CN112817244A - Measurement control management system of power distribution network line - Google Patents

Measurement control management system of power distribution network line Download PDF

Info

Publication number
CN112817244A
CN112817244A CN202110128422.7A CN202110128422A CN112817244A CN 112817244 A CN112817244 A CN 112817244A CN 202110128422 A CN202110128422 A CN 202110128422A CN 112817244 A CN112817244 A CN 112817244A
Authority
CN
China
Prior art keywords
distribution network
power distribution
monitoring
network line
information
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.)
Pending
Application number
CN202110128422.7A
Other languages
Chinese (zh)
Inventor
张涵羽
刘永强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Luliang Power Supply Co of State Grid Shanxi Electric Power Co Ltd
Original Assignee
Luliang Power Supply Co of State Grid Shanxi Electric Power Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Luliang Power Supply Co of State Grid Shanxi Electric Power Co Ltd filed Critical Luliang Power Supply Co of State Grid Shanxi Electric Power Co Ltd
Priority to CN202110128422.7A priority Critical patent/CN112817244A/en
Publication of CN112817244A publication Critical patent/CN112817244A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00Programme-control systems
    • G05B19/02Programme-control systems electric
    • G05B19/04Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D21/00Measuring or testing not otherwise provided for
    • G01D21/02Measuring two or more variables by means not covered by a single other subclass
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/18Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
    • H04N7/183Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a single remote source

Abstract

The invention discloses a measurement control management system of a power distribution network line, which comprises a data acquisition unit, an electric leakage monitoring device, an information display unit and a power distribution network control platform, wherein the data acquisition unit is used for measuring and monitoring the power distribution network line information to acquire related power distribution network line information, the power distribution network line information acquired by the data acquisition unit is transmitted to a main station system unit through a wireless data transmission module, the main station system unit transmits the power distribution network line information to the power distribution network control platform, the measurement control management system of the power distribution network line is used for rapidly positioning faults and timely recovering power supply, shortening problem processing time, reducing operation maintenance cost and cost, has extremely strong anti-interference capability, ensures stable transmission of data, ensures stable, safe and reliable data and timely monitoring of electric leakage, the power distribution network is always in the optimal running state with safety, reliability, high quality, economy and high efficiency.

Description

Measurement control management system of power distribution network line
Technical Field
The invention relates to the technical field of power distribution networks, in particular to a measurement control management system for a power distribution network line.
Background
The distribution network is a power network which receives electric energy from a transmission network or a regional power plant, distributes the electric energy to various users on site through distribution facilities or distributes the electric energy to various users step by step according to voltage, and consists of overhead lines, cables, towers, distribution transformers, isolating switches, reactive power compensators, auxiliary facilities and the like. The distribution system is a power network system which is composed of various distribution equipment (or elements) and distribution facilities and used for converting voltage and directly distributing power to end users, the distribution network is composed of overhead lines, towers, cables, distribution transformers, switching equipment, reactive compensation capacitors and other distribution equipment and accessory facilities, and the distribution network is mainly used for distributing power in a power network. From the viewpoint of the nature of the distribution network, the distribution network equipment also includes distribution devices of the substations.
The distribution network generally refers to a power line of 10 kilovolts or less, and equipment and facilities for power transformation, power distribution, protection, control and the like in the line, which are important parts for directly supplying power to end users in a power system and undertake the important task of conveying power energy to thousands of households, a power grid company needs workers to regularly and safely check the company, so that the problems of low response speed, low efficiency and the like generally exist due to the fact that the traditional manpower management means is prone to generate time and labor waste, the use effect is further influenced, and the market development requirements are difficult to meet due to the fact that the quantity of the power equipment is large, and meanwhile, the problems are generally solved by the aid of a measurement control management system for the power distribution network line, wherein the measurement control management system for the power distribution network line is provided.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a measurement control management system for a power distribution network line, which aims to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a measurement control management system of a power distribution network line comprises a data acquisition unit, an electric leakage monitoring device, an information display unit and a power distribution network control platform, wherein the data acquisition unit is wirelessly connected with a main station system unit through a wireless data transmission module, the output end of the main station system unit is electrically connected with the input end of the power distribution network control platform, the data acquisition unit is used for measuring and monitoring the power distribution network line information to acquire related power distribution network line information, the power distribution network line information acquired by the data acquisition unit is transmitted to the main station system unit through the wireless data transmission module, the main station system unit transmits the power distribution network line information to the power distribution network control platform, the electric leakage monitoring device is electrically connected with the power distribution network control platform through a communication module, the output end of the power distribution network control platform is electrically connected with the input end of the information display unit through a 4G wireless external network, the output end of the power distribution network control platform is electrically connected with the input ends of the alarm module and the recording unit.
Further optimizing the technical scheme, the data acquisition unit comprises a switch control module, a temperature sensor, a humidity sensor, a current sensor, a voltage sensor and a monitoring camera, the switch control module is used for carrying out switch control on the power distribution network line, the model of the temperature sensor is PT100, the temperature sensor is used for carrying out temperature monitoring on the power distribution network line, the model of the humidity sensor is LM-410, the humidity sensor is used for carrying out humidity information monitoring on the power distribution network line, the model of the current sensor is a Hall current sensor of HAS 100-S, the current sensor is used for carrying out current monitoring management on the power distribution network line, the model of the voltage sensor is WPE-DV, the voltage sensor is used for carrying out voltage monitoring management on the power distribution network line, the monitoring camera is installed around the power distribution network line, and monitoring the surrounding environment of the power distribution network line by using the monitoring camera.
Further optimizing the technical solution, the wireless data transmission module: and the data is transmitted to the DTU from the data acquisition unit, and the DTU transmits the data to the appointed master station system unit by using 4G/3G signals through wireless data transmission communication.
Further optimizing the technical scheme, the master station system unit: the main station system provides feeder automation, GIS, remote control and alarm, and is used for completing quick positioning and isolation of line faults and power supply recovery of non-fault sections.
The technical scheme is further optimized, the electric leakage monitoring equipment is installed in the lighting control box, whether electric leakage conditions exist in the lighting power supply cable and the controlled equipment or not is judged by monitoring and sampling the electric leakage current of each load cable, the electric leakage monitoring terminal has the main function of executing a monitoring platform command, and various measurement parameters, various faults and crisis conditions are automatically reported to the monitoring platform according to a reserved control decision when no command exists.
Further optimizing the technical scheme, the communication module is a bridge for communication between the power distribution network control platform and the on-site electric leakage monitoring equipment, the electric leakage monitoring terminal utilizes the GPRS network of the automatic monitoring system to communicate with the electric leakage monitoring system, and simultaneously, the GSM network can be utilized to directly send the line electric leakage alarm to the mobile phone of the manager in a short message mode.
Further optimizing the technical scheme, the power distribution network control platform mainly comprises hardware equipment and power distribution network control platform system software, wherein the hardware equipment comprises a server, a monitoring computer, a display system and UPS power supply equipment and is used for supporting the operation of a software system.
Further optimize this technical scheme, the information display unit includes LED display screen, computer terminal and cell-phone, the LED display screen adopts high clear liquid display, computer terminal can carry out record information collection and flow management, and the cell-phone can receive the information with SMS or public number or APP form, utilizes the information display unit to carry out the show of electric power information.
Further optimizing the technical scheme, the recording unit comprises a microcomputer and a memory, the output end of the microcomputer is electrically connected with the input end of the memory, and the microcomputer and the memory are used for recording and process management so as to generate various event processing process tables, type event analysis tables, year-month-season comprehensive reports and data information and store the electric power and electrical information.
Further optimize this technical scheme, alarm module inside is provided with the buzzer siren, carry out radio connection between buzzer siren and the power distribution network control platform, the model of buzzer siren is LTE-1101J, utilizes the buzzer siren to carry out the security state and reports to the police.
Compared with the prior art, the invention provides a measurement control management system for a power distribution network line, which has the following beneficial effects:
this measurement control management system of electric power distribution network circuit fixes a position the trouble fast, in time resumes power supply, shortens the problem handling time, reduces the operation maintenance cost, reduce cost, possesses extremely strong interference killing feature, ensures the stable transmission of data, ensures the stable safe and reliable of data, in time carries out electric leakage control, makes the distribution network be in safe, reliable, high-quality, economy, efficient optimum running state all the time.
Drawings
Fig. 1 is a schematic diagram of a control system of a measurement control management system of a power distribution network line according to the present invention;
fig. 2 is a schematic diagram of an information display unit of a measurement control and management system of a power distribution network line according to the present invention;
fig. 3 is a schematic diagram of a data acquisition unit of a measurement control management system of a power distribution network line according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, a measurement control management system for power distribution network lines includes a data acquisition unit, an electric leakage monitoring device, an information display unit and a power distribution network control platform, the data acquisition unit is wirelessly connected to a master station system unit through a wireless data transmission module, an output end of the master station system unit is electrically connected to an input end of the power distribution network control platform, the data acquisition unit is used for measuring and monitoring the power distribution network line information to obtain related power distribution network line information, the power distribution network line information acquired by the data acquisition unit is transmitted to the master station system unit through the wireless data transmission module, the master station system unit transmits the power distribution network line information to the power distribution network control platform, the electric leakage monitoring device is electrically connected to the power distribution network control platform through a communication module, the output of electric power distribution network control platform is connected with the input of information display unit through the wireless outer net electricity of 4G, the output electricity of electric power distribution network control platform is connected with alarm module and record unit's input, this electric power distribution network line's measurement control management system, fix a position the trouble fast, in time resume power supply, shorten the problem processing time, reduce the operation maintenance cost, reduce cost, possess extremely strong interference killing feature, ensure the steady transmission of data, ensure the stable safe and reliable of data, in time carry out the electric leakage control, make the distribution network be in safety all the time, reliable, high-quality, economy, efficient optimum running state.
As a specific optimization scheme of this embodiment, the data acquisition unit includes a switch control module, a temperature sensor, a humidity sensor, a current sensor, a voltage sensor and a monitoring camera, the switch control module is configured to perform switch control on the power distribution network line, the temperature sensor is PT100 in model, the temperature sensor is used to perform temperature monitoring on the power distribution network line, the humidity sensor is LM-410 in model, the humidity sensor is used to perform humidity information monitoring on the power distribution network line, the current sensor is a hall current sensor of HAS 100-S in model, the current sensor is used to perform current monitoring management on the power distribution network line, the voltage sensor is WPE-DV in model, the voltage sensor is used to perform voltage monitoring management on the power distribution network line, the monitoring camera is installed around the power distribution network line, and monitoring the surrounding environment of the power distribution network line by using the monitoring camera.
As a specific optimization scheme of this embodiment, the wireless data transmission module: and the data is transmitted to the DTU from the data acquisition unit, and the DTU transmits the data to the appointed master station system unit by using 4G/3G signals through wireless data transmission communication.
As a specific optimization scheme of this embodiment, the master station system unit: the main station system provides feeder automation, GIS, remote control and alarm, and is used for completing quick positioning and isolation of line faults and power supply recovery of non-fault sections.
As a specific optimization scheme of this embodiment, the leakage monitoring device is installed in the lighting control box, and determines whether the leakage condition exists in the lighting power supply cable and the controlled device by monitoring and sampling the leakage current of each load cable, and the leakage monitoring terminal has a main function of executing a monitoring platform command, and automatically reports various measurement parameters, various faults and crisis conditions to the monitoring platform according to a reserved control decision when there is no instruction.
As a specific optimization scheme of this embodiment, the communication module is a bridge for communication between the power distribution network control platform and the on-site leakage monitoring device, the leakage monitoring terminal communicates with the leakage monitoring system by using a GPRS network of the automatic monitoring system, and meanwhile, the GSM network can be used to directly send a line leakage alarm to a mobile phone of a manager in a short message manner, so as to implement timeliness of the alarm.
As a specific optimization scheme of this embodiment, the power distribution network control platform mainly includes hardware devices and power distribution network control platform system software, where the hardware devices include a server, a monitoring computer, a display system, and a UPS power device, and are used to support the operation of the software system, and the power distribution network control platform mainly provides a human-computer interaction interface with the leakage monitoring device, sets related operation parameters, displays the real-time state of the leakage monitoring device, timely and actively prompts alarm information, forwards the alarm information, and automatically processes the operation, so that the urban lighting management can be automated and intelligent, and the management level of a manager is improved.
As the specific optimization scheme of this embodiment, the information display unit includes LED display screen, computer terminal and cell-phone, the LED display screen adopts high clear liquid display, computer terminal can carry out record acquisition information and flow management, and the cell-phone can receive the information with SMS or public number or APP form, utilizes the information display unit to carry out the show of electric power information.
As a specific optimization scheme of this embodiment, the recording unit includes a microcomputer and a memory, an output end of the microcomputer is electrically connected to an input end of the memory, and the microcomputer and the memory are used for recording and process management to generate various event processing process tables, type event analysis tables, year-month-season comprehensive reports and data information, and store the power electrical information.
As a specific optimization scheme of this embodiment, a buzzer alarm is arranged inside the alarm module, the buzzer alarm is in radio connection with the power distribution network control platform, the type of the buzzer alarm is LTE-1101J, and the buzzer alarm is used for giving an alarm in a safe state.
The invention has the beneficial effects that: this measurement control management system of electric power distribution network circuit fixes a position the trouble fast, in time resumes power supply, shortens the problem handling time, reduces the operation maintenance cost, reduce cost, possesses extremely strong interference killing feature, ensures the stable transmission of data, ensures the stable safe and reliable of data, in time carries out electric leakage control, makes the distribution network be in safe, reliable, high-quality, economy, efficient optimum running state all the time.
The related modules involved in the system are all hardware system modules or functional modules combining computer software programs or protocols with hardware in the prior art, and the computer software programs or the protocols involved in the functional modules are all known in the technology of persons skilled in the art, and are not improvements of the system; the improvement of the system is the interaction relation or the connection relation among all the modules, namely the integral structure of the system is improved, so as to solve the corresponding technical problems to be solved by the system.
It should be noted that, in the embodiment of the above search apparatus, each included unit and module are merely divided according to functional logic, but are not limited to the above division as long as the corresponding functions can be implemented; in addition, specific names of the functional units are only for convenience of distinguishing from each other, and are not used for limiting the protection scope of the present invention.
It should be noted that the foregoing is only a preferred embodiment of the invention and the technical principles employed, and those skilled in the art will understand that the invention is not limited to the specific embodiments described herein, and that various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims (10)

1. The utility model provides a measurement control management system of electric power distribution network line, includes data acquisition unit, electric leakage monitoring facilities, information display unit and electric power distribution network control platform, a serial communication port, the data acquisition unit is connected with main website system unit through wireless data transmission module radio, the output electricity of main website system unit is connected with electric power distribution network control platform's input, the data acquisition unit is used for measuring the control to electric power distribution network line information, acquires relevant electric power distribution network line information, transmits the electric power distribution network line information that the data acquisition unit gathered for main website system unit through wireless data transmission module, main website system unit transmits electric power distribution network line information for electric power distribution network control platform, electric leakage monitoring facilities is connected with electric power distribution network control platform through communication module electricity, electric power distribution network control platform's output is connected with information display unit's input through 4G wireless external network electricity And the output end of the power distribution network control platform is electrically connected with the input ends of the alarm module and the recording unit.
2. The system of claim 1, wherein the data acquisition unit comprises a switch control module, a temperature sensor, a humidity sensor, a current sensor, a voltage sensor and a monitoring camera, the switch control module is used for performing switch control on the power distribution network line, the temperature sensor is of type PT100, the temperature sensor is used for performing temperature monitoring on the power distribution network line, the humidity sensor is of type LM-410, the humidity sensor is used for performing humidity information monitoring on the power distribution network line, the current sensor is of type HAS 100-S Hall current sensor, the current sensor is used for performing current monitoring management on the power distribution network line, the voltage sensor is of type WPE-DV, and the voltage sensor is used for performing voltage monitoring management on the power distribution network line, the monitoring cameras are installed around the power distribution network cable, and the monitoring cameras are used for monitoring the surrounding environment of the power distribution network cable.
3. The system of claim 1, wherein the wireless data transmission module: and the data is transmitted to the DTU from the data acquisition unit, and the DTU transmits the data to the appointed master station system unit by using 4G/3G signals through wireless data transmission communication.
4. The measurement control and management system for power distribution network lines according to claim 1, wherein the master station system unit: the main station system provides feeder automation, GIS, remote control and alarm, and is used for completing quick positioning and isolation of line faults and power supply recovery of non-fault sections.
5. The system of claim 1, wherein the leakage monitoring device is installed in the lighting control box, and the leakage current of each load cable is monitored and sampled to determine whether the leakage condition exists in the lighting power supply cable and the controlled device, and the leakage monitoring terminal has the main functions of executing a monitoring platform command, and automatically reporting various measurement parameters, various faults and crisis conditions to the monitoring platform according to a reserved control decision when no command exists.
6. The system of claim 1, wherein the communication module is a bridge for communication between the power distribution network control platform and the on-site leakage monitoring device, and the leakage monitoring terminal communicates with the leakage monitoring system via a GPRS network of the automatic monitoring system, and simultaneously, via a GSM network, the system leakage alarm is directly sent to the mobile phone of the manager via a short message.
7. The system of claim 6, wherein the power distribution network control platform is mainly composed of hardware devices and power distribution network control platform system software, wherein the hardware devices comprise a server, a monitoring computer, a display system and a UPS (uninterrupted Power supply) device, and are used for supporting the operation of the software system.
8. The system of claim 1, wherein the information display unit comprises an LED display screen, a computer terminal and a mobile phone, the LED display screen adopts a high-definition liquid crystal display screen, the computer terminal can record acquisition information and process management, the mobile phone can receive information in the form of short messages or public numbers or APP, and the information display unit is used for displaying electric power information.
9. The system of claim 1, wherein the recording unit comprises a microcomputer and a memory, an output end of the microcomputer is electrically connected to an input end of the memory, and the microcomputer and the memory are used for recording and process management to generate various event processing tables, type event analysis tables, year-month-year comprehensive reports and data information for storing electrical and electrical information of power.
10. The system for measuring, controlling and managing the power distribution network lines as claimed in claim 1, wherein a buzzer alarm is arranged inside the alarm module, the buzzer alarm is in radio connection with the power distribution network control platform, the type of the buzzer alarm is LTE-1101J, and the buzzer alarm is used for alarming in a safety state.
CN202110128422.7A 2021-01-29 2021-01-29 Measurement control management system of power distribution network line Pending CN112817244A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110128422.7A CN112817244A (en) 2021-01-29 2021-01-29 Measurement control management system of power distribution network line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110128422.7A CN112817244A (en) 2021-01-29 2021-01-29 Measurement control management system of power distribution network line

Publications (1)

Publication Number Publication Date
CN112817244A true CN112817244A (en) 2021-05-18

Family

ID=75860285

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110128422.7A Pending CN112817244A (en) 2021-01-29 2021-01-29 Measurement control management system of power distribution network line

Country Status (1)

Country Link
CN (1) CN112817244A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113408763A (en) * 2021-08-04 2021-09-17 国网江西省电力有限公司宜春供电分公司 Power distribution network production emergency repair system based on Internet of things

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1973018A2 (en) * 2007-03-21 2008-09-24 Honeywell International Inc. Integrated electrical power distribution system using common building blocks
CN202003180U (en) * 2011-03-28 2011-10-05 贺伟 Low-voltage power distribution intelligent controller
CN202524170U (en) * 2012-04-24 2012-11-07 云南电网公司怒江供电局 Feeder automation system
CN104037945A (en) * 2014-06-25 2014-09-10 国家电网公司 Distribution network automation system
CN104410169A (en) * 2014-12-18 2015-03-11 国网四川大英县供电有限责任公司 Intelligent and online area monitoring system and implementation method thereof
US20160095189A1 (en) * 2014-09-29 2016-03-31 Koninklijke Philips N.V Systems and methods for lighting control
CN209267271U (en) * 2018-10-16 2019-08-16 国网江西省电力有限公司吉安供电分公司 A kind of electrical power distribution automatization system
CN111077817A (en) * 2019-12-05 2020-04-28 国网山西省电力公司晋城供电公司 Security monitoring management system for power company based on Internet of things

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1973018A2 (en) * 2007-03-21 2008-09-24 Honeywell International Inc. Integrated electrical power distribution system using common building blocks
CN202003180U (en) * 2011-03-28 2011-10-05 贺伟 Low-voltage power distribution intelligent controller
CN202524170U (en) * 2012-04-24 2012-11-07 云南电网公司怒江供电局 Feeder automation system
CN104037945A (en) * 2014-06-25 2014-09-10 国家电网公司 Distribution network automation system
US20160095189A1 (en) * 2014-09-29 2016-03-31 Koninklijke Philips N.V Systems and methods for lighting control
CN104410169A (en) * 2014-12-18 2015-03-11 国网四川大英县供电有限责任公司 Intelligent and online area monitoring system and implementation method thereof
CN209267271U (en) * 2018-10-16 2019-08-16 国网江西省电力有限公司吉安供电分公司 A kind of electrical power distribution automatization system
CN111077817A (en) * 2019-12-05 2020-04-28 国网山西省电力公司晋城供电公司 Security monitoring management system for power company based on Internet of things

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113408763A (en) * 2021-08-04 2021-09-17 国网江西省电力有限公司宜春供电分公司 Power distribution network production emergency repair system based on Internet of things

Similar Documents

Publication Publication Date Title
CN102427277B (en) Area intelligent power distribution network system
CN102227090A (en) Intelligent FA (feeder automation) system of 10kV-carrier communication
CN212012259U (en) Low-voltage distribution network state monitoring system with intelligent distribution transformer terminal
CN109412273B (en) Remote supervision system for base station power supply
CN211296946U (en) Railway electric power comprehensive operation and maintenance management system
CN202260451U (en) Regional intelligent distribution network system
CN112073693A (en) AR glasses and intelligent patrol remote control system
CN104237735A (en) Modeling and fault analysis method combining fault indicator and power distribution terminal
CN204906004U (en) Distributed intelligent regional power grid of network layering
CN204330940U (en) A kind of line fault monitoring system
CN114139742A (en) Power distribution network management and control system and management and control method
CN112817244A (en) Measurement control management system of power distribution network line
CN201796281U (en) Streetlamp intelligent monitoring terminal and streetlamp wide-area monitoring system
CN203251142U (en) Switch cabinet integrated monitoring terminal
CN215267790U (en) Low-voltage distribution network intelligent branch line monitoring device
CN201608563U (en) Electric arc light intelligent remote monitoring system
CN202333779U (en) Small-current grounding fault detecting and isolating device and system
CN213813799U (en) Intelligent monitoring device for distribution network equipment cable clamp
CN211151617U (en) Low-voltage distribution automation system
CN203965567U (en) A kind of two distant electric power monitorings and Fault Quick Diagnosis system
CN208707803U (en) A kind of intelligent building wireless monitoring device
CN211429001U (en) Monitoring management system of power distribution network
CN110086261B (en) Industrial feeder line distribution terminal
CN210639233U (en) Power distribution network fault monitoring device based on mobile internet
CN202353323U (en) Direct current monitoring system for transformer substations

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