CN203275579U - On-line monitoring system of power cable partial discharge - Google Patents
On-line monitoring system of power cable partial discharge Download PDFInfo
- Publication number
- CN203275579U CN203275579U CN 201320299233 CN201320299233U CN203275579U CN 203275579 U CN203275579 U CN 203275579U CN 201320299233 CN201320299233 CN 201320299233 CN 201320299233 U CN201320299233 U CN 201320299233U CN 203275579 U CN203275579 U CN 203275579U
- Authority
- CN
- China
- Prior art keywords
- partial discharge
- module
- discharge data
- data
- centroid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000012544 monitoring process Methods 0.000 title claims abstract description 110
- 238000013523 data management Methods 0.000 claims abstract description 30
- 238000004891 communication Methods 0.000 claims abstract description 22
- 238000010295 mobile communication Methods 0.000 claims description 31
- 238000009413 insulation Methods 0.000 claims description 18
- 238000012545 processing Methods 0.000 claims description 7
- 239000004703 cross-linked polyethylene Substances 0.000 claims description 6
- 229920003020 cross-linked polyethylene Polymers 0.000 claims description 6
- 238000007726 management method Methods 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 230000008676 import Effects 0.000 claims description 5
- 230000004308 accommodation Effects 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 15
- 238000007689 inspection Methods 0.000 abstract description 7
- 238000013480 data collection Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 2
- 230000009365 direct transmission Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
Images
Landscapes
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
- Testing Relating To Insulation (AREA)
Abstract
The utility model relates to an on-line monitoring system of power cable partial discharge, wherein monitoring nodes are disposed in a monitoring area of a power cable. The monitoring nodes upload partial discharge data to a central node through wireless communication methods of direct transmission or relay transmitting. The central node sends received partial discharge data to a data management platform, thereby realizing remote transmission of the partial discharge data. Underground monitoring nodes perform information transmission through wireless signals. On the ground, signals are directly sent to the data management platform through the central node. Any manual inspection is not needed, and communication cables are not needed, so that partial discharge data collection of a plurality of monitoring nodes is more convenient and simpler, collection cost of partial discharge data collection is effectively reduced, and the system is advantaged by high reliability and good instantaneity.
Description
Technical field
The utility model relates to a kind of power cable partial discharge 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, when 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 relatively poor.
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, the problem that cost is high, thereby provide a kind of low cost, the power cable partial discharge monitoring system of high reliability and real-time.
For solving the problems of the technologies described above, the utility model is achieved through the following technical solutions:
A kind of power cable partial discharge monitoring system 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 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 receives and preserves the described Partial Discharge Data that described Centroid sends, and described Partial Discharge Data is processed.
Described Centroid is arranged on the cable shaft import and export, and 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 nearest described monitoring node of the described Centroid of distance directly sends to described Centroid with the Partial Discharge Data that gathers; 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 further comprises local discharge sensor, Partial Discharge Data acquisition module, a ZigBee module, the first power module, wherein,
Described local discharge sensor is used for the local discharge signal of the above monitored area of monitoring power cable, and described local discharge signal is sent to the Partial Discharge Data acquisition module;
Described Partial Discharge Data acquisition module receives the described local discharge signal that described local discharge sensor sends, and described local discharge signal is processed obtained Partial Discharge Data, and described Partial Discharge Data is sent to a ZigBee module;
A described ZigBee module receives the described Partial Discharge Data that described Partial Discharge Data acquisition module sends, and described Partial Discharge Data is 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 is used for receiving the described Partial Discharge Data that a described ZigBee module sends, and described Partial Discharge Data is sent to the first mobile communication module;
Described the first mobile communication module is used for receiving the described Partial Discharge Data that described the 2nd ZigBee module sends, and described Partial Discharge Data is 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 is used for receiving the described Partial Discharge Data that described the first mobile communication module sends;
Processing module is for the treatment of the described Partial Discharge Data of each described monitoring node collection.
Described mobile communication network is GPRS network.
Described the first power module further comprises the first power management module, and described the first power management module comprises for the rectification unit of regulated output voltage with for the overvoltage protective unit that guarantees power supply stable operation under superpotential or lightning impulse voltage.
Described second source module further comprises the second source administration module, and described second source administration module comprises for the rectification unit of regulated output voltage with for the overvoltage protective unit that guarantees power supply stable operation under superpotential or lightning impulse voltage.
Described local discharge sensor is the UHF sensor, and described UHF sensor 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, insulation course and two outer semiconducting layers from inside to outside successively, form the accommodation section that holds described cable splice in described interior semi-conductive layer, described insulation course ring-type is wrapped in outside described interior semi-conductive layer, 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, are exposed ring-band shape insulation course between two described outer semiconducting layers; Outgoing cable, an end is connected with described UHF sensor, and the other end is connected with leading-out terminal.
Technique scheme of the present utility model has the following advantages compared to existing technology:
(1) a kind of power cable partial discharge monitoring described in the utility model system, 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.
(2) a kind of power cable partial discharge monitoring described in the utility model system, described Centroid is arranged on the cable shaft import and export, in order to guarantee that described Centroid sending/receiving zone can effectively be covered by described mobile communication network, improve the transmission success efficient of described Partial Discharge Data.Described mobile communication network is for providing the wireless communication networks of seamless coverage.
(3) a kind of power cable partial discharge monitoring described in the utility model system, 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.
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 power cable partial discharge monitoring described in the utility model system;
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.
Embodiment
Embodiment 1
A kind of power cable partial discharge monitoring system of an embodiment of the present utility model as shown in Figure 1, comprises 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 sends to described Centroid with described Partial Discharge Data by wireless communication mode to after the Partial Discharge Data of monitored area gathers separately; N is greater than or equal to 1 integer.
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 receives and preserves the described Partial Discharge Data that described Centroid sends, and described Partial Discharge Data is processed.
A kind of power cable partial discharge monitoring described in the utility model system, 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.
An embodiment as embodiment 1, described monitoring node is arranged on the monitored area of power cable, with away from the described monitoring node of described Centroid one end to the described monitoring node open numbering 1 near an end of 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 monitoring node m is used for the Partial Discharge Data collection is carried out in corresponding m monitored area, and the Partial Discharge Data that the collects form with broadcasting is sent.Described monitoring node m also receives the Partial Discharge Data that adjacent described monitoring node m-1 and described monitoring node m+1 send, the Partial Discharge Data that described monitoring node m-1 and described monitoring node m+1 send is 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.
Described monitoring node 1 is by described monitoring node 2, described monitoring node 2 is passing through described monitoring node 3, described monitoring node m-1 forwards take described monitoring node m 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 monitoring node n.
Described Centroid is arranged on the cable shaft import and export, the Partial Discharge Data that the Partial Discharge Data that self node that receives that described monitoring node n sends gathers and other monitoring nodes gather, and described Partial Discharge Data is sent to data management platform.
Described data management platform receives the described Partial Discharge Data that described Centroid sends, and described Partial Discharge Data is 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.Wherein, described Centroid is arranged on the cable shaft import and export, can effectively be covered by described mobile communication network in order to guarantee described Centroid sending/receiving zone, improves the transmission success efficient of described Partial Discharge Data.Described mobile communication network is for providing the wireless communication networks of seamless coverage.
Embodiment 2
As shown in Figure 2, take the m monitoring node as example, illustrate on the basis of described embodiment 1, the described monitoring node in embodiment 1 further comprises local discharge sensor, Partial Discharge Data acquisition module, a ZigBee module and the first power module.
Wherein,
Described local discharge sensor is used for the local discharge signal of monitoring power cable the above monitored area and described local discharge signal is sent to the Partial Discharge Data acquisition module.
Described Partial Discharge Data acquisition module receives the described local discharge signal that described local discharge sensor sends, and described local discharge signal is processed obtained Partial Discharge Data, and described Partial Discharge Data is sent to a ZigBee module.
A described ZigBee module receives the described Partial Discharge Data that described Partial Discharge Data acquisition module sends, and described Partial Discharge Data is sent; Described node m receives the Partial Discharge Data of described monitoring node m-1 and described monitoring node m+1 transmission, the Partial Discharge Data that described monitoring node m-1 and described monitoring node m+1 send is 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.
Described the first power module is described Partial Discharge Data acquisition module and a described ZigBee module for power supply.
As a kind of concrete embodiment; described the first power module further comprises the first power management module, and described the first power management module comprises for the rectification unit of regulated output voltage with for the overvoltage protective unit that guarantees power supply stable operation under superpotential or lightning impulse voltage.
Embodiment 3
As shown in Figure 3, on the basis of described embodiment 1, described Centroid further comprises the 2nd ZigBee module, the first mobile communication module and second source module.
Wherein,
Described the 2nd ZigBee module is used for receiving the described Partial Discharge Data that a described ZigBee interface sends, and described Partial Discharge Data is sent to the first mobile communication module.
Described the first mobile communication module is used for receiving the described Partial Discharge Data that described the 2nd ZigBee interface sends, and described Partial Discharge Data is 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 a kind of concrete embodiment; described second source module further comprises the second source administration module, and described second source administration module comprises for the rectification unit of regulated output voltage with for the overvoltage protective unit that guarantees power supply stable operation under superpotential or lightning impulse voltage.
Embodiment 4
As the embodiment of embodiment 1, data management platform further comprises the second mobile communication module and processing module, wherein,
The second mobile communication module is 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.
As a kind of concrete embodiment, the described local discharge sensor in above-described embodiment is the UHF sensor, and described UHF sensor 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, insulation course and two outer semiconducting layers from inside to outside successively, form the accommodation section that holds described cable splice in described interior semi-conductive layer, described insulation course ring-type is wrapped in outside described interior semi-conductive layer, 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, are exposed ring-band shape insulation course between two described outer semiconducting layers; Outgoing cable, an end is connected with described UHF sensor, and the other end is connected with leading-out terminal.The UHF sensor has, and highly sensitive cheap advantage can reduce the production cost of native system.
As a kind of concrete embodiment, the described shelf depreciation acquisition module in above-described embodiment is single-chip microcomputer, and single-chip microcomputer has good, the cheap advantage of system compatibility.
As a kind of concrete embodiment, the described monitored area in above-described embodiment comprises intermediate joint of electric cable, power cable terminal head and other emphasis monitored areas.
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 power cable partial discharge 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 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 receives and preserves the described Partial Discharge Data that described Centroid sends, and described Partial Discharge Data is processed.
2. a kind of power cable partial discharge monitoring according to claim 1 system, it is characterized in that, described Centroid is arranged on the cable shaft import and export, 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 power cable partial discharge monitoring according to claim 1 and 2 system, is characterized in that, the nearest described monitoring node of the described Centroid of distance directly sends to described Centroid with the Partial Discharge Data that gathers; 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 power cable partial discharge monitoring according to claim 1 and 2 system, it is characterized in that, described monitoring node further comprises local discharge sensor, Partial Discharge Data acquisition module, a ZigBee module, the first power module, wherein
Described local discharge sensor is used for the local discharge signal of the above monitored area of monitoring power cable, and described local discharge signal is sent to the Partial Discharge Data acquisition module;
Described Partial Discharge Data acquisition module receives the described local discharge signal that described local discharge sensor sends, and described local discharge signal is processed obtained Partial Discharge Data, and described Partial Discharge Data is sent to a ZigBee module;
A described ZigBee module receives the described Partial Discharge Data that described Partial Discharge Data acquisition module sends, and described Partial Discharge Data is 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 power cable partial discharge monitoring according to claim 4 system, 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 is used for receiving the described Partial Discharge Data that a described ZigBee module sends, and described Partial Discharge Data is sent to the first mobile communication module;
Described the first mobile communication module is used for receiving the described Partial Discharge Data that described the 2nd ZigBee module sends, and described Partial Discharge Data is 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 power cable partial discharge monitoring according to claim 5 system, is characterized in that, data management platform further comprises the second mobile communication module and processing module, wherein,
The second mobile communication module is used for receiving the described Partial Discharge Data that described the first mobile communication module sends;
Processing module is for the treatment of the described Partial Discharge Data of each described monitoring node collection.
7. a kind of power cable partial discharge monitoring according to claim 2 system, is characterized in that, described mobile communication network is GPRS network.
8. a kind of power cable partial discharge monitoring according to claim 4 system; it is characterized in that; described the first power module further comprises the first power management module, and described the first power management module comprises for the rectification unit of regulated output voltage with for the overvoltage protective unit that guarantees power supply stable operation under superpotential or lightning impulse voltage.
9. a kind of power cable partial discharge monitoring according to claim 5 system; it is characterized in that; described second source module further comprises the second source administration module, and described second source administration module comprises for the rectification unit of regulated output voltage with for the overvoltage protective unit that guarantees power supply stable operation under superpotential or lightning impulse voltage.
10. a kind of power cable partial discharge monitoring according to claim 4 system, it is characterized in that, described local discharge sensor is the UHF sensor, and described UHF sensor 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, insulation course and two outer semiconducting layers from inside to outside successively, form the accommodation section that holds described cable splice in described interior semi-conductive layer, described insulation course ring-type is wrapped in outside described interior semi-conductive layer, 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, are exposed ring-band shape insulation course between two described outer semiconducting layers; Outgoing cable, an end is connected with described UHF sensor, and the other end is connected with leading-out terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320299233 CN203275579U (en) | 2013-05-28 | 2013-05-28 | On-line monitoring system of power cable partial discharge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320299233 CN203275579U (en) | 2013-05-28 | 2013-05-28 | On-line monitoring system of power cable partial discharge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203275579U true CN203275579U (en) | 2013-11-06 |
Family
ID=49505956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320299233 Expired - Fee Related CN203275579U (en) | 2013-05-28 | 2013-05-28 | On-line monitoring system of power cable partial discharge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203275579U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103308830A (en) * | 2013-05-28 | 2013-09-18 | 国家电网公司 | Online monitoring system of partial discharge of power cable |
| CN103558219A (en) * | 2013-11-19 | 2014-02-05 | 国家电网公司 | Power cable service life monitoring realization method based on shielding layer wave carrier communication |
| CN104267301A (en) * | 2014-10-27 | 2015-01-07 | 江苏省电力公司常州供电公司 | Acquisition and Control system for electricity utilization information of electricity consumers |
-
2013
- 2013-05-28 CN CN 201320299233 patent/CN203275579U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103308830A (en) * | 2013-05-28 | 2013-09-18 | 国家电网公司 | Online monitoring system of partial discharge of power cable |
| CN103308830B (en) * | 2013-05-28 | 2016-08-17 | 国家电网公司 | Power cable partial discharge monitoring system |
| CN103558219A (en) * | 2013-11-19 | 2014-02-05 | 国家电网公司 | Power cable service life monitoring realization method based on shielding layer wave carrier communication |
| CN103558219B (en) * | 2013-11-19 | 2016-06-29 | 国家电网公司 | Method is realized based on what the power cable service life of screen layer carrier communication was monitored |
| CN104267301A (en) * | 2014-10-27 | 2015-01-07 | 江苏省电力公司常州供电公司 | Acquisition and Control system for electricity utilization information of electricity consumers |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103308830A (en) | Online monitoring system of partial discharge of power cable | |
| CN102818590A (en) | Wireless sensor network-based transmission lines icing on-line monitoring system | |
| CN109599940A (en) | A kind of distribution transforming status remote monitoring system and method based on LPWAN | |
| CN102590893A (en) | Intelligent microclimate monitoring system of transmission lines | |
| CN103412536A (en) | Box-type transformer substation remote monitoring system based on ZigBee-GPRS technology | |
| CN101511097A (en) | Wireless monitoring system based on high-voltage transmission line | |
| CN103336227B (en) | Novel power cable partial discharge monitoring system | |
| CN105023416A (en) | Power line carrier wave and micropower wireless -based intelligent meter reading system | |
| CN202836615U (en) | Intelligent electrical network comprehensive on-line monitoring system | |
| CN203275579U (en) | On-line monitoring system of power cable partial discharge | |
| CN103389408A (en) | High-voltage single-core cable sheath grounding current on-line monitoring device and control method | |
| CN203287478U (en) | Partial discharge online monitoring system for general power cable | |
| CN205539320U (en) | Cable termination arcing ground monitoring devices | |
| CN103260263A (en) | Metro stray current wireless monitoring system and method | |
| CN203275578U (en) | Power cable partial discharge on-line monitoring system which is convenient to connect | |
| CN203275577U (en) | Novel on-line monitoring system for power cable partial discharge | |
| CN103532244A (en) | Equipotential power supply and signal transmission system of high-voltage power transmission line on-line monitoring device | |
| CN116317117A (en) | Management system of power distribution network | |
| CN203481922U (en) | Distribution automation remote measuring and control device for distribution monitoring | |
| CN203396822U (en) | On-line monitoring device for grounding currents flowing through sheaths of high-voltage single-core cables | |
| CN102103162A (en) | System for remotely monitoring leakage current of lightning arrester on line | |
| CN201408239Y (en) | Wireless monitoring system applied to high-tension power transmission line | |
| CN205940803U (en) | Transformer winding temperature remote monitoring device based on thing networking | |
| CN204270713U (en) | A kind of multifunctional optical fiber composite medium-pressure cable | |
| CN207993230U (en) | A kind of power information acquisition system based on medium-voltage carrier technology |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131106 Termination date: 20200528 |