CN207502668U - A kind of system of the power distribution network main equipment live detection based on power line carrier, PLC - Google Patents
A kind of system of the power distribution network main equipment live detection based on power line carrier, PLC Download PDFInfo
- Publication number
- CN207502668U CN207502668U CN201721697441.7U CN201721697441U CN207502668U CN 207502668 U CN207502668 U CN 207502668U CN 201721697441 U CN201721697441 U CN 201721697441U CN 207502668 U CN207502668 U CN 207502668U
- Authority
- CN
- China
- Prior art keywords
- intelligent
- power line
- line carrier
- power
- collection device
- 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.)
- Active
Links
- 238000009826 distribution Methods 0.000 title claims abstract description 38
- 238000001514 detection method Methods 0.000 title claims abstract description 36
- 238000007689 inspection Methods 0.000 claims abstract description 31
- 238000013523 data management Methods 0.000 claims abstract description 26
- 238000004891 communication Methods 0.000 claims description 31
- 238000012545 processing Methods 0.000 claims description 17
- 230000008878 coupling Effects 0.000 claims description 15
- 238000010168 coupling process Methods 0.000 claims description 15
- 238000005859 coupling reaction Methods 0.000 claims description 15
- 230000005540 biological transmission Effects 0.000 claims description 10
- 238000012517 data analytics Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 230000006855 networking Effects 0.000 description 5
- 238000012549 training Methods 0.000 description 5
- 230000005611 electricity Effects 0.000 description 4
- 230000001427 coherent effect Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000007726 management method Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 230000003044 adaptive effect Effects 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 238000013527 convolutional neural network Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000013135 deep learning Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000002405 diagnostic procedure Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000004454 trace mineral analysis Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Landscapes
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Abstract
The utility model discloses a kind of system of the power distribution network main equipment live detection based on power line carrier, PLC, system includes n intelligent data collecting unit, concentrated collection device, intelligent inspection tour instrument and data management platform；It is communicated between n intelligent data collecting unit and concentrated collection device by power line carrier, it is communicated between n intelligent data collecting unit and intelligent inspection tour instrument by small wireless, it is communicated between concentrated collection device, intelligent inspection tour instrument and data management platform by 4G wireless private networks, intelligent inspection tour instrument and concentrated collection device can also be communicated by small wireless.The utility model can improve the efficiency of power distribution network live detection, effective to carry out live detection work.
Description
Technical field
The present invention relates to power distribution network live detection technical field, especially a kind of distribution host based on power line carrier, PLC
The system of equipment live detection.
Background technology
State Grid Corporation of China has been devoted to improve power supply reliability, carries out band electric-examination to the capital equipment of transmission of electricity at present
Survey related work.However the live detection work in terms of being directed to distribution is carried out considerably less, main cause is the equipment of distribution
Amount very Datong District when also very dispersion, if the live detection for carrying out similar major network works, need to put into very big manpower and
Material resources, and effect is less desirable.
As the requirement of resident and relevant enterprise to the power supply reliability of distribution is higher and higher, by important distribution wire
Road and important equipment development live detection are necessary, and the working condition of the effective assessment equipment of energy is examined in equipment operation
The defects of measuring equipment, can be to avoid because causing power supply by purposeful arrangement equipment replacement during equipment catastrophic failure
It interrupts.
At present, carry out live detection there are some difficulties for distribution main equipment, without relatively effective solution, sheet
Patent of invention is more mainly for distribution net equipment and disperses, should not carry out live live detection works, and a kind of base proposed
In the system and method for the power distribution network main equipment live detection of power line carrier, PLC.
Invention content
The technical problems to be solved by the invention are, provide a kind of power distribution network main equipment band based on power line carrier, PLC
The system of electro-detection can improve the efficiency of power distribution network live detection, effective to carry out live detection work.
In order to solve the above technical problems, the present invention provides a kind of power distribution network main equipment band electric-examination based on power line carrier, PLC
The system of survey, including：N intelligent data collecting unit, concentrated collection device, intelligent inspection tour instrument and data management platform；N intelligent acquisition
It is communicated by power line carrier between unit and concentrated collection device, led between n intelligent data collecting unit and intelligent inspection tour instrument
It crosses small wireless to communicate, be led between concentrated collection device, intelligent inspection tour instrument and data management platform by 4G wireless private networks
Letter, intelligent inspection tour instrument and concentrated collection device can also be communicated by small wireless.
Preferably, each intelligent data collecting unit includes central processing unit, partial discharge intelligence sensor, small wireless module, electricity
Power carrier module and signal coupling unit；Small wireless module, power line carrier module and partial discharge intelligence sensor all with central processing
Unit is communicated by serial ports, and power line carrier module is connected with signal coupling unit by signal wire.
Preferably, concentrated collection device includes central processing unit, special 4G communication modules, small wireless module, power carrier
Routing module and signal coupling unit；Power carrier routing module, special 4G communication modules and small wireless module all with centre
Reason unit is communicated by serial ports, and power carrier routing module is connected with signal coupling unit by signal wire.
Preferably, intelligent inspection tour instrument includes central processing unit, small wireless module, 4G modules and touch screen；It is 4G modules, small
Wireless module and touch screen are all communicated with central processing unit by serial ports.
Preferably, data management platform include front-collection server, data management server, data analytics server,
Communication switchboard and display platform；Front-collection server, data management server, data analytics server and display platform are all
Ethernet communication is carried out between communication switchboard.
Preferably, concentrated collection device is mounted on pure overhead transmission line, on pure cable run or on joint line, intelligent acquisition
Unit is mounted on pure overhead transmission line, accordingly on pure cable run or on joint line.
Beneficial effects of the present invention are：(1) it in the live detection inspection for carrying out distribution, can be checked at substation one
To the information of the equipment partial discharge of many places, avoid many places and carry out detection work, greatly reduce workload；(2) data pipe pats
Platform main station system can automatically analyze related partial discharge collection of illustrative plates daily, and provide related warning information, so that related personnel is arranged to have
Targetedly carry out the work of live detection；(3) system and method using the present invention can greatly improve power distribution network band electric-examination
The efficiency of survey；(4) for the equipment on overhead transmission line, in the case where not ascending a height, live detection work can effectively be carried out.
Description of the drawings
Fig. 1 is the system structure diagram of the present invention.
Fig. 2 is the partial discharge intelligence sensor schematic diagram of the present invention.
Fig. 3 is application schematic diagram of the present invention when pure overhead transmission line is installed.
Fig. 4 is application schematic diagram of the present invention when pure cable run is installed.
Fig. 5 is application schematic diagram of the present invention when joint line is installed.
Fig. 6 is the adaptive networking model schematic diagram of the present invention.
Fig. 7 is the high speed detecting circuit structure diagram of the present invention.
Fig. 8 be the present invention take certain determination strategy to identify whether the flow diagram for Partial discharge signal.
Specific embodiment
As shown in Figure 1, a kind of system of the power distribution network main equipment live detection based on power line carrier, PLC, including：N intelligence
It can collecting unit, concentrated collection device, intelligent inspection tour instrument and data management platform；N intelligent data collecting unit and concentrated collection device it
Between communicated by power line carrier, communicated between n intelligent data collecting unit and intelligent inspection tour instrument by small wireless, collect
It is communicated between middle collector, intelligent inspection tour instrument and data management platform by 4G wireless private networks, intelligent inspection tour instrument and concentration
Collector can also be communicated by small wireless.
Concentrated collection device is mostly installed at substation or stood outer necessary place, and intelligent data collecting unit is mostly installed at change
Above distribution main equipment inside and outside power station, such as switchgear in station, stand outside switchgear, ring main unit, on-pole switch, breaking on column
Device, high voltage cable branch box and distribution transformer etc..Intelligent data collecting unit acquires the Partial discharge signal at different distribution main equipments,
And it is stored；Concentrated collection device acquisition obtains the partial discharge letter of different intelligent collecting unit by way of power line carrier, PLC
Number, and stored；When without actively data are convened, concentrated collection device mainly calls the letter of primary each intelligent data collecting unit daily
Breath, and pass through and data management platform is sent on 4G private networks, data management platform takes certain judgement after handling signal
Strategy identifies whether as Partial discharge signal, if finding doubtful point of discharge, can be pushed and alerted, and pass through short message and put down by platform
Platform notifies coherent detection personnel.When carrying out live live detection, can be arrived by intelligent inspection tour instrument to show coherent detection
Information.
Concentrated collection device is connected to power grid by signal coupling unit, and electric power load is carried out to lower main and intelligent data collecting unit
Wave communication acquires the Partial discharge signal at different main equipments；To upper and data management platform by 4G private network communications, above send and collect
Partial discharge signal；It is communicated to upper and intelligent inspection tour instrument by small wireless mode, it can scene reading relevant device Partial discharge signal.
Intelligent data collecting unit is connected to power grid by signal coupling unit, and wherein intelligence sensor acquires the office at different distribution main equipments
Discharge signal according to certain form there are in intelligent data collecting unit, waits for concentrated collection device to be read by power line carrier, PLC
The content of relevant device.Power carrier communication module in intelligent data collecting unit has the function of trunking traffic.Intelligent inspection tour instrument
It is communicated between intelligent data collecting unit and concentrated collection device using small wireless mode, can show what concentrated collection device was collected into
Some partial discharge collection of illustrative plates of distribution main equipment, while intelligent data collecting unit that can be directly and at a certain equipment communicates, and reads its correlation
Partial discharge signal, and be shown.Data management platform can adopt device calling to required equipment by 4G private network communications to concentration
Partial discharge collection of illustrative plates, while the partial discharge data that report of concentrated collection device timing can be analyzed, such as can generate alarm signal in the presence of abnormal
Breath.There is no the equipment of isolation carrier communication between concentrated collection device and intelligence sensor.
Concentrated collection device, which is mostly installed at substation, can also be mounted on the outer necessary place in station, and intelligent data collecting unit is main
Above distribution main equipment inside and outside substation, as station in switchgear, stand outside switchgear, ring main unit, on-pole switch, break
Road device, high voltage cable branch box and distribution transformer etc..Intelligent data collecting unit at different main equipments is small every 2
When acquire the Partial discharge signal of the primary point, if any apparent Partial discharge signal, related data and acquisition are preserved according to certain form
Time if nothing, preserves the last collected data and acquisition time；The data preserved in intelligent data collecting unit are mainly led to
3 kinds of forms are crossed to obtain, the first be concentrated collection device by daily plan target, read the number preserved in intelligent data collecting unit
According to；It is for second that intelligent inspection tour instrument obtains data in intelligent data collecting unit, and show by way of small wireless communication；
The third is that data management platform is obtained by way of 4G private network communications intelligent data collecting unit is preserved in concentrated collection device
Data.
Concentrated collection device, which is mostly installed at substation, can also be mounted on the outer necessary place in station, pass through signal coupling unit
It is articulated to above power grid, signal coupling unit weak current part is connected to above carrier wave routing module, carrier module and concentrated collection
The central control processor of device carries out serial communication；The communication module for being connected to central processing unit further includes special 4G communication modules
With small wireless communication module.
Intelligent data collecting unit be mostly installed at switchgear, ring main unit, on-pole switch, breaker, high voltage cable branch box and
It at the distributions main equipment such as distribution transformer, is articulated to above any phase of power grid by a signal coupling unit, signal coupling
Unit weak current part is again connected to above carrier module, and the central processing unit of carrier module and collecting unit carries out serial ports and leads to
Letter；The communications portion for being connected to central processing unit further includes intelligence sensor.Each intelligent data collecting unit, which has, uniquely to be set
Standby ID number needs to burn recording device in manufacture；It is needed when mounted by equipment ID number and the matching of installation place equipment.
Concentrated collection device after the power is turned on, proceeds by networking operation, is preserved by networking operation logical with intelligent data collecting unit
Believe routing information；Concentrated collection device ensures daily and intelligent data collecting unit is once communicated, for obtaining related Partial discharge signal.
Intelligent inspection tour instrument can by small wireless communication mode from concentrated collection device to partial discharge data, and pass through collection of illustrative plates
Form shows；If intelligent inspection tour instrument has collected certain equipment, there are partial discharge phenomenons, and scene can be gone to targetedly to be examined
It surveys；If some trace analysis are complicated simultaneously, when Field Force can not analyze, concentrated collection device can be allowed to be transmitted to data management
The expert system of platform allows some expert assistances Field Force to help to analyze.
Data management platform main station system can obtain the partial discharge collection of illustrative plates letter of institute's management equipment at concentrated collection device daily
Breath, and system can the place of automatically analyzing have a question or problematic collection of illustrative plates；And it is reminded daily, so as to related personnel
It can timely handle；If be found it is problematic, can arrange related personnel go scene investigation relevant issues.
As shown in Fig. 2, partial discharge intelligence sensor is formed by multiple sensor combinations, can be selected according to actual conditions
Match.Specifically include extra-high video sensor, High Frequency Current Sensor, ultrasonic sensor and transient earth voltage sensor；Each biography
The data of sensor carry out Regularization after signal condition unit is disposed, by the data processing unit of intelligence sensor, in case
Concentrated collection device or intelligent data collecting unit obtain data.
As shown in figure 3, applying when pure overhead transmission line, concentrated collection device and intelligent data collecting unit are installed in pure frame
Ceases to be busy road face；Carrier signal is coupled in power grid by condenser type coupler, by the use of overhead line core as propagate matchmaker
It is situated between；This method uses high_voltage isolation capacitor, and for blocking power frequency high voltage, and the signal of more than 50kHz can be by.
As shown in figure 4, applying when pure cable run, concentrated collection device and intelligent data collecting unit are installed in pure electricity
Cable road face；Carrier signal is coupled in power grid by inductive coupler, by the use of cable shield as carrier signal
Medium；This method uses plug-in coupler, the high-pressure section without connecting cable.
As shown in figure 5, applying when joint line, concentrated collection device is mounted on cable run；Intelligent acquisition list
Member is separately mounted to overhead transmission line part and cable run part；It needs to do inductive coupler and capacitive coupling at Hybrid connections
The signal bridging processing of device.
Power line carrier, PLC is the very important ring of this method, and the carrier module in intelligent data collecting unit is along distribution wire
Road is laid with, signal broadcast transmission in power circuit, the networking model combination distribution line structure and carrier wave of carrier communication module
Signal transmission distance.In order to facilitate system maintenance, carrier communication uses adaptive networking model, cannot be thrown in key node maintenance
During fortune, network topology is safeguarded and is switched automatically, as shown in fig. 6, S1 and S2 can be forwarded and be come from as 1 grade of crucial node
The information of host node；When S2 is safeguarded, the function of S2 is undertaken by S1, has updated communication network topology structure again.
Concentrated collection device powers on every time can carry out an ad hoc network operation, have ensured that each intelligent data collecting unit can sum aggregate
Middle collector keeps normal communication；When occur respective nodes safeguard or it is out of service when, concentrated collection device can be re-started from group
Net operation if there is some equipment repeatedly when do not communicate, can send warning message, so that maintenance personnel checks that this sets
It is standby to whether there is failure.
When no concentrated collection device, intelligent inspection tour instrument, data management platform calling data, at distinct device
Intelligent data collecting unit wake up partial discharge intelligence sensor according to the time of setting and collect Partial discharge signal, and according to certain form
After storage, concentrated collection device is sent to by power line carrier, PLC mode and is preserved；If concentrated collection device, intelligent inspection tour instrument and data
When management platform calls data, partial discharge intelligence sensor can obtain partial discharge coherent signal in real time, be deposited according to certain form
Concentrated collection device is sent to after storage.
Concentrated collection device can preserve last collected data, intelligence in the case where no reading data in real-time is asked
When logging or data management platform request display data result, concentrated collection device transfers the data of last preservation；If
When intelligent inspection tour instrument or the data management platform request a certain data of real-time exhibition, concentrated collection device is called a certain by carrier communication
The data of equipment, and intelligent inspection tour instrument is sent to by small wireless communication；Or number is sent to by 4G communication module telecommunications
According to management platform.
As shown in fig. 7, in order to realize the continuous detection of more power frequency periods, by designing the simulation in intelligent inspection tour instrument
Detecting circuit detects and keeps the peak value of oscillation pulse signal, and continuation signal duration width, to meet general acquisition number
Word acquisition system is to the bandwidth requirement of acquisition signal.Original signal after the first capacitance C1 by connecting detector diode D1 just
Pole, the cathode of detector diode D1 connect output signal after the second capacitance C2；The cathode of second diode D2 is connected to the first electricity
Between holding C1 and detector diode D1, be connected to after the anode of the second diode D2 connection parallel resistance R1 detector diode D1 with
Between second capacitance C2；Second resistance R2 connects with integrating capacitor C3, and one end directly connects power supply, and the other end is directly grounded.
As shown in figure 8, the flow diagram for deep learning.Specifically comprise the following steps：
(1) a few class partial discharge collection of illustrative plates are extracted from field test data, are classified as training data and test data；
(2) it is the applicable form of convolutional neural networks frame by training data and test data file format conversion；
(3) using convolutional neural networks frame model, adjusting training parameter, training spectrum data, while model is determined；
(4) after training, corresponding diagnostic test is done to picture file, exports defect classification.
Carry out the work of distribution main equipment live detection, partial discharge intelligence sensor is basis, mainly by optionally combining
Formula sensor acquisition ultrahigh-frequency signal, high-frequency current signal, ultrasonic signal and electromagnetic wave signal；It is of the invention effectively to acquire
To signal processing after upload to data management platform, while solve to interfere with each other between carrier communication and Partial discharge signal asks
Topic.
A kind of system and method for power distribution network main equipment live detection based on power line carrier, PLC of the present invention, at the scene
Detection level can be read the Partial discharge signal of many places equipment by intelligent inspection tour instrument at one, while can pass through intelligent patrol detection
Instrument shows relevant status of equipment；In remote detection level, mainly communicated by data management platform and concentrated collection device,
The long-range situation for checking relevant device, targetedly carries out related work, significantly reduces the workload at scene.
Although the present invention is illustrated and has been described with regard to preferred embodiment, it is understood by those skilled in the art that
Without departing from scope defined by the claims of the present invention, variations and modifications can be carried out to the present invention.
Claims (6)
1. a kind of system of the power distribution network main equipment live detection based on power line carrier, PLC, which is characterized in that including：N intelligence
It can collecting unit, concentrated collection device, intelligent inspection tour instrument and data management platform；N intelligent data collecting unit and concentrated collection device it
Between communicated by power line carrier, communicated between n intelligent data collecting unit and intelligent inspection tour instrument by small wireless, collect
It is communicated between middle collector, intelligent inspection tour instrument and data management platform by 4G wireless private networks, intelligent inspection tour instrument and concentration
Collector can also be communicated by small wireless.
2. the system of the power distribution network main equipment live detection based on power line carrier, PLC, feature exist as described in claim 1
In, each intelligent data collecting unit include central processing unit, partial discharge intelligence sensor, small wireless module, power line carrier module and
Signal coupling unit；Small wireless module, power line carrier module and partial discharge intelligence sensor all pass through serial ports with central processing unit
It communicates, power line carrier module is connected with signal coupling unit by signal wire.
3. the system of the power distribution network main equipment live detection based on power line carrier, PLC, feature exist as described in claim 1
In concentrated collection device includes central processing unit, special 4G communication modules, small wireless module, power carrier routing module and letter
Number coupling unit；Power carrier routing module, special 4G communication modules and small wireless module all pass through string with central processing unit
Mouth communicates, and power carrier routing module is connected with signal coupling unit by signal wire.
4. the system of the power distribution network main equipment live detection based on power line carrier, PLC, feature exist as described in claim 1
In intelligent inspection tour instrument includes central processing unit, small wireless module, 4G modules and touch screen；4G modules, small wireless module and touch
Screen is touched all to communicate by serial ports with central processing unit.
5. the system of the power distribution network main equipment live detection based on power line carrier, PLC, feature exist as described in claim 1
In, data management platform include front-collection server, data management server, data analytics server, communication switchboard and
Display platform；Front-collection server, data management server, data analytics server and display platform all with communication switchboard
Between carry out ethernet communication.
6. the system of the power distribution network main equipment live detection based on power line carrier, PLC, feature exist as described in claim 1
In concentrated collection device is mounted on pure overhead transmission line, on pure cable run or on joint line, and intelligent data collecting unit is pacified accordingly
On pure overhead transmission line, on pure cable run or on joint line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721697441.7U CN207502668U (en) | 2017-12-07 | 2017-12-07 | A kind of system of the power distribution network main equipment live detection based on power line carrier, PLC |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721697441.7U CN207502668U (en) | 2017-12-07 | 2017-12-07 | A kind of system of the power distribution network main equipment live detection based on power line carrier, PLC |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207502668U true CN207502668U (en) | 2018-06-15 |
Family
ID=62509263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721697441.7U Active CN207502668U (en) | 2017-12-07 | 2017-12-07 | A kind of system of the power distribution network main equipment live detection based on power line carrier, PLC |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207502668U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107765156A (en) * | 2017-12-07 | 2018-03-06 | 江苏省电力试验研究院有限公司 | A kind of system and method for the power distribution network main equipment live detection based on power line carrier, PLC |
| CN108732477A (en) * | 2018-08-31 | 2018-11-02 | 国网河南省电力公司镇平县供电公司 | A kind of system and method for the power distribution network main equipment live detection based on electric power wireless communication |
| CN111640219A (en) * | 2020-06-04 | 2020-09-08 | 许昌开普电气研究院有限公司 | Inspection robot control system and method based on overhead line |
-
2017
- 2017-12-07 CN CN201721697441.7U patent/CN207502668U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107765156A (en) * | 2017-12-07 | 2018-03-06 | 江苏省电力试验研究院有限公司 | A kind of system and method for the power distribution network main equipment live detection based on power line carrier, PLC |
| CN108732477A (en) * | 2018-08-31 | 2018-11-02 | 国网河南省电力公司镇平县供电公司 | A kind of system and method for the power distribution network main equipment live detection based on electric power wireless communication |
| CN111640219A (en) * | 2020-06-04 | 2020-09-08 | 许昌开普电气研究院有限公司 | Inspection robot control system and method based on overhead line |
| CN111640219B (en) * | 2020-06-04 | 2022-11-18 | 许昌开普电气研究院有限公司 | Inspection robot control system and method based on overhead line |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107765156A (en) | A kind of system and method for the power distribution network main equipment live detection based on power line carrier, PLC | |
| CN201886114U (en) | Leakage current monitoring terminal of transformer substation insulator | |
| CN207502668U (en) | A kind of system of the power distribution network main equipment live detection based on power line carrier, PLC | |
| CN102435871A (en) | On-line monitoring system for data collection of electric arresters based on GPS (Global Positioning System) synchronization | |
| CN103124105A (en) | Wireless intelligent sensor network system for monitoring states of intelligent substation devices | |
| CN106160227B (en) | Method for unified management of all-station communication network of intelligent substation | |
| CN105790990A (en) | Method and system for monitoring and managing power distribution and utilization communication business | |
| CN109546747A (en) | A kind of intelligence transmission and distribution network fault pre-alarming management system | |
| CN105591670A (en) | Photovoltaic assembly state information monitoring device based on power line communication and monitoring method thereof | |
| CN106971526A (en) | photovoltaic application system remote monitoring system | |
| CN116317117A (en) | Management system of power distribution network | |
| CN108375933A (en) | Real-time monitoring's 10kV transformer overhauls management system | |
| CN203435002U (en) | Novel practical low-voltage transformer area switch instrument | |
| CN109800498A (en) | A kind of photovoltaic plant data diagnosis system | |
| CN111552213B (en) | Power communication equipment | |
| CN205070602U (en) | Electric wire netting intelligent monitoring system based on networking of super -ZigBee thing | |
| CN108448461B (en) | 220kV transformer maintenance system with multiple monitors | |
| CN105576828A (en) | Novel distribution network distributed fault monitoring system | |
| CN110994787A (en) | Low-voltage distribution network automation equipment and system | |
| CN103701215B (en) | A kind of tele-control system | |
| CN207993230U (en) | A kind of power information acquisition system based on medium-voltage carrier technology | |
| CN112994247A (en) | Branch identification system and method for 10kV medium-voltage line | |
| CN204732970U (en) | A kind of intelligent substation virtual secondary circuit checkout gear | |
| CN108335478A (en) | A kind of power information acquisition system based on medium-voltage carrier technology | |
| CN218724342U (en) | Low-voltage line state monitoring terminal host |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |