CN109377744A - A kind of partial discharge of switchgear data collection system based on FUSION WITH MULTISENSOR DETECTION - Google Patents

A kind of partial discharge of switchgear data collection system based on FUSION WITH MULTISENSOR DETECTION Download PDF

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Publication number
CN109377744A
CN109377744A CN201811566855.5A CN201811566855A CN109377744A CN 109377744 A CN109377744 A CN 109377744A CN 201811566855 A CN201811566855 A CN 201811566855A CN 109377744 A CN109377744 A CN 109377744A
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Prior art keywords
node
cluster
data
switchgear
leader cluster
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CN201811566855.5A
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Chinese (zh)
Inventor
王建
孙帆
魏伟
赵普志
金铭
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Electric Power Research Institute of State Grid Xinjiang Electric Power Co Ltd
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Electric Power Research Institute of State Grid Xinjiang Electric Power Co Ltd
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Priority to CN201811566855.5A priority Critical patent/CN109377744A/en
Publication of CN109377744A publication Critical patent/CN109377744A/en
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    • GPHYSICS
    • G08SIGNALLING
    • G08CTRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C17/00Arrangements for transmitting signals characterised by the use of a wireless electrical link
    • G08C17/02Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/12Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/18Status alarms
    • G08B21/182Level alarms, e.g. alarms responsive to variables exceeding a threshold
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30Services specially adapted for particular environments, situations or purposes
    • H04W4/38Services specially adapted for particular environments, situations or purposes for collecting sensor information
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W40/00Communication routing or communication path finding
    • H04W40/02Communication route or path selection, e.g. power-based or shortest path routing
    • H04W40/04Communication route or path selection, e.g. power-based or shortest path routing based on wireless node resources
    • H04W40/10Communication route or path selection, e.g. power-based or shortest path routing based on wireless node resources based on available power or energy
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W40/00Communication routing or communication path finding
    • H04W40/24Connectivity information management, e.g. connectivity discovery or connectivity update
    • H04W40/32Connectivity information management, e.g. connectivity discovery or connectivity update for defining a routing cluster membership
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02Power saving arrangements
    • H04W52/0203Power saving arrangements in the radio access network or backbone network of wireless communication networks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W84/00Network topologies
    • H04W84/18Self-organising networks, e.g. ad-hoc networks or sensor networks
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00Reducing energy consumption in communication networks
    • Y02D30/70Reducing energy consumption in communication networks in wireless communication networks

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)

Abstract

A kind of partial discharge of switchgear data collection system based on FUSION WITH MULTISENSOR DETECTION, including wireless sensor network, data processing module, data disaply moudle and danger warning module, the wireless sensor network for obtaining the detection signal in switchgear in real time, and the detection signal is transmitted to data processing module and carries out signal denoising and digital conversion process, the data disaply moudle carries out real-time display using variation tendency of the curve form to digital signal, the danger warning module is used to alarm when the variation tendency of the digital signal exceeds secure threshold.The invention has the following beneficial effects: being acquired in real time by sensor group to the detection signal that switchgear generates, reduce the volume of data collection system, and data acquisition efficiency with higher, the detection signal collected is transmitted by wireless sensor network, without being additionally routed, the cost of data collection system is greatly reduced.

Description

A kind of partial discharge of switchgear data collection system based on FUSION WITH MULTISENSOR DETECTION
Technical field
The invention is related to partial discharge of switchgear safety monitoring field, and in particular to one kind is based on FUSION WITH MULTISENSOR DETECTION Partial discharge of switchgear data collection system.
Background technique
Most failures of power equipment are all insulation failures, and electric stress effect causes insulating materials deterioration, mechanical force, Under heat and the collective effect of electric field, degradation defect is eventually developed to as insulation failure.Shelf depreciation is that switchgear is caused to insulate Therefore the main reason for aging and insulation fault, carries out real-time data acquisition by the shelf depreciation to switchgear, observes data Variation tendency, can effectively grasp the real time execution situation of switchgear, and can be to the state of insulation in a period of time later It is predicted, and then takes suitable maintenance and maintenance strategy to provide possibility to according to its insulation status, this supplies guarantee The reliable and stable operation of electric system has great importance.
Summary of the invention
In view of the above-mentioned problems, the present invention is intended to provide a kind of partial discharge of switchgear data based on FUSION WITH MULTISENSOR DETECTION are adopted Collecting system.
The purpose of the invention is achieved through the following technical solutions:
A kind of partial discharge of switchgear data collection system based on FUSION WITH MULTISENSOR DETECTION, including wireless sensor network, Data processing module, data disaply moudle and danger warning module, the wireless sensor network include leader cluster node, convergence section Point and multiple sensor nodes being deployed in switchgear, the sensor node for obtaining the detection letter in switchgear in real time Number, the leader cluster node is used to collect the detection signal of cluster inner sensor node acquisition, and the detection signal is transmitted to remittance The detection signal is transmitted to data processing module by aggregation node by poly- node, and the data processing module is used for reception The detection signal arrived carries out signal denoising, and the detection signal after denoising is converted to digital signal, the data disaply moudle Real-time display is carried out using variation tendency of the curve form to digital signal, and in the variation tendency of the digital signal beyond peace Even danger warning module is alarmed in the form of buzzer and short message when full threshold value.
The invention acquires the detection signal that switchgear generates the utility model has the advantages that passing through sensor group in real time, The volume of data collection system, and data acquisition efficiency with higher are reduced, by wireless sensor network to acquisition Obtained detection signal is transmitted, and without additional wiring, greatly reduces the cost of data collection system.
Detailed description of the invention
Innovation and creation are described further using attached drawing, but the embodiment in attached drawing does not constitute and appoints to the invention What is limited, for those of ordinary skill in the art, without creative efforts, can also be according to the following drawings Obtain other attached drawings.
Fig. 1 is schematic structural view of the invention;
Appended drawing reference:
Wireless sensor network 1;Data processing module 2;Data disaply moudle 3;Danger warning module 4.
Specific embodiment
The invention will be further described with the following Examples.
Referring to Fig. 1, a kind of partial discharge of switchgear data collection system based on FUSION WITH MULTISENSOR DETECTION of the present embodiment, packet Include wireless sensor network 1, data processing module 2, data disaply moudle 3 and danger warning module 4, the wireless sensor network Network 1 includes leader cluster node, aggregation node and multiple sensor nodes being deployed in switchgear, and the sensor node is for real When obtain switchgear in detection signal, the leader cluster node be used for collect cluster inner sensor node acquisition detection signal, and The detection signal is transmitted to aggregation node, the detection signal is transmitted to data processing module 2 by aggregation node, it is described Data processing module 2 is used to carry out signal denoising to the detection signal received, and the detection signal after denoising is converted to number Word signal, the data disaply moudle 3 carry out real-time display using variation tendency of the curve form to digital signal, and described Even danger warning module 4 is reported in the form of buzzer and short message when the variation tendency of digital signal exceeds secure threshold It is alert.
Preferably, the sensor node includes ultrasonic signal sensor, capacitively electric wave signal sensor and spy High Frequency Current Sensor.
Preferably, received detection signal is transmitted to data processing module using GPRS communication mode by the aggregation node 2。
This preferred embodiment acquires the detection signal that switchgear generates by sensor group in real time, reduces data The volume of acquisition system, and data acquisition efficiency with higher, the detection by wireless sensor network to collecting Signal is transmitted, and without additional wiring, greatly reduces the cost of data collection system.
Preferably, threshold value is arranged to the leader cluster node in wireless sensor network 1, when the residual energy magnitude of leader cluster node Less than setting threshold value when, leader cluster node chooses transit node in current cluster, after the completion of transit node is chosen, leader cluster node The detection signal of collection is first transmitted to the transit node, signal will test by the transit node and be transmitted to aggregation node, It specifically includes:
(1) leader cluster node s is setiThreshold value beThenExpression formula are as follows:
In formula, N (si) indicate cluster head node s in each periodiThe energy value of consumption, E0(si) indicate leader cluster node si's Primary power value, T (si) indicate the leader cluster node s being arrangediThe maximum cycle number of place cluster, nG(si) indicate cluster head node siOne The energy value that perception data consumes in a period, nT(si) indicate cluster head node siItself perception data is sent in one cycle The energy value of consumption, nR(si) indicate leader cluster node siThe energy value of data consumption is received in one cycle;
(2) from leader cluster node siTransit node j is elected in the cluster at place, defines the election mechanism of transit node j are as follows:
In formula, e (j) is the residual energy magnitude of sensor node j,For leader cluster node siAverage residual in the cluster of place Energy value, l (si, h) and it is leader cluster node siThe distance between aggregation node, l (j, si) it is sensor node j and leader cluster node siThe distance between, l (j, h) is the distance between sensor node j and aggregation node.
This preferred embodiment is provided with threshold value to the leader cluster node in wireless sensor network, when the residue of leader cluster node Transit node is elected when energy is lower than threshold value in current cluster to mitigate energy of the leader cluster node to aggregation node transmission data Consumption, the threshold value of setting ensure that the residual energy magnitude of leader cluster node can continue to implement cluster head section under the auxiliary of transit node The effect of point, so as to avoid the bring energy consumption of selection again of leader cluster node;In addition, defined transit node chooses machine System, ensure that the transit node of selection from aggregation node and leader cluster node all more recently conditions, residual energy with higher Amount in turn ensures that transit node has to be effectively reduced the energy consumption that data are transmitted between leader cluster node and aggregation node Longer service life.
Preferably, cluster head rotation threshold value is arranged to the leader cluster node in wireless sensor network 1, if cluster head node is surplus Complementary energy magnitude is less than the cluster head rotation threshold value of setting, then cluster head election is re-started in cluster, if leader cluster node siCluster head wheel Changing threshold value isThenCalculation formula are as follows:
In formula, N (si) indicate cluster head node s in each periodiThe energy value of consumption, T (si) indicate the cluster head section being arranged Point siThe maximum cycle number of place cluster, nG(si) indicate cluster head node siThe energy value of perception data consumption in one cycle, nT (si) indicate cluster head node siThe energy value of itself perception data consumption, n are sent in one cycleR(si) indicate leader cluster node si The energy value of data consumption is received in one cycle.
This preferred embodiment is provided with the cluster head rotation threshold value of leader cluster node, heavy after dead compared to traditional leader cluster node The new mechanism for carrying out election of cluster head, this preferred embodiment ensure that the remaining energy of sensor node can guarantee it remaining It still is able to play the effect for obtaining the signal of the detection in switchgear in real time in period, so as to avoid due to leader cluster node death Caused by influence data collection system precision the problem of.
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 (5)

1. a kind of partial discharge of switchgear data collection system based on FUSION WITH MULTISENSOR DETECTION, characterized in that including wireless sensing Device network, data processing module, data disaply moudle and danger warning module, the wireless sensor network include cluster head section Point, aggregation node and multiple sensor nodes being deployed in switchgear, the sensor node for obtaining switchgear in real time Interior detection signal, the leader cluster node is used to collect the detection signal of cluster inner sensor node acquisition, and the detection is believed Number it is transmitted to aggregation node, the detection signal is transmitted to data processing module, the data processing module by aggregation node For carrying out signal denoising to the detection signal received, and the detection signal after denoising is converted into digital signal, the number Real-time display is carried out using variation tendency of the curve form to digital signal according to display module, and in the variation of the digital signal Even danger warning module is alarmed in the form of buzzer and short message when trend exceeds secure threshold.
2. a kind of partial discharge of switchgear data collection system based on FUSION WITH MULTISENSOR DETECTION according to claim 1, It is characterized in, the sensor node includes ultrasonic signal sensor, capacitively electric wave signal sensor and superfrequency electric current Sensor.
3. a kind of partial discharge of switchgear data collection system based on FUSION WITH MULTISENSOR DETECTION according to claim 2, It is characterized in, received detection signal is transmitted to data processing module using GPRS communication mode by the aggregation node.
4. a kind of partial discharge of switchgear data collection system based on FUSION WITH MULTISENSOR DETECTION according to claim 3, It is characterized in, threshold value is arranged to the leader cluster node in wireless sensor network, when the residual energy magnitude of leader cluster node is less than setting Threshold value when, leader cluster node chooses transit node in current cluster, and after the completion of transit node is chosen, leader cluster node is by collection Detection signal is first transmitted to the transit node, will test signal by the transit node and is transmitted to aggregation node, specifically includes:
(1) leader cluster node s is setiThreshold value beThenExpression formula are as follows:
In formula, N (si) indicate cluster head node s in each periodiThe energy value of consumption, E0(si) indicate leader cluster node siIt is initial Energy value, T (si) indicate the leader cluster node s being arrangediThe maximum cycle number of place cluster, nG(si) indicate cluster head node siIn a week The energy value that perception data consumes in phase, nT(si) indicate cluster head node siThe consumption of itself perception data is sent in one cycle Energy value, nR(si) indicate leader cluster node siThe energy value of data consumption is received in one cycle;
(2) from leader cluster node siTransit node j is elected in the cluster at place, defines the election mechanism of transit node j are as follows:
In formula, e (j) is the residual energy magnitude of sensor node j,For leader cluster node siAverage residual energy in the cluster of place Value, l (si, h) and it is leader cluster node siThe distance between aggregation node, l (j, si) it is sensor node j and leader cluster node siIt Between distance, l (j, h) is the distance between sensor node j and aggregation node.
5. a kind of partial discharge of switchgear data collection system based on FUSION WITH MULTISENSOR DETECTION according to claim 4, It is characterized in, cluster head rotation threshold value is arranged to the leader cluster node in wireless sensor network, if the residual energy magnitude of cluster head node Less than the cluster head rotation threshold value of setting, then cluster head election is re-started in cluster, if leader cluster node siCluster head rotation threshold value beThenCalculation formula are as follows:
In formula, N (si) indicate cluster head node s in each periodiThe energy value of consumption, T (si) indicate the leader cluster node s being arrangedi The maximum cycle number of place cluster, nG(si) indicate cluster head node siThe energy value of perception data consumption in one cycle, nT(si) Indicate cluster head node siThe energy value of itself perception data consumption, n are sent in one cycleR(si) indicate leader cluster node si? The energy value of data consumption is received in a cycle.
CN201811566855.5A 2018-12-19 2018-12-19 A kind of partial discharge of switchgear data collection system based on FUSION WITH MULTISENSOR DETECTION Pending CN109377744A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116026403A (en) * 2022-11-09 2023-04-28 国能四川西部能源股份有限公司 Switch cabinet fault early warning method and device, medium and electronic equipment

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102288879A (en) * 2011-04-25 2011-12-21 天津大学 Ultrasonic detection device for partial discharge of switchgear based on wireless network
CN103884970A (en) * 2014-03-25 2014-06-25 上海局放软件技术有限公司 Partial discharge routing inspection device applicable to multiple detection methods
CN103913679A (en) * 2014-03-03 2014-07-09 国联思创(北京)科技有限公司 Online monitoring system for partial discharge of high-voltage switch cabinet
KR101764978B1 (en) * 2015-09-25 2017-08-23 한국전력공사 System and method for detecting partial discharge in ultra high voltage transformer
CN107529201A (en) * 2017-08-29 2017-12-29 武汉中原电子信息有限公司 A kind of wireless sensor network data transmission method based on LEACH agreements

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102288879A (en) * 2011-04-25 2011-12-21 天津大学 Ultrasonic detection device for partial discharge of switchgear based on wireless network
CN103913679A (en) * 2014-03-03 2014-07-09 国联思创(北京)科技有限公司 Online monitoring system for partial discharge of high-voltage switch cabinet
CN103884970A (en) * 2014-03-25 2014-06-25 上海局放软件技术有限公司 Partial discharge routing inspection device applicable to multiple detection methods
KR101764978B1 (en) * 2015-09-25 2017-08-23 한국전력공사 System and method for detecting partial discharge in ultra high voltage transformer
CN107529201A (en) * 2017-08-29 2017-12-29 武汉中原电子信息有限公司 A kind of wireless sensor network data transmission method based on LEACH agreements

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116026403A (en) * 2022-11-09 2023-04-28 国能四川西部能源股份有限公司 Switch cabinet fault early warning method and device, medium and electronic equipment

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Application publication date: 20190222