CN106026404A - Power supply system capable of automatic fault isolation and quick power transmission - Google Patents
Power supply system capable of automatic fault isolation and quick power transmission Download PDFInfo
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- CN106026404A CN106026404A CN201610558023.3A CN201610558023A CN106026404A CN 106026404 A CN106026404 A CN 106026404A CN 201610558023 A CN201610558023 A CN 201610558023A CN 106026404 A CN106026404 A CN 106026404A
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- power supply
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
- H02H7/261—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations
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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
- Y04S10/20—Systems supporting electrical power generation, transmission or distribution using protection elements, arrangements or systems
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention discloses a power supply system capable of automatic fault isolation and quick power transmission, which comprises a plurality of monitoring points and a distribution main station/distribution branch station. The power supply system comprises the distribution main station/distribution branch station, a dispatching data network, a microprocessor, and a fault information release management module connected in sequence, wherein the distribution main station/distribution branch station comprises a station and a detection transmission system; the detection transmission system comprises a fault monitoring/acquisition device; the fault monitoring/acquisition device is internally provided with a carrier communication card; two ends of the carrier communication card are connected with inductive couplers; the microprocessor has an ability of capturing fault information; and in match with the distribution main station/distribution branch station, automatic fault isolation and power supply restoration in a non-fault section for a distribution line are realized. fault happening to the power supply system can be automatically isolated, quick power supply system restoration is realized, frequent blackout is avoided, the stability of the power supply system is improved, the operation cost and the maintenance cost are reduced, the safety use performance is good, and actual use requirements are met.
Description
Technical field
Present invention relates particularly to the electric power system of the quick power transmission of a kind of automatic separating fault, belong to electric power system technical field.
Background technology
Along with economic fast development, for meeting growing electricity needs, in power system, the quantity of transformer station and transmission line of electricity is being continuously increased, and after power system is broken down, the operation that how could recover electricity power system timely and effectively has become as the practical problem that we are anxious to be resolved.With a varied topography due to some areas, power transmission line and the transmission line of electricity of scissors crossing are more, after transmission line of electricity breaks down, the accurate location of the localization of faults in particularly transmission of electricity professional thinks most the very first time, it is to avoid avoid detours；But the solution of routine is typically all is transferred report at the scene by person on duty; then fax to traffic department and specialty teams and groups; or transferred report by telephone wire at far-end by protection professional; typically needing within several hours, just can take report at the soonest, efficiency is on the low side, and transformer station is at present due to unmanned; after some power systems are broken down; report must be transferred by the professional transformer station that drives in a vehicle to, time-consuming laborious again, and have a strong impact on troubleshooting speed；Especially under the exceedingly odious weather such as thunderstorm, strong wind or dense fog, power system would become hard to fast recovery of power supply after breaking down.
Up to now, research about the isolation of power failure and the fast quick-recovery of electric power system both at home and abroad remains at the bottom.At present.The covering of communication network is more and more wide, and the distribution of communication base station website the most increasingly disperses, and in rural area, mountain area or remote sites, the powerup issue of base station equipment is the problem that a comparison of early stage construction and later maintenance is crucial.Traditional power supply plan includes: the kinds of schemes such as civil power is individually powered, civil power fuel charger hybrid power supply, these schemes solve the powerup issue of base station equipment to a certain extent, but in actually used or have that faulty section is more, can have a power failure frequently, be difficult to fast recovery of power supply, and operation expense is high, or there is the most high defect of reliability of power supply.For this reason, it may be necessary to design a kind of new technical scheme, it is possible to comprehensively solve the deficiencies in the prior art.
Summary of the invention
The deficiency that the present invention exists for prior art just, the electric power system of the quick power transmission of a kind of automatic separating fault is provided, meet easy to use on the premise of, this electric power system can the faulty section that occurs of automatism isolation electric power system, it is achieved that fast recovery of power supply system, it is to avoid frequent power failure, improve the stability of electric power system, and reduce operation expense, there is preferable safe application performance, meet actual operation requirements.
For solving the problems referred to above, the technical solution used in the present invention is as follows:
The electric power system of the quick power transmission of a kind of automatic separating fault, includes the malfunction monitoring harvester of carrier communication card including: some monitoring points and being provided with in described each monitoring point；
Described electric power system also includes: distribution main website/distribution substation of being sequentially connected, dispatch data net, microprocessor, fault message release management module；
Described distribution main website/distribution substation includes transformer station, and for detecting and isolate the detection transmission system of substation fault, described transformer station electrically connects with described detection transmission system bidirectional, described transformer station includes switch, oscillograph, induction apparatus and traveling wave ranging device, described detection transmission system includes malfunction monitoring/harvester, being provided with carrier communication card in described malfunction monitoring/harvester, there is inductive coupler at described carrier communication card two ends by bridging connection；
Described microprocessor with to current signal through analyze, qualitative, store and judge the operation of every circuit or carry out fault current monitoring, carry out the monitoring and control of feeder switch, there is the telemetry function of remote terminal unit, and there is the ability that fault message catches, coordinate distribution main website/distribution substation to realize automatic fault isolation and the restoring power supply in non-broken-down section of distribution line；
Described carrier communication card electrically connects with described microprocessor, it is achieved send signal by stipulations；
The electric power system of the described quick power transmission of a kind of automatic separating fault also includes electric supply installation, described electric supply installation includes that by 220V alternating current power supply rectification be 24V DC source, it is powered at microprocessor and carrier communication card again through DC/DC, on the other hand, to battery charging, when supply unit loses alternating current power supply input, accumulator battery will provide 24V DC source to microprocessor automatically, and accumulator is able to maintain that supply unit at least to work fault and is sent to specify higher level's scheduling or more time；
Be also associated with studying and judging module on described microprocessor, described in study and judge in module connect have command and control system platform, described command and control system platform also reversely electrically connects with described distribution main website/distribution substation；
nullImprovement as technique scheme，In described distribution main website/distribution substation, main carrier machine is installed、Protocol converter，Described main carrier machine uses model to be DLC-2100 product，Described protocol converter uses model to be the industrial computer of ACP4001，The modulated signal of described each monitoring point output is sent to this distribution main website/distribution substation by power cable，It coupled to described main carrier machine，Modulated signal demodulation is delivered to described protocol converter by this main carrier machine，Realize the conversion of corresponding stipulations，The debugging automated system of periphery it is forwarded to via the terminal unit device in this distribution main website/distribution substation，Or be directly over modem be sent to periphery debugging automated system，Described main carrier machine uses 101 stipulations to gather the signal of described each monitoring point，And deliver to described protocol converter by Multi-serial port，Realize the conversion to CDT stipulations of 101 stipulations.
Improvement as technique scheme, described fault message release management module includes station exchange, communication server, database server, mobile phone terminal, work station, reverse physical isolator and WEB server, described station exchange is connected with described dispatch data net by microprocessor, described mobile phone terminal is connected with station exchange by described database server, described work station is connected with station exchange, and station exchange is connected with WEB server by described reverse physical isolator.
As the improvement of technique scheme, modulated signal is coupled to the screen layer of power cable by described inductive coupler, and described electric power system also includes ring main unit, and described ring main unit is walked around power cable switch cubicle by holding wire bridging mode and realized the connection of signal.
As the improvement of technique scheme, described in study and judge module judges it is distribution main website/distribution substation general headquarters failure factor according to warning message, and navigate to fault section and geographical position thereof；Receive the data that transmitted by described dispatch data net and information, analyze fault cause, and study and judge the information after module will be studied and judged and analyzed and processed described in coordinating and be sent to command and control system platform.
Improvement as technique scheme, described command and control system platform is studied and judged information that module transmits for receiving and makes next step instruction, and transmission instruction carries out assigning intelligent detector and maintainer reconnaissance at criminal scene, and analyze intelligent detector and the inspection data of maintainer, and analysis result judgement is the cause of warning message at all, and carry out Analysis of Potential, hidden danger inquiry, broken string assistant analysis and the active distribution maintenance and inspection being correlated with.
Compared with prior art, the implementation result of the present invention is as follows for the present invention:
nullThe electric power system of the quick power transmission of a kind of automatic separating fault of the present invention，Meet easy to use on the premise of，This electric power system can automatism isolation electric power system occur faulty section，It is easy in real time and implements operation，Can be monitored reporting to the police and news release by the fault that electric power occurs within the very first time，And carried out judging power failure cause by studying and judging module，And within the very first time, send information to command and control system，Command and control system provides corresponding instruction according to the cause of fault message and carries out follow-up analysis、Assign、The associative operations such as protection and decision-making，Plan as a whole integrated management，So that the monitoring of power system and safe operation，Achieve fast recovery of power supply system，Avoid frequently power failure，Improve the stability of electric power system，And reduce operation expense，There is preferable safe application performance，Meet actual operation requirements.
Accompanying drawing explanation
Fig. 1 is the electric power system structural representation of the quick power transmission of a kind of automatic separating fault of the present invention；
Fig. 2 is the electric power system distribution main website/distribution substation internal structure schematic diagram of the quick power transmission of a kind of automatic separating fault of the present invention；
Fig. 3 be the quick power transmission of a kind of automatic separating fault of the present invention electric power system in malfunction monitoring harvester structural representation.
Detailed description of the invention
Present disclosure is described below in conjunction with specific embodiments.
As shown in figures 1 and 3, for the electric power system structural representation of the quick power transmission of a kind of automatic separating fault of the present invention.
The electric power system of the quick power transmission of a kind of automatic separating fault of the present invention, includes the malfunction monitoring harvester of carrier communication card 31 including: some monitoring points and being provided with in each monitoring point；Distribution main website/distribution substation 10 that electric power system includes being sequentially connected, dispatch data net 40, microprocessor 50, fault message release management module 60；Distribution main website/distribution substation 10 includes transformer station 20, and for detecting and isolate the detection transmission system of transformer station 20 fault, transformer station 20 electrically connects with detection transmission system bidirectional, transformer station 20 includes switch 21, oscillograph 22, induction apparatus 23 and traveling wave ranging device 24, detection transmission system includes malfunction monitoring/harvester 30, being provided with carrier communication card 31 in malfunction monitoring/harvester 30, there is inductive coupler 32 at carrier communication card 31 two ends by bridging connection；Microprocessor 50 for current signal through analyzing, qualitative, store and judge the operation of every circuit or carry out fault current monitoring, carry out the monitoring and control of feeder switch, there is the telemetry function of remote terminal unit, and there is the ability that fault message catches, coordinate distribution main website/distribution substation 10 to realize automatic fault isolation and the restoring power supply in non-broken-down section of distribution line；Carrier communication card 31 electrically connects with microprocessor 50, it is achieved send signal by stipulations；Electric power system also includes electric supply installation, electric supply installation includes that by 220V alternating current power supply rectification be 24V DC source, it is powered at microprocessor 50 and carrier communication card 31 again through DC/DC71, on the other hand, charge to accumulator battery 72, when supply unit loses alternating current power supply input, accumulator battery 72 will be provided 24V DC source, accumulator battery 72 to be able to maintain that supply unit at least to work fault will automatically to microprocessor 50 and is sent to specify higher level's scheduling or more time；Being also associated with on microprocessor 50 studying and judging module 51, studying and judging to connect in module 51 has command and control system platform 52, and command and control system platform 52 also reversely electrically connects with described distribution main website/distribution substation 10.nullThe electric power system of the quick power transmission of a kind of automatic separating fault of the present invention，Meet easy to use on the premise of，This electric power system can automatism isolation electric power system occur faulty section，It is easy in real time and implements operation，Can be monitored reporting to the police and news release by the fault that electric power occurs within the very first time，And carried out judging power failure cause by studying and judging module，And within the very first time, send information to command and control system，Command and control system provides corresponding instruction according to the cause of fault message and carries out follow-up analysis、Assign、The associative operations such as protection and decision-making，Plan as a whole integrated management，So that the monitoring of power system and safe operation，Achieve fast recovery of power supply system，Avoid frequently power failure，Improve the stability of electric power system，And reduce operation expense，There is preferable safe application performance，Meet actual operation requirements.
nullThe most with improvement，As shown in Figure 2，In distribution main website/distribution substation 10, main carrier machine 11 is installed、Protocol converter 12，Main carrier machine 11 uses model to be DLC-2100 product，The industrial computer that protocol converter 12 uses model to be ACP4001，The modulated signal of each monitoring point output is sent to this distribution main website/distribution substation 10 by power cable，It coupled to main carrier machine 11，Modulated signal demodulation is delivered to protocol converter 12 by this main carrier machine 11，Realize the conversion of corresponding stipulations，The debugging automated system of periphery it is forwarded to via the terminal unit device in this distribution main website/distribution substation 10，Or be directly over modem be sent to periphery debugging automated system，Main carrier machine 11 uses 101 stipulations to gather the signal of described each monitoring point，And deliver to protocol converter 12 by Multi-serial port，Realize the conversion to CDT stipulations of 101 stipulations.So that the monitoring of power system and safe operation, it is achieved that fast recovery of power supply system, it is to avoid frequent power failure, improve the stability of electric power system, and reduce operation expense, there is preferable safe application performance, meet actual operation requirements.
The most with improvement, as shown in Figure 1, fault message release management module 60 includes station exchange 61, communication server 62, database server 63, mobile phone terminal 64, work station 65, reverse physical isolator 66 and WEB server 67, station exchange 61 is connected with dispatch data net 40 by microprocessor 50, mobile phone terminal 64 is connected with station exchange 61 by described database server 63, work station 65 is connected with station exchange 61, and station exchange 61 is connected with WEB server 67 by reverse physical isolator 66.This electric power system can automatism isolation electric power system occur faulty section; it is easy in real time and implements operation; can be monitored reporting to the police and news release by the fault that electric power occurs within the very first time; and carried out judging power failure cause by studying and judging module; and within the very first time, send information to command and control system; command and control system provides corresponding instruction according to the cause of fault message and carries out follow-up analysis, assigns, protects and the associative operation such as decision-making; plan as a whole integrated management, in order to the monitoring of power system and safe operation.
Specifically, modulated signal is coupled to the screen layer of power cable by inductive coupler 32, and electric power system also includes ring main unit, and ring main unit is walked around power cable switch cubicle by holding wire bridging mode and realized the connection of signal.
Specifically, study and judge module 51 judges it is distribution main website/distribution substation 10 general headquarters failure factor according to warning message, and navigate to fault section and geographical position thereof；Receive the data and information transmitted by described dispatch data net 40, analyze fault cause, and cooperation is studied and judged the information after module 51 will be studied and judged and analyzed and processed and is sent to command and control system platform 52.Command and control system platform 52 is studied and judged information that module 51 transmits for receiving and makes next step instruction, and transmission instruction carries out assigning intelligent detector and maintainer reconnaissance at criminal scene, and analyze intelligent detector and the inspection data of maintainer, and analysis result judgement is the cause of warning message at all, and carry out Analysis of Potential, hidden danger inquiry, broken string assistant analysis and the active distribution maintenance and inspection being correlated with.
Above content is detailed description the most made for the present invention, it is impossible to assert that the present invention is embodied as being only limitted to these explanations.For those skilled in the art, without departing from the inventive concept of the premise, it is also possible to make some simple deduction or replace, all should be considered as belonging to the scope of protection of the invention.
Claims (6)
1. the electric power system of the quick power transmission of automatic separating fault, it is characterised in that: including: some monitoring points and be provided with the malfunction monitoring harvester including carrier communication card (31) in described each monitoring point；
Distribution main website/distribution substation (10) that described electric power system includes being sequentially connected, dispatch data net (40), microprocessor (50), fault message release management module (60)；
Described distribution main website/distribution substation (10) include transformer station (20), and it is used for detecting and isolating the detection transmission system of transformer station (20) fault, described transformer station (20) electrically connects with described detection transmission system bidirectional, described transformer station (20) includes switch (21), oscillograph (22), induction apparatus (23) and traveling wave ranging device (24), described detection transmission system includes malfunction monitoring/harvester (30), it is provided with carrier communication card (31) in described malfunction monitoring/harvester (30), there is inductive coupler (32) at described carrier communication card (31) two ends by bridging connection；
Described microprocessor (50) for current signal through analyze, qualitative, store and judge the operation of every circuit or carry out fault current monitoring, carry out the monitoring and control of feeder switch, there is the telemetry function of remote terminal unit, and there is the ability that fault message catches, coordinate distribution main website/distribution substation (10) to realize automatic fault isolation and the restoring power supply in non-broken-down section of distribution line；
Described carrier communication card (31) electrically connects with described microprocessor (50), it is achieved send signal by stipulations；
Described electric power system also includes electric supply installation, described electric supply installation includes that by 220V alternating current power supply rectification be 24V DC source, again through DC/DC(71) it is powered at microprocessor (50) and carrier communication card (31), on the other hand, charge to accumulator battery (72), when supply unit loses alternating current power supply input, accumulator battery (72) will provide 24V DC source will automatically to microprocessor (50), and accumulator battery (72) is able to maintain that supply unit at least to work fault and is sent to specify higher level's scheduling or more time；
Be also associated with on described microprocessor (50) studying and judging module (51), described in study and judge the upper connection of module (51) and have command and control system platform (52), described command and control system platform (52) also reversely to electrically connect with described distribution main website/distribution substation (10).
nullA kind of electric power system of the quick power transmission of automatic separating fault，It is characterized in that: in described distribution main website/distribution substation (10), main carrier machine (11) is installed、Protocol converter (12)，Described main carrier machine (11) uses model to be DLC-2100 product，Described protocol converter (12) uses model to be the industrial computer of ACP4001，The modulated signal of described each monitoring point output is sent to this distribution main website/distribution substation (10) by power cable，It coupled to described main carrier machine (11)，Modulated signal demodulation is delivered to described protocol converter (12) by this main carrier machine (11)，Realize the conversion of corresponding stipulations，The debugging automated system of periphery it is forwarded to via the terminal unit device in this distribution main website/distribution substation (10)，Or be directly over modem be sent to periphery debugging automated system，Described main carrier machine (11) uses 101 stipulations to gather the signal of described each monitoring point，And deliver to described protocol converter (12) by Multi-serial port，Realize the conversion to CDT stipulations of 101 stipulations.
A kind of electric power system of the quick power transmission of automatic separating fault, it is characterized in that: described fault message release management module (60) includes station exchange (61), communication server (62), database server (63), mobile phone terminal (64), work station (65), reversely physical isolator (66) and WEB server (67), described station exchange (61) is connected with described dispatch data net (40) by microprocessor (50), described mobile phone terminal (64) is connected with station exchange (61) by described database server (63), described work station (65) is connected with station exchange (61), station exchange (61) is connected with WEB server (67) by described reverse physical isolator (66).
A kind of electric power system of the quick power transmission of automatic separating fault, it is characterized in that: modulated signal is coupled to the screen layer of power cable by described inductive coupler (32), described electric power system also includes ring main unit, and described ring main unit is walked around power cable switch cubicle by holding wire bridging mode and realized the connection of signal.
A kind of electric power system of the quick power transmission of automatic separating fault, it is characterized in that: described in study and judge module (51) judges it is distribution main website/distribution substation (10) general headquarters failure factor according to warning message, and navigate to fault section and geographical position thereof；Receive the data that transmitted by described dispatch data net (40) and information, analyze fault cause, and study and judge the information after module (51) will be studied and judged and analyzed and processed described in coordinating and be sent to command and control system platform (52).
A kind of electric power system of the quick power transmission of automatic separating fault, it is characterized in that: described command and control system platform (52) is studied and judged, for reception, information that module (51) transmits and makes next step instruction, and transmission instruction carries out assigning intelligent detector and maintainer reconnaissance at criminal scene, and analyze intelligent detector and the inspection data of maintainer, and analysis result judgement is the cause of warning message at all, and carry out Analysis of Potential, hidden danger inquiry, broken string assistant analysis and the active distribution maintenance and inspection being correlated with.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610558023.3A CN106026404A (en) | 2016-07-15 | 2016-07-15 | Power supply system capable of automatic fault isolation and quick power transmission |
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| CN201610558023.3A CN106026404A (en) | 2016-07-15 | 2016-07-15 | Power supply system capable of automatic fault isolation and quick power transmission |
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| CN106026404A true CN106026404A (en) | 2016-10-12 |
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| CN107528286A (en) * | 2017-07-27 | 2017-12-29 | 北京机械设备研究所 | Internet of Things three phase electric equipment management terminal based on power line carrier, PLC |
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Application publication date: 20161012 |
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