CN111900805A - Topology identification system and method - Google Patents
Topology identification system and method Download PDFInfo
- Publication number
- CN111900805A CN111900805A CN202010883451.XA CN202010883451A CN111900805A CN 111900805 A CN111900805 A CN 111900805A CN 202010883451 A CN202010883451 A CN 202010883451A CN 111900805 A CN111900805 A CN 111900805A
- Authority
- CN
- China
- Prior art keywords
- monitoring terminal
- current signal
- topology
- branch
- specific current
- 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
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
- H02J13/00006—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
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention provides a topology identification system and a method, the topology identification system sends an instruction to a concentrator through a master station, the concentrator randomly appoints one meter box monitoring terminal after receiving the instruction, the appointed meter box monitoring terminal generates a specific current signal after receiving the instruction, so that no large current is needed to be generated, the power grid does not generate large waveform distortion, the damage to the power grid is small, the corresponding second-level branch monitoring terminal sends the specific current signal to the corresponding first-level branch monitoring terminal after receiving the specific current signal, then the first-level branch monitoring terminal sends a monitoring result to the concentrator, and the concentrator determines the line branch where the appointed meter box monitoring terminal is located, so that the topology of a branch line is formed until the physical topology of the whole transformer area is formed. According to the topology identification system and method provided by the invention, the meter box monitoring terminal is arranged, so that large current is not required to be generated, the safety is high, large waveform distortion cannot be generated on a power grid, and the damage to the power grid is small.
Description
Technical Field
The invention relates to the field of power distribution networks, in particular to a topology identification system and a topology identification method.
Background
With the development of the smart grid in the field of low-voltage distribution networks, low-voltage branch topology identification becomes a key ring of lean management of the smart grid low-voltage distribution network, and the capacities of branch line loss calculation, three-phase imbalance management and electricity stealing prevention of a low-voltage distribution network area can be improved only through accurate branch topology identification; meanwhile, the method plays a key role in improving the operation and maintenance efficiency of the power company, reducing the line loss of the power grid and the like.
At present, similar products with branch topology identification exist in the market, the adopted method is that commercial power zero crossing point detection is carried out, when the zero crossing point is detected, a phase line and a zero line on the commercial power are approximately short-circuited by an artificial passing circuit near the zero crossing point, a large distortion current signal is generated, and other products arranged on a current signal path detect the signal through a current transformer to determine whether the product is on the branch.
The method has the disadvantages that the phase line and the zero line are close to short circuit at the zero crossing point of the commercial power, the generated current is very large, although the period is very short, the current waveform of the commercial power can still be distorted, and the power grid is greatly disturbed; the disturbance is considered to be harmful to the grid; meanwhile, the circuit is very dangerous, and the safety of the circuit needs to be fully verified to be put on the market.
Therefore, how to design a topology identification system and method with small damage to the power grid and high safety becomes an urgent problem to be solved.
Disclosure of Invention
The invention provides a topology identification system and a topology identification method, which aim to solve the problems of large damage to a power grid and low safety of the existing method.
In a first aspect, the invention provides a topology identification system, which comprises a transformer in a platform area, wherein the transformer in the platform area is connected with a concentrator, the concentrator is connected with a plurality of primary branch boxes, each primary branch box is correspondingly connected with a secondary branch box, each secondary branch box is correspondingly connected with a user meter box, a primary branch monitoring terminal is arranged at each primary branch box, a secondary branch monitoring terminal is arranged at each secondary branch box, and the primary branch monitoring terminals correspond to the secondary branch monitoring terminals one by one;
each user meter box is provided with a meter box monitoring terminal, and the meter box monitoring terminals correspond to the secondary branch monitoring terminals one to one;
the concentrator is connected with a distribution area monitoring terminal, the distribution area monitoring terminal is connected with each first-level branch monitoring terminal, each first-level branch monitoring terminal is connected with the corresponding second-level branch monitoring terminal, and each second-level branch monitoring terminal is connected with the corresponding meter box monitoring terminal.
Optionally, each meter box monitoring terminal is a low-voltage monitoring terminal.
Optionally, each of the primary branch monitoring terminals and each of the secondary branch monitoring terminals include a current transformer.
Optionally, the low-voltage monitoring terminal includes a specific current signal generating unit, a communication unit, a specific current signal receiving unit, and a main control unit, wherein:
the specific current signal generating unit is used for generating a specific current signal;
the communication unit is used for communicating with the concentrator;
the specific current signal receiving unit is used for receiving a specific current signal, sampling the specific current signal through the current transformer and transmitting the specific current signal to the metering unit;
the main control unit is used for controlling the specific current signal generating unit, the communication unit and the specific current signal receiving unit.
Optionally, the specific current signal generating unit is a specific metering chip, and the model of the specific metering chip is RN 2025.
In a second aspect, the present invention provides a topology identification method, which is implemented based on the topology identification system in the first aspect, and the topology identification method includes:
s1: the master station sends an instruction to the concentrator, and the instruction sent by the master station randomly designates one meter box monitoring terminal;
s2: after receiving an instruction sent by a master station, a concentrator randomly designates one meter box monitoring terminal, and a specific current signal generating unit in the designated meter box monitoring terminal generates a specific current signal;
s3: each meter box monitoring terminal monitors a specific current signal on a corresponding line in real time;
s4: the meter box monitoring terminal which monitors the specific current signal sends the specific current signal to a corresponding secondary branch monitoring terminal, and the secondary branch monitoring terminal sends the specific current signal to a primary branch monitoring terminal;
s5: after receiving a specific current signal, the primary branch monitoring terminal sends a monitoring result to the concentrator, and the concentrator determines the branch of the line where the designated meter box monitoring terminal is located to form the topology of a branch line;
s6: and repeating the steps from S1 to S5 until the generation of the physical topology of the whole station area is completed.
Optionally, after the topology generation of the entire cell is completed, the physical topology of the entire cell is stored.
Optionally, after the generation of the physical topology of the entire platform area is completed, the generated physical topology is checked.
Optionally, the checking the generated physical topology includes:
acquiring a physical topology stored in a database;
comparing the generated physical topology with the physical topology connection lines stored in the database to determine whether the physical topology connection lines change;
if the generated line connection of the physical topology is changed, marking the changed line;
and carrying out real-time online monitoring on the marked line.
The invention provides a topology identification system and a method, the topology identification system comprises a platform transformer, a concentrator, a platform monitoring terminal, a plurality of first-stage branch boxes, a plurality of second-stage branch boxes, a plurality of user meter boxes, a plurality of meter box monitoring terminals, a plurality of first-stage branch monitoring terminals and a plurality of second-stage branch monitoring terminals, the number of the first-stage branch boxes, the number of the second-stage branch boxes, the number of the user meter boxes, the number of the meter box monitoring terminals, the number of the first-stage branch monitoring terminals and the number of the second-stage branch monitoring terminals are the same, a main station sends an instruction to the concentrator, the concentrator randomly designates one meter box monitoring terminal after receiving the instruction, the designated meter box monitoring terminal generates a specific current signal after receiving the instruction, so that no large current is needed to be generated, the power grid cannot generate large waveform distortion, the damage to the power grid is small, and the corresponding second-stage branch monitoring terminal sends the specific current signal to And the concentrator determines the line branch where the designated meter box monitoring terminal is located, and forms the topology of a branch line until the physical topology of the whole transformer area is formed. According to the topology identification system and method provided by the invention, the meter box monitoring terminal is arranged, so that large current is not required to be generated, the cost is low, the safety is high, large waveform distortion cannot be generated on a power grid, and the damage to the power grid is small.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without any inventive exercise.
FIG. 1 is a schematic structural diagram of a topology identification system according to the present invention;
FIG. 2 is a flowchart of a topology identification method provided by the present invention;
FIG. 3 is a topology diagram of a single branch path of a topology identification system according to the present invention;
FIG. 4 is a circuit diagram of a current source internal circuit for generating a specific current signal by a topology identification system according to the present invention;
fig. 5 is a circuit diagram of a master control unit of a topology identification system according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings in 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 the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described, and it will be appreciated by those skilled in the art that the present invention may be embodied without departing from the spirit and scope of the invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Referring to fig. 1, in a first aspect, the present invention provides a topology identification system, including a transformer in a transformer area, where the transformer in the transformer area is connected to a concentrator, the concentrator is connected to a plurality of first-stage branch boxes, each first-stage branch box is correspondingly connected to a second-stage branch box, each second-stage branch box is correspondingly connected to a user meter box, each first-stage branch box is provided with a first-stage branch monitoring terminal, each second-stage branch box is provided with a second-stage branch monitoring terminal, and the first-stage branch monitoring terminals correspond to the second-stage branch monitoring terminals one by one;
each user meter box is provided with a meter box monitoring terminal, and the meter box monitoring terminals correspond to the secondary branch monitoring terminals one to one;
the concentrator is connected with a distribution area monitoring terminal, the distribution area monitoring terminal is connected with each first-level branch monitoring terminal, each first-level branch monitoring terminal is connected with the corresponding second-level branch monitoring terminal, and each second-level branch monitoring terminal is connected with the corresponding meter box monitoring terminal.
The main station sends an instruction to the concentrator, the concentrator randomly designates one of the meter box monitoring terminals after receiving the instruction, the designated meter box monitoring terminal generates a specific current signal after receiving the instruction, and therefore, large current does not need to be generated, the power grid does not generate large waveform distortion, damage to the power grid is small, the corresponding second-level branch monitoring terminal receives the specific current signal and then sends the specific current signal to the corresponding first-level branch monitoring terminal, the first-level branch monitoring terminal sends a monitoring result to the concentrator, and the concentrator determines a line branch where the designated meter box monitoring terminal is located, so that topology of a branch line is formed until physical topology of the whole transformer area is formed.
Optionally, each meter box monitoring terminal is a low-voltage monitoring terminal.
Optionally, each of the primary branch monitoring terminals and each of the secondary branch monitoring terminals include a current transformer.
Optionally, the low-voltage monitoring terminal includes a specific current signal generating unit, a communication unit, a specific current signal receiving unit, and a main control unit, wherein:
the specific current signal generating unit is used for generating a specific current signal;
the communication unit is used for communicating with the concentrator;
the specific current signal receiving unit is used for receiving a specific current signal, sampling the specific current signal through the current transformer and transmitting the specific current signal to the metering unit;
referring to fig. 5, fig. 5 is a circuit diagram of a main control unit for controlling the specific current signal generating unit, the communication unit, and the specific current signal receiving unit.
Optionally, the specific current signal generating unit is a specific metering chip, the specific metering chip is RN2025 in model, the chip needs to have a voltage self-monitoring function, through this function of the chip, a current signal of several tens of milliamperes can be generated between the phase line and the zero line, the signal is a voltage self-monitoring signal for the metering chip circuit, but at the same time, the signal generated by the circuit can also be used as a specific current signal for topology identification, and can be received by other low-voltage monitoring terminals on the signal path.
Referring to fig. 2, in a second aspect, the present invention provides a topology identification method, which is implemented based on the topology identification system in the first aspect, and the topology identification method includes:
s1: the master station sends an instruction to the concentrator, and the instruction sent by the master station randomly designates one meter box monitoring terminal;
s2: after receiving an instruction sent by a master station, a concentrator randomly designates one meter box monitoring terminal, and a specific current signal generating unit in the designated meter box monitoring terminal generates a specific current signal;
the concentrator sends a broadcast instruction to one of the meter box monitoring terminals in a power carrier communication mode.
S3: each meter box monitoring terminal monitors a specific current signal on a corresponding line in real time;
the concentrator does not know where the meter box monitoring terminal is, only knows the communication address of the meter box monitoring terminal, so that the concentrator can send a broadcast command with the communication address of the meter box monitoring terminal to all the meter box monitoring terminals below, only the specified meter box monitoring terminal can respond and send a specific current signal, other meter box monitoring terminals also can receive the broadcast command of the concentrator, and the concentrator cannot respond and send a specific signal because the communication address of other meter box monitoring terminals is not the address of the specified meter box monitoring terminal, but can enter a signal detection mode.
S4: the meter box monitoring terminal which monitors the specific current signal sends the specific current signal to a corresponding secondary branch monitoring terminal, and the secondary branch monitoring terminal sends the specific current signal to a primary branch monitoring terminal;
s5: after receiving a specific current signal, the primary branch monitoring terminal sends a monitoring result to the concentrator, and the concentrator determines the branch of the line where the designated meter box monitoring terminal is located to form the topology of a branch line;
s6: and repeating the steps from S1 to S5 until the generation of the physical topology of the whole station area is completed.
Optionally, after the topology generation of the entire cell is completed, the physical topology of the entire cell is stored.
Optionally, after the generation of the physical topology of the entire platform area is completed, the generated physical topology is checked.
Optionally, the checking the generated physical topology includes:
acquiring a physical topology stored in a database;
comparing the generated physical topology with the physical topology connection lines stored in the database to determine whether the physical topology connection lines change;
if the generated line connection of the physical topology is changed, marking the changed line;
and carrying out real-time online monitoring on the marked line.
Referring to fig. 3, the topological diagram of a single branch path is shown, where a transformer in a station area refers to one phase voltage, and a monitoring terminal No. 1 (a meter box monitoring terminal), a monitoring terminal No. 2 (a secondary branch monitoring terminal), and a monitoring terminal No. 3 (a primary branch monitoring terminal) are respectively disposed at a user meter box, a secondary branch box, and a primary branch box, and because they are single paths, they are connected in series with a phase line and a zero line of the phase voltage of the transformer in the station area;
when a master station sends a topology instruction to a concentrator, the concentrator receives the instruction and then appoints a No. 1 monitoring terminal (meter box monitoring terminal) to send a specific current signal, at the moment, a specific metering chip in the No. 1 monitoring terminal (meter box monitoring terminal) appoints a voltage self-monitoring unit in the concentrator to generate the specific current signal, the specific current signal forms a loop through a path of a voltage self-monitoring current source anode, a zero line, a transformer, a phase line and a voltage self-monitoring current source cathode, because the phase line connects the No. 1, 2 and 3 monitoring terminals in series, the specific current signal can flow through the phase lines of the No. 2 and 3 monitoring terminals, and the specific current signal is received by the monitoring terminals of current transformers in the special current transformers; when the No. 2 and No. 3 monitoring terminals receive the signal, reporting a receiving report to the concentrator, and judging that the No. 1, No. 2 and No. 3 monitoring terminals belong to the same branch path by the master station through reading the record of the concentrator; the topology identification process of one branch path is completed;
FIG. 4 is a circuit diagram of the current source internal circuit for generating a specific current signal; the 400UA reference source S1 is a current source, the positive pole of the current source is connected with the zero line through R1 and R0, and the negative pole of the current source is connected with the live line (phase line).
The invention provides a topology identification system and a method, the topology identification system comprises a platform transformer, a concentrator, a platform monitoring terminal, a plurality of first-stage branch boxes, a plurality of second-stage branch boxes, a plurality of user meter boxes, a plurality of meter box monitoring terminals, a plurality of first-stage branch monitoring terminals and a plurality of second-stage branch monitoring terminals, the number of the first-stage branch boxes, the number of the second-stage branch boxes, the number of the user meter boxes, the number of the meter box monitoring terminals, the number of the first-stage branch monitoring terminals and the number of the second-stage branch monitoring terminals are the same, a main station sends an instruction to the concentrator, the concentrator randomly designates one meter box monitoring terminal after receiving the instruction, the designated meter box monitoring terminal generates a specific current signal after receiving the instruction, so that no large current is needed to be generated, the power grid cannot generate large waveform distortion, the damage to the power grid is small, and the corresponding second-stage branch monitoring terminal sends the specific current signal to And the concentrator determines the line branch where the designated meter box monitoring terminal is located, and forms the topology of a branch line until the physical topology of the whole transformer area is formed. According to the topology identification system and method provided by the invention, the meter box monitoring terminal is arranged, so that large current is not required to be generated, the cost is low, the safety is high, large waveform distortion cannot be generated on a power grid, and the damage to the power grid is small.
The foregoing is merely a detailed description of the invention, and it should be noted that modifications and adaptations by those skilled in the art may be made without departing from the principles of the invention, and should be considered as within the scope of the invention.
Claims (9)
1. A topology identification system comprises a distribution area transformer, wherein the distribution area transformer is connected with a concentrator, the concentrator is connected with a plurality of primary branch boxes, each primary branch box is correspondingly connected with a secondary branch box, each secondary branch box is correspondingly connected with a user meter box, and the topology identification system is characterized in that a primary branch monitoring terminal is arranged at each primary branch box, a secondary branch monitoring terminal is arranged at each secondary branch box, and the primary branch monitoring terminals correspond to the secondary branch monitoring terminals one by one;
each user meter box is provided with a meter box monitoring terminal, and the meter box monitoring terminals correspond to the secondary branch monitoring terminals one to one;
the concentrator is connected with a distribution area monitoring terminal, the distribution area monitoring terminal is connected with each first-level branch monitoring terminal, each first-level branch monitoring terminal is connected with the corresponding second-level branch monitoring terminal, and each second-level branch monitoring terminal is connected with the corresponding meter box monitoring terminal.
2. The topology identification system of claim 1, wherein each of said meter box monitoring terminals is a low voltage monitoring terminal.
3. The topology identification system of claim 1, wherein each of said primary branch monitoring terminals and each of said secondary branch monitoring terminals includes a current transformer.
4. The topology recognition system of claim 2, wherein the low voltage monitoring terminal comprises a specific current signal generating unit, a communication unit, a specific current signal receiving unit, and a main control unit, wherein:
the specific current signal generating unit is used for generating a specific current signal;
the communication unit is used for communicating with the concentrator;
the specific current signal receiving unit is used for receiving a specific current signal, sampling the specific current signal through the current transformer and transmitting the specific current signal to the metering unit;
the main control unit is used for controlling the specific current signal generating unit, the communication unit and the specific current signal receiving unit.
5. The topology identification system according to claim 4, wherein the specific current signal generating unit is a specific metering chip having a model number RN 2025.
6. A topology identification method implemented based on the topology identification system of any one of claims 1 to 5, the topology identification method comprising:
s1: the master station sends an instruction to the concentrator, and the instruction sent by the master station randomly designates one meter box monitoring terminal;
s2: after receiving an instruction sent by a master station, a concentrator randomly designates one meter box monitoring terminal, and a specific current signal generating unit in the designated meter box monitoring terminal generates a specific current signal;
s3: each meter box monitoring terminal monitors a specific current signal on a corresponding line in real time;
s4: the meter box monitoring terminal which monitors the specific current signal sends the specific current signal to a corresponding secondary branch monitoring terminal, and the secondary branch monitoring terminal sends the specific current signal to a primary branch monitoring terminal;
s5: after receiving a specific current signal, the primary branch monitoring terminal sends a monitoring result to the concentrator, and the concentrator determines the branch of the line where the designated meter box monitoring terminal is located to form the topology of a branch line;
s6: and repeating the steps from S1 to S5 until the generation of the physical topology of the whole station area is completed.
7. The topology identification method of claim 6, further comprising saving the physical topology of the entire zone after the topology generation of the entire zone is completed.
8. The topology identification method according to claim 6, wherein said generating of the physical topology of the entire cell further comprises checking the generated physical topology.
9. The topology identification method of claim 8, wherein said checking the generated physical topology comprises:
acquiring a physical topology stored in a database;
comparing the generated physical topology with the physical topology connection lines stored in the database to determine whether the physical topology connection lines change;
if the generated line connection of the physical topology is changed, marking the changed line;
and carrying out real-time online monitoring on the marked line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010883451.XA CN111900805A (en) | 2020-08-28 | 2020-08-28 | Topology identification system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010883451.XA CN111900805A (en) | 2020-08-28 | 2020-08-28 | Topology identification system and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111900805A true CN111900805A (en) | 2020-11-06 |
Family
ID=73224602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010883451.XA Pending CN111900805A (en) | 2020-08-28 | 2020-08-28 | Topology identification system and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111900805A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112510841A (en) * | 2020-12-09 | 2021-03-16 | 国网北京市电力公司 | Topology identification method and device for power distribution automation |
| CN113054740A (en) * | 2021-01-21 | 2021-06-29 | 中电装备山东电子有限公司 | Distortion current generating device and topology identification system adopting same |
| CN113189472A (en) * | 2021-04-15 | 2021-07-30 | 国网福建省电力有限公司福州供电公司 | Low-voltage network circuit topology structure detection method and system |
| CN113285432A (en) * | 2021-07-26 | 2021-08-20 | 广东电网有限责任公司东莞供电局 | Automatic device and protection method for relay protection of power system |
| CN114189050A (en) * | 2021-12-09 | 2022-03-15 | 国网重庆市电力公司营销服务中心 | Platform district user becomes relation identification system based on send decoding equipment |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106026408A (en) * | 2016-07-30 | 2016-10-12 | 山东信通电子股份有限公司 | Low-voltage transformer area physical topology online generating and real-time monitoring method and system |
| CN110943450A (en) * | 2019-12-12 | 2020-03-31 | 山东电工电气集团有限公司 | Platform area automatic topology line loss analysis method based on Internet of things |
-
2020
- 2020-08-28 CN CN202010883451.XA patent/CN111900805A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106026408A (en) * | 2016-07-30 | 2016-10-12 | 山东信通电子股份有限公司 | Low-voltage transformer area physical topology online generating and real-time monitoring method and system |
| CN110943450A (en) * | 2019-12-12 | 2020-03-31 | 山东电工电气集团有限公司 | Platform area automatic topology line loss analysis method based on Internet of things |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112510841A (en) * | 2020-12-09 | 2021-03-16 | 国网北京市电力公司 | Topology identification method and device for power distribution automation |
| CN113054740A (en) * | 2021-01-21 | 2021-06-29 | 中电装备山东电子有限公司 | Distortion current generating device and topology identification system adopting same |
| CN113189472A (en) * | 2021-04-15 | 2021-07-30 | 国网福建省电力有限公司福州供电公司 | Low-voltage network circuit topology structure detection method and system |
| CN113285432A (en) * | 2021-07-26 | 2021-08-20 | 广东电网有限责任公司东莞供电局 | Automatic device and protection method for relay protection of power system |
| CN114189050A (en) * | 2021-12-09 | 2022-03-15 | 国网重庆市电力公司营销服务中心 | Platform district user becomes relation identification system based on send decoding equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111900805A (en) | Topology identification system and method | |
| CN107609569B (en) | Power distribution network ground fault positioning method based on multi-dimensional feature vectors | |
| CN110988596B (en) | Novel active power distribution network fault section positioning method | |
| CN110456207A (en) | A kind of intelligent low-pressure method for diagnosing faults of open air | |
| CN103081274A (en) | Detecting islanding conditions in power networks | |
| CN111049266B (en) | Intelligent second-level power restoration method and system for regulation and control service | |
| CN113270866A (en) | Low-voltage distribution network topology identification system and identification method | |
| CN110932396A (en) | Low-voltage distribution network topology identification system based on pulse characteristic current signals | |
| CN107463732A (en) | A kind of multiterminal alternating current-direct current active distribution network scheduling controlling analogue system and method | |
| CN109949178B (en) | Method for judging and complementing power failure event of medium-voltage distribution network based on support vector machine | |
| CN108710099A (en) | Capacitance type potential transformer monitoring alarm method and system | |
| CN112366690B (en) | Low-voltage area transverse node relation identification method based on strong synchronous voltage characteristic matching | |
| CN103869192A (en) | Smart power grid line loss detection method and system | |
| CN107255761A (en) | Intelligent substation closed loop test system based on GOOSE network | |
| CN203896048U (en) | Ground fault detection system for power distribution networks | |
| CN109038554B (en) | Intelligent power distribution terminal local topology generation method | |
| Tutvedt et al. | Smart fault handling in medium voltage distribution grids | |
| Kamps et al. | Reliability of decentralized network automation systems and impacts on distribution network reliability | |
| CN113659548B (en) | Power distribution network pilot protection method and system based on positive sequence fault component energy direction | |
| CN109633381A (en) | A kind of electric network failure diagnosis intelligent analysis method | |
| CN115622055A (en) | Fault identification and recovery method and system for energy system | |
| Kar et al. | Overcurrent relay coordination for micro-grid with different operating conditions | |
| CN210629198U (en) | Low-voltage distribution network topology identification system based on pulse characteristic current signals | |
| CN107478922A (en) | Intelligent substation closed loop test method based on GOOSE network | |
| CN107493207A (en) | Intelligent substation secondary equipment management and control method, device and 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 |