equipment of coding and monitoring thereof.Wherein, the POF of URI indication equipment coding, the POF of description transforming plant primary operational outfit.The rule of the coding of the POF of equipment can adopt " classification of south electric network facility information and coding " (Q/CSG11801.8.1-2008) 25 factory's station POF coding rules of middle regulation.DEVID representes the on-line monitoring coding, describes 21 codings of on-line monitoring physical equipment POF, and the DEVID coding of each on-line monitoring equipment is unique, by remote center's unified issue before engineering construction.In addition, can also expansion name space in SCL (the Substation Configuration Description Language substation configuration description language) file is unified for ext, the element of expanding in the SCL file is set at: uri and devid.
The LN of concrete increase URI and DEVID attribute is exemplified as:
LN desc=" female 100 switching gas that join of 110kV are kept watch on " inst=" 1 " lnClass=" SIMG " lnType=" SIMG " ext:uri=" 0306B120001250EAG10BAC002 " ext:devid=" 0312B 12000042A3840001 "
The example shown of the said equipment coding is: the rich gulf station 110kV 1112 in the brilliant controlled area of Foshan Power Supply Bureau, Guangdong Power Grid Corporation is female 100 switches that join of 110kV at interval
In above-mentioned ICD modeling pattern, can also set the naming method of the ICD model file that generates, thereby can distinguish according to the file name of the ICD model file that generates.In a concrete example, the coding that the ICD model file can on-line monitoring equipment is named, and naming method can be: coding _ on-line monitoring device class coding [the & on-line monitoring device class coding] _ coding _ sequence number .icd of producer of transformer station.Wherein, transformer station coding is unique coding of describing transformer station's title, promptly " classification of south electric network equipment speech breath and coding " (Q/CSG11801.8.1-2008) in preceding 13 of factory's station POF coding of regulation.In order to guarantee the uniqueness of transformer station's coding, this coding can be by the unified issue of remote center.On-line monitoring device class coding is 4 codings describing the affiliated type of online monitoring equipment, and this coding is as the criterion with remote center's issue.Producer's coding is 3 codings of the online monitoring equipment of description producer title, and this coding is by the unified issue of remote center.Sequence number is 2 codings of 01～99, and is self-editing according to the order of sequence when the engineering construction by on-line monitoring equipment producer.
The name example of a concrete ICD model file can be expressed as: 0301B15000003_A301 [&A302] _ 001_01.icd.
Embodiment two
Referring to shown in Figure 2; It is the schematic flow sheet of grid equipment on-line monitoring method embodiment two of the present invention; In the present embodiment; Mainly be with the difference of the foregoing description one, also comprised the modeling process when the on-line monitoring server sends to remote center with the ICD model file in the present embodiment.
As shown in Figure 2, the method in the present embodiment comprises step:
Step S201: monitor the real-time Monitoring Data of grid equipment in real time, get into step S202;
Step S202: generate corresponding ICD model file according to said real-time Monitoring Data, setting ICD modeling pattern, and this ICD model file is transferred to the on-line monitoring server, get into step S203;
Step S203: the on-line monitoring server is transferred to remote center according to the SCD file designation mode of setting, corresponding SCD Description of mode after said ICD model file is generated as the SCD model file
ICD model file according to the ICD modeling pattern in the foregoing description one generates can be uploaded to the on-line monitoring server through the mode of MMS (Manufacturing Message Specification makes message specification (ISO9506)).After the on-line monitoring server receives these ICD model files, need these ICD model files be handled and be transferred to remote center after generating corresponding file, handle for the staff; In the present invention program's a concrete example, the file that generates according to the ICD model file is the SCD file, therefore; In following description of the present invention; To can be referred to as the SCD modeling pattern according to the mode of ICD model file generation SCD file, the SCD file of generation is called the SCD model file, in this SCD modeling pattern; Adopt the pattern of the corresponding a plurality of LN of a plurality of LD, every corresponding LN of on-line monitoring equipment.
For the ease of to the unified management of the SCD model file that generates, facilitate for follow-up Performance Evaluation; Can set the naming method of SCD model file, for example can the naming method of SCD model file be set at: the Netherlands factory name of station _ coding _ sequence number .scd of producer.Wherein, area Netherlands Chinese by name or phonetic, for example: " Guangzhou ", " guangzhou "; Factory's name of station is the Chinese or the phonetic at corresponding factory station, for example: " Guangnan ", " guangnan "; Producer is encoded to 001～999 three bit digital, and is self-editing according to the order of sequence when the engineering construction by on-line monitoring equipment producer, for the SCD model file that the integrated treatment unit generates, should use integrated treatment unit producer coding rather than on-Line Monitor Device producer coding.The example shown of a concrete SCD file designation is: Guangzhou Bi Shan _ 201001.scd or guangzhoubishan_201_001.scd.
For the situation that comprises a plurality of transformer stations in an area on-Line Monitor Device in the SCD model file; Can carry out " factory's name of station " name with wherein typical factory station or generality name, insert high eight SCD of transformer station such as the Xian Gang of office that want in Zhaoqing such as: certain producer's one station server and can name: Zhaoqing is high wants _ 003_001.scd or zhaoqinggaoyao_003_001.scd.
For the situation that comprises a plurality of transformer stations in a plurality of areas on-Line Monitor Device in the SCD model file; " Netherlands factory name of station " can use the Chinese that can express implication or phonetic to describe that (character length is less than setting byte number; 16 bytes for example) replace, for example: middle branch _ 105_001.scd or zhongfen_105_001.scd.
The SCD model file that generates can be through FTP (File Transfer Protocol FTP) or MMS service transmission mode by giving remote center on the on-line monitoring server; The on-line monitoring server taken place to restart or the situation of communication disruption under, can send instruction to this on-line monitoring server by remote center and read the SCD model file from the on-line monitoring server.In the SCD model file, can increase Description of, the version of SCD model file changes with the SCD model file, and version property value string length (comprise end-of-string character ' 0 ') can not be greater than 8 bytes.A concrete example shown is:
<Header?id＝″SCL″nameStructure＝”IEDName”version＝″1.0″...>
For record ripple files such as the oscillogram that real-time monitors, collection of illustrative plates, because the particularity of its data type can be done certain special setting.
At first, for record ripple file, MMS and FTP (preceding text occurred, (File Transfer Protocol FTP)) can be provided simultaneously two kinds of file transfer services.Multichannel record ripple file is merged on the file and send, and each record ripple file will show the sampling characteristic.The collection of illustrative plates form can be followed " Guangdong Power Grid company power equipment remote monitoring diagnostic center on-Line Monitor Device spectrum data general format ".Record ripple file can be stored under the COMTRADE catalogue of integrated treatment unit or on-line monitoring server, does not give remote center on initiatively, but after the instruction that receives remote center, on demand file is read according to this instruction.After record ripple file is uploaded to remote monitoring center, carry out unified storage by data platform, inquiry and displaying.
Can use RDRE (Disturbance Recorder disturbance record (IEC61850 logical node)) logical node to realize the correlation function of record ripple.In the RDRE logical node, increase a DO:WaveFileSTime, represent the remote measurement amount (second level) of up-to-date record ripple file rise time.After having new record ripple file to generate, use this remote measurement amount that client is pointed out.Because the remote measurement amount remains, and the problem like the inappropriate involution of remote signalling amount can not occur, therefore can guarantee accuracy and stability to Client-Prompt.
In addition, can do unified regulation, record ripple filename reducible being decided to be: the coding collection of illustrative plates type coding date created time .dat of on-line monitoring coding producer to record ripple file designation.Wherein the on-line monitoring coding is consistent with the devid attribute description.On-line monitoring equipment producer coding is made up of 3 bit digital, and the collection of illustrative plates type coding is made up of 2 bit digital, all has uniqueness and is provided by Guangdong DianKeYuan unification.The date created time format is " YYYYMMDDhhmmss ", and wherein YYYY representes 4 time (as 2010), and MM representes 2 month (01-12); DD representes 2 date (01-31); Hh representes 2 hour (00-23); Mm representes 2 minute (00-59); Ss representes 2 second number (00-59).A concrete record ripple filename example can be expressed as: 0312B12000042A3840001_001_01_20110101120000.dat, if producer's private data can be stored in same file name, suffix is in the file of .cfg.
In addition; In order to guarantee the efficient of file storage, processing, can to the number of listed files, and the size of file limit, for example; The upper limit of single assembly listed files number can be set at 60; Merge the system that send for many devices, can confirm the upper limit according to the product of device number, the single file size upper limit can be set at 500k.Listed files rolls according to the new and old order of document time and refreshes.File send on can be after compression, and compressed format can be general zip form, and the suffix name of compression back file changes .zip into.
On-Line Monitor Device can use IEC61850 stipulations and on-line monitoring server to carry out communication, and the ICD model file that generates is transferred to the on-line monitoring server.Transfer of data between on-line monitoring server and the remote center can adopt the IEC61850 stipulations equally.On-line monitoring equipment generates corresponding ICD model file sending the on-line monitoring server on the MMS mode according to the present invention program, the SCD model file that the on-line monitoring server generates according to the present invention program can FTP or the MMS mode on deliver to remote center.
Above-described embodiment of the present invention only is the detailed elaboration to preferred embodiments of the present invention, does not constitute the qualification to protection range of the present invention.Any modification of within spirit of the present invention and principle, being done, be equal to replacement and improvement etc., all should be included within the claim protection range of the present invention.
Claims (6)
1. a grid equipment on-line monitoring method is characterized in that, comprises step:
Monitor the real-time Monitoring Data of grid equipment in real time;
Generate corresponding model file, and this model file is transferred to the on-line monitoring server according to said real-time Monitoring Data, setting modeling pattern;
Said setting modeling pattern comprises the ICD modeling pattern; The model file of said correspondence is the ICD model file; Said ICD modeling pattern comprises: the pattern that adopts the corresponding a plurality of LN of a LD; Monitoring Data type according to setting is classified to said real-time Monitoring Data, and will said real-time Monitoring Data generation ICD model file according to the numerical nomenclature mode of correspondence, corresponding data quality setting means and coded system, corresponding file naming method;
The Monitoring Data type of said setting comprises: monitoring, circuit breaker monitoring, lightning arrester monitoring, environmental monitoring, insulating gas monitoring, iknsulating liquid monitoring are put in transformer monitoring, insulating monitoring, office.
2. grid equipment on-line monitoring method according to claim 1 is characterized in that, the data quality setting means of said correspondence comprises:
Stop transport at primary equipment, hot stand-by duty, do not occur when unusual monitoring the unreasonable and hardware-software of data, be suspicious, inaccurate with the quality symbol of data;
Monitoring data when not upgrading for a long time, is suspicious, legacy data with the quality symbol of data;
When monitoring the measuring range that data surpass to set, with the quality symbol of data be invalid, surmount the territory;
When equipment is not installed or do not insert, with the quality symbol of data be invalid, replace;
When the sensor communication break-make, be invalid with the quality symbol of data;
When equipment is in debugging mode, be invalid, test with the quality symbol of data.
3. grid equipment on-line monitoring method according to claim 1; It is characterized in that said coded system comprises: the corresponding unified resource identifiers, URIs attribute of each LN and a DEVID attribute, the POF coding of said URI indication equipment; The POF of an operational outfit is described; DEVID representes the on-line monitoring coding, describes 21 codings of on-line monitoring physical equipment POF, and the DEVID coding of each on-line monitoring equipment is unique.
4. according to any described grid equipment on-line monitoring method of claim 1 to 3; It is characterized in that, also comprise step: be transferred to remote center after said ICD model file is generated as the SCD model file according to the SCD file designation mode of setting, corresponding SCD Description of mode.
5. grid equipment on-line monitoring method according to claim 4 is characterized in that, the SCD file designation mode of said setting with file designation is: the Netherlands factory name of station _ coding _ sequence number .scd of producer.
6. according to the described grid equipment on-line monitoring of claim 1 to 5 method, it is characterized in that, when said real-time Monitoring Data comprises record ripple file, multichannel record ripple file is merged into a file, through MMS or upwards transmission of FTP.
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