CN203406678U - Networked automatic throw-in equipment of emergency power supply - Google Patents
Networked automatic throw-in equipment of emergency power supply Download PDFInfo
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- CN203406678U CN203406678U CN201320533414.1U CN201320533414U CN203406678U CN 203406678 U CN203406678 U CN 203406678U CN 201320533414 U CN201320533414 U CN 201320533414U CN 203406678 U CN203406678 U CN 203406678U
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- Prior art keywords
- backup auto
- activating device
- power supply
- equipment
- data switching
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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
Abstract
The utility model relates to a networked automatic throw-in equipment of an emergency power supply. The networked automatic throw-in equipment of the emergency power supply includes a digital substation, a data switching exchange connected to a network of the digital substation and emergency power supply automatic throw-in equipment. The emergency power supply automatic throw-in equipment includes an input terminal and an output terminal. The input terminal is connected with the data switching exchange while the output terminal is connected with the data switching exchange through a GOOSE (Generic Object Oriented Substation Event). The data switching exchange is also connected with an execution unit used for controlling switch statuses based on GOOSE information output from the emergency power supply automatic throw-in equipment. The networked automatic throw-in equipment of the emergency power supply can identifying information uploaded by a measuring and controlling device, so that work load of field adjustment is reduced and reliability and real time performance of data communication are guaranteed by utilizing double network cards.
Description
Technical field
The utility model relates to a kind of networking backup auto-activating device, belongs 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, the Wang Zhengtao etc. based on lEC61850 standard; Protecting electrical power system and control; The 37th the 14th phase of volume; 82-85) existing discussion in a literary composition, this article has provided a kind of networking spare power automatic switching method based on lEC61850 standard simultaneously, and has applied for that the patent No. is the utility model patent 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 is had more advantage, has overcome the collection of traditional prepared auto restart scheme and control cables more and cannot be applied directly to the shortcoming of digital transformer substation.Yet the method completes service entrance switch position by inlet wire measure and control device and has stream to differentiate, completed bus connection switch station acquisition and had the differentiation with no pressure of pressure by mother measure and control device without stream, and the information exchange after differentiating is crossed to Internet Transmission to primary logical unit; Measure and control device that need to be in existing digital transformer substation in implementation process, increase have press with no pressure, have stream without differentiations such as stream and TV broken strings, 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 the judgment signal of changing measure and control device function, increase field adjustable workload, cannot uploading measure and control device to identify, and on 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 utility model object is to overcome above-mentioned the deficiencies in the prior art and a kind of networking backup auto-activating device is provided.
The technical scheme that realizes the employing of the utility model object is:
A kind of networking backup auto-activating device, the data switching exchane and the backup auto-activating device that comprise digital transformer substation network, be connected on described digital transformer substation network 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 described data switching exchane is also connected with for jumping according to the GOOSE information of described backup auto-activating device output the performance element closing with control switch.
Further, described backup auto-activating device comprises DSP, two network interface cards and for switching the handover module of described two network interface card operating states, described handover module is connected with DSP.
Further, described DSP comprises a message processing module, and described 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 used for monitoring defluidization, decompression and switching value variable condition, whether described in judgment means, according to defluidization, decompression and switching value variable condition decision node, exist extremely, described control device is controlled described performance element according to node abnormal conditions output signal.
In technique scheme, described digital transformer substation network is connected with block switch position and the bus measure and control device that inlet wire measure and control device, segmentation measure and control device are uploaded.
Accompanying drawing explanation
Fig. 1 is the network connection architecture schematic diagram of the utility model networking backup auto-activating device.
Fig. 2 is the structured flowchart of backup auto-activating device in Fig. 1.
Fig. 3 is the test structure schematic diagram of the utility model networking backup auto-activating device.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is further described.
As shown in Figure 1, networking backup auto-activating device comprises digital transformer substation network (in figure depending on not going out), be connected to data switching exchane and backup auto-activating device on digital transformer substation network, 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, data switching exchane is also connected with for jumping according to the GOOSE information of described backup auto-activating device output the performance element closing with control switch.Digital transformer substation network is connected with block switch position and the bus measure and control device that inlet wire measure and control device, segmentation measure and control device are uploaded.Described backup auto-activating device comprises DSP, two network interface cards and for switching the handover module of described two network interface card operating states, described handover module is connected with DSP, and two network interface cards are only used 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 described in judgment means, according to defluidization, decompression and switching value variable condition decision node, exist extremely, described control device is controlled described performance element according to node abnormal conditions output signal.
No matter the complexity of transformer station's topological structure, by backup auto-activating device, by data switching exchane, on digital transformer substation network, obtained the position of the switch and the current information that inlet wire measure and control device is uploaded, the block switch position that segmentation measure and control device is uploaded, and the busbar voltage information uploaded of bus measure and control device, 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 changing original measure and control device, backup auto-activating device is comprehensively judging the information of obtaining, and logic Output rusults is transferred to dispersion performance element in GOOSE mode by data switching exchane, the jumping that completes switch is closed.
Owing to the present invention is based on the passive mode of the networking spare power automatic switching system employing obtaining information of information redundancy, the information of obtaining is untreated raw information, contain much information, information processing rate and reliability are had to strict requirement, independently device form be must adopt, information identification judgement, logic analysis function completed.For example, in the Automation System in Digitalized Substation based on IEC61850 standard, owing to gathering and Ethernet exchanging is all passed through in control information, the reliability of ethernet communication and real-time are particularly important, and it is determining 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 be considered Redundancy Design.Therefore, the present invention adopts the Redundancy Design mode of the same IP network sector address of Dual-Ethernet network interface card, from data switching exchane obtaining information, adopts two network interface cards, and output information also adopts two network interface cards; Though two redundant networks have 2 network interface cards, 2 passages, for application system, still present the feature of Single NIC.That is to say, two network interface cards of each backup auto-activating device only have the IP address of use, and the TCP/IP having set up with this backup auto-activating device for external equipment connects, and still can guarantee networking backup auto-activating device normal operation of the present invention during handover network adapter.
In order to realize two network interface card Redundancy Design, the present invention has adopted failure diagnosis, hot-swap technology, the hardware device of easily makeing mistakes is carried out to redundancy backup, when one of them equipment is for a certain reason during cisco unity malfunction, another equipment just can replace this equipment to complete identical function at once.As shown in Figure 2, in the present embodiment, in the first backup auto-activating device, be provided with network interface card I and network interface card II, between network interface card I and network interface card II, be provided with handover module; In the second backup auto-activating device, be provided with network interface card III and network interface card IV, between network interface card III and network interface card IV, be provided with handover module, by the operating state of two network interface cards in a backup auto-activating device of DSP monitoring, automatically control handover module and switch on the network interface card that function is intact.
The present invention specifically comprises the following steps the information processing method of networking backup auto-activating device:
By typical transformer station's topology data storehouse, call the transformer station topology diagram consistent with debugging transformer station, build 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, transformer station's topology diagram is corresponding, real-time update, and show topology diagram and nodal information by display interface;
In monitoring device Real-Time Monitoring transformer station topology diagram, whether each node there is the abnormality that defluidization, decompression and switching value change, as found to exist the node of abnormality, judgment means is according to current transformer station topology diagram running status, find out the node that has 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, judged result is carried out to logic analysis.
When building general information platform, backup auto-activating device maps to the logic analysis module in backup auto-activating device by transformer station's topology diagram in message processing module automatically, each node switching value that logic analysis module is judged according to judge module changes, change logic analysis strategy, and the judged result of combining information platform output, 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 transformer station's topology data storehouse, call the transformer station topology diagram consistent with debugging transformer station, and modify on transformer station's topology diagram according to the parameter of each device of actual transformer station, complete test parameter setting;
As shown in Figure 3, by tester access data switch, tester is according to transformer station's 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 variation, hit testing, tester, according to the abnormality arranging, sends the information such as electric current, voltage, switching value to data switching exchane, simulate actual abnormality; Tester serves as performance element simultaneously, by data switching exchane, receive backup auto-activating device logic Output rusults and show result, tester is with reference to the logic Output rusults of backup auto-activating device, in conjunction with the abnormality providing, analyze backup auto-activating device correct operation whether under abnormality, and assess.
The present invention does not need the discriminant information of changing measure and control device function, can uploading measure and control device to identify, reduced the workload of field adjustable, and the reliability and the real-time that by two network interface cards, have guaranteed data communication, also realized the test problem to networking backup auto-activating device.
Claims (4)
1. a networking backup auto-activating device, comprise digital transformer substation network, be connected to data switching exchane and backup auto-activating device on described digital transformer substation network, 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 described data switching exchane is also connected with for jumping according to the GOOSE information control switch of described backup auto-activating device output the performance element closing.
2. networking backup auto-activating device according to claim 1, is characterized in that: described backup auto-activating device comprises DSP, two network interface cards and for switching the handover module of described two network interface card operating states, described handover module is connected with DSP.
3. networking backup auto-activating device according to claim 2, is characterized in that, 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 used for monitoring defluidization, decompression and switching value variable condition, whether described in judgment means, according to defluidization, decompression and switching value variable condition decision node, exist extremely, described control device is controlled described performance element according to node abnormal conditions output signal.
4. according to the arbitrary described networking backup auto-activating device of claim 1～3, it is characterized in that: described digital transformer substation network is connected with block switch position and the bus measure and control device that inlet wire measure and control device, segmentation measure and control device are uploaded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320533414.1U CN203406678U (en) | 2013-08-29 | 2013-08-29 | Networked automatic throw-in equipment of emergency power supply |
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|---|---|---|---|
| CN201320533414.1U CN203406678U (en) | 2013-08-29 | 2013-08-29 | Networked automatic throw-in equipment of emergency power supply |
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| CN203406678U true CN203406678U (en) | 2014-01-22 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103427483A (en) * | 2013-08-29 | 2013-12-04 | 国家电网公司 | Networked automatic stand-by power switching device and information processing and testing method thereof |
| 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 |
-
2013
- 2013-08-29 CN CN201320533414.1U patent/CN203406678U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103427483A (en) * | 2013-08-29 | 2013-12-04 | 国家电网公司 | Networked automatic stand-by power switching device and information processing and testing method thereof |
| CN103427483B (en) * | 2013-08-29 | 2015-09-09 | 国家电网公司 | Networking backup auto-activating device and information processing thereof and method of testing |
| 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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| CX01 | Expiry of patent term |
Granted publication date: 20140122 |
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| CX01 | Expiry of patent term |