CN103427483B - Networking backup auto-activating device and information processing thereof and method of testing - Google Patents
Networking backup auto-activating device and information processing thereof and method of testing Download PDFInfo
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Abstract
The invention discloses a kind of networking backup auto-activating device and information processing thereof and method of testing, this networking backup auto-activating device comprises digital transformer substation network, be connected to data switching exchane on described digital transformer substation network and backup auto-activating device, described backup auto-activating device comprises input and output, described input is connected with data switching exchane, output is connected with data switching exchane by GOOSE, and the GOOSE information that described data switching exchane is also connected with for exporting according to described backup auto-activating device jumps the performance element closed with control switch.The present invention passes through information processing and the test of networking backup auto-activating device, the discriminant information that measure and control device is uploaded can be identified, decrease the workload of field adjustable, and reliability and the real-time of data communication is ensure that by double netcard, also achieve the test problem to networking backup auto-activating device.
Description
Technical field
The present invention relates to the backup auto-activating device in electric power system, refer to a kind of networking backup auto-activating device and information processing thereof and method of testing particularly, belong to transformer station, current conversion station, power plant relaying protection automatic field.
Background technology
Current in electric power system, prepared auto restart function adopts special backup auto-activating device to complete mostly.Such prepared auto restart has more defect, at networking prepared auto restart function (Li Haixing, Wang Zhengtao etc. based on 1EC61850 standard; Protecting electrical power system and control; 37th volume the 14th phase; 82-85) existing discussion in a literary composition, this article gives a kind of networking spare power automatic switching method based on lEC61850 standard simultaneously, and has applied for that the patent No. is the patent of invention of 200810167955.0 " the GOOSE mode networking spare power automatic switching methods based on digital transmission network ".The method is compared traditional backup auto-activating device and be there is more advantage, overcome the collection of traditional prepared auto restart scheme and control cables more and the shortcoming of digital transformer substation cannot be applied directly to.But the method completes service entrance switch position by inlet wire measure and control device and has stream to differentiate without stream, to be completed bus connection switch station acquisition and have pressure differentiation with no pressure by mother measure and control device, by the information after differentiating by Internet Transmission to primary logical unit; Need the measure and control device in existing digital transformer substation in implementation process, increase have pressure with no pressure, have stream without stream and the differentiation such as TV broken string, the prepared auto restart main logic processing unit of integrated the method in certain protective device of being correlated with.The discrimination function that the method adopts is transferred and the integrated mode that it is located of prepared auto restart main logic processing unit, not only need change measure and control device function, increase field adjustable workload, cannot the judgment signal that measure and control device is uploaded be identified, and in reliability and Function Extension, there is more hidden danger and inconvenience in dependent main logic processing unit; In addition, the test problem of not mentioned networking backup auto-activating device.
Summary of the invention
The object of the invention is to overcome above-mentioned the deficiencies in the prior art and provides a kind of networking backup auto-activating device and information processing thereof and method of testing.
The technical scheme realizing the object of the invention employing is:
A kind of networking backup auto-activating device, comprise digital transformer substation network, be connected to data switching exchane on described digital transformer substation network and backup auto-activating device, it is characterized in that: described backup auto-activating device comprises input and output, described input is connected with data switching exchane, output is connected with data switching exchane by GOOSE, and the performance element closed jumped by the GOOSE information control switch that described data switching exchane is also connected with for exporting according to described backup auto-activating device.。
Further, described backup auto-activating device comprises DSP, two network interface cards and the handover module for switching described two network interface card operating states, and described handover module is connected with DSP.
Further, described DSP comprises a message processing module, and this message processing module comprises:
One monitoring device, is connected with in running order network interface card;
One judgment means, is connected with described monitoring device; And
One control device, is connected with described judgment means,
Described monitoring device is for monitoring defluidization, decompression and switching value variable condition, whether there is exception according to defluidization, decompression and switching value variable condition decision node described in judgment means, described control device controls described performance element according to node abnormal conditions output signal.
In technique scheme, the block switch position that described digital transformer substation network is connected with inlet wire measure and control device, segmentation measure and control device is uploaded and bus measure and control device.
The present invention also provides a kind of information processing method of networking backup auto-activating device, and this information processing method comprises:
By substation topology structural database, calling the substation topology structure chart consistent with debugging transformer station, building General Systems Theory;
Backup auto-activating device obtains actual information from data switching exchane and is placed on the node that described General Systems Theory, substation topology structure chart is corresponding, real-time update, and by display interface display topology diagram and nodal information;
In General Systems Theory Real-Time Monitoring substation topology structure chart, whether each node exists the abnormality of defluidization, decompression and switching value change, the node of abnormality is there is as found, information platform is according to current transformer substation topology diagram running status, find out the node having electrical link with this abnormality node, contrast this abnormal nodes and have node current, the voltage condition of electrical link with it, analyze the authenticity of abnormality, and provide judged result;
Logic analysis is carried out to judged result, draws abnormal conditions Producing reason.
Above-mentioned information processing method also comprises:
While structure General Systems Theory, substation topology structure chart in information platform is mapped to logic analysis module by backup auto-activating device automatically, each Node Switch amount change that logic analysis module judges according to information platform, change logic analysis strategy, and the judged result that combining information platform exports, carry out logic analysis, provide logic analysis result.
In addition, the present invention also provides a kind of method of testing of networking backup auto-activating device, and this method of testing comprises:
By substation topology structural database, call the substation topology structure chart consistent with debugging transformer station, and modify on substation topology structure chart according to the parameter of each device of actual transformer station, complete test parameter and arrange;
By on tester access data switch, test platform is according to substation network topological diagram and device parameter, and the general ruuning situation of imitating substation, sends electric current, voltage, switching value information to data switching exchane;
Arrange decompression, defluidization, switching value running parameter to interdependent node, hit testing, test platform, according to the abnormality arranged, sends the information such as electric current, voltage, switching value, simulates actual abnormality to data switching exchane; Tester serves as performance element simultaneously, network receives backup auto-activating device logic Output rusults and display result, and the logic Output rusults of tester's reference backup auto-activating device, in conjunction with the abnormality provided, analyze backup auto-activating device whether correct operation under abnormality, assess.
Accompanying drawing explanation
Fig. 1 is the network connection architecture schematic diagram of networking backup auto-activating device of the present invention.
Fig. 2 is the structured flowchart of backup auto-activating device in Fig. 1.
Fig. 3 is the test structure schematic diagram of networking backup auto-activating device of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is further illustrated.
As shown in Figure 1, networking backup auto-activating device comprises digital transformer substation network (depending on not going out in figure), be connected to the data switching exchane on digital transformer substation network and backup auto-activating device, wherein, backup auto-activating device comprises input and output, described input is connected with data switching exchane, output is by GOOSE(Generic Object Oriented Substation Event, for meeting the mechanism of electric substation automation system rapid message demand in IEC61850 standard) be connected with data switching exchane, the GOOSE information that data switching exchane is also connected with for exporting according to described backup auto-activating device jumps the performance element closed with control switch.The block switch position that digital transformer substation network is connected with inlet wire measure and control device, segmentation measure and control device is uploaded and bus measure and control device.Described backup auto-activating device comprises DSP, two network interface cards and the handover module for switching described two network interface card operating states, and described handover module is connected with DSP, and two network interface cards only use an IP address.
Wherein, DSP comprises message processing module, and described message processing module comprises: monitoring device, judgment means, control device, and monitoring device is connected with network interface card in running order in two network interface cards, judgment means is connected with monitoring device, and control device is connected with judgment means.Monitoring device obtains the data of node current, voltage by network interface card, and monitor defluidization, decompression and switching value variable condition, whether there is exception according to defluidization, decompression and switching value variable condition decision node described in judgment means, described control device controls described performance element according to node abnormal conditions output signal.
No matter the complexity of substation topology structure, on digital transformer substation network, obtain by data switching exchane the position of the switch and current information that inlet wire measure and control device uploads by backup auto-activating device, the block switch position that segmentation measure and control device is uploaded, and the busbar voltage information that bus measure and control device is uploaded, this type of information, it is the characteristic quantity that each measure and control device of digital transformer substation requirement is uploaded by some cycles, without the need to changing original measure and control device, backup auto-activating device is carrying out comprehensive descision to the information obtained, and logic Output rusults is transferred to dispersion performance element in GOOSE mode by data switching exchane, the jumping completing switch is closed.
Because the networking spare power automatic switching system that the present invention is based on information redundancy adopts the passive mode of obtaining information, the information obtained is untreated raw information, contain much information, strict requirement is had to information processing rate and reliability, independently device form must be adopted, complete information identification judgement, logic analysis function.Such as, in the Automation System in Digitalized Substation based on IEC61850 standard, because collection and control information all pass through Ethernet exchanging, the reliability of ethernet communication and real-time are particularly important, and it decides the availability of this automation system model.In order to improve reliability and the real-time of communication, the ethernet network of backup auto-activating device need consider Redundancy Design.Therefore, the present invention adopts the Redundancy Design mode of the same IP network sector address of Dual-Ethernet network interface card, and adopt double netcard from data switching exchane obtaining information, output information also adopts double netcard; Though two redundant network has 2 network interface cards, 2 passages, for application system, still present the feature of Single NIC.That is, two pieces of network interface cards of each backup auto-activating device only have use IP address, and the TCP/IP set up with this backup auto-activating device for external equipment connects, and still can ensure that networking backup auto-activating device of the present invention normally works during handover network adapter.
In order to realize double netcard Redundancy Design, present invention employs failure diagnosis, hot-swap technology, namely redundancy backup is carried out to the hardware device of easily makeing mistakes, when one of them equipment for a certain reason cisco unity malfunction time, another equipment just can replace this equipment to complete identical function at once.As shown in Figure 2, be provided with network interface card I and network interface card II in the first backup auto-activating device in the present embodiment, between network interface card I and network interface card II, be provided with handover module; Be provided with network interface card III and network interface card IV in second backup auto-activating device, between network interface card III and network interface card IV, be provided with handover module, monitored the operating state of two network interface cards in a backup auto-activating device by DSP, automatically control handover module and switch on the intact network interface card of function.
The information processing method of the present invention to networking backup auto-activating device specifically comprises the following steps:
By typical substation topology structural database, calling the substation topology structure chart consistent with debugging transformer station, building information platform (message processing module).
Backup auto-activating device obtains actual information from data switching exchane and is placed on the node that message processing module, substation topology structure chart is corresponding, real-time update, and by display interface display topology diagram and nodal information;
In monitoring device Real-Time Monitoring substation topology structure chart, whether each node exists the abnormality of defluidization, decompression and switching value change, the node of abnormality is there is as found, judgment means is according to current transformer substation topology diagram running status, find out the node having electrical link with this abnormality node, contrast this abnormal nodes and have node current, the voltage condition of electrical link with it, analyze the authenticity of abnormality, and provide judged result, by DSP, logic analysis is carried out to judged result.
While structure General Systems Theory, substation topology structure chart in message processing module is mapped to the logic analysis module in backup auto-activating device by backup auto-activating device automatically, each Node Switch amount change that logic analysis module judges according to judge module, change logic analysis strategy, and the judged result that combining information platform exports, carry out logic analysis, provide logic analysis result.
The method of testing concrete steps of networking backup auto-activating device of the present invention are as follows:
By typical substation topology structural database, call the substation topology structure chart consistent with debugging transformer station, and modify on substation topology structure chart according to the parameter of each device of actual transformer station, complete test parameter and arrange;
As shown in Figure 3, by tester access data switch, tester is according to substation network topological diagram and device parameter, and the general ruuning situation of imitating substation, sends the information such as electric current, voltage, switching value to data switching exchane;
Interdependent node is arranged to the parameters such as decompression, defluidization, switching value change, hit testing, tester, according to the abnormality arranged, sends the information such as electric current, voltage, switching value, simulates actual abnormality to data switching exchane; Tester serves as performance element simultaneously, backup auto-activating device logic Output rusults and display result is received by data switching exchane, tester is with reference to the logic Output rusults of backup auto-activating device, in conjunction with the abnormality provided, analyze backup auto-activating device whether correct operation under abnormality, and assess.
The present invention does not need change measure and control device function, can identify the discriminant information that measure and control device is uploaded, decrease the workload of field adjustable, and reliability and the real-time of data communication is ensure that by double netcard, also achieve the test problem to networking backup auto-activating device.
Claims (3)
1. the information processing method of a networking backup auto-activating device, it is characterized in that: described networking backup auto-activating device, comprise digital transformer substation network, be connected to data switching exchane on described digital transformer substation network and backup auto-activating device, it is characterized in that: described backup auto-activating device comprises input and output, described input is connected with data switching exchane, output is connected with data switching exchane by GOOSE, and the performance element closed jumped by the GOOSE information control switch that described data switching exchane is also connected with for exporting according to described backup auto-activating device;
Described backup auto-activating device comprises DSP, two network interface cards and the handover module for switching described two network interface card operating states, and described handover module is connected with DSP;
Described DSP comprises: a message processing module, and this message processing module comprises:
One monitoring device, is connected with in running order network interface card;
One judgment means, is connected with described monitoring device; And
One control device, is connected with described judgment means,
Described monitoring device is for monitoring defluidization, decompression and switching value variable condition, whether described judgment means exists exception according to defluidization, decompression and switching value variable condition decision node, and described control device controls described performance element according to node abnormal conditions output signal;
Described digital transformer substation network is connected with inlet wire measure and control device, segmentation measure and control device and bus measure and control device;
Carry out information processing method by described networking backup auto-activating device, comprising:
By substation topology structural database, calling the substation topology structure chart consistent with debugging transformer station, building General Systems Theory;
Backup auto-activating device obtains actual information from data switching exchane and is placed on the node that described General Systems Theory, substation topology structure chart is corresponding, real-time update, and by display interface display topology diagram and nodal information;
In General Systems Theory Real-Time Monitoring substation topology structure chart, whether each node exists the abnormality of defluidization, decompression and switching value change, the node of abnormality is there is as found, information platform is according to current transformer substation topology diagram running status, find out the node having electrical link with this abnormality node, contrast this abnormal nodes and have node current, the voltage condition of electrical link with it, analyze the authenticity of abnormality, and provide judged result;
Logic analysis is carried out to judged result, draws abnormal conditions Producing reason.
2. the information processing method of networking backup auto-activating device according to claim 1, is characterized in that:
While structure General Systems Theory, substation topology structure chart in information platform is mapped to logic analysis module by backup auto-activating device automatically, each Node Switch amount change that logic analysis module judges according to information platform, change logic analysis strategy, and the judged result that combining information platform exports, carry out logic analysis, provide logic analysis result.
3. the method for testing of a networking backup auto-activating device, it is characterized in that: described networking backup auto-activating device, comprise digital transformer substation network, be connected to data switching exchane on described digital transformer substation network and backup auto-activating device, it is characterized in that: described backup auto-activating device comprises input and output, described input is connected with data switching exchane, output is connected with data switching exchane by GOOSE, and the performance element closed jumped by the GOOSE information control switch that described data switching exchane is also connected with for exporting according to described backup auto-activating device;
Described backup auto-activating device comprises DSP, two network interface cards and the handover module for switching described two network interface card operating states, and described handover module is connected with DSP;
Described DSP comprises: a message processing module, and this message processing module comprises:
One monitoring device, is connected with in running order network interface card;
One judgment means, is connected with described monitoring device; And
One control device, is connected with described judgment means,
Described monitoring device is for monitoring defluidization, decompression and switching value variable condition, whether described judgment means exists exception according to defluidization, decompression and switching value variable condition decision node, and described control device controls described performance element according to node abnormal conditions output signal;
Described digital transformer substation network is connected with inlet wire measure and control device, segmentation measure and control device and bus measure and control device;
Carry out method of testing by described networking backup auto-activating device to comprise:
By substation topology structural database, call the substation topology structure chart consistent with debugging transformer station, and modify on substation topology structure chart according to the parameter of each device of actual transformer station, complete test parameter and arrange;
By on tester access data switch, test platform is according to substation network topological diagram and device parameter, and the general ruuning situation of imitating substation, sends electric current, voltage, switching value information to data switching exchane;
Arrange decompression, defluidization, switching value running parameter to interdependent node, hit testing, test platform, according to the abnormality arranged, sends electric current, voltage, switching value information to data switching exchane, simulates actual abnormality; Tester serves as performance element simultaneously, network receives backup auto-activating device logic Output rusults and display result, and the logic Output rusults of tester's reference backup auto-activating device, in conjunction with the abnormality provided, analyze backup auto-activating device whether correct operation under abnormality, assess.
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| CN111682985A (en) * | 2020-06-08 | 2020-09-18 | 国网湖北省电力有限公司荆门供电公司 | Remote spare power automatic switching test method based on IEC61850 communication protocol |
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| CN102628927A (en) * | 2012-05-09 | 2012-08-08 | 深圳供电局有限公司 | Spare power source automatic switch load testing device of intelligent transformer substation |
| CN203406678U (en) * | 2013-08-29 | 2014-01-22 | 国家电网公司 | Networked automatic throw-in equipment of emergency power supply |
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| CN102628927A (en) * | 2012-05-09 | 2012-08-08 | 深圳供电局有限公司 | Spare power source automatic switch load testing device of intelligent transformer substation |
| CN203406678U (en) * | 2013-08-29 | 2014-01-22 | 国家电网公司 | Networked automatic throw-in equipment of emergency power supply |
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