CN109103992A - Transmission line of electricity applied to smart grid reliably monitors system in real time - Google Patents
Transmission line of electricity applied to smart grid reliably monitors system in real time Download PDFInfo
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- CN109103992A CN109103992A CN201811245132.5A CN201811245132A CN109103992A CN 109103992 A CN109103992 A CN 109103992A CN 201811245132 A CN201811245132 A CN 201811245132A CN 109103992 A CN109103992 A CN 109103992A
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 60
- 230000005611 electricity Effects 0.000 title claims abstract description 28
- 230000002776 aggregation Effects 0.000 claims abstract description 34
- 238000004220 aggregation Methods 0.000 claims abstract description 34
- 238000012544 monitoring process Methods 0.000 claims abstract description 18
- 238000004458 analytical method Methods 0.000 claims abstract description 16
- 230000006855 networking Effects 0.000 claims abstract description 4
- 230000008447 perception Effects 0.000 claims abstract description 4
- 238000004891 communication Methods 0.000 claims description 15
- 230000000295 complement effect Effects 0.000 claims description 2
- 230000006870 function Effects 0.000 claims description 2
- 230000007246 mechanism Effects 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
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- 230000001105 regulatory effect Effects 0.000 description 1
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Classifications
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- H02J13/0086—
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/38—Services specially adapted for particular environments, situations or purposes for collecting sensor information
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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
-
- 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
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
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Abstract
The present invention provides the transmission lines of electricity for being applied to smart grid reliably to monitor system, including monitoring subsystem and anomaly analysis terminal in real time；The monitoring subsystem includes the node of the networking by way of wireless sensor network multi-hop, and node includes sensor node and aggregation node, and sensor node is monitored perception to transmission line of electricity, and the transmission line parameter information of acquisition is sent to aggregation node；The aggregation node converges the transmission line parameter information that each sensor node is sent, and anomaly analysis terminal is forwarded to after being handled；Anomaly analysis terminal is alarmed for the transmission line parameter information that aggregation node is sent to be analyzed and processed and shown in transmission line parameter Information abnormity.The present invention realizes the remote real time monitoring of transmission line of electricity using wireless sensor network technology.
Description
Technical field
The present invention relates to transmission line of electricity monitoring technical fields, and in particular to the transmission line of electricity applied to smart grid in real time may be used
By monitoring system.
Background technique
As industrialization, Development of China's Urbanization are constantly accelerated, electricity needs sustainable growth, a strong, reliable modernization
Bulk power grid optimizes energy source configuration in a wider context, has irreplaceable role for ensureing national energy security.Construction tool
Information-based, digitlization, the smart grid for automating feature are the guarantees of safe, reliable, efficient transmission of electricity, are power science development
Direction, be also even more important to the monitoring of power grid.Transmission line of electricity as power Transmission tie have dispersibility big, distance,
It is difficult to the features such as making an inspection tour and safeguarding, therefore a urgent job is become to the long-range monitoring of transmission line of electricity.
Summary of the invention
In view of the above-mentioned problems, the present invention is provided reliably monitors system applied to the transmission line of electricity of smart grid in real time.
The purpose of the present invention is realized using following technical scheme:
It provides and reliably monitors system, including monitoring subsystem and abnormal point in real time applied to the transmission line of electricity of smart grid
Analyse terminal.
Monitoring subsystem includes the node of the networking by way of wireless sensor network multi-hop, and node includes sensor section
Point and aggregation node, wherein sensor node is monitored perception to transmission line of electricity, and by the transmission line parameter information of acquisition
It is sent to aggregation node；Aggregation node converges the transmission line parameter information that each sensor node is sent, and forwards after being handled
To anomaly analysis terminal.
Anomaly analysis terminal for the transmission line parameter information that aggregation node is sent to be analyzed and processed and is shown, and
It alarms in transmission line parameter Information abnormity.
Preferably, the anomaly analysis terminal includes data processor and display, and the data processor is defeated by what is received
Electric line parameter information is compared with the secure threshold of corresponding setting, exports comparison result, and be compared knot by display
Fruit shows.
The invention has the benefit that can real-time remote monitoring transmission line of electricity temperature, voltage, electric current, the correlations such as tension
Physical parameter value, avoids the trouble of wiring and monitoring accuracy is high.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings, but the embodiment in attached drawing is not constituted to any limit of the invention
System, for those of ordinary skill in the art, without creative efforts, can also obtain according to the following drawings
Other attached drawings.
The transmission line of electricity that Fig. 1 one embodiment of the invention is applied to smart grid reliably monitors the structural representation of system in real time
Block diagram；
Fig. 2 is the block diagram representation of the anomaly analysis terminal of one embodiment of the invention.
Appended drawing reference:
Monitoring subsystem 1, anomaly analysis terminal 2, alarm 3, data processor 10, display 20.
Specific embodiment
The invention will be further described with the following Examples.
Referring to Fig. 1, the transmission line of electricity provided in this embodiment applied to smart grid reliably monitors system, including prison in real time
Survey subsystem 1 and anomaly analysis terminal 2.
Monitoring subsystem 1 includes the node of the networking by way of wireless sensor network multi-hop, and node includes sensor
Node and aggregation node, sensor node is monitored perception to transmission line of electricity, and the transmission line parameter information of acquisition is sent out
It send to aggregation node.
Aggregation node converges the transmission line parameter information that each sensor node is sent, and abnormal point is forwarded to after being handled
Analyse terminal 2.
Anomaly analysis terminal 2 for the transmission line parameter information that aggregation node is sent to be analyzed and processed and is shown,
And it alarms in transmission line parameter Information abnormity.
Wherein, the transmission line parameter information includes tension, temperature, the voltage and current of current line.
In one embodiment, as shown in Fig. 2, anomaly analysis terminal 2 includes data processor 10 and display 20, the number
The transmission line parameter information received is compared with the secure threshold of corresponding setting according to processor 10, exports comparison result,
And it is compared as the result is shown by display 20.Display 20 is also used to real-time display transmission line parameter information, thus for prison
The status information of survey personnel's real time inspection transmission line of electricity.
Optionally, applied to the transmission line of electricity of smart grid, reliably monitoring system further includes connecting with data processor 10 in real time
The alarm 3 connect, when secure threshold of the transmission line parameter information beyond corresponding setting, the driving of data processor 10 report
Alert device 3 is alarmed.
Wherein, the alarm 30 includes buzzer siren or combined aural and visual alarm, and the present embodiment is not construed as limiting this.
The above embodiment of the present invention can real-time remote monitoring transmission line of electricity temperature, voltage, electric current, the related physicals such as tension
Parameter value, avoids the trouble of wiring and monitoring accuracy is high.
When netinit, sensor node receives the broadcast message of aggregation node, and it is general to carry out network by broadcast message
Flood, sensor node add all neighbor nodes to the neighbor table of itself, and determine that itself arrives the routing mode of aggregation node,
Middle neighbor node is the other sensors node in sensor node communication range；The determination itself arrives aggregation node
Routing mode, comprising: when sensor node meets directly forwarding condition, be directly sent to the transmission line parameter information of acquisition
Aggregation node selects a neighbor node as next-hop node if being unsatisfactory for direct forwarding condition from its neighbor table, will
The transmission line parameter information of acquisition is sent to next-hop node；
The wherein direct forwarding condition are as follows:
In formula, WiFor the current remaining of sensor node i, Wip0For p-th neighbor node of sensor node i
Current remaining, niFor the neighbor node quantity of sensor node i, WminFor preset energy lower limit value；H (i, sink) is
Distance of the sensor node i to aggregation node, HminFor the adjustable minimal communications distance of sensor node, HmaxFor sensor node
Adjustable maximum communication distance,For value function, as H (i, sink)-When,When
When,
The present embodiment is based on two factors of energy and distance and creatively sets direct forwarding condition, sensor node root
The routing mode of aggregation node is determined according to direct forwarding condition itself whether is met, specifically: sensor node meets straight
When switching through clockwork spring part, the transmission line parameter information of acquisition is directly sent to aggregation node, if being unsatisfactory for direct forwarding condition,
It then selects a neighbor node as next-hop node from its neighbor table, the transmission line parameter information of acquisition is sent to down
One hop node.
Sensor node determines routing mode according to the direct forwarding condition in the present embodiment, has ensured the flexible of routing
Property, and be conducive to improve the reliability that transmission line parameter information is sent to aggregation node, reduce packet loss.
In one embodiment, sensor node selects a neighbor node as next-hop node from its neighbor table,
Include:
(1) sensor node each neighbor node into its neighbor table sends election contest message, and any neighbor node is receiving
The waiting time is calculated after the election contest message:
In formula, XijIndicate the waiting time that j-th of neighbor node of sensor node i calculates, WijIt is adjacent for described j-th
Occupy the current remaining of node, WijoFor the primary power of j-th of neighbor node, H (j, sink) is adjacent described j-th
Node is occupied to the distance of aggregation node, H (i, sink) is distance of the sensor node i to aggregation node, X1It is based on to be preset
The waiting time of energy, X2For the preset waiting time based on distance；
(2) any neighbor node j waits XijAfterwards, feedback message is sent to sensor node i；
(3) sensor node i is using neighbor node corresponding to receive first feedback message as next-hop node.
The present embodiment proposes the selection mechanism of next-hop node, is based on the mechanism, sensor node is from its neighbor table
When selecting a neighbor node as next-hop node, election contest message is sent to each neighbor node, and to receive neighbor node
The time sequencing of feedback message determines next-hop node.
Wherein by the design of waiting time, the waiting time of neighbor node can be controlled in a reasonable range
It is interior, and enable to dump energy more and there is the shorter waiting time apart from the closer neighbor node of aggregation node, from
And the next-hop node for making the neighbor node that there is bigger probability to serve as sensor node, to improve transmission line parameter letter
Cease the reliability of multi-hop transmission.
The present embodiment voluntarily collects each neighbours' section by voluntarily calculating the waiting time by neighbor node, without sensor node
The information of point, saves the energy consumption of sensor node, and be beneficial to improve the efficiency of determining next-hop node.
In one embodiment, sensor node periodically calculates its communication distance threshold value according to current remaining, works as meter
When the communication distance threshold value of calculation is less than it at a distance from next-hop node, sensor node is being less than the communication with its distance again
Next-hop node is selected in the neighbor node of distance threshold；Wherein, the calculation formula of communication distance threshold value is set are as follows:
In formula, Hp(t) the communication distance threshold value calculated for sensor node p t-th of period, HminFor sensor node
Adjustable minimal communications distance, HmaxFor the adjustable maximum communication distance of sensor node, WpFor the current surplus of sensor node p
Complementary energy, Wi0For the primary power of sensor node i, r is preset apart from regulatory factor, the value range of r be [0.85,
0.95]。
Sensor node periodically calculates its communication distance threshold value according to current remaining in the present embodiment, when its with it is next
When the distance of hop node is greater than the communication distance threshold value, closer neighbor node is reselected as next-hop node.Wherein, weight
Newly select closer neighbor node as the mode of next-hop node, the selection mechanism of next-hop node based on the above embodiment
It carries out.
The present embodiment enables to sensor node when energy is lower, selects the next-hop node being closer to hold in time
The carrying on a shoulder pole relay forwarding of the task, advantageously reduces the energy that transmission line parameter information is sent to next-hop node by sensor node
Consumption, to reduce the rate of sensor node consumption energy.
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than the present invention is protected
The limitation of range is protected, although explaining in detail referring to preferred embodiment to the present invention, those skilled in the art are answered
Work as understanding, it can be with modification or equivalent replacement of the technical solution of the present invention are made, without departing from the reality of technical solution of the present invention
Matter and range.
Claims (6)
1. the transmission line of electricity for being applied to smart grid reliably monitors system in real time, characterized in that including monitoring subsystem and exception
Analysing terminal；The monitoring subsystem includes the node of the networking by way of wireless sensor network multi-hop, and node includes passing
Sensor node and aggregation node, sensor node is monitored perception to transmission line of electricity, and the transmission line parameter of acquisition is believed
Breath is sent to aggregation node；The aggregation node converges the transmission line parameter information that each sensor node is sent, and is handled
After be forwarded to anomaly analysis terminal；Anomaly analysis terminal is for analyzing the transmission line parameter information that aggregation node is sent
Processing and display, and alarm in transmission line parameter Information abnormity.
2. the transmission line of electricity according to claim 1 applied to smart grid reliably monitors system in real time, characterized in that institute
Stating anomaly analysis terminal includes data processor and display, the data processor by the transmission line parameter information received with it is right
The secure threshold that should be set is compared, and exports comparison result, and be compared as the result is shown by display.
3. the transmission line of electricity according to claim 2 applied to smart grid reliably monitors system in real time, characterized in that also
It is described when secure threshold of the transmission line parameter information beyond corresponding setting including the alarm being connect with data processor
Data processor driving alarm is alarmed.
4. the transmission line of electricity according to claim 1 applied to smart grid reliably monitors system in real time, characterized in that institute
State the tension that transmission line parameter information includes current line, temperature, voltage and current.
5. the transmission line of electricity according to claim 1 applied to smart grid reliably monitors system in real time, characterized in that net
When network initializes, sensor node receives the broadcast message of aggregation node, carries out network flood, sensor section by broadcast message
Point adds all neighbor nodes to the neighbor table of itself, and determines that itself arrives the routing mode of aggregation node, wherein neighbor node
For the other sensors node in sensor node communication range；The routing mode of aggregation node is arrived in the determination itself,
When including: that sensor node meets directly forwarding condition, the transmission line parameter information of acquisition is directly sent to aggregation node,
If being unsatisfactory for direct forwarding condition, select a neighbor node as next-hop node from its neighbor table, by the defeated of acquisition
Electric line parameter information is sent to next-hop node；
The wherein direct forwarding condition are as follows:
In formula, WiFor the current remaining of sensor node i, Wip0It is remained for the current of p-th of neighbor node of sensor node i
Complementary energy, niFor the neighbor node quantity of sensor node i, WminFor preset energy lower limit value；H (i, sink) is sensor
Distance of the node i to aggregation node, HminFor the adjustable minimal communications distance of sensor node, HmaxIt is adjustable for sensor node
Maximum communication distance,For value function, when
When,WhenWhen,
6. the transmission line of electricity according to claim 5 applied to smart grid reliably monitors system in real time, characterized in that pass
Sensor node selects a neighbor node as next-hop node from its neighbor table, comprising:
(1) sensor node each neighbor node into its neighbor table sends election contest message, any neighbor node receive it is described
The waiting time is calculated after election contest message:
In formula, XijIndicate the waiting time that j-th of neighbor node of sensor node i calculates, WijFor j-th of neighbor node
Current remaining, WijoFor the primary power of j-th of neighbor node, H (j, sink) is j-th of neighbor node
To the distance of aggregation node, H (i, sink) is distance of the sensor node i to aggregation node, X1To be preset based on energy
Waiting time, X2For the preset waiting time based on distance；
(2) any neighbor node j waits XijAfterwards, feedback message is sent to sensor node i；
(3) sensor node i is using neighbor node corresponding to receive first feedback message as next-hop node.
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| CN201811245132.5A CN109103992B (en) | 2018-10-24 | 2018-10-24 | Power transmission line real-time reliable monitoring system applied to smart power grid |
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| CN201811245132.5A CN109103992B (en) | 2018-10-24 | 2018-10-24 | Power transmission line real-time reliable monitoring system applied to smart power grid |
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Effective date of registration: 20200401 Address after: Luohu District Shenzhen Shennan Road 518000 No. 4020 Guangdong provincial power dispatching center building Applicant after: SHENZHEN POWER SUPPLY BUREAU Co.,Ltd. Address before: 518000 Wedo Space G61, M6 Second Floor, Zhonggang Building, No. 8 Kewen Road, Yuehai Street, Nanshan District, Shenzhen City, Guangdong Province Applicant before: SHENZHEN MEITEYOU TECHNOLOGY Co.,Ltd. |
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