CN103308830A - Online monitoring system of partial discharge of power cable - Google Patents
Online monitoring system of partial discharge of power cable Download PDFInfo
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- CN103308830A CN103308830A CN2013102045549A CN201310204554A CN103308830A CN 103308830 A CN103308830 A CN 103308830A CN 2013102045549 A CN2013102045549 A CN 2013102045549A CN 201310204554 A CN201310204554 A CN 201310204554A CN 103308830 A CN103308830 A CN 103308830A
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Abstract
The invention relates to an online monitoring system of partial discharge of a power cable. A monitoring node is mounted on a monitoring region of the power cable; the monitoring node is used for uploading partial discharge data to a central node through a direct sending or relaying transmission wireless communication manner; and the central node sends the received partial discharge data to a data managing platform so as to realize long-distance transmission of the partial discharge data. An underground monitoring node carries out information transferring through a wireless signal, and the data is directly sent to the data managing platform on the ground through the central node; any manual routing inspection is not needed, and a communication cable does not need to be paved, so that the collection of the partial discharge data of a plurality of monitoring nodes is more convenient and simpler, and the collection cost for collecting the partial discharge data is effectively reduced; and the online monitoring system has the advantages of high reliability and good instantaneity.
Description
Technical field
The present invention relates to a kind of power cable partial discharge monitoring system, belong 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 the 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 need to be laid communication line in addition, and cost is higher, and, the power cable layer circumstance complication, many zones can't be laid communication line in addition; 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, because it is underground that wireless launcher is embedded in, so the transmit power limited of signal, Partial Discharge Data transmission range and accuracy are relatively poor.
Summary of the invention
Technical matters to be solved by this invention is that Partial Discharge Data gathers real-time, poor accuracy in the existing power cable partial discharge monitoring technology, 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 present invention is achieved by 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 installed in the monitored area of power cable, is used for finishing 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 the described Partial Discharge Data that described monitoring node sends by wireless communication mode, 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 installed in 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 obtaining 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 the 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, are exposed ring-band shape insulation course between two described outer semiconducting layers; Outgoing cable, an end links to each other with described UHF sensor, and the other end links to each other with leading-out terminal.
Technique scheme of the present invention has the following advantages compared to existing technology:
(1) a kind of power cable partial discharge monitoring of the present invention system, wherein, described monitoring node is installed in 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, so that the collection of the Partial Discharge Data of a plurality of monitoring nodes is 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 of the present invention system, described Centroid is installed in 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 of the present invention system, adopt the ZigBee module to communicate between described monitoring node and the 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 the 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 invention is more likely to be clearly understood, below in conjunction with accompanying drawing, the present invention is further detailed explanation, wherein,
Fig. 1 is the structural representation of a kind of power cable partial discharge monitoring of the present invention system;
Fig. 2 is the structural representation of monitoring node of the present invention;
Fig. 3 is the structural representation of Centroid of the present invention.
Embodiment
Embodiment 1
A kind of power cable partial discharge monitoring system of one embodiment of the present of invention as shown in Figure 1, comprises n monitoring node, 1 Centroid and 1 data management platform.
Wherein,
N described monitoring node is installed in 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 the described Partial Discharge Data that n described monitoring node sends by wireless communication mode, 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 of the present invention system, wherein, described monitoring node is installed in 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, so that the collection of the Partial Discharge Data of a plurality of monitoring nodes is 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 installed in 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 collects is sent with the form of broadcasting.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, then described Partial Discharge Data is not transmitted, if the corresponding monitoring node of described Partial Discharge Data source address is m-1, then 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 transmits 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 installed in 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 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 present invention has realized the long-distance transmissions of described Partial Discharge Data, can substitute manual inspection fully, and need not lay communication line, so that the collection of the Partial Discharge Data of a plurality of monitoring nodes is 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 installed in 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 among the 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 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 obtaining 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, then described Partial Discharge Data is not transmitted, if the corresponding monitoring node of described Partial Discharge Data source address is m-1, then 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 the 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 the in real time demonstration, early warning, location.
As a kind of concrete embodiment, the mobile communication network that adopts between described Centroid and the 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 the 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, are exposed ring-band shape insulation course between two described outer semiconducting layers; Outgoing cable, an end links to each other with described UHF sensor, and the other end links to each other 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 main monitors zone.
Obviously, above-described embodiment only is 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 the protection domain of the invention.
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 installed in the monitored area of power cable, is used for finishing 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 the described Partial Discharge Data that described monitoring node sends by wireless communication mode, 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 installed in 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. arbitrary described a kind of power cable partial discharge monitoring system according to claim 1-3, 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 obtaining 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. arbitrary described a kind of power cable partial discharge monitoring system is characterized in that according to claim 2-4, and 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. arbitrary described a kind of power cable partial discharge monitoring system is characterized in that according to claim 1-5, and 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 the 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, are exposed ring-band shape insulation course between two described outer semiconducting layers; Outgoing cable, an end links to each other with described UHF sensor, and the other end links to each other with leading-out terminal.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN106707114A (en) * | 2016-11-22 | 2017-05-24 | 华北电力大学 | Method and device for detecting operation states of GIS Intervals |
| 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 |
| CN108279365A (en) * | 2018-04-18 | 2018-07-13 | 国网江苏省电力有限公司电力科学研究院 | Spatial electromagnetic wave monitoring positioning device, system and method in a kind of GIL piping lanes |
| CN109358275A (en) * | 2018-11-29 | 2019-02-19 | 河南飙风信息科技有限公司 | A kind of communicating for power information monitoring system |
| CN109765464A (en) * | 2018-12-14 | 2019-05-17 | 福建和盛高科技产业有限公司 | Partial discharge monitoring device in a kind of 10kV distribution cable transition joint |
| US10990119B2 (en) | 2019-02-07 | 2021-04-27 | Winbond Electronics Corp. | Reference voltage generation circuit, power-on detection circuit, and semiconductor device for preventing internal circuit from operating incorrectly at low voltage |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102096027A (en) * | 2010-11-15 | 2011-06-15 | 华北电力大学 | Pre-embedded sensor for local discharge detection of power cable accessory |
| CN102498408A (en) * | 2009-07-30 | 2012-06-13 | 普睿司曼股份公司 | Method and system for monitoring a cable system of an electric power transmission system |
| CN202601293U (en) * | 2012-04-21 | 2012-12-12 | 河南科信电缆有限公司 | Carbon fiber photoelectric composite cable capable of on-line monitoring of partial discharge |
| US20130110529A1 (en) * | 2011-11-02 | 2013-05-02 | Tom Steinhauer | Ventilator avoidance report |
| CN203275579U (en) * | 2013-05-28 | 2013-11-06 | 国家电网公司 | On-line monitoring system of power cable partial discharge |
-
2013
- 2013-05-28 CN CN201310204554.9A patent/CN103308830B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102498408A (en) * | 2009-07-30 | 2012-06-13 | 普睿司曼股份公司 | Method and system for monitoring a cable system of an electric power transmission system |
| CN102096027A (en) * | 2010-11-15 | 2011-06-15 | 华北电力大学 | Pre-embedded sensor for local discharge detection of power cable accessory |
| US20130110529A1 (en) * | 2011-11-02 | 2013-05-02 | Tom Steinhauer | Ventilator avoidance report |
| CN202601293U (en) * | 2012-04-21 | 2012-12-12 | 河南科信电缆有限公司 | Carbon fiber photoelectric composite cable capable of on-line monitoring of partial discharge |
| CN203275579U (en) * | 2013-05-28 | 2013-11-06 | 国家电网公司 | On-line monitoring system of power cable partial discharge |
Non-Patent Citations (1)
| Title |
|---|
| 徐阳等: "XLPE电缆及接头局部放电的超高频测量与分析", 《电工电能新技术》, 31 January 2002 (2002-01-31) * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN106707114A (en) * | 2016-11-22 | 2017-05-24 | 华北电力大学 | Method and device for detecting operation states of GIS Intervals |
| 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 |
| CN108279365A (en) * | 2018-04-18 | 2018-07-13 | 国网江苏省电力有限公司电力科学研究院 | Spatial electromagnetic wave monitoring positioning device, system and method in a kind of GIL piping lanes |
| CN108279365B (en) * | 2018-04-18 | 2024-05-07 | 国网江苏省电力有限公司电力科学研究院 | Electromagnetic wave monitoring and positioning device, system and method for space in GIL pipe gallery |
| CN109358275A (en) * | 2018-11-29 | 2019-02-19 | 河南飙风信息科技有限公司 | A kind of communicating for power information monitoring system |
| CN109765464A (en) * | 2018-12-14 | 2019-05-17 | 福建和盛高科技产业有限公司 | Partial discharge monitoring device in a kind of 10kV distribution cable transition joint |
| US10990119B2 (en) | 2019-02-07 | 2021-04-27 | Winbond Electronics Corp. | Reference voltage generation circuit, power-on detection circuit, and semiconductor device for preventing internal circuit from operating incorrectly at low voltage |
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