CN105071544A - Characteristic value comparison-based smart substation relay protection on-line monitoring system - Google Patents
Characteristic value comparison-based smart substation relay protection on-line monitoring system Download PDFInfo
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Abstract
The invention discloses a characteristic value comparison-based smart substation relay protection on-line monitoring system. The characteristic value comparison-based smart substation relay protection on-line monitoring system includes a human-computer interaction module, a network communication module, a model analysis module, a massage comparison module and a data storage module; a characteristic value corresponding to a CID file is supplemented in an original standard SCD file, and an IED modeling-based association relationship between an CID and the characteristic value is established; the SCD file for which the characteristic value is supplemented is downloaded to an on-line monitoring device, and the corresponding relationship between an IED in the SCD file and the characteristic value is parsed according to SCL tag search language, so that a characteristic value matching basis can be formed for the on-line monitoring device; and the characteristic value of the IED is obtained through a GOOSE network and is subjected to on-line comparison, and the range of a relay protection system, which is affected by the abnormal change of the SCD, can be demonstrated in a visualized manner. With the characteristic value comparison-based smart substation relay protection on-line monitoring system adopted, SCD model-based relay protection system on-line monitoring can be realized, and visualized judgment technical means can be provided for operation and maintenance personnel.
Description
Technical field
The present invention relates to the intelligent substation relaying protection on-line monitoring system of a kind of feature based value comparison, belong to technical field of power systems.
Background technology
Along with the propelling based on IEC61850 Substation Automation System engineer applied, the connecting mode of substation secondary device IED instead of traditional cable by optical-fibre communications and connects, GOOSE (the GenericObjectOrientedSubstationEvent that the association of function is defined by IEC61850, transformer substation case towards general object) realize, transformer station secondary system is by SCD(SubstationConfigurationDescription, substation configuration description) file contains, but as relaying protection system (merge cells, protective device, intelligent terminal, as follows) SCD file be placed in this time-domain of intelligent substation life cycle management and consider, SCD file is dynamic change.When intelligent substation station level communication configuration is modified, how ensures the fail safe of process layer configuration information and determine that minimum change scope becomes the key issue needing solution badly.
Summary of the invention
Object: in order to overcome the deficiencies in the prior art, the invention provides the intelligent substation relaying protection on-line monitoring system of a kind of feature based value comparison, CID(based on IED modeling contains merge cells, protective device, intelligent terminal, as follows) characteristic value monitoring technology, namely supplement based on the CID of IED modeling and the corresponding relation of characteristic value in SCD file, the characteristic value of SCD file and corresponding IED is downloaded to relaying protection system state monitoring apparatus; CID file and characteristic of correspondence value are downloaded to IED device; Obtain " characteristic value of IED device " information by GOOSE net, resolve the characteristic value information of corresponding IED in GOOSE message, in coupling SCD file, characteristic value is compared with characteristic value in GOOSE message, and differentiation SCD changes the electrical secondary system equipment category affected.
Technical scheme: for solving the problems of the technologies described above, the technical solution used in the present invention is:
An intelligent substation relaying protection on-line monitoring system for feature based value comparison, is characterized in that, comprising: human-computer interaction module, network communication module, model analyzing module, message comparing module, data memory module;
Wherein: human-computer interaction module obtains SCD file;
Network communication module is through the GOOSE message by GOOSE network access IED device; Obtain the characteristic value in IED apparatus GOOSE message through GOOSE net, and characteristic value information is delivered to message comparing module;
Model analyzing block search calculates and the characteristic value code table be configured in SCD according to configuration, and delivers to message comparing module;
Message comparison module reflection relaying protection system and TT&C system status flag value, compare with the characteristic value from model analyzing module, message comparison result delivered to data memory module;
Result by corresponding for abnormal to message comparison result and the characteristic value relaying protection system category affected, and is delivered to human-computer interaction module by data memory module; Human-computer interaction module shows the abnormal relaying protection system category affected of characteristic value, for operating maintenance personnel provide technical support means in visual mode.
Described human-computer interaction module comprises: human-machine operation unit, data interface unit, figure display unit; Wherein human-machine operation unit is according to manual command, determines the SCD file that need download, and assigns to data interface unit by download instruction; Data interface unit, according to the download instruction from human-machine operation unit, receives the download of SCD file, delivers to model analyzing module; Receive the abnormal relaying protection system category affected of characteristic value from data memory module simultaneously, deliver to figure display module; Figure display unit receives the abnormal relaying protection system category affected of characteristic value from data interface unit, realizes visual presentation, provides relaying protection system characteristic value exception and affect the basis for estimation of category for operating maintenance personnel.
Described network communication module comprises: GOOSE network communication unit and network data processing unit, wherein: the GOOSE message that GOOSE network communication unit obtains reflection IED by GOOSE network port exports network data processing unit to; The characteristic value state information that reflection relaying protection system characteristic value is sent by network data processing unit, the GOOSE message information of IED delivers to model analyzing module.
Described model analyzing module comprises: data processing unit and model analyzing unit; wherein: model analyzing unit is sent in the characteristic value signal configuration that data processing unit reception SCD file and " IED system " preset; model analyzing unit takes SCL tag search technology; resolve SCD file to obtain, with the characteristic value of the corresponding incidence relation of relaying protection system, delivering to message comparing module by data processing unit.
Described message comparing module comprises: packet parsing unit, model comparing unit; Wherein message process unit receives the characteristic value information from network communication module reflection relaying protection system, resolves corresponding IED device characteristic value; Receive the GOOSE message information from GOOSE network reflection IED state; Characteristic value in IED device characteristic value and message is delivered to model comparing unit; Characteristic value in IED device characteristic value and message is mated with the corresponding relation of relaying protection system with from the characteristic value of model analyzing module by model comparing unit; determine the abnormal relaying protection system category affected of characteristic value, and matching result is delivered to data memory module.
Described data memory module comprises: matching treatment unit, data storage cell; Wherein matching treatment unit receives the matching result from message comparing module, delivers to data storage cell and preserves; Meanwhile, human-machine interface module is delivered to; Data memory module is preserved from the matching result of matching treatment unit from message comparing module, and can accept from human-machine interface module for storing calling of data.
First the present invention supplements CID file characteristic of correspondence value in primary standard SCD file, sets up the incidence relation of CID based on IED modeling and characteristic value; The SCD file of complementary features value is downloaded to " on-line condition monitoring device ", according to SCL tag search language, resolves the corresponding relation of IED and characteristic value in SCD file, form the characteristic value coupling foundation of " on-Line Monitor Device "; Obtain " characteristic value of IED device " and carry out online comparison with netting through GOOSE, show in visual mode the relaying protection system category that SCD ANOMALOUS VARIATIONS affects.Thus, realize the relaying protection system on-line monitoring based on SCD model, for operating maintenance personnel provide visual judgment technology means.
Beneficial effect: the intelligent substation relaying protection on-line monitoring system of feature based value provided by the invention comparison; compared with prior art; the present invention is by based on the CID of IED modeling and characteristic value on-line monitoring; realize the on-line monitoring of SCD for intelligent substation relaying protection system; for managing based on SCD intelligent substation relaying protection system, provide reliable technical guarantee.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
Below in conjunction with specific embodiment, the present invention is further described.
As shown in Figure 1, the intelligent substation relaying protection on-line monitoring system of a kind of feature based value comparison, human-computer interaction module, network communication module, model analyzing module, message comparing module, data memory module;
Wherein: human-computer interaction module obtains SCD file; Network communication module is through the GOOSE message by GOOSE network access IED device; Obtain the characteristic value in IED apparatus GOOSE message through GOOSE net, and characteristic value information is delivered to message comparing module; Model analyzing block search calculates and the characteristic value code table be configured in SCD according to configuration, and delivers to message comparing module; Message comparison module reflection relaying protection system and TT&C system status flag value, compare with the characteristic value from model analyzing module, message comparison result delivered to data memory module; Result by corresponding for abnormal to message comparison result and the characteristic value relaying protection system category affected, and is delivered to human-computer interaction module by data memory module; Human-computer interaction module shows the abnormal relaying protection system category affected of characteristic value, for operating maintenance personnel provide technical support means in visual mode.
Described human-computer interaction module comprises: human-machine operation unit, data interface unit, figure display unit; Wherein human-machine operation unit is according to manual command, determines the SCD file that need download, and assigns to data interface unit by download instruction; Data interface unit, according to the download instruction from human-machine operation unit, receives the download of SCD file, delivers to model analyzing module; Receive the abnormal relaying protection system category affected of characteristic value from data memory module simultaneously, deliver to figure display module; Figure display unit receives the abnormal relaying protection system category affected of characteristic value from data interface unit, realizes visual presentation, provides relaying protection system characteristic value exception and affect the basis for estimation of category for operating maintenance personnel.
Described network communication module comprises: GOOSE network communication unit and network data processing unit, wherein: the GOOSE message that GOOSE network communication unit obtains reflection IED by GOOSE network port exports network data processing unit to; The characteristic value state information that reflection relaying protection system characteristic value is sent by network data processing unit, the GOOSE message information of IED delivers to model analyzing module.
Described model analyzing module comprises: data processing unit and model analyzing unit; wherein: model analyzing unit is sent in the characteristic value signal configuration that data processing unit reception SCD file and " IED system " preset; model analyzing unit takes SCL tag search technology; resolve SCD file to obtain, with the characteristic value of the corresponding incidence relation of relaying protection system, delivering to message comparing module by data processing unit.
Described message comparing module comprises: packet parsing unit, model comparing unit; Wherein message process unit receives the characteristic value information from network communication module reflection relaying protection system, resolves corresponding IED device characteristic value; Receive the GOOSE message information from GOOSE network reflection IED state; Characteristic value in IED device characteristic value and message is delivered to model comparing unit; Characteristic value in IED device characteristic value and message is mated with the corresponding relation of relaying protection system with from the characteristic value of model analyzing module by model comparing unit; determine the abnormal relaying protection system category affected of characteristic value, and matching result is delivered to data memory module.
Described data memory module comprises: matching treatment unit, data storage cell; Wherein matching treatment unit receives the matching result from message comparing module, delivers to data storage cell and preserves; Meanwhile, human-machine interface module is delivered to; Data memory module is preserved from the matching result of matching treatment unit from message comparing module, and can accept from human-machine interface module for storing calling of data.
First the present invention supplements CID file characteristic of correspondence value in primary standard SCD file, sets up the incidence relation of CID based on IED modeling and characteristic value; The SCD file of complementary features value is downloaded to " on-line condition monitoring device ", according to SCL tag search language, resolves the corresponding relation of IED and characteristic value in SCD file, form the characteristic value coupling foundation of " on-Line Monitor Device "; Obtain " characteristic value of IED device " and carry out online comparison with netting through GOOSE, show in visual mode the relaying protection system category that SCD ANOMALOUS VARIATIONS affects.Thus, realize the relaying protection system on-line monitoring based on SCD model, for operating maintenance personnel provide visual judgment technology means.
The above is only the preferred embodiment of the present invention; be noted that for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (6)
1. an intelligent substation relaying protection on-line monitoring system for feature based value comparison, is characterized in that, comprising: human-computer interaction module, network communication module, model analyzing module, message comparing module, data memory module;
Wherein: human-computer interaction module obtains SCD file;
Network communication module is through the GOOSE message by GOOSE network access IED device; Obtain the characteristic value in IED apparatus GOOSE message through GOOSE net, and characteristic value information is delivered to message comparing module;
Model analyzing block search calculates and the characteristic value code table be configured in SCD according to configuration, and delivers to message comparing module;
Message comparison module reflection relaying protection system and TT&C system status flag value, compare with the characteristic value from model analyzing module, message comparison result delivered to data memory module;
Result by corresponding for abnormal to message comparison result and the characteristic value relaying protection system category affected, and is delivered to human-computer interaction module by data memory module; Human-computer interaction module shows the abnormal relaying protection system category affected of characteristic value, for operating maintenance personnel provide technical support means in visual mode.
2. the intelligent substation relaying protection on-line monitoring system of feature based value according to claim 1 comparison, is characterized in that: described human-computer interaction module comprises: human-machine operation unit, data interface unit, figure display unit; Wherein human-machine operation unit is according to manual command, determines the SCD file that need download, and assigns to data interface unit by download instruction; Data interface unit, according to the download instruction from human-machine operation unit, receives the download of SCD file, delivers to model analyzing module; Receive the abnormal relaying protection system category affected of characteristic value from data memory module simultaneously, deliver to figure display module; Figure display unit receives the abnormal relaying protection system category affected of characteristic value from data interface unit, realizes visual presentation, provides relaying protection system characteristic value exception and affect the basis for estimation of category for operating maintenance personnel.
3. the intelligent substation relaying protection on-line monitoring system of feature based value according to claim 1 comparison, it is characterized in that: described network communication module comprises: GOOSE network communication unit and network data processing unit, wherein: the GOOSE message that GOOSE network communication unit obtains reflection IED by GOOSE network port exports network data processing unit to; The characteristic value state information that reflection relaying protection system characteristic value is sent by network data processing unit, the GOOSE message information of IED delivers to model analyzing module.
4. the intelligent substation relaying protection on-line monitoring system of feature based value according to claim 1 comparison; it is characterized in that: described model analyzing module comprises: data processing unit and model analyzing unit; wherein: model analyzing unit is sent in the characteristic value signal configuration that data processing unit reception SCD file and " IED system " preset; model analyzing unit takes SCL tag search technology; resolve SCD file to obtain, with the characteristic value of the corresponding incidence relation of relaying protection system, delivering to message comparing module by data processing unit.
5. the intelligent substation relaying protection on-line monitoring system of feature based value according to claim 1 comparison, is characterized in that: described message comparing module comprises: packet parsing unit, model comparing unit; Wherein message process unit receives the characteristic value information from network communication module reflection relaying protection system, resolves corresponding IED device characteristic value; Receive the GOOSE message information from GOOSE network reflection IED state; Characteristic value in IED device characteristic value and message is delivered to model comparing unit; Characteristic value in IED device characteristic value and message is mated with the corresponding relation of relaying protection system with from the characteristic value of model analyzing module by model comparing unit; determine the abnormal relaying protection system category affected of characteristic value, and matching result is delivered to data memory module.
6. the intelligent substation relaying protection on-line monitoring system of feature based value according to claim 1 comparison, is characterized in that: described data memory module comprises: matching treatment unit, data storage cell; Wherein matching treatment unit receives the matching result from message comparing module, delivers to data storage cell and preserves; Meanwhile, human-machine interface module is delivered to; Data memory module is preserved from the matching result of matching treatment unit from message comparing module, and can accept from human-machine interface module for storing calling of data.
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| CN106203180A (en) * | 2016-08-04 | 2016-12-07 | 国网天津市电力公司 | A kind of online operational system of intelligent substation |
| CN106410972A (en) * | 2016-11-18 | 2017-02-15 | 国网上海市电力公司 | GOOSE-link-mapping-mechanism-based on-line monitoring system and method |
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| CN109301931A (en) * | 2017-07-25 | 2019-02-01 | 国网福建省电力有限公司 | A kind of integrated automation converting station monitoring system and method based on SCD model |
| CN111478438A (en) * | 2020-04-14 | 2020-07-31 | 广州劲源科技发展股份有限公司 | Transformer substation visual management device based on equipment information model platform and equipment |
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Inventor after: Cao Haiou Inventor after: Yang Yi Inventor after: Liu Shaojun Inventor after: Gao Xiang Inventor after: Gao Lei Inventor after: Yuan Yubo Inventor after: Guan Yibin Inventor after: Xu Ning Inventor after: Wu Yi Inventor before: Cao Haiou Inventor before: Yang Yi Inventor before: Liu Shaojun Inventor before: Gao Xiang Inventor before: Gao Lei Inventor before: Yuan Yubo Inventor before: Guan Yibin Inventor before: Xu Ning Inventor before: Wu Yi |
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Application publication date: 20151118 |