CN107959281A - A kind of meteorological disaster influences line fault method for judging trip - Google Patents
A kind of meteorological disaster influences line fault method for judging trip Download PDFInfo
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- CN107959281A CN107959281A CN201610902075.8A CN201610902075A CN107959281A CN 107959281 A CN107959281 A CN 107959281A CN 201610902075 A CN201610902075 A CN 201610902075A CN 107959281 A CN107959281 A CN 107959281A
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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
- H02H7/262—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 involving transmissions of switching or blocking orders
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The present invention, which discloses a kind of meteorological disaster, influences line fault method for judging trip, includes the following steps：The line fault tripping information of comprehensive EMS system, the protection act and fault localization information, first and second device action information of equipment monitoring system of protection information system, carry out line switching fault trip identification；The periphery weather information of combined circuit shaft tower, overhead line structures GIS spatial informations, line facility Disaster Defense Capability, carry out line fault trip reason analysis；Consider primary equipment action, secondary device action, fault waveform, load loss, power flow transfer and status information of equipment before and after failure, realize that the Trouble Report of line fault tripping automatically generates.The method can quickly be realized fault location, eliminate fault trip erroneous judgement when emergency stop valve trip occurs for power network line；With reference to meteorological disaster information and Disaster Defense Capability of Equipment, there is provided the preliminary analysis of Trouble cause；Comprehensive operation of power networks various information, there is provided failure bulletin automatically generates.
Description
Technical field
The present invention relates to the power grid weather information application system in dispatching automation of electric power systems field, more particularly to a kind of gas
As disaster influences line fault method for judging trip.
Background technology
In power grid actual motion, when emergency stop valve trip occurs for power network line, dispatching of power netwoks operations staff wishes to fixed as early as possible
The position that position failure occurs, there is provided the preliminary analysis of its Trouble cause, races against time to fix a breakdown.
In conventional EMS system, only by the remote signalling displacement of the line switching of EMS system, emergency stop valve trip information, or
Protect protection act information in letter information system and differentiated that the possibility there are wrong report is, it is necessary to exclude manual operation, line maintenance etc.
Operation behavior.
In the analysis of fault trip reason, except overload, short circuit etc., it is also possible to caused by being bad weather.Need to tie
Meteorological disaster information is closed, (icing design thickness, circuit pulling force limit value, line lightning resisting level, circuit are windproof etc. for Disaster Defense Capability of Equipment
Level etc.), GIS spatial informations, overhead line structures information etc., the possible failure cause of comprehensive descision fault trip.
Need to analyze trip reason and fault location after unit trip, this work is related to multiple departments, it is necessary to various things
Therefore tripping information, such as primary equipment action situation, secondary device action situation, fault waveform, load loss situation, power flow transfer
The a series of report such as situation, status information of equipment.Before this, these reports are required to manually make a report on, and take time and effort.And if
By combining the information such as EMS system, protection information system, equipment monitoring system, meteorological system, failure bulletin business is automatically generated
Report, greatly reduces and manually makes a report on workload, improve work efficiency.
The content of the invention
The purpose of the present invention, is that providing a kind of meteorological disaster influences line fault method for judging trip, it can be in power grid
When emergency stop valve trip occurs for circuit, fault location is quickly realized, eliminate fault trip erroneous judgement；Prevent with reference to meteorological disaster information and equipment
Calamity ability, there is provided the preliminary analysis of Trouble cause；Comprehensive operation of power networks various information, there is provided failure bulletin automatically generates.
In order to achieve the above objectives, solution of the invention is：
A kind of meteorological disaster influences line fault method for judging trip, includes the following steps：
Step 1, the line fault tripping information of comprehensive EMS system, the protection act and fault localization of protection information system
Information, first and second device action information of equipment monitoring system, carry out line switching fault trip identification；
Step 2, the periphery weather information of combined circuit shaft tower, overhead line structures GIS spatial informations, line facility are taken precautions against natural calamities energy
Power, carries out line fault trip reason analysis；
Step 3, primary equipment action, secondary device action, fault waveform, load loss, tide before and after failure are considered
Circulation moves and status information of equipment, realizes that the Trouble Report of line fault tripping automatically generates.
In above-mentioned steps 1, the line fault tripping information of EMS system includes fault time, faulty equipment, failure phase, event
Barrier distance and reclosing action situation.
In above-mentioned steps 1, judge whether line switching is manual operation, and criterion is：In telemechanical and the real time information of protection
In, there is line switching sub-gate signal, but without corresponding protection signal, then can determine that the line switching is manual operation；It is no
Then, it is unartificial operation.
In above-mentioned steps 1, judge circuit whether in inspecting state, criterion be：Line switching is changed into a point position, but line from closing position
Way switch both sides disconnecting link is dividing position, differentiates that line switching is then inspecting state at this time, is non-inspecting state otherwise.
In above-mentioned steps 1, judge line facility whether failure, criterion is：When circuit is in unartificial operation, non-maintenance shape
In the case of state, there is line switching protection signal, then can determine that the line switching is fault trip, is non-faulting otherwise
Operating status.
In above-mentioned steps 2, when obtaining weather information, the icing that overhead line structures are obtained by icing on-Line Monitor Device monitors
With microclimate information；By multispectral infrared electric power mountain fire prior-warning device, mountain fire monitoring, alarming identification information, and circuit are obtained
The real-time monitoring information of corona discharge situation；Mountain fire live state information is obtained by polar-orbiting satellite cloud atlas information analysis；Determined by thunder and lightning
Position device obtains lightning monitoring information；Typhoon live state information is obtained by power grid meteorological system.
After using the above scheme, the present invention has technique effect beneficial below：
(a) letter such as the line fault tripping information of comprehensive EMS system, the protection act of protection information system and fault localization
Breath, carries out line switching fault trip identification, and eliminating the erroneous judgements such as manual operation, overhaul of the equipments influences, there is provided its failure produces former
The preliminary analysis of cause, races against time to fix a breakdown.
(b) combined circuit Disaster Defense Capability of Equipment, overhead line structures GIS spatial informations, overhead line structures periphery weather information, it is comprehensive
Judge possible failure cause, analysis meteorological disaster directly affects fault trip, quick and precisely divides for Trouble cause
Analysis provides support.
(c) comprehensive primary equipment action, secondary device action, fault waveform, load loss, power flow transfer, equipment state
The range of information such as information, realize that the Trouble Report of line fault tripping automatically generates, greatly reduce and manually make a report on workload,
Improve work efficiency.
Brief description of the drawings
Fig. 1 is that circuit fault trip differentiates flow chart in the present invention；
Fig. 2 is circuit fault trip reason Meteorological Disaster Analysis flow chart in the present invention.
Embodiment
Below with reference to attached drawing, technical scheme is described in detail.
As shown in Figure 1, the present invention, which provides a kind of meteorological disaster, influences line fault method for judging trip, including following step
Suddenly：
Step 1, the line fault tripping information of comprehensive EMS system, the protection act and fault localization of protection information system
Information, first and second device action information of equipment monitoring system etc., carry out line switching fault trip identification, exclude manual operation
Judged by accident with fault trip caused by line maintenance etc.；Wherein, the line fault tripping information of EMS system, including fault time, event
Hinder the information such as equipment, failure phase, fault distance, reclosing action situation；
In above-mentioned steps 1, if only conjugating data by EMS remote signalling or protecting the possibility that letter data has wrong report.
During identification, if with reference to EMS data and protecting letter data, comprehensive descision unit trip, can avoid the bands such as manual operation, overhaul of the equipments
The wrong report come.As shown in Fig. 1 line fault judging trip flow charts, corresponding related criteria is as follows：
Line switching manual operation criterion：In telemechanical with the real time information of protection, there is line switching sub-gate signal, but nothing
Corresponding protection signal, then can determine that the line switching is manual operation；Otherwise, it is unartificial operation.
Line maintenance state criterion：Line switching is changed into a point position from closing position, but line switching both sides disconnecting link is dividing position, this
When differentiate line switching be then inspecting state, be non-inspecting state otherwise.
Line facility failure criterion：When circuit is in unartificial operation, in the case of non-inspecting state, there is line switching guarantor
Action signal is protected, then can determine that the line switching is fault trip, is non-faulting operating status otherwise.
Step 2, the periphery weather information of combined circuit shaft tower, overhead line structures GIS spatial informations, line facility Disaster Defense Capability
(such as icing design thickness, circuit pulling force limit value, line lightning resisting level, the windproof grade of circuit), it is former to carry out line fault tripping
Because of analysis, whether the comprehensive descision emergency stop valve trip is influenced by the meteorological disaster factor；
When obtaining meteorological disaster relevant information, the icing that overhead line structures can be obtained by icing on-Line Monitor Device monitors
With microclimate information；By multispectral infrared electric power mountain fire prior-warning device, mountain fire monitoring, alarming identification information, and circuit are obtained
The information such as the real-time monitoring of corona discharge situation；Mountain fire live state information is obtained by polar-orbiting satellite cloud atlas information analysis；Pass through thunder and lightning
Positioner obtains lightning monitoring information；Typhoon live state information is obtained by power grid meteorological system.
Step 3, primary equipment action, secondary device action, fault waveform, load loss, tide before and after failure are considered
Circulate the range of information such as shifting, status information of equipment, realizes that the Trouble Report of line fault tripping automatically generates.
Below by taking line fault trips as an example, to analyze the specific implementation process of technical solution of the present invention.
In the weather category that the line fault caused by the meteorological disaster trips, generally have icing, mountain fire, thunder and lightning, typhoon,
Windage yaw, pollution flashover etc..In analyzing due to line fault tripping caused by meteorological disaster, first have to obtain meteorological disaster phase
Close information.The icing information of overhead line structures is obtained by the icing on-Line Monitor Device installed on overhead line structures, including during monitoring
Between, line ice coating thickness, icing type, shaft tower monitoring microclimate information (temperature, humidity, wind speed, wind direction), circuit pulling force etc.；
By the multispectral infrared electric power mountain fire prior-warning device of installation, the monitoring of acquisition mountain fire, mountain fire alarm, mountain fire accurately identify, and
The information such as the real-time monitoring of line corona discharge scenario；Mountain fire live state information is obtained by live polar-orbiting satellite cloud atlas information analysis,
Time, occur position and burnt area；Thunder and lightning is monitored in real time by lighting location device to discharge over the ground time of (dodge), position
Put, the information such as lightning current peak value, polarity, return stroke times；By power grid meteorological system obtain Typhoon Information, including the time, position,
The information such as typhoon track, real-time solar or lunar halo, wind speed and direction, wind intensity, center.
When line failure trips, EMS monitoring systems have alarm signal：Xx divides xx seconds during xx xx month xx day xx,
Xx stations xx switch xx phases divide position, xx stations xx circuits xx protection xx element movements, xx stations xx switches successful reclosing/unsuccessful, and companion
With the voice and siren for having xx emergency stop valve trips, P, Q, U, I of the circuit that trips are 0.
Protection information system has protection act detail, such as：Emergency stop valve trip event, line switching state, fault localization information,
Fault waveform information etc..
When system differentiates, when being collected into switch point position signal, first, it is determined that equipment whether manual operation, decision condition is
Protection has action signal, if unprotect action signal, sentences manual operation, flow terminates；If there is protection signal, next
Judge whether equipment overhauls, decision condition switchs both sides disconnecting link for any action and closing position, if condition is not satisfied, sentences equipment
In maintenance state, flow terminates；If meeting the condition, then judge whether line fault, decision condition trips for route protection
Signal, if condition is not satisfied, judges which other class failure belonged to by signal；If meeting the condition, it is judged as circuit
Failure.
Next step differentiation is carried out with reference to meteorological disaster information, such as Fig. 2 line fault trip reason Meteorological Disaster Analysis flows
Shown in figure, whether line fault tripping is analyzed since meteorological disaster causes：
The position of failure point analyzed according to line fault ranging, combined circuit shaft tower information, analyzes residing for trouble point
Section, i.e. between the shaft tower A to shaft tower B of the circuit.Icing on-line monitoring information is obtained, including, line ice coating thickness
Ice_thick, angle of wind deflection wind_angle, circuit pulling force line_pull；Combined circuit design parameter, including, icing design is thick
Spend design_thick, circuit design pulling force design_pull；Analyse whether to exceed design thickness and pulling force limit value.The meteorology
Whether disaster causes overhead line structures to collapse ground connection, determines whether the fault trip is related to the influence of icing disaster.
It is live with reference to mountain fire using GIS spatial analysis according to the position (latitude and longitude coordinates, lan, lon) of line fault point
Location point and burnt area are monitored, within the specified range distince_delta, whether search has mountain fire, analyzes the failure
Whether tripping is related to the influence of mountain fire disaster.
Using GIS spatial analysis, the line segment on the basis of faulty line, is with line_r (default value is set to 1, adjustable) km
Bandwidth, analyzes the line corridor buffer area S of the circuit；Using fault time as intermediate time, front and rear buffer time 2s, with reference to thunder
Electric location information, inquires about faulty line information such as main discharge amplitude of lightning current I (kA), return stroke times in the S of buffer area, with reference to
The resistance to thunder of overhead line structures is horizontal, whether related to lightning hazards influence analyzes the fault trip.
Typhoon real-time route and solar or lunar halo information before and after acquisition fault trip, utilize GIS spatial analysis, obtain different brackets wind
The shaft tower number of (7 grades, 10 grades, 12 grades etc.) coverage is enclosed, is concentrated in typhoon influence shaft tower, the route lever of combination failure trip-point
Whether related to Impact of Typhoon Disaster the windproof class parameter of tower, analyze the fault trip.
Summary information, in next step will be according to these Automatic generation of information failure bulletins.
System is by relevant informations such as the power grid accessed, meteorology, monitoring of equipment, and according to the template of reservation, (template can determine
System, editable) carry out tissue and show, automatic report generation and snapshot, and store history.Being there is provided in failure bulletin includes EMS systems
System, protect the equipment such as letter system, icing, thunder and lightning, mountain fire, typhoon operation basic information and meteorological disaster information, also includes once setting
Standby action situation, secondary device action situation, fault waveform, load loss situation, power flow transfer situation, status information of equipment etc.
A series of information.
Summary, a kind of meteorological disaster of the present invention influence line fault method for judging trip, consider EMS system
Equipment fault is tripped information in (Energy Management System), protection act information, failure in protection information system
Ranging information, and unit trip is latter, the action behavior of secondary device, carries out line switching fault trip identification, eliminates people
The erroneous judgements such as work operates and line maintenance operates；Meanwhile with reference to operation of power networks information, meteorological disaster information, Disaster Defense Capability of Equipment, line
The reason for line pole tower GIS (Geographic Information System) spatial information, comprehensive analysis line fault trips；
Various information is finally integrated, automatically generates fault trip bulletin information.This method is applied to dispatch automated system or power grid gas
Image information application system, the analysis and distinguishing of line fault trip reason when substantially increasing operation of power networks, to exclude line fault
Race against time.
Above example is merely illustrative of the invention's technical idea, it is impossible to protection scope of the present invention is limited with this, it is every
According to technological thought proposed by the present invention, any change done on the basis of technical solution, each falls within the scope of the present invention
Within.
Claims (6)
1. a kind of meteorological disaster influences line fault method for judging trip, it is characterised in that includes the following steps：
Step 1, the line fault tripping information of comprehensive EMS system, the protection act of protection information system and fault localization information,
First and second device action information of equipment monitoring system, carries out line switching fault trip identification；
Step 2, the periphery weather information of combined circuit shaft tower, overhead line structures GIS spatial informations, line facility Disaster Defense Capability, into
The row line fault trip analysis of causes；
Step 3, primary equipment action before and after failure is considered, secondary device action, fault waveform, load loss, trend turn
Shifting and status information of equipment, realize that the Trouble Report of line fault tripping automatically generates.
2. a kind of meteorological disaster as claimed in claim 1 influences line fault method for judging trip, it is characterised in that：The step
In rapid 1, the line fault tripping information of EMS system includes fault time, faulty equipment, failure phase, fault distance and reclosing
Action situation.
3. a kind of meteorological disaster as claimed in claim 1 influences line fault method for judging trip, it is characterised in that：The step
In rapid 1, judge whether line switching is manual operation, and criterion is：In telemechanical with the real time information of protection, there is line switching point
Lock signal, but without corresponding protection signal, then can determine that the line switching is manual operation；Otherwise, it is unartificial operation.
4. a kind of meteorological disaster as claimed in claim 1 influences line fault method for judging trip, it is characterised in that：The step
In rapid 1, judge circuit whether in inspecting state, criterion be：Line switching is changed into a point position, but line switching both sides disconnecting link from closing position
Dividing position, differentiating that line switching is then inspecting state at this time, be non-inspecting state otherwise.
5. a kind of meteorological disaster as claimed in claim 1 influences line fault method for judging trip, it is characterised in that：The step
In rapid 1, judge line facility whether failure, criterion is：When circuit is in unartificial operation, in the case of non-inspecting state, have
Line switching protection signal, then can determine that the line switching is fault trip, is non-faulting operating status otherwise.
6. a kind of meteorological disaster as claimed in claim 1 influences line fault method for judging trip, it is characterised in that：The step
In rapid 2, when obtaining weather information, icing monitoring and the microclimate information of overhead line structures are obtained by icing on-Line Monitor Device；
By multispectral infrared electric power mountain fire prior-warning device, mountain fire monitoring, alarming identification information, and line corona discharge scenario are obtained
Real-time monitoring information；Mountain fire live state information is obtained by polar-orbiting satellite cloud atlas information analysis；Thunder is obtained by lighting location device
Pyroelectric monitor information；Typhoon live state information is obtained by power grid meteorological system.
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| CN201610902075.8A CN107959281A (en) | 2016-10-17 | 2016-10-17 | A kind of meteorological disaster influences line fault method for judging trip |
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| CN201610902075.8A CN107959281A (en) | 2016-10-17 | 2016-10-17 | A kind of meteorological disaster influences line fault method for judging trip |
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| CN201610902075.8A Withdrawn CN107959281A (en) | 2016-10-17 | 2016-10-17 | A kind of meteorological disaster influences line fault method for judging trip |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108964018A (en) * | 2018-06-11 | 2018-12-07 | 广东电网有限责任公司 | A kind of Distribution Network Failure artificial intelligence analysis method |
| CN111257686A (en) * | 2020-01-15 | 2020-06-09 | 国家电网有限公司 | Intelligent tripping analysis system based on data sharing analysis |
| CN112926668A (en) * | 2021-03-09 | 2021-06-08 | 国网安徽省电力有限公司电力科学研究院 | Multi-source heterogeneous power grid disaster data fusion implementation method |
| CN113052224A (en) * | 2021-03-19 | 2021-06-29 | 国网河南省电力公司电力科学研究院 | Interactive fusion method and system for power and meteorological multi-source data |
| CN113572159A (en) * | 2021-07-28 | 2021-10-29 | 深圳供电局有限公司 | Line trip accident handling system based on power grid regulation and control system knowledge reasoning |
| CN114696467A (en) * | 2022-05-31 | 2022-07-01 | 广东电网有限责任公司佛山供电局 | Method and system for analyzing and processing fault tripping event of high-voltage transmission long line |
| CN113572159B (en) * | 2021-07-28 | 2024-07-02 | 深圳供电局有限公司 | Line tripping accident handling system based on knowledge reasoning of power grid regulation and control system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103278736A (en) * | 2013-04-12 | 2013-09-04 | 南方电网科学研究院有限责任公司 | Method for automatically inquiring and diagnosing and publishing diagnosis result of thunder and lightning of breaker coil |
| CN103424670A (en) * | 2013-08-12 | 2013-12-04 | 国网电力科学研究院武汉南瑞有限责任公司 | Lightning stroke automatic diagnosis system for trip accident of power transmission line |
| CN103728536A (en) * | 2013-12-11 | 2014-04-16 | 国家电网公司 | Multi-source data grid fault identification method |
| CN203798381U (en) * | 2014-01-21 | 2014-08-27 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Power transmission equipment online monitoring system |
| CN106707096A (en) * | 2015-11-17 | 2017-05-24 | 南京南瑞继保电气有限公司 | Multi-source data based grid fault positioning and analysis report automatic generating method |
-
2016
- 2016-10-17 CN CN201610902075.8A patent/CN107959281A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103278736A (en) * | 2013-04-12 | 2013-09-04 | 南方电网科学研究院有限责任公司 | Method for automatically inquiring and diagnosing and publishing diagnosis result of thunder and lightning of breaker coil |
| CN103424670A (en) * | 2013-08-12 | 2013-12-04 | 国网电力科学研究院武汉南瑞有限责任公司 | Lightning stroke automatic diagnosis system for trip accident of power transmission line |
| CN103728536A (en) * | 2013-12-11 | 2014-04-16 | 国家电网公司 | Multi-source data grid fault identification method |
| CN203798381U (en) * | 2014-01-21 | 2014-08-27 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Power transmission equipment online monitoring system |
| CN106707096A (en) * | 2015-11-17 | 2017-05-24 | 南京南瑞继保电气有限公司 | Multi-source data based grid fault positioning and analysis report automatic generating method |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108964018A (en) * | 2018-06-11 | 2018-12-07 | 广东电网有限责任公司 | A kind of Distribution Network Failure artificial intelligence analysis method |
| CN111257686A (en) * | 2020-01-15 | 2020-06-09 | 国家电网有限公司 | Intelligent tripping analysis system based on data sharing analysis |
| CN112926668A (en) * | 2021-03-09 | 2021-06-08 | 国网安徽省电力有限公司电力科学研究院 | Multi-source heterogeneous power grid disaster data fusion implementation method |
| CN113052224A (en) * | 2021-03-19 | 2021-06-29 | 国网河南省电力公司电力科学研究院 | Interactive fusion method and system for power and meteorological multi-source data |
| CN113052224B (en) * | 2021-03-19 | 2022-07-22 | 国网河南省电力公司电力科学研究院 | Interactive fusion method and system for power and meteorological multi-source data |
| CN113572159A (en) * | 2021-07-28 | 2021-10-29 | 深圳供电局有限公司 | Line trip accident handling system based on power grid regulation and control system knowledge reasoning |
| CN113572159B (en) * | 2021-07-28 | 2024-07-02 | 深圳供电局有限公司 | Line tripping accident handling system based on knowledge reasoning of power grid regulation and control system |
| CN114696467A (en) * | 2022-05-31 | 2022-07-01 | 广东电网有限责任公司佛山供电局 | Method and system for analyzing and processing fault tripping event of high-voltage transmission long line |
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Application publication date: 20180424 |
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