CN103647805A - Method for accessing data to IEC61850 fault recording master station from converter station fault recording system - Google Patents
Method for accessing data to IEC61850 fault recording master station from converter station fault recording system Download PDFInfo
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- CN103647805A CN103647805A CN201310603635.6A CN201310603635A CN103647805A CN 103647805 A CN103647805 A CN 103647805A CN 201310603635 A CN201310603635 A CN 201310603635A CN 103647805 A CN103647805 A CN 103647805A
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Abstract
The invention relates to a method for accessing data to an IEC61850 fault recording master station from a converter station recording system. The method is characterized by comprising the steps that fault recording data areas of a professional fault recording device and all control and protection devices in a converter station are monitored by adopting a network directory mapping mode based on virtual modeling technologies, the professional fault recording device and all of the direct current transmission control and protection devices with a built-in fault recording function in the converter station are modeled into intelligent fault recording logic devices (LDs) conforming to IEC61850 standards, an intelligent gateway detects file generation of the fault recording data areas of all of the devices in real time and is responsible for real-time efficient communication with a fault recording master station system adopting the IEC61850 standards in a dispatching center, thereby ensuring the power grid dispatching center to acquire operational analysis data of key operations, abnormal situations and the like in the direct current transmission converter station timely and rapidly.
Description
Technical field
The present invention relates to a kind of current conversion station fault recording system of the IEC61850 of employing standard to the data cut-in method of failure wave-recording main station system.
Background technology
The control and protection system of DC transmission engineering is realized the control and protection of direct current transportation all devices, comprising: utmost point control, the control (alternating-current field/DC fields) of standing, DC system protection, converter transformer control protection, the protection of AC/DC FILTER TO CONTROL, converter cooling system are controlled protection, station power use system control protection etc.The control and protection device of different manufacturers adopts general or special purpose senior controller to realize, although at present domestic and international producer has has researched and developed or has claimed the research and development of digital intelligent current conversion station, but put into operation at present and the control and protection device in the DC transmission engineering of founding a capital is not also the intelligent IED with reference to IEC61850, and the extreme importance due to DC transmission engineering, to the strict demand of reliability and the disappearance of the current international and domestic standard of digital intelligent current conversion station and the shortage of correlative study, traditional direct current transportation control and protection system also will be applied as major technique in Practical Project over a period to come.
Yet, the transformation of the electric power networks communication pattern causing along with increasing of the popularization of IEC61850, digital intelligent transformer station etc., in control centres at different levels, many real time business systems are progressively being replaced by the application system that meets IEC61850 standard; And the relevant substation system access of traditional DC converter station faces huge standard and technological disparity while adopting the main station system of IEC61850 standard.
As closed-loop control system; the control and protection device of current conversion station for control precision, control sequential etc. require high; can not there is a bit mistake; so outside the fault wave recording device of current conversion station processing configuration specialty; various control and protection devices inside is all built-in with failure wave-recording functional module, so that execution and the response process of control and protection system under analysis of key operation or abnormal conditions.Control centres at different levels, for guaranteeing the safe and stable operation of DC transmission engineering, need real-time collecting to analyze all fault recorder datas in current conversion station; Traditional recorder data retransmission technique is because the reasons such as failure wave-recording main station system that real-time is poor, communication efficiency is lower and cannot access IEC61850 standard can not continue application.
Summary of the invention
The object of this invention is to provide a kind of current conversion station fault recording system to the data cut-in method of IEC61850 failure wave-recording main website, to solve the existing fault recording system of current conversion station, cannot access the problem of IEC61850 failure wave-recording main website.
For achieving the above object, current conversion station fault recording system of the present invention comprises the steps: to the data cut-in method of IEC61850 failure wave-recording main website
(1) fault recording system of the control of the fault wave recording device in current conversion station and all built-in failure wave-recording functional modules and protective device formation is modeled as to a failure wave-recording intelligence IED object, and under failure wave-recording intelligence IED object, different failure wave-recording modules is modeled as respectively to failure wave-recording logical device LD;
(2) the recorder data catalogue of the control of fault wave recording device and all built-in failure wave-recording functional modules and protective device is shone upon under the monitoring catalogue that focuses on intelligent gateway by network directory;
(3) intelligent gateway adopts the generation of file system call interception and two kinds of mode detecting real-time failure wave-recording files of periodic file examination, and the processing logic of the corresponding virtual faults of Real Time Drive record ripple logical device LD and automatically trigger IEC61850 transfer of data, complete and remote I EC61850 failure wave-recording main station system between real time communication.
Described failure wave-recording logical device LD at least comprises that logical node zero LLN0, physical unit infologic node LPHD and disturbance record logical node RDRE.
In described step (3), the mapping of Adoption Network catalogue and file redirection mode record and access primary fault recorded wave file.
The following service model of failure wave-recording intelligence IED object support in described step (1): association, server model, data set, report and file service.
Also comprise that the file that step (4) intelligent gateway successively records all monitoring subdirectories detected time range, only process newly-generated recorder data file.
Also comprise step (5) intelligent gateway to each logic record wave device only retain nearest moment specified quantity redirection file.
By the time period descriptor of additional prescribed form in IEC61850 file service interface parameters, and the file service Interface realization of corresponding modify IEC61850, realize recorder data and inquire about on a time period and read.
Described prescribed form is before pathname, to increase " time started ", " deadline ", and separates with '/' symbol, and between " time started " and " deadline ", employing " ^ " symbol is connected.
Current conversion station fault recording system of the present invention is to the data cut-in method of IEC61850 failure wave-recording main website, based on virtual modeling technique, the fault recorder data district of professional fault wave recording device and all control and protective device in Adoption Network catalogue mapping mode monitoring current conversion station, the direct current transportation control of the professional fault wave recording device in current conversion station and all built-in failure wave-recording functions and protective device are modeled as to the intelligent trouble record ripple logical device LD that meets IEC61850 standard, the generation of the fault recorder data district file of all devices of intelligent gateway detecting real-time, and be responsible for adopting the real-time high-efficiency of the failure wave-recording main station system of IEC61850 standard to communicate by letter with control centre, guarantee that grid dispatching center can obtain rapidly the relevant operating analysis data such as key operation and unusual condition in direct-current transmission converter station in time.File access interface service definition and realization by expansion IEC61850 are inquired about on a time period and extract with support recorded wave file.
Accompanying drawing explanation
Fig. 1 is the network mapping mode networking monitoring schematic diagram of embodiment.
Embodiment
Current conversion station fault recording system utilizes virtual modeling technique to the data cut-in method of IEC61850 failure wave-recording main website, the failure wave-recording logical device LD(Logical Device that is intelligent gateway inside by the built-in failure wave-recording module modeling of the professional fault wave recording device in current conversion station and all control and protective device), file Network Based is shared, the unified centralized management of the mapping of Adoption Network catalogue and file redirection mode, detecting real-time, file service interface definition and realization by expansion IEC61850 are inquired about on a time period and extract with support recorded wave file, the efficient communication of IEC61850 failure wave-recording main station system in realization and control centre.
Network directory mapping: the network shared files of different main frames folder is mapped to local directory.
File redirection: intelligent gateway when detecting recorder data file, not directly by quantity and huge recorded wave file copy to this locality, but create corresponding redirection file according to unified name form, to record actual file address; When master access recorder data file, according to the actual address of redirection file record, go to obtain fileinfo and data; Redirection file name format is: device name _ LD title _ FltNum fault number _ fault time.Fault time, form should be: year (four) month (two) day (two) _ time (two) minute (two) second (two) _ millisecond (three).
File system call interception: interception operating system is called and found out in real time file transition information the bottom operation of file system.
Periodic file examination: monitoring catalogue is carried out to periodic scanning comparison to find file transition information.
1) the virtual modeling of failure wave-recording intelligent gateway
The fault recording system of the control of the fault wave recording device in current conversion station and all built-in failure wave-recording functional modules and protective device formation is modeled as to a failure wave-recording intelligence IED(Intelligent Electronic Device) object; and under failure wave-recording intelligence IED object, different failure wave-recording modules is modeled as respectively to failure wave-recording logical device LD.Failure wave-recording logical device LD at least comprises LLN0(logical node zero), LPHD(physical unit infologic node), RDRE(disturbance records logical node) three logical node LN; For all failure wave-recording logical device LD, RDRE is for forcing logical node; In these three logical nodes, force to realize the listed data object of table 1.
Table 1 record ripple LD logical node is forced data object
In failure wave-recording intelligence IED object, support following service model: association, server model, data set, report and file service.
When new failure wave-recording generates by sending important state signal in event: record wavy state (RDRE $ RcdMade), fault sequence number (RDRE $ FltNum) etc., failure wave-recording logical device LD serves by report and send above status signal.
2) network file mapping mode networking monitoring
The recorder data catalogue of the control of fault wave recording device and all built-in failure wave-recording functional modules and protective device is shone upon under the monitoring catalogue that focuses on intelligent gateway by network directory; as shown in Figure 1 the shared failure wave-recording file directory of network that is set as of different device is mapped as under the corresponding sub directory under the concentrated monitoring of intelligent gateway device catalogue; by failure wave-recording intelligent gateway, concentrate monitoring management; each failure wave-recording logical device LD independently monitors and is independent of each other, as Fig. 1.
The fault recording system of current conversion station shown in Fig. 1 access device (configuration is adjusted according to engineering) is illustrated:
DCTFR: DC Line Fault wave recording device;
BCPx: bipolar control protective unit, comprising: the bipolar control of BCPA(and protection A system and device), the bipolar control of BCPB(and protection B system and device);
BPC: bipolar protection C system and device;
CCPxx: straight-wavy valve is controlled and protective device, comprising: the high end valve control of the CCP11A(utmost point 1 and protection A system and device), the high end valve control of the CCP11B(utmost point 1 and protection B system and device), CCP12A (the low end valve control of the utmost point 1 and protection A system and device), the 1 ground end valve control of the CCP12B(utmost point and protection B system and device), the high end valve control of the CCP21A(utmost point 2 and protection A system and device), the high end valve control of the CCP21B(utmost point 2 and protection B system and device), the low end valve control of the CCP22A(utmost point 2 and protection A system and device), the low end valve control of the CCP22B(utmost point 2 and protection B system and device);
CPxx: direct current is high/low side protective device, comprising: the high-end protection C of the CP11C(utmost point 1 system and device), the CP12C(utmost point 1 low side protection C system and device), the high-end protection C of the CP21C(utmost point 2 system and device), the CP22C(utmost point 2 low sides protection C system and devices);
PCPxx: the direct current utmost point is controlled and protective device, comprising: the PCP1A(utmost point 1 utmost point control A system and device), the PCP1B(utmost point 1 utmost point control B system and device), the PCP2A(utmost point 2 utmost point control A system and devices), the PCP2B(utmost point 2 utmost point control B system and devices);
PPxx: direct current electrode protector, comprising: the PP1C(utmost point 1 is protected C system and device), the PP2C(utmost point 2 protection C system and devices).
Failure wave-recording intelligent gateway adopts the generation of file system call interception and two kinds of mode detecting real-time failure wave-recording files of periodic file examination, and the processing logic of the corresponding virtual faults of Real Time Drive record ripple logical device LD and automatically trigger IEC61850 transfer of data, complete and remote I EC61850 failure wave-recording main station system between real time communication.Intelligent gateway successively records the file of all monitoring subdirectories and has detected time range, only processes newly-generated recorder data file, avoids reprocessing, guarantees the high efficiency of gateway apparatus start-up and operation, to improve detecting efficiency.Intelligent gateway to each logic record wave device only retain nearest moment specified quantity redirection file, avoid redirection file quantity to exceed the restricted number of operating system, to guarantee the long-term stability operation of intelligent gateway.The mapping of Adoption Network catalogue and file redirection mode record and access primary fault recorded wave file, reduce to greatest extent the impact on direct-current power transmission control protection system, and guarantee the true consistency of recorder data.
3) the file service interface parameters of expansion IEC61850, supports recorded wave file inquire about on a time period and read
In file service interface specification in IEC61850, do not support to inquire about on a time period and file reading record.By additional prescribed form in IEC61850 file service interface parameters, (before pathname, increase " time started ", " deadline ", and separate with '/' symbol, between " time started " and " deadline ", adopt " ^ " symbol to be connected, i.e. " time started ^ end time/COMTRADE/ ") time period descriptor, and the file service Interface realization of corresponding modify IEC61850, under the complete compatible prerequisite of maintenance and IEC61850 standard, support record the inquiry on a time period of ripple bulletin and Wave data and read.
Claims (8)
1. current conversion station fault recording system, to the data cut-in method of IEC61850 failure wave-recording main website, is characterized in that, the method comprises the steps:
(1) fault recording system of the control of the fault wave recording device in current conversion station and all built-in failure wave-recording functional modules and protective device formation is modeled as to a failure wave-recording intelligence IED object, and under failure wave-recording intelligence IED object, different failure wave-recording modules is modeled as respectively to failure wave-recording logical device LD;
(2) the recorder data catalogue of the control of fault wave recording device and all built-in failure wave-recording functional modules and protective device is shone upon under the monitoring catalogue that focuses on intelligent gateway by network directory;
(3) intelligent gateway adopts the generation of file system call interception and two kinds of mode detecting real-time failure wave-recording files of periodic file examination, and the processing logic of the corresponding virtual faults of Real Time Drive record ripple logical device LD and automatically trigger IEC61850 transfer of data, complete and remote I EC61850 failure wave-recording main station system between real time communication.
2. current conversion station fault recording system according to claim 1, to the data cut-in method of IEC61850 failure wave-recording main website, is characterized in that: described failure wave-recording logical device LD at least comprises that logical node zero LLN0, physical unit infologic node LPHD and disturbance record logical node RDRE.
3. current conversion station fault recording system according to claim 1, to the data cut-in method of IEC61850 failure wave-recording main website, is characterized in that: in described step (3), the mapping of Adoption Network catalogue and file redirection mode record and access primary fault recorded wave file.
4. current conversion station fault recording system according to claim 1, to the data cut-in method of IEC61850 failure wave-recording main website, is characterized in that: the following service model of failure wave-recording intelligence IED object support in described step (1): association, server model, data set, report and file service.
5. current conversion station fault recording system according to claim 1 is to the data cut-in method of IEC61850 failure wave-recording main website, it is characterized in that: also comprise that the file that step (4) intelligent gateway successively records all monitoring subdirectories detected time range, only process newly-generated recorder data file.
6. current conversion station fault recording system according to claim 1, to the data cut-in method of IEC61850 failure wave-recording main website, is characterized in that: also comprise step (5) intelligent gateway to each logic record wave device only retain nearest moment specified quantity redirection file.
7. the data cut-in method to IEC61850 failure wave-recording main website according to the current conversion station fault recording system described in any one in claim 1-6, it is characterized in that: by the time period descriptor of additional prescribed form in IEC61850 file service interface parameters, and the file service Interface realization of corresponding modify IEC61850, realize recorder data and inquire about on a time period and read.
8. current conversion station fault recording system according to claim 7 is to the data cut-in method of IEC61850 failure wave-recording main website, it is characterized in that, described prescribed form is before pathname, to increase " time started ", " deadline ", and separate with '/' symbol, between " time started " and " deadline ", adopt " ^ " symbol to be connected.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106685698A (en) * | 2016-12-06 | 2017-05-17 | 南京南瑞继保电气有限公司 | Remote device monitoring and analysis system |
| CN107238767A (en) * | 2017-04-26 | 2017-10-10 | 广西电网有限责任公司电力科学研究院 | A kind of quality of power supply and user environment monitor the communication means of integrated apparatus on-line |
| CN107238767B (en) * | 2017-04-26 | 2019-10-18 | 广西电网有限责任公司电力科学研究院 | A kind of communication means of power quality and user environment on-line monitoring integrated apparatus |
| CN107887983A (en) * | 2017-12-22 | 2018-04-06 | 中国电力工程顾问集团中南电力设计院有限公司 | A kind of ultra-high voltage transformer station and current conversion station build monitoring system and method for jointly building jointly |
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| CN108957231A (en) * | 2018-07-17 | 2018-12-07 | 国网辽宁省电力有限公司电力科学研究院 | A kind of method of distributed system and its host and handset data interaction |
| CN109698553A (en) * | 2018-12-29 | 2019-04-30 | 中国南方电网有限责任公司 | A method of optimizing transmission mechanism suitable for wave-record chart under emergency environmental |
| CN114123498A (en) * | 2021-11-16 | 2022-03-01 | 许继集团有限公司 | Wave recording control system for valve control equipment of direct-current transmission system |
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