CN112531904B - Network instruction interaction system for grid connection of power distribution terminal - Google Patents
Network instruction interaction system for grid connection of power distribution terminal Download PDFInfo
- Publication number
- CN112531904B CN112531904B CN202011436551.4A CN202011436551A CN112531904B CN 112531904 B CN112531904 B CN 112531904B CN 202011436551 A CN202011436551 A CN 202011436551A CN 112531904 B CN112531904 B CN 112531904B
- Authority
- CN
- China
- Prior art keywords
- power distribution
- terminal
- data
- monitoring
- power
- 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
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00002—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by monitoring
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
- H02J13/00022—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using wireless data transmission
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention discloses a network instruction interaction system for grid connection of a power distribution terminal, which comprises the power distribution terminal and a power distribution station, wherein the power distribution terminal is provided with a feeder terminal unit FTU, a power distribution transformer monitoring terminal TTU, a monitoring terminal and a switching station, and the power distribution station is provided with power equipment, a monitoring module, a detection module, an alarm module, a processor, a wireless transmission terminal and a mobile terminal. According to the invention, faults can be found better and a fault area can be locked through the monitoring module and the detection module, workers can be reminded of locking the faults in the area in time through the alarm module, data can be transmitted and interacted better through the wireless transmission terminal, rapid response and processing of fault equipment of the power distribution station can be realized through the feeder terminal unit FTU, the power distribution transformer monitoring terminal TTU, the monitoring terminal and the switching station, and the fault area can be overhauled by the workers in the corresponding area through data interaction with the power distribution station.
Description
Technical Field
The invention relates to the technical field of power distribution terminals, in particular to a network instruction interaction system for grid connection of a power distribution terminal.
Background
The distribution station is a station for transmitting electricity to electric equipment or users, is positioned at the tail end of a power grid, is a point on a radial network, is connected with a transformer substation, is connected with each electric equipment, and generally has small capacity and the voltage level is below 35 kilovolts. The power distribution stations are generally divided into two types, most of which are used for scheduling and balancing loads of each line; there are also several independent substations which serve to change the transmission mode. The existing power distribution station mostly adopts a power distribution automation technology, power distribution and feedback are very convenient, but when a power system of the power distribution station breaks down, the reaction is slow, a fault area cannot be found quickly, the reaction is quickly carried out, the maintenance of power faults is delayed, and the use of power equipment is influenced.
Disclosure of Invention
The invention aims to solve the technical problem of providing a network instruction interaction system for grid connection of a power distribution terminal so as to realize quick response and processing of fault equipment of a power distribution station.
In order to solve the technical problem, the invention provides a network instruction interaction system for grid connection of a power distribution terminal, which is characterized by comprising:
the system comprises a power distribution terminal and a power distribution station, wherein the power distribution terminal is provided with a feeder terminal unit FTU, a power distribution transformer monitoring terminal TTU, a monitoring terminal and a switching station, and the power distribution station is provided with power equipment, a monitoring module, a detection module, an alarm module, a processor, a wireless transmission terminal and a mobile terminal;
the feeder terminal unit FTU is used for communicating with the power distribution substation, transmitting the operation data of the power distribution equipment to the power distribution substation, and receiving the control command of the power distribution substation to control and regulate the power distribution equipment;
the distribution transformer monitoring terminal TTU is used for acquiring and controlling information of the distribution transformer, monitoring the operation condition of the distribution transformer in real time and transmitting the acquired information to the master station so as to provide data required by operation control and management of a distribution system;
the monitoring module is used for acquiring, storing and analyzing monitoring image data, temperature data, air composition data and infrared thermal imaging data, and interactively feeding back abnormal data and a power distribution station;
the switchyard is used for selectively connecting or disconnecting electrical equipment and selectively distributing high and medium voltage electrical energy.
Furthermore, the feeder terminal unit FTU is also communicated with the distribution automation master station, and is used for providing the running condition of the distribution system and various parameters and monitoring and controlling required information, including on-off state, electric energy parameters, phase-to-phase faults, grounding faults and parameters during faults, executing commands issued by the distribution master station, adjusting and controlling distribution equipment, and realizing fault location, fault isolation and rapid recovery of non-fault areas for power supply.
Furthermore, a signal transmission interface of the distribution transformer monitoring terminal TTU receives command information from the master station through a power line, the command is demodulated and transmitted to the controller after filtering and amplification, and the master station command is transmitted to the data acquisition and processing module through a serial port by the controller.
Furthermore, the data acquisition and processing module acquires the data of the distribution transformer according to the received main station command, and after analysis and processing, the data information is sent to the controller of the communication module through the serial port, modulated, and finally sent to the power line through the interface to wait for the main station to receive the data.
Further, the switchyard includes circuit breaker, disconnecting switch, current transformer, voltage transformer, bus bar, corresponding control protection and automation device and auxiliary facilities, and is installed with various compensation devices.
Further, monitor module and detection module are used for gathering power equipment's image data, temperature data, air composition data and peripheral infrared thermal imaging data, monitor module includes a plurality of cameras of installing near power equipment and installs in the peripheral infrared thermal imaging camera of distribution substation, detection module includes a plurality of temperature sensor and combustible gas concentration sensor, temperature sensor installs inside power equipment, the inside and outside at power equipment is installed to combustible gas concentration sensor equidistance.
Further, the alarm module comprises a plurality of audible and visual alarms, and the audible and visual alarms are installed at corresponding power equipment inside the power distribution station.
Furthermore, the wireless transmission terminal is used for transmitting the monitoring data integrated and processed by the processor to the power distribution terminal, interacting data with the power distribution terminal, and forwarding the abnormal data fed back by the power distribution terminal to the mobile terminal.
Further, the mobile terminal is configured to receive suspicious data sent by the wireless transmission terminal, and the mobile terminal is specifically a mobile monitoring device.
Furthermore, the monitoring module, the detection module, the alarm module and the wireless transmission terminal are electrically connected with the processor.
The embodiment of the invention has the beneficial effects that: be convenient for better discovery trouble through monitoring module and detection module, lock the trouble region, in time remind staff's trouble lock in the region through alarm module, be convenient for better transmit data through wireless transmission terminal, it is mutual, through feeder terminal device FTU, distribution transformer monitor terminal TTU, monitor terminal, the switching station realizes quick response and the processing to distribution station fault equipment, and overhaul the trouble region by the staff in corresponding region through carrying out the data interaction with the distribution station.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a block diagram of a power distribution terminal according to an embodiment of the present invention.
Fig. 2 is a block diagram of a distribution substation according to an embodiment of the present invention.
Fig. 3 is a schematic working flow diagram of a network instruction interaction system for grid connection of a power distribution terminal according to an embodiment of the present invention.
Detailed Description
The following description of the embodiments refers to the accompanying drawings, which are included to illustrate specific embodiments in which the invention may be practiced.
Referring to fig. 1 to fig. 3, an embodiment of the present invention provides a network instruction interaction system for grid connection of a power distribution terminal, including:
the system comprises a power distribution terminal and a power distribution station, wherein the power distribution terminal is provided with a feeder terminal unit FTU, a power distribution transformer monitoring terminal TTU, a monitoring terminal and a switching station, and the power distribution station is provided with power equipment, a monitoring module, a detection module, an alarm module, a processor, a wireless transmission terminal and a mobile terminal;
the feeder terminal unit FTU is used for communicating with the power distribution substation, transmitting the operation data of the power distribution equipment to the power distribution substation, and receiving the control command of the power distribution substation to control and regulate the power distribution equipment;
the distribution transformer monitoring terminal TTU is used for acquiring and controlling information of the distribution transformer, monitoring the operation condition of the distribution transformer in real time and transmitting the acquired information to the master station so as to provide data required by operation control and management of a distribution system;
the monitoring module is used for acquiring, storing and analyzing monitoring image data, temperature data, air composition data and infrared thermal imaging data, and interactively feeding back abnormal data and a power distribution station;
the switchyard is used for selectively connecting or disconnecting electrical equipment and selectively distributing high and medium voltage electrical energy.
The feeder terminal unit FTU communicates with the distribution automation main station, provides the running condition of the distribution system and various parameters and information required by monitoring and controlling, including on-off state, electric energy parameters, interphase fault, earth fault and parameters during fault, executes the command issued by the distribution main station, adjusts and controls the distribution equipment, and realizes fault location, fault isolation and fast recovery power supply of non-fault areas. The FTU is an embedded real-time multitask operating system using an advanced DSP digital signal processing technology, a multi-CPU integration technology, a high-speed industrial network communication technology and an isolation technology, has strong stability, high reliability, good real-time performance, wide adaptive environment and powerful functions, and is a new generation feeder automation remote terminal device integrating functions of remote measurement, remote signaling, remote control, protection, communication and the like.
The signal transmission interface of the TTU receives command information from a main station through a power line, the command is transmitted to the controller through demodulation after being filtered and amplified, then the controller transmits the main station command to the data acquisition and processing module through a serial port, the data acquisition and processing module acquires data of the distribution transformer according to the received main station command, the data information is transmitted to the controller of the communication module through a serial port after being analyzed and processed, and the data information is modulated and finally transmitted to a power line through the interface to wait for the main station to receive the data. The distribution transformer monitoring terminal TTU has the advantages of reliability of communication, high cost performance, instantaneity of distribution communication, standardization and universality of communication modes and the like.
The switch station comprises a circuit breaker, a disconnecting switch, a current transformer, a voltage transformer, a bus, a corresponding control protection and automation device and an auxiliary facility, and is provided with various necessary compensation devices.
Monitoring module and detection module are used for gathering power equipment's image data, temperature data, air composition data and peripheral infrared thermal imaging data, monitoring module includes a plurality of cameras of installing near power equipment and installs in the peripheral infrared thermal imaging camera of power distribution station, detection module includes a plurality of temperature sensor and combustible gas concentration sensor, temperature sensor installs inside power equipment, combustible gas concentration sensor equidistance is installed in power equipment's inside and outside, is convenient for better component temperature to in the power equipment through monitoring module and detection module and detects to and the combustible gas concentration in the air detects, can carry out image monitoring to power equipment and all ring edge borders simultaneously, thereby discovery trouble, lock the trouble area to prevent suspicious personnel from cominging in and going out and steal the electric energy.
Alarm module includes a plurality of audible-visual annunciators, audible-visual annunciator installs in the inside corresponding power equipment department of power distribution station, is convenient for better carry out audible-visual annunciator, in time reminds staff's trouble lock in the region.
The wireless transmission terminal is used for transmitting the monitoring data integrated and processed by the processor to the power distribution terminal, interacting the data with the power distribution terminal, and forwarding the abnormal data fed back by the power distribution terminal to the mobile terminal, so that the data can be transmitted better.
The mobile terminal is used for receiving suspicious data sent by the wireless transmission terminal, is provided with a plurality of mobile monitoring devices and corresponding workers, and is convenient for repairing a fault area more quickly by specifying the nearest worker in the fault area.
The monitoring module, the detection module, the alarm module and the wireless transmission terminal are electrically connected with the processor, so that the equipment can be controlled better.
The working process and the principle of the network instruction interaction system for power distribution terminal grid connection in the embodiment of the invention are as follows: the method comprises the steps of firstly detecting the occurrence of faults of the power equipment through a detection module, then shooting specific equipment with the faults through a monitoring module, integrating and processing data through a processor, interacting with the power distribution terminal through a wireless transmission terminal, simultaneously controlling an audible and visual alarm of an alarm module in a corresponding area to give an alarm, reminding workers in the station, rapidly responding to faults occurring in the power distribution station through the power distribution terminal to carry out rapid emergency processing, receiving signals by the monitoring terminal of the power distribution terminal, analyzing and processing the fault locking area and the occurrence reason, then carrying out remote control and adjustment on the power distribution equipment through a feeder terminal unit FTU, collecting and controlling information of the power distribution transformer through a monitoring terminal TTU of the power distribution transformer, monitoring the operation condition of the power distribution transformer in real time, selectively connecting or cutting off the electric energy of the fault area through a switching station, then feeding back signals, interacting a processing scheme with the station, then forwarding abnormal data fed back by the power distribution terminal to a mobile terminal through the wireless transmission terminal of the power distribution station, and then overhauling the fault area through the corresponding workers.
As can be seen from the above description, the embodiments of the present invention have the following beneficial effects: be convenient for better discovery trouble through monitoring module and detection module, lock the trouble region, in time remind staff's trouble lock in the region through alarm module, be convenient for better transmit data through wireless transmission terminal, it is mutual, through feeder terminal device FTU, distribution transformer monitor terminal TTU, monitor terminal, the switching station realizes quick response and the processing to distribution station fault equipment, and overhaul the trouble region by the staff in corresponding region through carrying out the data interaction with the distribution station.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention, and it is therefore to be understood that the invention is not limited by the scope of the appended claims.
Claims (9)
1. A network instruction interaction system for grid connection of power distribution terminals is characterized by comprising:
the system comprises a power distribution terminal and a power distribution station, wherein the power distribution terminal is provided with a feeder terminal unit FTU, a power distribution transformer monitoring terminal TTU, a monitoring terminal and a switching station, and the power distribution station is provided with power equipment, a monitoring module, a detection module, an alarm module, a processor, a wireless transmission terminal and a mobile terminal;
the feeder terminal unit FTU is used for communicating with the distribution substation, transmitting the operation data of the distribution equipment to the distribution substation, and receiving the control command of the distribution substation to control and regulate the distribution equipment;
the distribution transformer monitoring terminal TTU is used for collecting and controlling information of the distribution transformer, monitoring the operation condition of the distribution transformer in real time and transmitting the collected information to the master station so as to provide data required by operation control and management of a distribution system;
the monitoring module is used for acquiring, storing and analyzing monitoring image data, temperature data, air composition data and infrared thermal imaging data, and interactively feeding back abnormal data and a power distribution station;
the switching station is used for selectively connecting or disconnecting power equipment and selectively distributing high-voltage electric energy and medium-voltage electric energy; the switch station comprises a breaker, a disconnecting switch, a current transformer, a voltage transformer, a bus, corresponding control protection and automation devices and auxiliary facilities, and is provided with various compensation devices.
2. The power distribution terminal grid-connected network instruction interaction system according to claim 1, wherein the feeder terminal unit FTU is further in communication with a power distribution automation master station, and is configured to provide information required for power distribution system operation and various parameters and monitoring control, including on-off state, power parameters, phase-to-phase faults, ground faults, and parameters during faults, and execute commands issued by the power distribution master station, adjust and control power distribution equipment, and achieve fault location, fault isolation, and rapid recovery of power supply in non-fault areas.
3. The power distribution terminal grid-connected network instruction interaction system according to claim 1, wherein a signal transmission interface of the distribution transformer monitoring terminal TTU receives command information from a master station through a power line, the command is transmitted to the controller after being filtered and amplified, and the master station command is transmitted to the data acquisition and processing module by the controller through a serial port.
4. The power distribution terminal grid-connected network instruction interaction system according to claim 3, wherein the data acquisition and processing module acquires data of the power distribution transformer according to a received master station command, analyzes and processes the data, sends data information to a controller of the communication module through a serial port, modulates the data information, and finally sends the data information to a power line through an interface to wait for the master station to receive the data information.
5. The power distribution terminal grid-connected network instruction interaction system according to claim 1, wherein the monitoring module and the detection module are used for collecting image data, temperature data, air composition data and peripheral infrared thermal imaging data of the power equipment, the monitoring module comprises a plurality of cameras installed near the power equipment and infrared thermal imaging cameras installed on the periphery of the power distribution station, the detection module comprises a plurality of temperature sensors and combustible gas concentration sensors, the temperature sensors are installed inside the power equipment, and the combustible gas concentration sensors are installed inside and outside the power equipment at equal intervals.
6. The power distribution terminal grid-connected network command interaction system according to claim 1, wherein the alarm module comprises a plurality of audible and visual alarms, and the audible and visual alarms are installed at corresponding power equipment inside the power distribution substation.
7. The power distribution terminal grid-connected network instruction interaction system according to claim 1, wherein the wireless transmission terminal is configured to transmit the monitoring data integrated and processed by the processor to the power distribution terminal, interact data with the power distribution terminal, and forward the abnormal data fed back by the power distribution terminal to the mobile terminal.
8. The power distribution terminal grid-connected network instruction interaction system according to claim 1, wherein the mobile terminal is configured to receive suspicious data sent by a wireless transmission terminal, and the mobile terminal is specifically a mobile monitoring device.
9. The power distribution terminal grid-connected network instruction interaction system according to claim 1, wherein the monitoring module, the detection module, the alarm module and the wireless transmission terminal are electrically connected with the processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011436551.4A CN112531904B (en) | 2020-12-11 | 2020-12-11 | Network instruction interaction system for grid connection of power distribution terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011436551.4A CN112531904B (en) | 2020-12-11 | 2020-12-11 | Network instruction interaction system for grid connection of power distribution terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112531904A CN112531904A (en) | 2021-03-19 |
| CN112531904B true CN112531904B (en) | 2023-02-03 |
Family
ID=74999275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011436551.4A Active CN112531904B (en) | 2020-12-11 | 2020-12-11 | Network instruction interaction system for grid connection of power distribution terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112531904B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113162227B (en) * | 2021-03-23 | 2023-06-20 | 贵州电网有限责任公司 | Distribution automation system |
| CN114970888B (en) * | 2021-10-08 | 2023-04-18 | 淮阴师范学院 | Component fault analysis system based on electric power electrical control |
| CN113949157A (en) * | 2021-10-12 | 2022-01-18 | 广东电网有限责任公司 | Feeder terminal system and signal supplementing device |
| CN117477794B (en) * | 2023-12-27 | 2024-03-19 | 南京卓威研信息技术有限公司 | Power distribution station power consumption management optimization system and method based on gateway machine data exchange |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207082904U (en) * | 2017-07-19 | 2018-03-09 | 山东科华电力技术有限公司 | A kind of Multifunctional power distribution automated system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102227090B (en) * | 2011-06-27 | 2013-08-21 | 山西省电力公司临汾供电分公司 | Intelligent FA (feeder automation) system of 10kV-carrier communication |
-
2020
- 2020-12-11 CN CN202011436551.4A patent/CN112531904B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207082904U (en) * | 2017-07-19 | 2018-03-09 | 山东科华电力技术有限公司 | A kind of Multifunctional power distribution automated system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112531904A (en) | 2021-03-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112531904B (en) | Network instruction interaction system for grid connection of power distribution terminal | |
| CN105449865A (en) | Intelligent (feeder terminal unit) FTU used for fault positioning and isolating for distribution network | |
| CN104795838A (en) | Intelligent anti-islanding device and automatic islanding detecting and destroying method | |
| CN102116823A (en) | System for automatically judging and positioning faults of automatic blocking and continuous railway power lines in railway distribution network | |
| CN110556923A (en) | Distribution transformer data monitoring terminal, monitoring system and monitoring method | |
| CN204538802U (en) | Middle pressure power transmission and distribution automatic switching control system | |
| CN102263438B (en) | Intelligent running system for distribution substation and control method thereof | |
| CN101969229A (en) | On-line monitoring method for secondary circuit | |
| CN102855729A (en) | Residual current type electric fire monitoring system capable of self-supplying power | |
| CN202929155U (en) | Overhead line real-time detection system based on wireless sensor network | |
| CN210490540U (en) | High-reliability tethered unmanned aerial vehicle airborne power supply control system | |
| CN202033881U (en) | Electric fire monitoring system for realizing remote monitoring by utilizing wireless communication network | |
| CN110865593A (en) | Unattended remote medical oxygen generator monitoring system based on intelligent algorithm | |
| CN110518702A (en) | Line feed terminals, feeder line control system and power network monitoring method | |
| CN111142059A (en) | Intelligent detection device and method for PT unit of outdoor ring main unit | |
| CN212060928U (en) | Electric power warning information display system | |
| CN205123420U (en) | Long -range controlling means that reports an emergency and asks for help or increased vigilance of switching station auxiliary assembly | |
| CN210468895U (en) | Feeder terminal with image processing and comparing functions | |
| CN211603492U (en) | Monitoring device of direct current system | |
| CN114374271A (en) | Comprehensive inspection system and method for transformer substation | |
| KR101652491B1 (en) | multi ground detector for AC and DC | |
| CN102735989A (en) | Mining wireless power failure indicator | |
| CN202119864U (en) | Distribution network feeder online monitoring terminal and monitoring system | |
| CN111668931A (en) | Power distribution operation and maintenance system and power distribution operation and maintenance method | |
| CN104635647A (en) | Wireless transformer substation monitoring and controlling system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |