CN106712298B - Monitoring system for distribution automation system - Google Patents
Monitoring system for distribution automation system Download PDFInfo
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- CN106712298B CN106712298B CN201710057180.0A CN201710057180A CN106712298B CN 106712298 B CN106712298 B CN 106712298B CN 201710057180 A CN201710057180 A CN 201710057180A CN 106712298 B CN106712298 B CN 106712298B
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 50
- 238000004891 communication Methods 0.000 claims abstract description 22
- 230000003993 interaction Effects 0.000 claims abstract description 7
- 238000011217 control strategy Methods 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 12
- 238000012423 maintenance Methods 0.000 abstract description 25
- 238000012545 processing Methods 0.000 description 6
- 230000006870 function Effects 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000036632 reaction speed Effects 0.000 description 2
- 238000013480 data collection Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- H02J13/0075—
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- 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
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- 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
- Y04S40/124—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 wired telecommunication networks or data transmission busses
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- 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
Abstract
The invention discloses a monitoring system for a power distribution automation system, which comprises a line patrol device and a plurality of distribution network management devices, wherein the line patrol device comprises a plurality of monitoring units and a plurality of monitoring units; the distribution network management equipment comprises: the network module is used for constructing a token ring network and realizing data interaction of each node in the token ring network; the data acquisition module is used for acquiring monitoring data of the corresponding loop and/or equipment; the report generation module is used for generating report data according to the monitoring data and/or the feedback characteristic of the token frame of the token ring network through the processor; and the wireless communication module is used for sending the report data to a preset line patrol device. The line patrol device is used for receiving and displaying fault report data, accessing the distribution network management equipment through the access interface and serving as input and output equipment of the distribution network management equipment; since the maintenance personnel can receive the relevant report the first time when the equipment in the distribution automation system fails; the maintenance efficiency of each device in the distribution automation system can be effectively improved.
Description
Technical Field
The invention relates to the field of electric power, in particular to a monitoring system for a distribution automation system.
Background
The distribution automation system is an automation system which can enable a distribution enterprise to monitor, coordinate and operate distribution equipment in a real-time manner at a remote place;
distribution network automation systems generally consist of: the power distribution system comprises a power distribution main station, a power distribution substation, distribution network management equipment and a communication network;
the Distribution network management device generally includes Feeder Terminal equipment (FTU), Distribution automation Terminal (DTU), Distribution transformer monitoring Terminal (TTU), and other devices.
Taking a feeder terminal device as an example, the feeder terminal device is an intelligent terminal device installed on a distribution room or a feeder; feeder terminal equipment generally has remote control, remote signaling, remote measuring and fault detection functions, and can realize data communication with a main station in a distribution automation system. And the server in the main station performs centralized processing according to the data acquired by the feeder terminal equipment to generate a detection result.
In the prior art, feeder terminal equipment collects and uploads monitoring data such as operation and fault information of multi-loop line voltage, line current, zero sequence current, equipment state and the like of a power distribution automation system, and forms the power distribution network automation system with background software of a server located in a main station. Therefore, when the power distribution equipment in a loop breaks down, the master station server presents a monitoring result through the display, and only after monitoring personnel see the monitoring result through the display, the fault condition can be known; at this time, the monitoring personnel is required to notify corresponding operation and maintenance personnel, and the operation and maintenance personnel find out the faulty equipment according to the notification content of the monitoring personnel and perform fault maintenance.
The inventor finds that, in a fault maintenance mode in the prior art, operation and maintenance personnel need to perform corresponding maintenance after receiving the notification of the monitoring personnel in the main station, so that the maintenance efficiency of the power distribution network is often affected due to untimely notification of the detection personnel or wrong notification content.
Disclosure of Invention
The invention aims to solve the technical problem of how to improve the maintenance efficiency of a power distribution network, and specifically comprises the following steps: the embodiment of the invention provides a monitoring system for a power distribution automation system, which comprises a line patrol device and a plurality of distribution network management devices, wherein the line patrol device comprises a plurality of network management devices;
the distribution network management equipment comprises a network module, a data acquisition module, a report generation module, a wireless communication module and an access interface;
the network module is used for constructing a token ring network by taking distribution network management equipment belonging to the same distribution automation system as nodes and realizing data interaction of each node in the token ring network; the data acquisition module is used for acquiring monitoring data of a corresponding loop and/or a power distribution automation terminal; the report generation module is used for generating report data according to the monitoring data and/or the transmission characteristic or the feedback characteristic of the token frame of the token ring network through a processor; the wireless communication module is used for sending the report data to a preset line patrol device;
the line patrol device is used for receiving and displaying the fault report data, accessing the distribution network management equipment through the access interface and serving as input and output equipment of the distribution network management equipment.
Preferably, in an embodiment of the present invention, the network module comprises a multi-station access unit MAU.
Preferably, in the embodiment of the present invention, the monitoring data includes one or any combination of line voltage, line current, zero sequence current and equipment state.
Preferably, in the embodiment of the present invention, the wireless communication module includes a 3G, 4G or GSM wireless communication module.
Preferably, in the embodiment of the present invention, the line patrol apparatus is disposed in a mobile phone, a PAD, or a notebook computer.
Preferably, in this embodiment of the present invention, the passing or feedback characteristic of the token frame includes whether the node can answer the token frame.
Preferably, in this embodiment of the present invention, the fault report data includes a node identifier of a node that cannot respond to the token frame.
Preferably, in the embodiment of the present invention, the distribution network management device further includes:
the fault analysis module is used for generating a corresponding control strategy according to the monitoring data and/or the transmission or feedback characteristics of the token frame of the token ring network; the control strategy comprises a combination mode of on-off states of each loop and/or a distribution automation terminal in the distribution automation system;
and the control unit is used for controlling the on-off state of the switch of the loop and/or the distribution automation terminal according to the control strategy.
According to the embodiment of the invention, the token ring network with the distribution network management equipment as the nodes is constructed, so that data interaction among the nodes in the token ring network can be realized; through the transmission or feedback characteristics of token frames sequentially transmitted along the ring topology structure in the token ring network, a node with a fault in the distribution automation system can be judged in an auxiliary manner. In the embodiment of the invention, the distribution network management equipment also comprises a micro-processing system, and the data processing is realized through a processor and corresponding software; therefore, the report data can be generated according to the monitoring data acquired by the data acquisition module and the transmission characteristic or the feedback characteristic of the token frame of the token ring network, namely, in the embodiment of the invention, the report data can be obtained in the distribution network management equipment; next, in the embodiment of the present invention, since the wireless communication module is further included, after the report data is generated, the report data can be transmitted to the corresponding line patrol apparatus in real time. In practical application, the line patrol device (which can be arranged in a mobile terminal such as a mobile phone) can be directly carried by operation and maintenance personnel, so that the operation and maintenance personnel can receive a relevant report at the first time when equipment in the distribution automation system breaks down; the reaction speed to the malfunction can be improved; in addition, since the link of transferring the report of the monitoring personnel of the regulation center in the prior art is omitted in the embodiment of the invention, the negative influence caused by the error of transferring the report under the fault condition is avoided;
meanwhile, in the prior art, a monitoring person of the master station system is also required to manually set a feeder automation scheme (for example, which switch is separated first and then closed, and the like), so that the requirement on the technical level of workers is high, and common people are difficult to compete, so that the automation degree of a distribution network automation line is low, and the distribution network automation line depends on the experience of the workers; by the embodiment of the invention, the control strategy corresponding to the fault can be automatically generated, so that the labor cost can be further reduced.
Therefore, the embodiment of the invention can effectively improve the maintenance efficiency of each device in the distribution automation system.
In addition, in the embodiment of the invention, manual monitoring for 24 hours is not needed through the server of the main station, so that the labor cost can be effectively saved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic diagram of a network topology of a monitoring system for distribution automation systems as described in the present application;
fig. 2 is a schematic structural diagram of a distribution network management device in a monitoring system for a distribution automation system according to the present application.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in 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.
In order to improve the maintenance efficiency of the power distribution network, an embodiment of the present invention provides a monitoring system for a distribution automation system, as shown in fig. 1 and fig. 2, including a plurality of distribution network management devices 01 and a line patrol apparatus 02;
the distribution network management equipment comprises a network module 11, a data acquisition module 12, a report generation module 13, a wireless communication module 14 and an access interface 15;
the network module 11 is used for constructing a token ring network by taking distribution network management equipment belonging to the same distribution automation system as nodes and realizing data interaction of each node in the token ring network; the data acquisition module 12 is configured to acquire monitoring data of a corresponding loop and/or a distribution automation terminal; the report generating module 13 is configured to generate report data according to the monitoring data and/or a transmission characteristic or a feedback characteristic of a token frame of the token ring network through the processor; the wireless communication module 14 is configured to send the report data to a preset line patrol device;
the line patrol device 02 is used for receiving and displaying fault report data, accessing the distribution network management equipment 01 through the access interface 15, and serving as input and output equipment of the distribution network management equipment 01.
In the embodiment of the present invention, the Distribution network management device is a device that implements management and maintenance of the power Distribution network by detecting electrical parameters of devices of the power Distribution network, and typically, the Distribution network management device may include devices such as a Feeder Terminal Unit (FTU), a Distribution automation Terminal (DTU), and a Distribution Transformer monitoring Terminal (TTU).
In practical applications, the distribution network management device 01 in the embodiment of the present invention may include a microprocessor System, that is, the technical solution in the embodiment of the present invention is implemented by a processor and corresponding software, for example, the technical solution may be implemented by providing a System on a chip (SOC). The software may include a plurality of software, and may be a specific implementation of various functional modules that may be implemented by software in the embodiment of the present invention, for example, the report generating module 13 and the like; in addition, the software in the embodiment of the present invention may also include program modules for assisting in implementing functions of specific hardware devices, such as drivers of the network module 11, the data acquisition module 12, or the wireless communication module 14, and application implementation programs.
The distribution network management device 01 in the embodiment of the present invention includes a network module 11, and since the token ring network is constructed in the embodiment of the present invention, the network module 11 may specifically be a multi-station Access Unit (MAU); by arranging the network module 11, a network with a ring-shaped topological structure can be constructed, and data interaction of each node between the networks is realized. The topology structure of the token ring network in the implementation of the present invention can be as shown in fig. 2, the distribution network management device 01 in each node monitors and collects the monitoring data of each loop of the distribution network and the distribution automation terminal corresponding thereto through the data collection module 12, and each node can share the monitoring data through the token ring network. Specifically, the monitoring data may generally include line voltage, line current, zero sequence current, and equipment status data.
In the embodiment of the present invention, the wireless communication module 14 is further included, so that after the fault report data is generated, the fault report data can be transmitted to the corresponding line patrol apparatus 02 in real time. In practical application, the wireless communication module 14 may be a wireless communication module such as 3G, 4G, or GSM, and through a telecommunication network, a maintenance person can get rid of the limitation of the receiving location, and can receive a relevant report at the first time when a device in the power distribution network fails through the portable line patrol device 02; therefore, the maintenance personnel can improve the response speed to the fault in the power distribution network; in the embodiment of the present invention, the line patrol apparatus may be a software program, and may be installed in a mobile terminal such as a mobile phone, a PAD, or a notebook with a wireless communication function, as long as the mobile terminal can receive information transmitted via a telecommunication network. In addition, since the link of transferring the report of the monitoring personnel in the prior art is omitted in the embodiment of the invention, the negative influence caused by the error of transferring the report in the fault condition is avoided.
The characteristic of token frame transmission or feedback in the embodiment of the present invention may typically be whether a node (distribution network management device) can respond to a token frame, that is, when token frames are sequentially transmitted in a ring topology structure of a token network, if a certain node cannot respond, it is said that the distribution network management device has a fault.
Further, in the embodiment of the present invention, the fault report data may further include a node identifier of a node that cannot respond to the token frame, so that the fault report data may be used to assist in determining a fault point of the equipment fault of the power distribution network.
In addition, in the embodiment of the present invention, the line patrol apparatus 02 may also correct various software or parameters in the distribution network management device 01, and receive and view data. Because the line patrol device 02 is arranged on the mobile terminal which is convenient for the maintenance personnel to carry, the distribution network management equipment 01 can be conveniently accessed one by connecting the access interface 15 on the distribution network management equipment 01. The line patrol device 02 can access and control the distribution network management apparatus 01 through its display unit and input/output devices such as a keyboard or a mouse.
In summary, in the distribution automation monitoring system in the embodiment of the present invention, a token ring network using distribution network management devices as nodes is constructed, so that data interaction between nodes in the token ring network can be realized; through the transmission or feedback characteristics of token frames sequentially transmitted along the ring topology structure in the token ring network, a node with a fault in the distribution automation system can be judged in an auxiliary manner. In the embodiment of the invention, the distribution network management equipment further comprises a micro-processing system, and the data processing is realized through a processor and a corresponding software application system; therefore, fault report data can be generated according to the monitoring data acquired by the data acquisition module and the transmission or feedback characteristics of the token frame of the token ring network, namely, in the embodiment of the invention, the fault report data can be obtained in the distribution network management equipment; next, in the embodiment of the present invention, since the wireless communication module is further included, after the fault report data is generated, the fault report data can be transmitted to the corresponding line patrol apparatus in real time. In practical application, the line patrol device can be directly carried by a maintenance person, so that the maintenance person can receive a relevant report at the first time when equipment in the distribution automation system fails; the reaction speed to the malfunction can be improved; in addition, the embodiment of the invention also subtracts the link of transferring the report of the monitoring personnel in the prior art, thereby avoiding the negative influence caused by the error of transferring the report under the fault condition.
Therefore, the embodiment of the invention can effectively improve the maintenance efficiency of each device in the distribution automation system.
Preferably, in the embodiment of the present invention, a fault analysis module (not shown in the figure) and a control unit (not shown in the figure) may be further included;
the fault analysis module is used for generating a corresponding control strategy according to the monitoring data and/or the transmission characteristic or the feedback characteristic of the token frame of the token ring network through a processor; the control strategy comprises a combination mode of the on-off states of each loop and/or a distribution automation terminal in the distribution automation system; the control unit is used for controlling the on-off state of the switch of the loop and/or the distribution automation terminal according to the control strategy.
In the embodiment of the invention, the corresponding control strategy can be automatically generated according to the difference of the fault position and the fault type of the equipment to automatically execute the preliminary maintenance, so that the fault tolerance of the whole power distribution network is improved, and the negative influence caused by the equipment fault is reduced.
In practical application, the implementation of the embodiment of the invention requires opening the distribution automation terminal and the corresponding control function in the distribution network, that is, the distribution automation terminal can realize the control of the running state and the on-off state of the switch thereof through the set control device.
For example, in a power distribution network, if one or more devices fail, some failed devices can be bypassed by closing or opening their switches; therefore, a new power distribution network structure is temporarily constructed to maintain the overall operation of the power distribution network, so that the influence caused by equipment failure is reduced as much as possible; in addition, the corresponding operations may also include adjusting the operational status of certain devices.
In the embodiment of the present invention, the distribution network management device in each node monitors and collects the monitoring data of each loop of the distribution network and the distribution automation terminal corresponding to the distribution network management device, and each node can share the monitoring data through the token ring network. Therefore, the real-time state of the node and the real-time states of the upstream and downstream nodes of the current node can be obtained by comparing the monitoring data of the adjacent nodes through the fault analysis module. After the fault analysis module acquires the content in the report data, a corresponding control strategy can be formulated through a preset algorithm to analyze which switches of the distribution automation terminals in the power distribution network are required to be opened or closed, or which operation states of the distribution automation terminals are required to be adjusted; then, the control unit can generate a corresponding control command according to the control strategy to implement on-off control on the corresponding distribution automation terminal; therefore, automatic isolation of fault sections and self-healing of non-fault sections in the power distribution network are achieved.
Therefore, by the embodiment of the invention, the real-time and automatic maintenance operation of the fault can be realized without manual intervention of maintenance personnel, so that the maintenance efficiency of the power distribution network is greatly improved.
In the embodiments provided in the present invention, it should be understood that the disclosed system, apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a usb disk, a removable hard disk, a Read-only Memory (ROM), a Random Access Memory (RAM), a ReRAM, an MRAM, a PCM, a NAND Flash, a NOR Flash, a memrisor, a magnetic or optical disk, and other various media capable of storing program codes.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (4)
1. A monitoring system for a distribution automation system is characterized by comprising a line patrol device and a plurality of distribution network management devices;
the distribution network management equipment comprises a network module, a data acquisition module, a report generation module, a wireless communication module and an access interface;
the network module is used for constructing a token ring network by taking distribution network management equipment belonging to the same distribution automation system as nodes and realizing data interaction of each node in the token ring network; the data acquisition module is used for acquiring monitoring data of a corresponding loop and/or a power distribution automation terminal; the report generation module is used for generating report data according to the monitoring data and/or the transmission characteristic or the feedback characteristic of the token frame of the token ring network through a processor; the wireless communication module is used for sending the report data to a preset line patrol device; the monitoring data comprises line voltage, line current, zero sequence current and equipment state data;
the line patrol device is used for receiving and displaying fault report data, accessing the distribution network management equipment through the access interface and serving as input and output equipment of the distribution network management equipment;
the distribution network management device further comprises:
the fault analysis module is used for generating a corresponding control strategy according to the monitoring data and/or the transmission or feedback characteristics of the token frame of the token ring network; the control strategy comprises a combination mode of on-off states of each loop and/or a distribution automation terminal in the distribution automation system; the transmission or feedback characteristics of the token frame comprise whether the nodes can respond to the token frame, and when the token frame is transmitted in sequence in the ring-shaped topological structure of the token network, if a certain node cannot respond, the distribution network management equipment is in fault; the fault report data comprises node identifications of nodes which cannot respond to the token frame, and the node identifications are used for assisting in determining fault points of equipment faults of the power distribution network;
and the control unit is used for controlling the on-off state of the switch of the loop and/or the distribution automation terminal according to the control strategy.
2. The monitoring system for a distribution automation system as set forth in claim 1 wherein the network module includes a multi-site access unit MAU.
3. The monitoring system for a distribution automation system of claim 1 where the wireless communication module comprises a 3G, 4G or GSM wireless communication module.
4. The monitoring system for distribution automation system as set forth in claim 1, wherein the line patrol device is provided in a mobile phone, a PAD or a notebook computer.
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| CN109720241A (en) * | 2017-10-27 | 2019-05-07 | 西华大学 | A kind of anti-voltage wave device of subway train |
| CN112564968B (en) * | 2020-12-03 | 2022-03-29 | 深圳市腾讯计算机系统有限公司 | Fault processing method, device and storage medium |
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| CN104578409A (en) * | 2014-12-16 | 2015-04-29 | 国家电网公司 | Cluster measurement and control device for intelligent transformer substation and system with cluster measurement and control device |
| CN204425051U (en) * | 2015-02-13 | 2015-06-24 | 南京大全自动化科技有限公司 | Power distribution network Intelligent feeder line self-healing system |
| CN104836344A (en) * | 2015-05-25 | 2015-08-12 | 南京新联能源技术有限责任公司 | Distribution transform monitoring system based on WIFI wireless communication |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104578409A (en) * | 2014-12-16 | 2015-04-29 | 国家电网公司 | Cluster measurement and control device for intelligent transformer substation and system with cluster measurement and control device |
| CN204425051U (en) * | 2015-02-13 | 2015-06-24 | 南京大全自动化科技有限公司 | Power distribution network Intelligent feeder line self-healing system |
| CN104836344A (en) * | 2015-05-25 | 2015-08-12 | 南京新联能源技术有限责任公司 | Distribution transform monitoring system based on WIFI wireless communication |
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Denomination of invention: A monitoring system for distribution automation system Effective date of registration: 20220818 Granted publication date: 20191231 Pledgee: Jiangsu SINOSURE technology microfinance Co.,Ltd. Pledgor: NANJING LONGYUAN HUINENG ELECTRIC POWER TECHNOLOGY CO.,LTD. Registration number: Y2022320000473 |