CN209247929U - A kind of master supervisory system of power distribution network line selection apparatus united analysis management - Google Patents
A kind of master supervisory system of power distribution network line selection apparatus united analysis management Download PDFInfo
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- CN209247929U CN209247929U CN201821694744.8U CN201821694744U CN209247929U CN 209247929 U CN209247929 U CN 209247929U CN 201821694744 U CN201821694744 U CN 201821694744U CN 209247929 U CN209247929 U CN 209247929U
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Abstract
The utility model discloses a kind of master supervisory systems of power distribution network line selection apparatus united analysis management, including provincial monitoring center, several monitoring centers at county level, several master stations and several Small Electric Current Earthing And Routing Devices, several Small Electric Current Earthing And Routing Devices are installed in substation, master station is additionally provided in the substation, several Small Electric Current Earthing And Routing Devices in substation are connected with the master station in substation, several master stations are connected by optical fiber with monitoring center at county level, several monitoring centers at county level are connected by optical fiber with provincial grade monitoring center.The utility model realizes the unified management to the fault message of Small Electric Current Earthing And Routing Device by establishing three-level monitoring system to the greatest extent.
Description
Technical field
The utility model relates to for electric system hybrid simulation technical field, and in particular to a kind of power distribution network line selection apparatus system
The master supervisory system of one analysis management.
Background technique
In China, 6-66kV power distribution network majority is using isolated neutral or the choosing of the small current neutral grounding through grounding through arc
Line apparatus carries out fault detection, and singlephase earth fault is the highest failure of incidence in small current neutral grounding system, accounts for about total event
80% or so of barrier rate.Fast and accurately determine faulty line, and timely and effectively cut off faulty line, searching fault point is to protect
The key of power distribution network operational safety is demonstrate,proved, Small Electric Current Earthing And Routing Device only reports remote signalling at present, and other information needs scene to check
And acquisition, flexible, the convenient needs for obtaining Small Electric Current Earthing And Routing Device information are no longer satisfied, cannot be notified in time
Power supply bureau, substation, live operation maintenance personnel, relevant person in charge and line selection apparatus producer, cannot quickly handling failure, have
It may cause line tripping, the major accidents such as even switchgear is burnt, cable is burnt, while existing monitoring are jumped in main transformer leapfrog
Center respectively implements to manage, and each transformer substation system independent operating is equipped with independent administrative staff, not can be carried out system interconnection,
The utilization for virtually reducing system resource increases the management cost of system.
Utility model content
The purpose of this utility model is to provide a kind of master supervisory system of power distribution network line selection apparatus united analysis management,
To solve the problems mentioned in the above background technology.
The utility model is achieved through the following technical solutions: a kind of master of power distribution network line selection apparatus united analysis management
It stands monitoring system, including provincial monitoring center, several monitoring center, several master stations and several small current neutral groundings choosings at county level
Line apparatus, several Small Electric Current Earthing And Routing Devices are installed in substation, and master station is additionally provided in the substation, are become
Several Small Electric Current Earthing And Routing Devices in power station are connected with the master station in substation, and several master stations pass through
Optical fiber is connected with monitoring center at county level, and several monitoring centers at county level are connected by optical fiber with provincial grade monitoring center.
Preferably, the master station includes the communication server and protocol conversion device, master station processor, database service
Device, information delivery server, alarm terminal, the communication server that includes is connected with several Small Electric Current Earthing And Routing Devices, described
The communication server is also sequentially connected with protocol conversion device, master station processor, information delivery server, alarm terminal, the master
Station processor is also connected with database server.
Preferably, the alarm terminal includes mobile phone, laptop or plate IPAD, combined aural and visual alarm.
Preferably, the protocol conversion device includes FPGA signal processor, serial port driver, output port driving
Device, several serial ports, several output ports, the first watchdog circuit, GPS clock module and power module are described several
Serial port is connected with serial port driver signal, the output port driver and several output port signals
Be connected, the serial port driver, output port driver, the first watchdog circuit, GPS clock module with FPGA signal
Processor is connected, and the FPGA signal processor is connected by data line with the main station controller, and the power module is institute
State protocol conversion device power supply.
Preferably, the main station controller use ARM926EJ-S core high Precision Processing device, the main station controller also with
Second watchdog circuit is connected.
Preferably, photoisolator is equipped on the serial port driver and output port driver
Preferably, the provincial monitoring center includes provincial control computer and province-level data library server.
Preferably, the monitoring center at county level includes control computer at county level and database server at county level.
Compared with prior art, what the utility model reached has the beneficial effect that:
A kind of master supervisory system of power distribution network line selection apparatus united analysis management provided by the utility model, passes through province
Grade, mode at county level, substation field monitoring three-level structure will disperse, independent Small Electric Current Earthing And Routing Device is networked,
Cross-region, the unified monitoring in gamut, unified storage, unified management, resource-sharing are realized, operator can realize to small
Current earthing line selection apparatus is managed collectively, and substation fault trend is understood, and the improvement for later period substation fault provides base
Plinth data.
Fault message detected by several Small Electric Current Earthing And Routing Devices can also be carried out unified set by the utility model,
It enables an operator to fast and easy and grasps live singlephase earth fault situation and line selection apparatus real-time operating conditions, can quickly have
The help related personnel of effect obtains singlephase earth fault information, shortens fault handling time, is sent out using database server, information
Cloth server cooperates, and the fault message of the timely calling stored of energy facilitates operator to carry out post analysis processing, together
Voltage and current analog quantity can be converted to digital quantity, can be realized the unification of a variety of specification signals by Shi Caiyong protocol conversion device
With conversion, level of integrated system is high, and strong antijamming capability is stable.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only the preferred reality of the utility model
Example is applied, it for those of ordinary skill in the art, without any creative labor, can also be attached according to these
Figure obtains other attached drawings.
Fig. 1 is that a kind of master supervisory system of power distribution network line selection apparatus united analysis management provided by the utility model is whole
Structural schematic diagram
Fig. 2 is the master station structural schematic diagram of the embodiments of the present invention；
Fig. 3 is the protocol conversion device structural schematic diagram of the embodiments of the present invention.
Specific embodiment
In order to be best understood from the utility model technology contents, specific embodiment is provided below, and practical to this in conjunction with attached drawing
It is novel to be described further.
Referring to Fig. 1, a kind of master supervisory system of power distribution network line selection apparatus united analysis management, including in provincial monitoring
The heart, several monitoring center, several master stations and several Small Electric Current Earthing And Routing Devices at county level, several small current neutral groundings
Line selection apparatus is installed in substation, and master station is additionally provided in the substation, several small current neutral groundings choosing in substation
Line apparatus is connected with the master station in substation, and master station is used to obtain several small current earthing wire-selectings in substation
Device fault message detected, several master stations are connected by optical fiber with monitoring center at county level, monitoring center at county level
Including control computer at county level and database server at county level, control computer at county level can obtain the small electricity in multiple substations
The fault message of line-selected earthing device is flowed, the operating condition and failure feelings of the Small Electric Current Earthing And Routing Device in substation are understood
Condition, at the same by database server at county level store the Small Electric Current Earthing And Routing Device in several substations operating condition and
Fault condition information, several monitoring centers at county level are connected by optical fiber with provincial grade monitoring center, provincial monitoring center packet
Provincial control computer and province-level data library server are included, provincial control computer can obtain the domestic several changes in multiple cities and counties
The fault message of Small Electric Current Earthing And Routing Device in power station understands fault condition of the cities and counties within the border in multiple substations, simultaneously
By province-level data library server store the operating condition of the Small Electric Current Earthing And Routing Device in domestic substation, several cities and counties with
And fault condition information.
Referring to fig. 2, specifically, the master station includes the communication server and protocol conversion device, master station processor, number
According to library server, information delivery server, alarm terminal, several Small Electric Current Earthing And Routing Devices by data line with communicate
Server signal is connected, and the communication server can be monitored service to several Small Electric Current Earthing And Routing Devices, for receiving small electricity
Flow the information such as real time data, fault message, configuration information, the failure wave-recording of line-selected earthing device, the communication server and rule
About successively signal is connected by data line for conversion equipment, main station controller, main station controller and data described in protocol conversion device
Library server, information delivery server difference signal are connected, and the information delivery server is connected with alarm terminal signal, specification
Conversion equipment can will be converted using the fault message of the Small Electric Current Earthing And Routing Device of the communication protocols such as IEC101, Modbus, CDT
For using the fault message signal of IEC104 electric power communication protocol standard, main station controller passes through specification configuration software dissection process
Message content after specification conversion, caches the current state of access device, according to content update state, obtains small in substation
The fault message of current earthing line selection apparatus, and the information is transmitted in information delivery server, information delivery server will
The fault message is sent to alarm terminal, and the alarm terminal includes combined aural and visual alarm, mobile phone, laptop or plate IPAD,
Sound-light alarm, cell phone application, WEB browsing, short message push and the modes such as computer client can be used and send warning message to user,
User can also check that small current line selection equipment account, real-time status, line fault, analysis etc. are believed by above-mentioned terminal simultaneously
Breath, on the other hand, main station controller can send database server for message and analysis content (such as warning message, recording)
It is stored, provides data storage and retrieval service for operator.
Specifically, the protocol conversion device includes FPGA signal processor, serial port driver, output referring to Fig. 3
Port driver, several serial ports, several output ports, the first watchdog circuit, GPS clock module and power module,
Communications server data line is connected with several serial ports respectively, the serial port and serial port driver, processor
It is sequentially connected, the processor is sequentially connected with output port driver, several output ports, wherein serial port driver
Several serial ports can be driven to carry out read/write operation, obtain and connect using the low current of the communication protocols such as IEC101, Modbus, CDT
The fault message of ground line selection apparatus, and by the transmitting fault information into FPGA signal processor, FPGA signal processor can incite somebody to action
The fault message signal of the substandard Small Electric Current Earthing And Routing Device of different communication specification is converted, and use is uniformly converted to
The fault message signal of IEC104 electric power communication protocol standard, and it is transmitted to output port driver, output port driver drives
It moves several output ports and carries out read/write operation, it will be using the letter of IEC104 electric power communication protocol standard eventually by output port
Number to main station controller, the monitoring to Small Electric Current Earthing And Routing Device fault message is completed, FPGA signal processor is also with first
Watchdog circuit, GPS clock module are connected, and the first watchdog circuit can guarantee that FPGA signal processor is entering abnormality
Afterwards, it can automatically reset and restart after a certain time, the GPS clock module is able to achieve the synchronous function of system of digital signal transmission
Can, the power module is 220V AC power source, can be powered for said elements.
Specifically, the main station controller use ARM926EJ-S core high Precision Processing device, the main station controller also with
Second watchdog circuit be connected, the second watchdog circuit can guarantee FPGA signal processor enter abnormality after, Ke Yi
It automatically resets and restarts after a certain period of time.
Specifically, photoisolator is equipped on the serial port driver and output port driver, it can anti-not-go-end
Transient voltage at mouthful damages port.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent substitution, improvement and etc. done should be included in the utility model
Within the scope of protection.
Claims (8)
1. a kind of master supervisory system of power distribution network line selection apparatus united analysis management, which is characterized in that including in provincial monitoring
The heart, several monitoring center, several master stations and several Small Electric Current Earthing And Routing Devices at county level, several small current neutral groundings
Line selection apparatus is installed in substation, and master station is additionally provided in the substation, several small current neutral groundings choosing in substation
Line apparatus is connected with the master station in substation, and several master stations are connected by optical fiber with monitoring center at county level,
Several monitoring centers at county level are connected by optical fiber with provincial monitoring center.
2. a kind of master supervisory system of power distribution network line selection apparatus united analysis management according to claim 1, feature
It is, the master station includes that the communication server and protocol conversion device, main station controller, database server, information are sent out
Cloth server, alarm terminal, the communication server that includes are connected with several Small Electric Current Earthing And Routing Devices, the communication server
It is also sequentially connected with protocol conversion device, main station controller, information delivery server, alarm terminal, the main station controller is also
It is connected with database server.
3. a kind of master supervisory system of power distribution network line selection apparatus united analysis management according to claim 2, feature
It is, the alarm terminal includes mobile phone, laptop or plate IPAD, combined aural and visual alarm.
4. a kind of master supervisory system of power distribution network line selection apparatus united analysis management according to claim 2, feature
It is, the protocol conversion device includes FPGA signal processor, serial port driver, output port driver, several strings
Row port, several output ports, the first watchdog circuit, GPS clock module and power module, several serial ports with
Serial port driver signal is connected, and the output port driver is connected with several output port signals, described serial
Port driver, output port driver, the first watchdog circuit, GPS clock module are connected with FPGA signal processor, institute
It states FPGA signal processor to be connected by data line with the main station controller, the power module is the protocol conversion device
Power supply.
5. a kind of master supervisory system of power distribution network line selection apparatus united analysis management according to claim 3, feature
Be, the main station controller use ARM926EJ-S core high Precision Processing device, the main station controller also with the second house dog
Circuit is connected.
6. a kind of master supervisory system of power distribution network line selection apparatus united analysis management according to claim 4, feature
It is, is equipped with photoisolator on the serial port driver and output port driver.
7. a kind of master supervisory system of power distribution network line selection apparatus united analysis management according to claim 1, feature
It is, the provincial monitoring center includes provincial control computer and province-level data library server.
8. a kind of master supervisory system of power distribution network line selection apparatus united analysis management according to claim 1, feature
It is, the monitoring center at county level includes control computer at county level and database server at county level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821694744.8U CN209247929U (en) | 2018-10-19 | 2018-10-19 | A kind of master supervisory system of power distribution network line selection apparatus united analysis management |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821694744.8U CN209247929U (en) | 2018-10-19 | 2018-10-19 | A kind of master supervisory system of power distribution network line selection apparatus united analysis management |
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| Publication Number | Publication Date |
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| CN209247929U true CN209247929U (en) | 2019-08-13 |
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ID=67525525
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| CN201821694744.8U Active CN209247929U (en) | 2018-10-19 | 2018-10-19 | A kind of master supervisory system of power distribution network line selection apparatus united analysis management |
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| Country | Link |
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| CN (1) | CN209247929U (en) |
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2018
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