CN203287478U - Partial discharge online monitoring system for general power cable - Google Patents
Partial discharge online monitoring system for general power cable Download PDFInfo
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- CN203287478U CN203287478U CN2013202993518U CN201320299351U CN203287478U CN 203287478 U CN203287478 U CN 203287478U CN 2013202993518 U CN2013202993518 U CN 2013202993518U CN 201320299351 U CN201320299351 U CN 201320299351U CN 203287478 U CN203287478 U CN 203287478U
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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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
- 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 utility model relates to a partial discharge online monitoring system for a general power cable. Monitoring nodes send partial discharge data to a central node through wireless communication modes such as direct transmission or relay retransmission, the central node sends the received partial discharge data to a data management platform, and thus the long-distance transmission of the partial discharge data is realized. Data is transmitted from the monitoring nodes to the central node and from the central node to the data management platform wirelessly, so that laying of communication cables is not required and the system has the advantages of high reliability, instantaneity and low cost. A UHF sensor is formed on the outer surface of an annular band insulating layer by means of seamless welding, so that the transmission of ultrahigh frequency signals is facilitated, the accuracy of the partial discharge detection is improved, and damage to the original insulation and electric field distribution of an XLPE power cable accessory is prevented. The UHF sensor is a sheet-like sensor and can be cut and installed on site according to the thickness of the XLPE power cable accessory, so that the application range is broad.
Description
Technical field
The utility model relates to a kind of universal electric power cable local discharge on-line monitoring system, belongs to power cable partial discharge monitoring technical field.
Background technology
Compare with the power supply of traditional pole line, the power cable power supply has the advantages such as be not affected by the external environment, save the area, electric property is good.Along with the development of urban distribution network, the utilization rate of power cable improves constantly, and the cable reliability of operation receives the concern of power department.Cause the reason of cable fault a lot, the statistical study of cable operation troubles is found that fault mostly occurs at intermediate head and terminals and the near zone thereof of cable, particularly intermediate head needs field fabrication, making requires high, exist the possibility of accident potential larger, intermediate head becomes the weak link in cable running safety, is the emphasis in the power cable on-line monitoring.
From present on-line monitoring situation to high-tension cable, implementing the partial discharge monitoring technology has become common recognition, effective monitoring power cable key position shelf depreciation, Obtaining Accurate cable status information, improve the cable status required level of service, guarantee cable security, stable operation.There are at present manual inspection, monitoring field bus and three kinds of modes of wireless monitor to check Partial Discharge Data, adopt the mode of manual inspection to need regularly lower to cable duct or tunnel monitoring cable shelf depreciation situation, the mode of this manual inspection wastes time and energy, real-time is poor, and, power cable layer circumstance complication, many zones manually are difficult to directly enter; The monitoring field bus mode generally adopts the communication buss such as CAN, RS232 to gather on-the-spot Partial Discharge Data, the mode of this monitoring field bus needs the another communication line of laying, and cost is higher, and, the power cable layer circumstance complication, communication line can't be separately laid in many zones; The wireless monitor mode, general adopt short-distance wireless communication and patrol and examine the mode of combination or directly adopt the mode of remote wireless transmission, because power cable is laid circumstance complication, some imbedded power cables are dark, the laying scope is wide, when adopting short-distance wireless communication and patrolling and examining the mode of combination, high and the inefficiency of cost of labor, the Partial Discharge Data real-time of collecting is poor, while adopting the remote wireless transmission mode, due to wireless launcher be embedded in underground, so transmit power limited of signal, Partial Discharge Data transmission range and accuracy are poor.
Chinese patent literature CN102096027A discloses a kind of built-in type sensor of power cable partial discharge monitoring, it consists of cushion, ring electrode, stube cable, leading-out terminal, signal condition unit five parts, wherein, described cushion is centered around the outside of electric cable fitting insulation, and the inboard of electric cable fitting insulation does not directly contact with semi-conductive layer; Described ring electrode is centered around the outside of cushion; Described stube cable is connected with ring electrode by impedance matching, is used for connecting ring electrode and leading-out terminal; Described leading-out terminal is fixedly connected with the perforate on the electric cable fitting housing; Described leading-out terminal is connected with the signal condition unit.The ring electrode of above-mentioned patent documentation must be made in advance according to the thickness of the cable accessory that will install in use, and the ring electrode internal diameter is too small else if, can't be socketed installation,, if the ring electrode internal diameter is excessive, also is inconvenient to use.Cause the cable accessory for different thicknesses need to design different ring electrodes, make that the versatility of built-in type sensor of the disclosed electric cable fitting partial discharge monitoring of above-mentioned patent documentation is poor and use cost is high.
The utility model content
Technical problem to be solved in the utility model is that in existing power cable partial discharge monitoring technology, Partial Discharge Data gathers real-time, poor accuracy, cost height and the poor problem of versatility, thereby provide a kind of low cost, the power cable partial discharge monitoring system of high reliability, real-time and high universalizable.
For solving the problems of the technologies described above, the utility model is achieved through the following technical solutions:
A kind of universal electric power cable local discharge on-line monitoring system, comprise monitoring node, Centroid and data management platform; Wherein,
Described monitoring node is arranged on the monitored area of power cable, is used for completing the collection to described monitored area Partial Discharge Data, and described Partial Discharge Data is sent to described Centroid by wireless communication mode;
described monitoring node further comprises the UHF sensor, described UHF sensor is sheet-type sensor, it is formed on the outside surface of the ring-band shape insulation course of XLPE electric cable fitting by seamless welding, wherein, described XLPE electric cable fitting comprises interior semi-conductive layer from inside to outside successively, insulation course and two outer semiconducting layers, form the accommodation section that holds described XLPE power cable core joint in described interior semi-conductive layer, described insulation course ring-type is wrapped in the described interior semi-conductive layer outside, two described outer semiconducting layer ring-types are wrapped in the described insulation course outside and lay respectively at the end of described insulation course, be exposed ring-band shape insulation course between two described outer semiconducting layers,
Described Centroid, receive by wireless communication mode the described Partial Discharge Data that described monitoring node sends, and the described Partial Discharge Data that will receive sends to described data management platform;
Described data management platform, receive and preserve the described Partial Discharge Data that described Centroid sends, and described Partial Discharge Data is processed.
Described Centroid receives the Partial Discharge Data that described monitoring node sends, and the described Partial Discharge Data that will receive sends to described data management platform by mobile communication network.
The Partial Discharge Data that the nearest described monitoring node of the described Centroid of distance will gather directly sends to described Centroid by wireless network; Except other monitoring nodes of the nearest described monitoring node of the described Centroid of distance, the Partial Discharge Data of collection, in turn by the nearer described monitoring node of the described Centroid of adjacent distance, is sent to described Centroid with the form of relay forwarding.
Described monitoring node also comprises Partial Discharge Data acquisition module, a ZigBee module, the first power module; Wherein,
Described Partial Discharge Data acquisition module, be connected with described UHF sensor by outgoing cable, receive the described local discharge signal that described UHF sensor sends, described local discharge signal is processed and obtained Partial Discharge Data, and described Partial Discharge Data is sent to a ZigBee module;
A described ZigBee module, receive the described Partial Discharge Data that described Partial Discharge Data acquisition module sends, and described Partial Discharge Data sent to described Centroid;
Described the first power module is described Partial Discharge Data acquisition module and a described ZigBee module for power supply.
Described Centroid further comprises the 2nd ZigBee module, the first mobile communication module and second source module, wherein,
Described the 2nd ZigBee module, be used for receiving the described Partial Discharge Data that a described ZigBee module sends, and described Partial Discharge Data sent to the first mobile communication module;
Described the first mobile communication module, be used for receiving the described Partial Discharge Data that described the 2nd ZigBee module sends, and described Partial Discharge Data sent to described data management platform;
Described second source module is described the 2nd ZigBee module and described the first mobile communication module for power supply.
Data management platform further comprises the second mobile communication module and processing module, wherein,
The second mobile communication module, be used for receiving the described Partial Discharge Data that described the first mobile communication module sends, and the described Partial Discharge Data that will receive and send to described processing module;
Processing module, be used for receiving described Partial Discharge Data and the processing that described the second mobile communication module sends.
Described mobile communication network is GPRS network.
The exposed ring-band shape insulation course of described XLPE electric cable fitting also is provided with stress-buffer layer, and described UHF sensor ring-type parcel is centered around the outside of described stress-buffer layer.
Also comprise the marine glue belt that is wrapped in two described outer semiconducting layers and described UHF sensor outside surface.
Also be included in described marine glue belt outer setting protection copper shell and be cast in described marine glue belt and space that the inwall of described protection copper shell forms in the waterproof sealing glue-line.
Technique scheme of the present utility model has the following advantages compared to existing technology:
(1) a kind of universal electric power cable local discharge on-line monitoring system described in the utility model, wherein, described monitoring node is arranged on the monitored area of power cable, described monitoring node passes through the wireless communication mode of directly transmission or relay forwarding, described Partial Discharge Data is uploaded to described Centroid, the described Partial Discharge Data that described Centroid will receive sends to data management platform, has realized the long-distance transmissions of described Partial Discharge Data.Underground monitoring node carries out the information transmission by wireless signal, directly send to data management platform by Centroid on the ground, need not any manual inspection, and need not lay the communications cable, make the Partial Discharge Data collection of a plurality of monitoring nodes more convenient, simple, effectively reduce the acquisition cost that Partial Discharge Data gathers, and have advantages of that reliability is high, real-time good.Described UHF sensor in described monitoring node, the form of employing seamless welding is formed on the outside surface of the ring-band shape insulation course of XLPE electric cable fitting, so namely be conducive to the propagation of ultrahigh-frequency signal, in the accuracy that improves monitoring XLPE power cable partial discharge monitoring, can avoid again destroying original insulativity and the Electric Field Distribution of XLPE electric cable fitting.UHF sensor after seamless welding, can effectively avoid corona or suspended discharge phenomenon, can greatly improve the accuracy of XLPE power cable partial discharge monitoring.What is more important, the UHF sensor in the utility model itself is sheet, can cut out and install according to the thickness scene of XLPE electric cable fitting, can greatly easy installation process, increase work efficiency, reduce manufacturing cost and use cost, make versatility greatly strengthen.
(2) a kind of universal electric power cable local discharge on-line monitoring system described in the utility model, adopt the ZigBee module to communicate between described monitoring node and described Centroid, the ZigBee module has low-power consumption, the advantage of free communication, can greatly increase the service time of battery module, and reduce the cost of power cable partial discharge monitoring system.Adopt the GPRS module to communicate between described Centroid and described data management platform, GPRS network has advantages of national seamless coverage, the described Partial Discharge Data that described Centroid can be received is transferred to described data management platform reliably by GPRS network, and is easy to use and expense is extremely low.
(3) a kind of universal electric power cable local discharge on-line monitoring system described in the utility model; the protection copper shell of the outer setting of described marine glue belt and be cast in described marine glue belt and space that the inwall of described protection copper shell forms in the waterproof sealing glue-line, can effectively strengthen extraneous performance and the water resistance of clashing into of UHF sensor opposing.
Description of drawings
For content of the present utility model is more likely to be clearly understood, below in conjunction with accompanying drawing, the utility model is described in further detail, wherein,
Fig. 1 is the structural representation of a kind of universal electric power cable local discharge on-line monitoring system described in the utility model;
Fig. 2 is the structural representation of monitoring node described in the utility model;
Fig. 3 is the structural representation of Centroid described in the utility model;
Fig. 4 is the UHF sensor construction schematic diagram of an embodiment of the utility model.
Semi-conductive layer in Reference numeral 1-XLPE power cable core joint, 2-, 3-insulation course, 4-UHF sensor.
Embodiment
Embodiment 1
A kind of universal electric power cable local discharge on-line monitoring system of an embodiment of the present utility model, as shown in Figure 1, comprise n monitoring node, 1 Centroid and 1 data management platform.Wherein,
N described monitoring node is arranged on n monitored area of power cable, and n described monitoring node, to after the Partial Discharge Data of monitored area gathers separately, sends to described Centroid with described Partial Discharge Data by wireless communication mode.N is greater than or equal to 1 integer.
Shown in Figure 4, described monitoring node further comprises UHF sensor 4, and described UHF sensor 4 is sheet-type sensor, and it is formed on the outside surface of the ring-band shape insulation course 3 of XLPE electric cable fitting by seamless welding.Wherein, described XLPE electric cable fitting comprises interior semi-conductive layer 2, insulation course 3 and two outer semiconducting layers from inside to outside successively, the accommodation section of described XLPE power cable core joint 1 is held in the interior formation of described interior semi-conductive layer 2, described insulation course 3 ring-types are wrapped in described interior semi-conductive layer 2 outsides, two described outer semiconducting layer ring-types are wrapped in described insulation course 3 outsides and lay respectively at the end of described insulation course 3, are exposed ring-band shape insulation course 3 between two described outer semiconducting layers.
Described Centroid, receive by wireless communication mode the described Partial Discharge Data that n described monitoring node sends, and the described Partial Discharge Data that will receive sends to described data management platform.
Described data management platform, receive and preserve the described Partial Discharge Data that described Centroid sends, and described Partial Discharge Data is processed.
A kind of universal electric power cable local discharge on-line monitoring system described in the utility model, wherein, described monitoring node is arranged on the monitored area of power cable.Described monitoring node passes through the wireless communication mode of directly transmission or relay forwarding, described Partial Discharge Data is uploaded to described Centroid, the described Partial Discharge Data that described Centroid will receive sends to data management platform, has realized the long-distance transmissions of described Partial Discharge Data.Underground monitoring node carry out the information transmission by wireless signal fully, directly send to data management platform by Centroid on the ground, need not any manual inspection, and need not lay the communications cable, make the Partial Discharge Data collection of a plurality of monitoring nodes more convenient, simple, effectively reduce the acquisition cost that Partial Discharge Data gathers, and have advantages of that reliability is high, real-time good.Described UHF sensor 4 in described monitoring node, the form of the welding of employing laser seamless or high-power soldering is formed on the outside surface of the ring-band shape insulation course 3 of XLPE electric cable fitting, so namely be conducive to the propagation of ultrahigh-frequency signal, in the accuracy that improves monitoring XLPE power cable partial discharge monitoring, can avoid again destroying original insulativity and the Electric Field Distribution of XLPE electric cable fitting.UHF sensor 4 after seamless welding, can effectively avoid corona or suspended discharge phenomenon, can greatly improve the accuracy of XLPE power cable partial discharge monitoring.What is more important, the UHF sensor 4 in the utility model itself is sheet, can cut out and install according to the thickness scene of XLPE electric cable fitting, can greatly easy installation process, increase work efficiency, reduce manufacturing cost and use cost, make versatility greatly strengthen.
An embodiment as embodiment 1, described monitoring node is arranged on the monitored area of power cable, with the described monitoring node open numbering 1 of the described monitoring node away from described Centroid one end to the end near described Centroid, 2 ... m-1, m, m+1 ... n, n for greater than/equal 1 integer, m for greater than/equal 1 and less than/equal the integer of n.
Described m monitoring node, be used for the Partial Discharge Data collection is carried out in corresponding m monitored area, and the Partial Discharge Data that will collect is with the form transmission of broadcasting.described m monitoring node also receives adjacent described m monitoring node m-1 monitoring node and described m monitoring node+1 Partial Discharge Data that sends, described m monitoring node m-1 monitoring node and described m monitoring node+1 Partial Discharge Data that sends are resolved, obtain the Partial Discharge Data source address, if the corresponding monitoring node of described Partial Discharge Data source address is m+1, described Partial Discharge Data is not forwarded, if the corresponding monitoring node of described Partial Discharge Data source address is m-1, described Partial Discharge Data is carried out relay forwarding with the form of broadcasting.
No. 1 monitoring node is by No. 2 monitoring nodes, described No. 2 monitoring nodes are passing through No. 3 monitoring nodes, described m monitoring node m-1 monitoring node forwards take described m monitoring node as relaying, until n-1 is as relaying, the Partial Discharge Data that all monitoring nodes with 1 to n-2 gather sends to described n monitoring node.
The Partial Discharge Data that the Partial Discharge Data that self node that described Centroid receives that described n monitoring node sends gathers and other monitoring nodes gather, and described Partial Discharge Data is sent to data management platform.
Described data management platform, receive the described Partial Discharge Data that described Centroid sends, and described Partial Discharge Data processed.
The utility model has been realized the long-distance transmissions of described Partial Discharge Data, can substitute manual inspection fully, and need not lay communication line, make the Partial Discharge Data collection of a plurality of monitoring nodes more convenient, simple, effectively reduce the acquisition cost that Partial Discharge Data gathers, and have advantages of that reliability is high, real-time good.
As a kind of embodiment, the Partial Discharge Data that the Partial Discharge Data that self node that described Centroid receives that described monitoring node n sends gathers and other monitoring nodes gather, and the described Partial Discharge Data that will receive sends to described data management platform by mobile communication network.
As shown in Figure 2, as an embodiment of the present utility model, on the basis of above-described embodiment, described monitoring node also comprises Partial Discharge Data acquisition module, a ZigBee module, the first power module.Wherein,
Described Partial Discharge Data acquisition module, be connected with described UHF sensor 4 by outgoing cable, receive the described local discharge signal that described UHF sensor 4 sends, described local discharge signal is processed and obtained Partial Discharge Data, and described Partial Discharge Data is sent to a ZigBee module.
A described ZigBee module, receive the described Partial Discharge Data that described Partial Discharge Data acquisition module sends, and described Partial Discharge Data sent to described Centroid.
Described the first power module is described Partial Discharge Data acquisition module and a described ZigBee module for power supply.
As shown in Figure 3, on the above-mentioned basis of stating embodiment, described Centroid further comprises the 2nd ZigBee module, the first mobile communication module and second source module.
Wherein,
Described the 2nd ZigBee module, be used for receiving the described Partial Discharge Data that a described ZigBee interface sends, and described Partial Discharge Data sent to the first mobile communication module.
Described the first mobile communication module, be used for receiving the described Partial Discharge Data that described the 2nd ZigBee interface sends, and described Partial Discharge Data sent to described data management platform.
Described second source module is described the 2nd ZigBee module and described the first mobile communication module for power supply.
Adopt the ZigBee module to communicate between described monitoring node and described Centroid, the ZigBee module has low-power consumption, the advantage of free communication, can greatly increase the service time of battery module, and reduce the cost of power cable partial discharge monitoring system.
As an embodiment of above-mentioned utility model, on the basis of above-described embodiment, described data management platform further comprises the second mobile communication module and processing module, wherein,
The second mobile communication module, be used for receiving the described Partial Discharge Data that described the first mobile communication module sends.
Processing module, for the treatment of the described Partial Discharge Data of each described monitoring node, described processing comprises that data are preserved, at least a in demonstration in real time, early warning, location.
As a kind of concrete embodiment, the mobile communication network that adopts between described Centroid and described data management platform is GPRS network, GPRS network has advantages of national seamless coverage, the described Partial Discharge Data that described Centroid can be received is transferred to described data management platform reliably by GPRS network, and is easy to use and expense is extremely low.
Embodiment 5
As other embodiments of the present utility model, described universal electric power cable local discharge on-line monitoring system also is provided with stress-buffer layer at the exposed ring-band shape insulation course 3 of described XLPE electric cable fitting, and described UHF sensor 4 ring-type parcels are centered around the outside of described stress-buffer layer.Cause bursting apart of UHF sensor 4 in the time of can effectively avoiding the XLPE electric cable fitting to expand with heat and contract with cold.
As other embodiments of the present utility model, described universal electric power cable local discharge on-line monitoring system also comprises the marine glue belt that is wrapped in two described outer semiconducting layers and described UHF sensor 4 outside surfaces.Make more firm that two described outer semiconducting layers and described UHF sensor 4 be connected with the XLPE electric cable fitting, and have the function of waterproof.
As other embodiments of the present utility model, described universal electric power cable local discharge on-line monitoring system also be included in described marine glue belt outer setting protection copper shell and be cast in described marine glue belt and space that the inwall of described protection copper shell forms in the waterproof sealing glue-line.Can effectively strengthen UHF sensor 4 extraneous performance and the water resistancees of clashing into of opposing.
Obviously, above-described embodiment is only for example clearly is described, and is not the restriction to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give all embodiments exhaustive.And the apparent variation of being extended out thus or change still are among protection domain of the present utility model.
Claims (10)
1. a universal electric power cable local discharge on-line monitoring system, is characterized in that, comprises monitoring node, Centroid and data management platform; Wherein,
Described monitoring node is arranged on the monitored area of power cable, is used for completing the collection to described monitored area Partial Discharge Data, and described Partial Discharge Data is sent to described Centroid by wireless communication mode;
described monitoring node further comprises the UHF sensor, described UHF sensor is sheet-type sensor, it is formed on the outside surface of the ring-band shape insulation course of XLPE electric cable fitting by seamless welding, wherein, described XLPE electric cable fitting comprises interior semi-conductive layer from inside to outside successively, insulation course and two outer semiconducting layers, form the accommodation section that holds described XLPE power cable core joint in described interior semi-conductive layer, described insulation course ring-type is wrapped in the described interior semi-conductive layer outside, two described outer semiconducting layer ring-types are wrapped in the described insulation course outside and lay respectively at the end of described insulation course, be exposed ring-band shape insulation course between two described outer semiconducting layers,
Described Centroid, receive by wireless communication mode the described Partial Discharge Data that described monitoring node sends, and the described Partial Discharge Data that will receive sends to described data management platform;
Described data management platform, receive and preserve the described Partial Discharge Data that described Centroid sends, and described Partial Discharge Data is processed.
2. a kind of universal electric power cable local discharge on-line monitoring system according to claim 1, it is characterized in that, described Centroid receives the Partial Discharge Data that described monitoring node sends, and the described Partial Discharge Data that will receive sends to described data management platform by mobile communication network.
3. a kind of universal electric power cable local discharge on-line monitoring system according to claim 1 and 2, it is characterized in that, the Partial Discharge Data that the nearest described monitoring node of the described Centroid of distance will gather directly sends to described Centroid by wireless network; Except other monitoring nodes of the nearest described monitoring node of the described Centroid of distance, the Partial Discharge Data of collection, in turn by the nearer described monitoring node of the described Centroid of adjacent distance, is sent to described Centroid with the form of relay forwarding.
4. a kind of universal electric power cable local discharge on-line monitoring system according to claim 1 and 2, is characterized in that, described monitoring node also comprises Partial Discharge Data acquisition module, a ZigBee module, the first power module; Wherein,
Described Partial Discharge Data acquisition module, be connected with described UHF sensor by outgoing cable, receive the described local discharge signal that described UHF sensor sends, described local discharge signal is processed and obtained Partial Discharge Data, and described Partial Discharge Data is sent to a ZigBee module;
A described ZigBee module, receive the described Partial Discharge Data that described Partial Discharge Data acquisition module sends, and described Partial Discharge Data sent to described Centroid;
Described the first power module is described Partial Discharge Data acquisition module and a described ZigBee module for power supply.
5. a kind of universal electric power cable local discharge on-line monitoring system according to claim 4, is characterized in that, described Centroid further comprises the 2nd ZigBee module, the first mobile communication module and second source module, wherein,
Described the 2nd ZigBee module, be used for receiving the described Partial Discharge Data that a described ZigBee module sends, and described Partial Discharge Data sent to the first mobile communication module;
Described the first mobile communication module, be used for receiving the described Partial Discharge Data that described the 2nd ZigBee module sends, and described Partial Discharge Data sent to described data management platform;
Described second source module is described the 2nd ZigBee module and described the first mobile communication module for power supply.
6. a kind of universal electric power cable local discharge on-line monitoring system according to claim 5, is characterized in that, data management platform further comprises the second mobile communication module and processing module, wherein,
The second mobile communication module, be used for receiving the described Partial Discharge Data that described the first mobile communication module sends, and the described Partial Discharge Data that will receive and send to described processing module;
Processing module, be used for receiving described Partial Discharge Data and the processing that described the second mobile communication module sends.
7. a kind of universal electric power cable local discharge on-line monitoring system according to claim 2, is characterized in that, described mobile communication network is GPRS network.
8. a kind of universal electric power cable local discharge on-line monitoring system according to claim 1, it is characterized in that, the exposed ring-band shape insulation course of described XLPE electric cable fitting also is provided with stress-buffer layer, and described UHF sensor ring-type parcel is centered around the outside of described stress-buffer layer.
9. a kind of universal electric power cable local discharge on-line monitoring system according to claim 1, is characterized in that, also comprises the marine glue belt that is wrapped in two described outer semiconducting layers and described UHF sensor outside surface.
10. a kind of universal electric power cable local discharge on-line monitoring system according to claim 9; it is characterized in that, also be included in described marine glue belt outer setting protection copper shell and be cast in described marine glue belt and space that the inwall of described protection copper shell forms in the waterproof sealing glue-line.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104061999A (en) * | 2014-07-08 | 2014-09-24 | 国家电网公司 | Partial discharge locating detection device of distribution transformer |
| CN106646156A (en) * | 2016-11-30 | 2017-05-10 | 国网河南省电力公司滑县供电公司 | Power cable partial discharge online monitoring system |
| CN106771933A (en) * | 2017-01-23 | 2017-05-31 | 天津大学 | Power cable shelf depreciation high frequency electric monitoring system based on wireless network |
| CN109917235A (en) * | 2019-04-22 | 2019-06-21 | 广东电网有限责任公司 | A kind of cable slack layer electric conductivity defect inspection method |
-
2013
- 2013-05-28 CN CN2013202993518U patent/CN203287478U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104061999A (en) * | 2014-07-08 | 2014-09-24 | 国家电网公司 | Partial discharge locating detection device of distribution transformer |
| CN106646156A (en) * | 2016-11-30 | 2017-05-10 | 国网河南省电力公司滑县供电公司 | Power cable partial discharge online monitoring system |
| CN106771933A (en) * | 2017-01-23 | 2017-05-31 | 天津大学 | Power cable shelf depreciation high frequency electric monitoring system based on wireless network |
| CN109917235A (en) * | 2019-04-22 | 2019-06-21 | 广东电网有限责任公司 | A kind of cable slack layer electric conductivity defect inspection method |
| CN109917235B (en) * | 2019-04-22 | 2021-06-25 | 广东电网有限责任公司 | Method for detecting conductivity defect of cable buffer layer |
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