CN116418115A - Distribution network 10kV line frequent power failure early warning analysis method and system - Google Patents
Distribution network 10kV line frequent power failure early warning analysis method and system Download PDFInfo
- Publication number
- CN116418115A CN116418115A CN202310299710.8A CN202310299710A CN116418115A CN 116418115 A CN116418115 A CN 116418115A CN 202310299710 A CN202310299710 A CN 202310299710A CN 116418115 A CN116418115 A CN 116418115A
- Authority
- CN
- China
- Prior art keywords
- distribution network
- power failure
- power
- early warning
- acquisition
- 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
- 238000009826 distribution Methods 0.000 title claims abstract description 158
- 238000004458 analytical method Methods 0.000 title claims abstract description 59
- 238000012544 monitoring process Methods 0.000 claims abstract description 130
- 238000012423 maintenance Methods 0.000 claims abstract description 87
- 238000000034 method Methods 0.000 claims abstract description 42
- 230000001052 transient effect Effects 0.000 claims abstract description 25
- 238000007726 management method Methods 0.000 claims description 82
- 238000004891 communication Methods 0.000 claims description 40
- 238000010276 construction Methods 0.000 claims description 40
- 238000012545 processing Methods 0.000 claims description 26
- 238000003745 diagnosis Methods 0.000 claims description 23
- 230000005611 electricity Effects 0.000 claims description 23
- 238000011835 investigation Methods 0.000 claims description 19
- 238000009434 installation Methods 0.000 claims description 15
- 238000004146 energy storage Methods 0.000 claims description 14
- 238000005457 optimization Methods 0.000 claims description 14
- 238000013500 data storage Methods 0.000 claims description 13
- 230000003993 interaction Effects 0.000 claims description 13
- 230000008569 process Effects 0.000 claims description 13
- 238000013523 data management Methods 0.000 claims description 8
- 238000007619 statistical method Methods 0.000 claims description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 7
- 230000002776 aggregation Effects 0.000 claims description 7
- 238000004220 aggregation Methods 0.000 claims description 7
- 229910052799 carbon Inorganic materials 0.000 claims description 7
- 238000005265 energy consumption Methods 0.000 claims description 7
- 238000009413 insulation Methods 0.000 claims description 7
- 238000005728 strengthening Methods 0.000 claims description 7
- 238000007689 inspection Methods 0.000 claims description 6
- 238000004364 calculation method Methods 0.000 claims description 5
- 238000012360 testing method Methods 0.000 claims description 5
- 238000005260 corrosion Methods 0.000 claims description 4
- 238000011156 evaluation Methods 0.000 claims description 4
- 238000004806 packaging method and process Methods 0.000 claims description 4
- 230000006872 improvement Effects 0.000 claims 3
- 230000005540 biological transmission Effects 0.000 claims 2
- 230000008859 change Effects 0.000 abstract description 4
- 230000002349 favourable effect Effects 0.000 abstract description 4
- 230000003449 preventive effect Effects 0.000 abstract description 4
- 230000009466 transformation Effects 0.000 description 14
- 238000005516 engineering process Methods 0.000 description 5
- 230000006399 behavior Effects 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 230000001737 promoting effect Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00002—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by monitoring
-
- 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
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
- Y04S10/52—Outage or fault management, e.g. fault detection or location
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention relates to the technical field of high-voltage line early warning analysis, in particular to a method and a system for carrying out early warning analysis on frequent power failure of a distribution network 10kV line, aiming at the problems that the service life of equipment is reduced, the overall operation efficiency of a power grid is reduced, preventive maintenance cannot be realized, state maintenance cannot be realized and the like caused by the current frequent power failure, the invention provides the following scheme, which comprises the following steps: s1: establishing an electric energy quality monitoring system, and uploading data to a monitoring system platform; the invention aims to provide an electric energy quality on-line monitoring system, which can comprehensively master steady state, transient state and transient state index change conditions of electric energy quality of monitoring points and forecast future change trend in real time, is favorable for optimizing and adjusting a power grid structure, improves the economic operation level of the power grid and the overall stability of the power grid, thereby prolonging the service life of equipment, setting an early warning threshold value in a grading early warning mode, being favorable for predicting risks in advance, reducing maintenance cost, reducing economic loss and improving the overall operation efficiency of the power grid.
Description
Technical Field
The invention relates to the technical field of high-voltage line early warning analysis, in particular to a method and a system for carrying out early warning analysis on frequent power failure of a 10kV line of a distribution network.
Background
With the development of the economy in China, the electricity consumption is continuously increased, the construction of the power grid scale is stimulated, meanwhile, the complexity of the power grid is increased, and especially, factors such as natural disasters bring great threat to the safety of the power grid, so that adverse effects are caused on the life and work of people. And the power grid security risk management and early warning are enhanced, so that the normal operation of the power grid can be maintained, the power supply capacity of the power grid is improved, and the normal power consumption requirement is ensured. The electric power is an important foundation and precondition for the development of modern industry, not only relates to the stable development of various industries, but also has profound influence on social progress. The power transformation operation is the most basic operation in the power system, and the process of converting low-level voltage into high-level voltage or converting high-level voltage into low-level voltage through the power facilities is hidden with a certain risk, so that the power transformation operation management must be enhanced. However, at present, some problems still exist in the management work of potential safety hazards of transformer operation in basic areas. Therefore, we provide a distribution network 10kV line frequent power failure early warning analysis method and system.
Disclosure of Invention
The invention aims to solve the problems that the service life of equipment is reduced, the overall operation efficiency of a power grid is reduced, preventive maintenance cannot be realized, state maintenance cannot be realized and the like caused by frequent power failure, and provides a method and a system for carrying out early warning analysis on frequent power failure on a 10kV line of a distribution network.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
a distribution network 10kV line frequent power failure early warning analysis system comprises the following subsystems: the system comprises an electric energy quality monitoring system, a platform supporting system, a data acquisition communication system, an operation and maintenance monitoring system, a business application system, an operation supervision system, a power grid dispatching system and an operation and maintenance management system.
A method for analyzing frequent power failure early warning of a distribution network 10kV line comprises the following steps:
s1: establishing an electric energy quality monitoring system, uploading data to a monitoring system platform, and generating an electric energy quality diagnosis report;
s2: acquiring electric quantity related data, and checking the implementation of indexes and the overall operation condition of an electric energy consumption acquisition system;
s3: constructing a system operation maintenance system of the system operation and maintenance monitoring automation system equipment;
s4: the terminal is connected to a front-end processor cluster through a load equalizer, and the front-end processor cluster is responsible for receiving and issuing the message;
S5: establishing a power grid dispatching system, strengthening an operation maintenance management system of the distribution network, improving the operation quality of the distribution network, and making corrective measures for frequent power failure;
s6: and adjusting the tap of the distribution transformer according to the electricity consumption condition of a user, and performing fault investigation and analysis by effectively adjusting the voltage of the distribution network.
Preferably, in the step S1, a power quality monitoring system is established, the gateway is connected to the gateway through a network cable, the gateway is connected to the network through a wired mode, data is uploaded to a monitoring system platform, centralized management is performed on a charging and replacing station, harmonic analysis is performed, a user can check real-time spectrograms of 2-63 harmonics and 0.5-62.5 harmonics of the monitoring points, historical curves of all the harmonics are checked according to dates, the platform provides an event overview of the monitoring points for the user, and the event overview comprises 141 steady-state line-crossing events, transient event records, 136 steady-state events, 3 transient time and 2 transient events; the event information comprises triggering time, event type, triggering channel, characteristic amplitude and duration of the event, the event is inquired and exported according to the requirement, a load curve of a monitoring point, voltage and current, voltage deviation, unbalance degree and flickering historical trend curve can be checked through a platform, and an electric energy quality diagnosis report is generated according to electric energy quality condition statistical analysis of the monitoring point.
Preferably, in the step S2, the data related to the electric quantity is collected, and the collection system is divided into five subsystems: platform braced system, data acquisition communication system, fortune dimension monitored control system, business application system, operation supervisory systems, the equipment operation condition of monitoring whole system, collection efficiency, key user supervision, each district company installation progress, the implementation of assessment index, the overall operation condition of power consumption information acquisition system, each supplier performance evaluation, functional module divide into index management and analysis, the analysis of online rate collection success rate, IT system operation condition, collection data practicality analysis, installation coverage rate, operation support service assessment.
Preferably, in the step S3, the operation and maintenance monitoring system is divided into an operation and maintenance monitoring management and data management functional domain, and the operation and maintenance system of the system operation and maintenance monitoring automation system is built; quality and stability of the communications carrier channel; the completion of various indexes such as acquisition success rate, integrity rate, quality and efficiency of on-site fault resolution; the front-end communication system comprises a communication server, a management server, load balancing equipment and the like, and is used for completing the functions of terminal TCP access, protocol message receiving, message analysis and combination, data storage, message packaging, data storage and load balancing, data processing for completing acquisition protocol configuration, acquisition content configuration, acquisition strategy management, instruction issuing, message integrity judgment, initial data calculation and the like; the platform supporting function is used as a system basic part, a unified integrated platform, an interface interaction platform, a workflow supporting function, personnel and authority system management, an alarm engine, a public short message platform and a mail system.
Preferably, in the step S4, the terminal is connected to the front-end processor cluster through a load balancer, the front-end processor cluster is responsible for receiving and issuing messages, the issued and received messages are all cached in a distributed message queue, the distributed event processing service cluster is responsible for processing the issuing of the acquisition task and the processing of the acquisition result, the acquired original data is stored in a mass data storage, the distributed caching service is used for caching file information, the task management service is responsible for managing and coordinating the timing task in the whole system, and the acquisition management service is used for providing the issuing of the high-speed acquisition task for the front-end processor.
Preferably, in the step S4, a power grid dispatching system is established, and on a power supply side, a structure of a service supply side is optimized actively, and a grid-connected operation flow of units such as new energy is optimized; on the power grid side, virtual power plant aggregation, flexible power flow control, reactive power coordination of a main power distribution network and optimal power flow optimization means are adopted; on the load side, auxiliary services are provided by interruptible load and load aggregators at test points to actively participate in power grid regulation interaction, so that the overall carbon efficiency level of the power system is promoted; on the energy storage side, three sides of a power supply, a power grid and a user are actively pushed to store energy, and the energy storage is developed to participate in the electric auxiliary service market.
Preferably, in the step S5, the operation maintenance management system of the distribution network is enhanced, the operation quality of the distribution network is improved, in the operation process of the distribution network, the voltage quality comprehensive treatment department is responsible for analyzing the diagnosis result of the distribution network, working out corrective measures aiming at frequent power failure, analyzing the operation risk factors of the distribution network, and implementing optimal configuration through intelligent management for technical transformation and maintenance so as to enable the transformation and upgrading of the distribution network to exert timeliness.
Preferably, in S6, the staff needs to actually measure the voltage on the power outage line at any time, instruct the user to scientifically and reasonably use electricity, provide for adjusting the tap of the distribution transformer according to the electricity consumption condition of the user, effectively adjust the voltage of the distribution network, and use an automatic intelligent technology to realize the monitoring of the operation of the distribution network so as to comprehensively grasp the voltage condition of the distribution network, analyze the voltage distribution condition, evaluate the voltage quality, start a field investigation scheme, solve the power outage problem of the distribution network in time, ensure the voltage stability in the operation process of the distribution network, and avoid the occurrence of fault and power outage accidents.
Preferably, in the step S6, fault investigation and analysis are performed on the line segments with frequent power failure, corresponding anti-collision measures are adopted, construction conditions along the line are fully mastered, construction units are supervised and managed, potential safety hazards are timely found and solved, power failure caused by the construction damage to the line is avoided, a power supply department needs to set corresponding warning boards in the construction section to remind a construction team of safe construction, the power enterprise also needs to actively strengthen daily inspection and propaganda work, the damage to power facilities or illegal construction is timely prevented, and fixing work and anti-corrosion work are performed when the ground wire is installed; the lightning current amplitude is properly limited by properly adopting a method of additionally arranging the lightning arrester, the lightning arrester is arranged between towers of the 10kV distribution transformer, the threat degree of lightning on the insulation of the 10kV distribution transformer is reduced, the safety of a circuit is maintained, and the power failure times are reduced.
The beneficial effects of the invention are as follows:
1. and the mass and power failure related data such as the power quality on-line monitoring, the power consumption information acquisition, the SG186 marketing business, the power grid dispatching technical support, the 95598 business support system and the like are combined.
2. And analyzing the line segments, lines and areas with frequent power failure by adopting a big data analysis method, quantitatively analyzing according to the severity of the frequent power failure, setting an early warning threshold value by adopting a grading early warning mode, and sending a frequent power failure early warning list to an equipment management department.
The invention aims to provide an electric energy quality on-line monitoring system, which can comprehensively grasp steady state, transient state and transient state index change conditions of electric energy quality of monitoring points in real time and forecast future change trend, is favorable for optimizing and adjusting a power grid structure, improves the economic operation level of the power grid and the overall stability of the power grid, supports the power grid dispatching technology, reduces faults of power equipment, realizes preventive maintenance and state maintenance of the power equipment by monitoring and analysis means, reduces direct economic loss caused by power interruption, prolongs the service life of the equipment, sets an early warning threshold value by a grading early warning mode, is favorable for predicting risks in advance, reduces maintenance cost, reduces economic loss and improves the overall operation efficiency of the power grid.
Drawings
Fig. 1 is a schematic flow chart of a method and a system for analyzing frequent power failure early warning of a distribution network 10kV line.
Detailed Description
The following description of the technical solutions in the embodiments of the present invention will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments.
Example 1
Referring to fig. 1, a distribution network 10kV line frequent power failure early warning analysis system includes the following subsystems: the system comprises an electric energy quality monitoring system, a platform supporting system, a data acquisition communication system, an operation and maintenance monitoring system, a business application system, an operation supervision system, a power grid dispatching system and an operation and maintenance management system.
A method for analyzing frequent power failure early warning of a distribution network 10kV line comprises the following steps:
s1: establishing an electric energy quality monitoring system, uploading data to a monitoring system platform, and generating an electric energy quality diagnosis report;
s2: acquiring electric quantity related data, and checking the implementation of indexes and the overall operation condition of an electric energy consumption acquisition system;
s3: constructing a system operation maintenance system of the system operation and maintenance monitoring automation system equipment;
s4: the terminal is connected to a front-end processor cluster through a load equalizer, and the front-end processor cluster is responsible for receiving and issuing the message;
S5: establishing a power grid dispatching system, strengthening an operation maintenance management system of the distribution network, improving the operation quality of the distribution network, and making corrective measures for frequent power failure;
s6: and adjusting the tap of the distribution transformer according to the electricity consumption condition of a user, and performing fault investigation and analysis by effectively adjusting the voltage of the distribution network.
In the embodiment, a power quality monitoring system is established, a gateway is accessed through a network cable, the gateway is networked in a wired mode, data are uploaded to a monitoring system platform, centralized management is carried out on a charging and replacing station, harmonic analysis is carried out, a user can check real-time frequency spectrograms of 2-63 harmonics and 0.5-62.5 subharmonics of the monitoring points, historical curves of the subharmonics are checked according to dates, the platform provides an event overview of the monitoring points for the user, and the event overview comprises 141 steady-state line-crossing events, transient event records and transient event records, 136 steady-state events, 3 transient times and 2 transient events; the event information comprises triggering time, event type, triggering channel, characteristic amplitude and duration of the event, the event is inquired and exported according to the requirement, a load curve of a monitoring point, voltage and current, voltage deviation, unbalance degree and flickering historical trend curve can be checked through a platform, and an electric energy quality diagnosis report is generated according to electric energy quality condition statistical analysis of the monitoring point.
In this embodiment, the collection system collects data related to electric quantity, and is divided into five subsystems: platform braced system, data acquisition communication system, fortune dimension monitored control system, business application system, operation supervisory systems, the equipment operation condition of monitoring whole system, collection efficiency, key user supervision, each district company installation progress, the implementation of assessment index, the overall operation condition of power consumption information acquisition system, each supplier performance evaluation, functional module divide into index management and analysis, the analysis of online rate collection success rate, IT system operation condition, collection data practicality analysis, installation coverage rate, operation support service assessment.
In the embodiment, the operation and maintenance monitoring system is divided into an operation and maintenance monitoring management function domain and a data management function domain, and the operation and maintenance monitoring automation system equipment of the system is constructed; quality and stability of the communications carrier channel; the completion of various indexes such as acquisition success rate, integrity rate, quality and efficiency of on-site fault resolution; the front-end communication system comprises a communication server, a management server, load balancing equipment and the like, and is used for completing the functions of terminal TCP access, protocol message receiving, message analysis and combination, data storage, message packaging, data storage and load balancing, data processing for completing acquisition protocol configuration, acquisition content configuration, acquisition strategy management, instruction issuing, message integrity judgment, initial data calculation and the like; the platform supporting function is used as a system basic part, a unified integrated platform, an interface interaction platform, a workflow supporting function, personnel and authority system management, an alarm engine, a public short message platform and a mail system.
In this embodiment, the terminal is connected to the front-end processor cluster through the load balancer, the front-end processor cluster is responsible for receiving and issuing messages, the issued and received messages are all cached in the distributed message queue, the distributed event processing service cluster is responsible for processing the issuing of the acquisition task and the processing of the acquisition result, the acquired original data is stored in the mass data storage, the distributed caching service is used for caching file information, the task management service is responsible for managing and coordinating the timing task in the whole system, and the acquisition management service is used for providing the issuing of the high-speed acquisition task for the front-end processor.
In the embodiment, a power grid dispatching system is established, and on a power supply side, the structure optimization of a service supply side is actively carried out, and the grid-connected operation flow of units such as new energy sources is optimized; on the power grid side, virtual power plant aggregation, flexible power flow control, reactive power coordination of a main power distribution network and optimal power flow optimization means are adopted; on the load side, auxiliary services are provided by interruptible load and load aggregators at test points to actively participate in power grid regulation interaction, so that the overall carbon efficiency level of the power system is promoted; on the energy storage side, three sides of a power supply, a power grid and a user are actively pushed to store energy, and the energy storage is developed to participate in the electric auxiliary service market.
In this embodiment, the operation maintenance management system of the distribution network is enhanced, the operation quality of the distribution network is improved, in the operation process of the distribution network, the voltage quality comprehensive treatment department is responsible for analyzing the diagnosis result of the distribution network, working out corrective measures aiming at frequent power failure, analyzing the operation risk factors of the distribution network, and implementing optimal configuration through intelligent management for technical transformation and maintenance, so that the transformation and upgrading of the distribution network can exert timeliness.
In this embodiment, the staff needs to arrive at the power failure line on-site actually measured voltage at any time, guides the user to scientifically and reasonably use electricity, is used for adjusting the tap of the distribution transformer according to the electricity consumption condition of the user, and realizes the monitoring of the operation of the distribution network by effectively adjusting the voltage of the distribution network and applying an automatic intelligent technology so as to comprehensively master the voltage condition of the distribution network, analyze the voltage distribution condition, evaluate the voltage quality and start an on-site investigation scheme, so that the power failure problem of the distribution network is solved in time, and the voltage stability in the operation process of the distribution network is ensured.
In the embodiment, fault investigation and analysis are carried out on line segments with frequent power failure, corresponding anti-collision measures are adopted, construction conditions along the line are fully mastered, construction units are supervised and managed, potential safety hazards are timely found and solved, power failure caused by the construction of the broken line is avoided, a power supply department needs to set corresponding warning signs in a construction section to remind a construction team of safe construction, power enterprises strengthen daily inspection and propaganda work, the behavior of damaging power facilities is timely restrained, and fixing work and anti-corrosion work are carried out when a grounding wire is installed; the lightning current amplitude is properly limited by adopting a method of additionally arranging the lightning arrester, the lightning arrester is arranged between towers of the 10kV distribution transformer, the threat degree of lightning on the insulation of the 10kV distribution transformer is reduced, the safety of a circuit is maintained, and the power failure times are reduced.
Example two
Referring to fig. 1, a distribution network 10kV line frequent power failure early warning analysis system includes the following subsystems: the system comprises an electric energy quality monitoring system, a platform supporting system, a data acquisition communication system, an operation and maintenance monitoring system, a business application system, an operation supervision system, a power grid dispatching system and an operation and maintenance management system.
A method for analyzing frequent power failure early warning of a distribution network 10kV line comprises the following steps:
s1: establishing an electric energy quality monitoring system, uploading data to a monitoring system platform, and generating an electric energy quality diagnosis report;
s2: acquiring electric quantity related data, and checking the implementation of indexes and the overall operation condition of an electric energy consumption acquisition system;
s3: constructing a system operation maintenance system of the system operation and maintenance monitoring automation system equipment;
s4: the terminal is connected to a front-end processor cluster through a load equalizer, and the front-end processor cluster is responsible for receiving and issuing the message;
s5: establishing a power grid dispatching system, strengthening an operation maintenance management system of the distribution network, improving the operation quality of the distribution network, and making corrective measures for frequent power failure;
s6: and adjusting the tap of the distribution transformer according to the electricity consumption condition of a user, and performing fault investigation and analysis by effectively adjusting the voltage of the distribution network.
In this embodiment, an electric energy quality monitoring system is established, a gateway is connected through a network cable, the gateway is networked in a wired mode, data is uploaded to a monitoring system platform, centralized management is performed on a charging and replacing station, harmonic analysis is performed, a user can check real-time frequency spectrograms of 2-63 harmonics and 0.5-62.5 subharmonics of the monitoring points, historical curves of the subharmonics are checked according to dates, the platform provides the user with an event overview of the monitoring points, event information comprises trigger time, event type, trigger channel, characteristic amplitude and duration of the event, event inquiry and export are performed according to requirements, a load curve and voltage current, voltage deviation, unbalance degree and flickering historical trend curve of the monitoring points can be checked through the platform, and an electric energy quality diagnosis report is generated according to electric energy quality condition statistical analysis of the monitoring points.
In this embodiment, the collection system collects data related to electric quantity, and is divided into five subsystems: platform braced system, data acquisition communication system, fortune dimension monitored control system, business application system, operation supervisory systems, the equipment operation condition of monitoring whole system, collection efficiency, key user supervision, each city company installation progress, the implementation of assessment index, the whole operation condition of electricity consumption information acquisition system, IT system operation condition, collection data practicality analysis, installation coverage rate, operation support service assessment.
In the embodiment, the operation and maintenance monitoring system is divided into an operation and maintenance monitoring management function domain and a data management function domain, and the operation and maintenance monitoring automation system equipment of the system is constructed; quality and stability of the communications carrier channel; the completion of various indexes such as acquisition success rate, integrity rate, quality and efficiency of on-site fault resolution; the data processing completes the functions of acquisition protocol configuration, acquisition content configuration, acquisition strategy management, instruction issuing, message integrity judgment, initial data calculation and the like; the platform supporting function is used as a system basic part, a unified integrated platform, an interface interaction platform, a workflow supporting function, personnel and authority system management, an alarm engine, a public short message platform and a mail system.
In this embodiment, the terminal is connected to the front-end processor cluster through the load balancer, the front-end processor cluster is responsible for receiving and issuing messages, the issued and received messages are all cached in the distributed message queue, the distributed event processing service cluster is responsible for processing the issuing of the acquisition task and the processing of the acquisition result, the acquired original data is stored in the mass data storage, the distributed caching service is used for caching file information, the task management service is responsible for managing and coordinating the timing task in the whole system, and the acquisition management service is used for providing the issuing of the high-speed acquisition task for the front-end processor.
In the embodiment, a power grid dispatching system is established, and on a power supply side, the structure optimization of a service supply side is actively carried out, and the grid-connected operation flow of units such as new energy sources is optimized; on the power grid side, virtual power plant aggregation, flexible power flow control, reactive power coordination of a main power distribution network and optimal power flow optimization means are adopted; on the load side, auxiliary services are provided by interruptible load and load aggregators at test points to actively participate in power grid regulation interaction, so that the overall carbon efficiency level of the power system is promoted; on the energy storage side, three sides of a power supply, a power grid and a user are actively pushed to store energy, and the energy storage is developed to participate in the electric auxiliary service market.
In this embodiment, the operation maintenance management system of the distribution network is enhanced, the operation quality of the distribution network is improved, in the operation process of the distribution network, the voltage quality comprehensive treatment department is responsible for analyzing the diagnosis result of the distribution network, working out corrective measures aiming at frequent power failure, analyzing the operation risk factors of the distribution network, and implementing optimal configuration through intelligent management for technical transformation and maintenance, so that the transformation and upgrading of the distribution network can exert timeliness.
In this embodiment, the staff needs to arrive at the power failure line on-site actually measured voltage at any time, guides the user to scientifically and reasonably use electricity, and is used for adjusting the tap of the distribution transformer according to the electricity consumption condition of the user so as to comprehensively master the voltage condition of the distribution network, analyze the voltage distribution condition, evaluate the voltage quality, start the on-site investigation scheme, solve the power failure problem of the distribution network in time and ensure that the voltage is stable in the operation process of the distribution network.
In the embodiment, fault investigation and analysis are carried out on line segments with frequent power failure, corresponding anti-collision measures are adopted, construction conditions along the line are fully mastered, construction units are supervised and managed, potential safety hazards are timely found and solved, power failure caused by the construction of the broken line is avoided, a power supply department needs to set corresponding warning boards at construction sites to remind construction teams of safe construction, power enterprises strengthen daily inspection and propaganda work, behaviors of damaging power facilities are timely restrained, lightning protection devices are arranged between towers of the 10kV distribution transformer, insulation threat degree of lightning to the 10kV distribution transformer is reduced, circuit safety is maintained, and power failure times are reduced.
Example III
Referring to fig. 1, a distribution network 10kV line frequent power failure early warning analysis system includes the following subsystems: the system comprises an electric energy quality monitoring system, a platform supporting system, a data acquisition communication system, an operation and maintenance monitoring system, a business application system, an operation supervision system, a power grid dispatching system and an operation and maintenance management system.
A method for analyzing frequent power failure early warning of a distribution network 10kV line comprises the following steps:
s1: establishing an electric energy quality monitoring system, uploading data to a monitoring system platform, and generating an electric energy quality diagnosis report;
S2: acquiring electric quantity related data, and checking the implementation of indexes and the overall operation condition of an electric energy consumption acquisition system;
s3: constructing a system operation maintenance system of the system operation and maintenance monitoring automation system equipment;
s4: the terminals are connected to the front-end cluster through a load balancer, the front-end processor cluster is responsible for receiving and transmitting the message;
s5: establishing a power grid dispatching system, strengthening an operation maintenance management system of the distribution network, improving the operation quality of the distribution network, and making corrective measures for frequent power failure;
s6: and adjusting the tap of the distribution transformer according to the electricity consumption condition of a user, and performing fault investigation and analysis by effectively adjusting the voltage of the distribution network.
In the embodiment, an electric energy quality monitoring system is established, a gateway is accessed through a network cable, the gateway is networked in a wired mode, data is uploaded to a monitoring system platform, a history curve of each subharmonic is checked according to date, the platform provides an event overview of monitoring points for a user, and the event overview comprises 141 steady-state line-crossing events, transient event records, 136 steady-state events, 3 transient time events and 2 transient events; the event information comprises triggering time, event type, triggering channel, characteristic amplitude and duration of the event, the event is inquired and exported according to the requirement, a load curve of a monitoring point, voltage and current, voltage deviation, unbalance degree and flickering historical trend curve can be checked through a platform, and an electric energy quality diagnosis report is generated according to electric energy quality condition statistical analysis of the monitoring point.
In this embodiment, the collection system collects data related to electric quantity, and is divided into five subsystems: the system comprises a platform supporting system, a data acquisition communication system, an operation and maintenance monitoring system, a business application system and an operation monitoring system, wherein the operation condition of equipment of the whole system, the acquisition efficiency, the key user monitoring, the installation progress of each city company, the implementation of assessment indexes, the overall operation condition of the electricity consumption information acquisition system, the practical analysis of acquired data, the installation coverage rate and the operation supporting service assessment are monitored.
In the embodiment, the operation and maintenance monitoring system is divided into an operation and maintenance monitoring management function domain and a data management function domain, and the operation and maintenance monitoring automation system equipment of the system is constructed; quality and stability of the communications carrier channel; the completion of various indexes such as acquisition success rate, integrity rate, quality and efficiency of on-site fault resolution; the system comprises a communication system, a front-end communication system, an alarm engine, a public short message platform and a mail system, wherein the front-end communication system consists of a communication server, a management server, load balancing equipment and the like, and is used for completing terminal TCP access, protocol message receiving, message analysis and combination, and a platform supporting function is used as a system basic part, a unified integrated platform, an interface interaction platform, a workflow supporting function, personnel and authority system management, an alarm engine, a public short message platform and a mail system.
In this embodiment, the terminal is connected to the front-end processor cluster through the load balancer, the front-end processor cluster is responsible for receiving and issuing messages, the issued and received messages are all cached in the distributed message queue, the distributed event processing service cluster is responsible for processing the issuing of the acquisition task and the processing of the acquisition result, the task management service is responsible for managing and coordinating the timing task in the whole system, and the acquisition management service is used for providing the issuing of the high-speed acquisition task for the front-end processor.
In the embodiment, a power grid dispatching system is established, and on a power supply side, the structure optimization of a service supply side is actively carried out, and the grid-connected operation flow of units such as new energy sources is optimized; on the power grid side, virtual power plant aggregation, flexible power flow control, reactive power coordination of a main power distribution network and optimal power flow optimization means are adopted; on the load side, auxiliary services are provided by interruptible load and load aggregators at test points to actively participate in power grid regulation interaction, so that the overall carbon efficiency level of the power system is promoted; on the energy storage side, three sides of a power supply, a power grid and a user are actively pushed to store energy, and the energy storage is developed to participate in the electric auxiliary service market.
In this embodiment, the operation maintenance management system of the distribution network is enhanced, the operation quality of the distribution network is improved, in the operation process of the distribution network, the voltage quality comprehensive treatment department is responsible for analyzing the diagnosis result of the distribution network, working out corrective measures aiming at frequent power failure, analyzing the operation risk factors of the distribution network, and implementing optimal configuration through intelligent management for technical transformation and maintenance, so that the transformation and upgrading of the distribution network can exert timeliness.
In this embodiment, the staff needs to arrive at the power failure line on-site actually measured voltage at any time, so as to guide the user to scientifically and reasonably use electricity, so as to comprehensively master the voltage condition of the distribution network, analyze the voltage distribution condition, evaluate the voltage quality, start the on-site investigation scheme, so as to solve the power failure problem of the distribution network in time, and ensure the stable voltage in the operation process of the distribution network.
In the embodiment, fault investigation and analysis are carried out on line segments with frequent power failure, corresponding anti-collision measures are adopted, construction conditions along the line are fully mastered, construction units are supervised and managed, potential safety hazards are timely found and solved, power failure caused by the construction of the broken line is avoided, a power supply department needs to set corresponding warning boards in the construction section to remind a construction team of safe construction, power enterprises strengthen daily inspection and propaganda work, behaviors of damaging power facilities are timely restrained, threat degree of lightning on insulation of a 10kV distribution transformer is reduced, circuit safety is maintained, and power failure times are reduced.
Example IV
Referring to fig. 1, a distribution network 10kV line frequent power failure early warning analysis system includes the following subsystems: the system comprises an electric energy quality monitoring system, a platform supporting system, a data acquisition communication system, an operation and maintenance monitoring system, a business application system, an operation supervision system, a power grid dispatching system and an operation and maintenance management system.
A method for analyzing frequent power failure early warning of a distribution network 10kV line comprises the following steps:
s1: establishing an electric energy quality monitoring system, uploading data to a monitoring system platform, and generating an electric energy quality diagnosis report;
s2: acquiring electric quantity related data, and checking the implementation of indexes and the overall operation condition of an electric energy consumption acquisition system;
s3: constructing a system operation maintenance system of the system operation and maintenance monitoring automation system equipment;
s4: the terminal is connected to a front-end processor cluster through a load equalizer, and the front-end processor cluster is responsible for receiving and issuing the message;
s5: establishing a power grid dispatching system, strengthening an operation maintenance management system of the distribution network, improving the operation quality of the distribution network, and making corrective measures for frequent power failure;
s6: and adjusting the tap of the distribution transformer according to the electricity consumption condition of a user, and performing fault investigation and analysis by effectively adjusting the voltage of the distribution network.
In the embodiment, an electric energy quality monitoring system is established, a gateway is accessed through a network cable, the gateway is networked in a wired mode, data is uploaded to a monitoring system platform, a history curve of each subharmonic is checked according to date, the platform provides an event overview of monitoring points for a user, and the event overview comprises 141 steady-state line-crossing events, transient event records, 136 steady-state events, 3 transient time events and 2 transient events; the event information comprises triggering time, event type, triggering channel, characteristic amplitude and duration of the event, the event is inquired and exported according to the requirement, a load curve of a monitoring point, voltage and current, voltage deviation, unbalance degree and flickering historical trend curve can be checked through a platform, and an electric energy quality diagnosis report is generated according to electric energy quality condition statistical analysis of the monitoring point.
In this embodiment, the collection system collects data related to electric quantity, and is divided into five subsystems: the system comprises a platform supporting system, a data acquisition communication system, an operation and maintenance monitoring system, a business application system and an operation monitoring system, wherein the operation condition of equipment of the whole system, the acquisition efficiency, the key user monitoring, the installation progress of each city company and the overall operation condition of the electricity consumption information acquisition system are monitored.
In the embodiment, the operation and maintenance monitoring system is divided into an operation and maintenance monitoring management function domain and a data management function domain, and the operation and maintenance monitoring automation system equipment of the system is constructed; quality and stability of the communications carrier channel; the completion of various indexes such as acquisition success rate, integrity rate, quality and efficiency of on-site fault resolution; the system comprises a communication system, a front-end communication system, an alarm engine, a public short message platform and a mail system, wherein the front-end communication system consists of a communication server, a management server, load balancing equipment and the like, and is used for completing terminal TCP access, protocol message receiving, message analysis and combination, and a platform supporting function is used as a system basic part, a unified integrated platform, an interface interaction platform, a workflow supporting function, personnel and authority system management, an alarm engine, a public short message platform and a mail system.
In this embodiment, the terminal is connected to the front-end processor cluster through the load balancer, the front-end processor cluster is responsible for receiving and issuing messages, the issued and received messages are all cached in the distributed message queue, the distributed event processing service cluster is responsible for processing the issuing of the acquisition task and the processing of the acquisition result, the acquired original data is stored in the mass data storage, the distributed caching service is used for caching file information, the task management service is responsible for managing and coordinating the timing task in the whole system, and the acquisition management service is used for providing the issuing of the high-speed acquisition task for the front-end processor.
In the embodiment, a power grid dispatching system is established, and on a power supply side, the structure optimization of a service supply side is actively carried out, and the grid-connected operation flow of units such as new energy sources is optimized; on the power grid side, virtual power plant aggregation, flexible power flow control, reactive power coordination of a main power distribution network and optimal power flow optimization means are adopted; promoting the overall carbon efficiency level of the power system; on the energy storage side, three sides of a power supply, a power grid and a user are actively pushed to store energy, and the energy storage is developed to participate in the electric auxiliary service market.
In this embodiment, the operation maintenance management system of the distribution network is enhanced, the operation quality of the distribution network is improved, in the operation process of the distribution network, the voltage quality comprehensive treatment department is responsible for analyzing the diagnosis result of the distribution network, working out corrective measures aiming at frequent power failure, analyzing the operation risk factors of the distribution network, and implementing optimal configuration through intelligent management for technical transformation and maintenance, so that the transformation and upgrading of the distribution network can exert timeliness.
In this embodiment, the staff needs to arrive at the power failure line on-site actually measured voltage at any time, guides the user to scientifically and reasonably use electricity, is used for adjusting the tap of the distribution transformer according to the electricity consumption condition of the user, and realizes the monitoring of the operation of the distribution network by effectively adjusting the voltage of the distribution network and applying an automatic intelligent technology so as to comprehensively master the voltage condition of the distribution network, analyze the voltage distribution condition, evaluate the voltage quality and start an on-site investigation scheme, so that the power failure problem of the distribution network is solved in time, and the voltage stability in the operation process of the distribution network is ensured.
In the embodiment, fault investigation and analysis are carried out on line segments with frequent power failure, corresponding anti-collision measures are adopted, construction conditions along the line are fully mastered, construction units are supervised and managed, potential safety hazards are timely found and solved, a lightning current amplitude is properly limited by adopting a method of additionally arranging a lightning arrester, the lightning arrester is arranged between towers of a 10kV distribution transformer, the threat degree of lightning on insulation of the 10kV distribution transformer is reduced, the safety of a circuit is maintained, and the power failure times are reduced.
Example five
Referring to fig. 1, a distribution network 10kV line frequent power failure early warning analysis system includes the following subsystems: the system comprises an electric energy quality monitoring system, a platform supporting system, a data acquisition communication system, an operation and maintenance monitoring system, a business application system, an operation supervision system, a power grid dispatching system and an operation and maintenance management system.
A method for analyzing frequent power failure early warning of a distribution network 10kV line comprises the following steps:
s1: establishing an electric energy quality monitoring system, uploading data to a monitoring system platform, and generating an electric energy quality diagnosis report;
s2: acquiring electric quantity related data, and checking the implementation of indexes and the overall operation condition of an electric energy consumption acquisition system;
s3: constructing a system operation maintenance system of the system operation and maintenance monitoring automation system equipment;
s4: the terminal is connected to a front-end processor cluster through a load equalizer, and the front-end processor cluster is responsible for receiving and issuing the message;
s5: establishing a power grid dispatching system, strengthening an operation maintenance management system of the distribution network, improving the operation quality of the distribution network, and making corrective measures for frequent power failure;
s6: and adjusting the tap of the distribution transformer according to the electricity consumption condition of a user, and performing fault investigation and analysis by effectively adjusting the voltage of the distribution network.
In this embodiment, an electric energy quality monitoring system is established, a gateway is connected through a network cable, the gateway is networked in a wired mode, data is uploaded to a monitoring system platform, centralized management is performed on a charging and replacing station, harmonic analysis is performed, a user can check real-time frequency spectrograms of 2-63 harmonics and 0.5-62.5 subharmonics of the monitoring points, historical curves of the subharmonics are checked according to dates, the platform provides an overview of events occurring at the monitoring points for the user, records of 141 steady-state line-crossing events, transient events and transient events are included, a load curve and voltage current, voltage deviation, unbalance degree and flickering historical trend curves of the monitoring points can be checked through the platform, and an electric energy quality diagnosis report is generated according to statistical analysis of electric energy quality conditions of the monitoring points.
In this embodiment, the collection system collects data related to electric quantity, and is divided into five subsystems: platform braced system, data acquisition communication system, fortune dimension monitored control system, business application system, operation supervisory systems, the equipment operation condition of monitoring whole system, collection efficiency, key user supervision, each district company installation progress, the implementation of assessment index, the overall operation condition of power consumption information acquisition system, each supplier performance evaluation, functional module divide into index management and analysis, the analysis of online rate collection success rate, IT system operation condition, collection data practicality analysis, installation coverage rate, operation support service assessment.
In the embodiment, the operation and maintenance monitoring system is divided into an operation and maintenance monitoring management function domain and a data management function domain, and the operation and maintenance monitoring automation system equipment of the system is constructed; data storage, message packaging, data storage and load balancing, wherein data processing completes acquisition protocol configuration, acquisition content configuration, acquisition strategy management, instruction issuing, message integrity judgment, initial data calculation and other functions; the platform supporting function is used as a system basic part, a unified integrated platform, an interface interaction platform, a workflow supporting function, personnel and authority system management, an alarm engine, a public short message platform and a mail system.
In this embodiment, the terminal is connected to the front-end processor cluster through the load balancer, the front-end processor cluster is responsible for receiving and issuing messages, the issued and received messages are all cached in the distributed message queue, the distributed event processing service cluster is responsible for processing the issuing of the acquisition task and the processing of the acquisition result, the task management service is responsible for managing and coordinating the timing task in the whole system, and the acquisition management service is used for providing the issuing of the high-speed acquisition task for the front-end processor.
In the embodiment, a power grid dispatching system is established, and on a power supply side, the structure optimization of a service supply side is actively carried out, and the grid-connected operation flow of units such as new energy sources is optimized; on the power grid side, virtual power plant aggregation, flexible power flow control, reactive power coordination of a main power distribution network and optimal power flow optimization means are adopted; promoting the overall carbon efficiency level of the power system; on the energy storage side, three sides of a power supply, a power grid and a user are actively pushed to store energy, and the energy storage is developed to participate in the electric auxiliary service market.
In this embodiment, the operation maintenance management system of the distribution network is enhanced, the operation quality of the distribution network is improved, in the operation process of the distribution network, the voltage quality comprehensive treatment department is responsible for analyzing the diagnosis result of the distribution network, working out corrective measures aiming at frequent power failure, analyzing the operation risk factors of the distribution network, and implementing optimal configuration through intelligent management for technical transformation and maintenance, so that the transformation and upgrading of the distribution network can exert timeliness.
In this embodiment, the staff needs to arrive at the power failure line on-site actual measurement voltage at any time, guides the scientific and reasonable power consumption of user, supplies to adjust distribution transformer tap according to user's power consumption condition, through the voltage effective regulation to the distribution network, utilizes automatic intelligent technology to realize the control of distribution network operation to in time solve the power failure problem of distribution network, ensure that distribution network operation in-process voltage is steady.
In the embodiment, fault investigation and analysis are carried out on line segments with frequent power failure, corresponding anti-collision measures are adopted, construction conditions along the line are fully mastered, construction units are supervised and managed, potential safety hazards are timely found and solved, power failure caused by the construction of the broken line is avoided, a power supply department needs to set corresponding warning signs in a construction section to remind a construction team of safe construction, power enterprises strengthen daily inspection and propaganda work, the behavior of damaging power facilities is timely restrained, and fixing work and anti-corrosion work are carried out when a grounding wire is installed; the lightning current amplitude is properly limited by adopting a method of additionally arranging the lightning arrester, the lightning arrester is arranged between towers of the 10kV distribution transformer, the threat degree of lightning on the insulation of the 10kV distribution transformer is reduced, the safety of a circuit is maintained, and the power failure times are reduced.
Comparative example one
The first difference from the embodiment is that S1: establishing an electric energy quality monitoring system, uploading data to a monitoring system platform, generating an electric energy quality diagnosis report, establishing an electric energy quality monitoring system, accessing a gateway through a network cable, networking the gateway through a wired mode, uploading the data to the monitoring system platform, carrying out centralized management on a charging and replacing power station, carrying out harmonic analysis, checking a real-time spectrogram of 2-63 harmonics and 0.5-62.5 subharmonics of a monitoring point by a user, checking a history curve of each subharmonic according to the date, and providing an event overview of the monitoring point for the user by the platform, wherein the event overview comprises 141 steady-state line-crossing events, transient event records, 136 steady-state events, 3 transient events and 2 transient events; the event information comprises triggering time, event type, triggering channel, characteristic amplitude and duration of the event, the event is inquired and exported according to the requirement, a load curve of a monitoring point, voltage and current, voltage deviation, unbalance degree and flickering historical trend curve can be checked through a platform, and an electric energy quality diagnosis report is generated according to electric energy quality condition statistical analysis of the monitoring point.
Comparative example two
The second difference from the embodiment is that S2: the method comprises the steps of collecting relevant data of electric quantity, checking the implementation of indexes and the overall operation condition of an electric energy collection system, and collecting the relevant data of the electric quantity, wherein the collection system is divided into five subsystems: platform braced system, data acquisition communication system, fortune dimension monitored control system, business application system, operation supervisory systems, the equipment operation condition of monitoring whole system, collection efficiency, key user supervision, each city company installation progress, the implementation of assessment index, the whole operation condition of electricity consumption information acquisition system, IT system operation condition, collection data practicality analysis, installation coverage rate, operation support service assessment.
Comparative example three
The difference from the third embodiment is that S3: the operation and maintenance monitoring system of the system is divided into operation and maintenance monitoring management and data management functional domains, and the operation and maintenance monitoring system of the system is constructed; quality and stability of the communications carrier channel; the completion of various indexes such as acquisition success rate, integrity rate, quality and efficiency of on-site fault resolution; the system comprises a communication system, a front-end communication system, an alarm engine, a public short message platform and a mail system, wherein the front-end communication system consists of a communication server, a management server, load balancing equipment and the like, and is used for completing terminal TCP access, protocol message receiving, message analysis and combination, and a platform supporting function is used as a system basic part, a unified integrated platform, an interface interaction platform, a workflow supporting function, personnel and authority system management, an alarm engine, a public short message platform and a mail system.
Experimental example
The method and the system for early warning and analyzing the frequent power failure of the 10kV line of the distribution network in the first embodiment, the second embodiment, the third embodiment, the fourth embodiment and the fifth embodiment are tested, and the following results are obtained:
| example 1 | Example two | Example III | Example IV | Example five | |
| Service life of the product | 42 | 25 | 29 | 21 | 19 |
| Operating efficiency | 97.6％ | 61.8％ | 58％ | 74.5％ | 77.9％ |
Compared with the conventional distribution network 10kV line frequent power failure early warning analysis method and system, the distribution network 10kV line frequent power failure early warning analysis method and system have the advantages that the service life is greatly prolonged, the power grid operation efficiency is remarkably improved, and the first embodiment is the best embodiment.
Detection report
Aiming at the problems that the service life of equipment is reduced, the overall operation efficiency of a power grid is reduced, preventive maintenance cannot be realized, state maintenance cannot be realized and the like, the invention provides the method and the system for carrying out early warning analysis on the frequent power failure of a 10kV circuit of a distribution network.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the 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 be modified or some technical features may be replaced with others, which may not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. The method for analyzing the frequent power failure early warning of the distribution network 10kV line is characterized by comprising the following steps of:
s1: establishing an electric energy quality monitoring system, uploading data to a monitoring system platform, and generating an electric energy quality diagnosis report;
s2: acquiring electric quantity related data, and checking the implementation of indexes and the overall operation condition of an electric energy consumption acquisition system;
s3: constructing a system operation maintenance system of the system operation and maintenance monitoring automation system equipment;
s4: the terminal is connected to a front-end processor cluster through a load equalizer, and the front-end processor cluster is responsible for receiving and issuing the message;
s5: establishing a power grid dispatching system, strengthening an operation maintenance management system of the distribution network, improving the operation quality of the distribution network, and making corrective measures for frequent power failure;
s6: and adjusting the tap of the distribution transformer according to the electricity consumption condition of a user, and performing fault investigation and analysis by effectively adjusting the voltage of the distribution network.
2. The method for analyzing frequent power failure early warning of a distribution network 10kV line according to claim 1, wherein in the step S1, a power quality monitoring system is established, a gateway is connected with a gateway through a network cable, the gateway is connected with the network in a wired mode, data is uploaded to a monitoring system platform, the charging and replacing station is managed in a centralized mode, harmonic analysis and real-time spectrograms of 2-63 harmonics and 0.5-62.5 subharmonics of a monitoring point can be checked by a user, a history curve of each subharmonic is checked according to date, the platform provides an event overview of the monitoring point for the user, and the event overview comprises 141 steady-state line-crossing events, transient event records, 136 steady-state events, 3 transient time and 2 transient events; the event information comprises triggering time, event type, triggering channel, characteristic amplitude and duration of the event, the event is inquired and exported according to the requirement, a load curve of a monitoring point, voltage and current, voltage deviation, unbalance degree and flickering historical trend curve can be checked through a platform, and an electric energy quality diagnosis report is generated according to electric energy quality condition statistical analysis of the monitoring point.
3. The method for analyzing frequent power failure early warning of a distribution network 10kV line according to claim 1, wherein in the step S2, the data related to the electric quantity is collected, and the collection system is divided into five subsystems: platform braced system, data acquisition communication system, fortune dimension monitored control system, business application system, operation supervisory systems, the equipment operation condition of monitoring whole system, collection efficiency, key user supervision, each district company installation progress, the implementation of assessment index, the overall operation condition of power consumption information acquisition system, each supplier performance evaluation, functional module divide into index management and analysis, the analysis of online rate collection success rate, IT system operation condition, collection data practicality analysis, installation coverage rate, operation support service assessment.
4. The method for analyzing frequent power failure early warning of a distribution network 10kV line according to claim 1, wherein in the step S3, an operation and maintenance monitoring system is divided into operation and maintenance monitoring management and data management functional domains, and a system operation and maintenance monitoring automation system device operation and maintenance system is built; quality and stability of the communications carrier channel; the completion of various indexes such as acquisition success rate, integrity rate, quality and efficiency of on-site fault resolution; the front-end communication system comprises a communication server, a management server, load balancing equipment and the like, and is used for completing the functions of terminal TCP access, protocol message receiving, message analysis and combination, data storage, message packaging, data storage and load balancing, data processing for completing acquisition protocol configuration, acquisition content configuration, acquisition strategy management, instruction issuing, message integrity judgment, initial data calculation and the like; the platform supporting function is used as a system basic part, a unified integrated platform, an interface interaction platform, a workflow supporting function, personnel and authority system management, an alarm engine, a public short message platform and a mail system.
5. The method for analyzing frequent power failure early warning of a distribution network 10kV line according to claim 1, wherein in the step S4, a terminal is connected to a front-end processor cluster through a load equalizer, the front-end processor cluster is responsible for receiving and transmitting messages, the transmitted and received messages are cached in a distributed message queue, a distributed event processing service cluster is responsible for processing acquisition task transmission and acquisition result processing, acquired original data are stored in a mass data storage, a distributed caching service is used for caching archive information, a task management service is responsible for managing and coordinating timing tasks in the whole system, and an acquisition management service is used for providing high-speed acquisition task transmission for the front-end processor.
6. The method for analyzing frequent power failure early warning of a distribution network 10kV line according to claim 1, wherein in the step S4, a power grid dispatching system is established, and on a power supply side, the structure optimization of a positive service supply side is performed, and the grid-connected operation flow of units such as new energy sources is optimized; on the power grid side, virtual power plant aggregation, flexible power flow control, reactive power coordination of a main power distribution network and optimal power flow optimization means are adopted; on the load side, auxiliary services are provided by interruptible load and load aggregators at test points to actively participate in power grid regulation interaction, so that the overall carbon efficiency level of the power system is promoted; on the energy storage side, three sides of a power supply, a power grid and a user are actively pushed to store energy, and the energy storage is developed to participate in the electric auxiliary service market.
7. The method for analyzing the frequent power failure early warning of the distribution network 10kV line according to claim 1, wherein in the step S5, the operation maintenance management system of the distribution network is enhanced, the distribution network operation quality is improved, in the distribution network operation process, the voltage quality comprehensive treatment department is responsible for analyzing the distribution network diagnosis result, an improvement measure is made for the frequent power failure problem, the distribution network operation risk factors are analyzed, and the optimization configuration is realized through intelligent management for technical improvement and maintenance, so that the improvement and the upgrading of the distribution network can exert timeliness.
8. The method for analyzing the frequent power failure early warning of the distribution network 10kV line according to claim 1, wherein in the step S6, staff needs to actually measure the voltage on the power failure line field at any time, guide users to scientifically and reasonably use electricity, and provide power for adjusting the tap of a distribution transformer according to the electricity consumption condition of the users.
9. The method for early warning and analyzing frequent power failure of a distribution network 10kV line according to claim 1, wherein in the step S6, fault investigation and analysis are carried out on a line segment with frequent power failure, corresponding anti-collision measures are adopted, construction conditions along the line are fully mastered, construction units are supervised and managed, potential safety hazards are timely found and solved, power failure caused by the construction damage to the line is avoided, a power supply department needs to set corresponding warning boards in a construction section to remind a construction team of safe construction, daily inspection and propaganda work is enhanced for an electric power enterprise, the behavior of damaging electric facilities is timely stopped, and fixing work and anti-corrosion work are carried out when a grounding wire is installed; the lightning current amplitude is properly limited by adopting a method of additionally arranging the lightning arrester, the lightning arrester is arranged between towers of the 10kV distribution transformer, the threat degree of lightning on the insulation of the 10kV distribution transformer is reduced, the safety of a circuit is maintained, and the power failure times are reduced.
10. The utility model provides a join in marriage net 10kV circuit frequent power failure early warning analytic system which characterized in that includes following subsystem: the system comprises an electric energy quality monitoring system, a platform supporting system, a data acquisition communication system, an operation and maintenance monitoring system, a business application system, an operation supervision system, a power grid dispatching system and an operation and maintenance management system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310299710.8A CN116418115A (en) | 2023-03-25 | 2023-03-25 | Distribution network 10kV line frequent power failure early warning analysis method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310299710.8A CN116418115A (en) | 2023-03-25 | 2023-03-25 | Distribution network 10kV line frequent power failure early warning analysis method and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116418115A true CN116418115A (en) | 2023-07-11 |
Family
ID=87050748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310299710.8A Pending CN116418115A (en) | 2023-03-25 | 2023-03-25 | Distribution network 10kV line frequent power failure early warning analysis method and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116418115A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116703246A (en) * | 2023-08-02 | 2023-09-05 | 北京松岛菱电电力工程有限公司 | Intelligent management method and system for power distribution system |
| CN117096938A (en) * | 2023-10-19 | 2023-11-21 | 国网浙江省电力有限公司象山县供电公司 | Inverter output power quality adaptive control method and device and computer equipment |
-
2023
- 2023-03-25 CN CN202310299710.8A patent/CN116418115A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116703246A (en) * | 2023-08-02 | 2023-09-05 | 北京松岛菱电电力工程有限公司 | Intelligent management method and system for power distribution system |
| CN116703246B (en) * | 2023-08-02 | 2023-10-31 | 北京松岛菱电电力工程有限公司 | Intelligent management method and system for power distribution system |
| CN117096938A (en) * | 2023-10-19 | 2023-11-21 | 国网浙江省电力有限公司象山县供电公司 | Inverter output power quality adaptive control method and device and computer equipment |
| CN117096938B (en) * | 2023-10-19 | 2024-03-12 | 国网浙江省电力有限公司象山县供电公司 | Inverter output power quality adaptive control method and device and computer equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN116418115A (en) | Distribution network 10kV line frequent power failure early warning analysis method and system | |
| CN111815132B (en) | Network security management information publishing method and system for power monitoring system | |
| CN102663530B (en) | HVDC (High Voltage Direct Current) transmission system safe early warning and evaluating system | |
| CN101750561B (en) | Electrical energy quality monitoring and evaluating system | |
| CN101789628B (en) | Enterprise electrical energy-saving management system | |
| CN110557457A (en) | Intelligent electricity safety early warning and cloud protection system | |
| CN104730458B (en) | Generator excited system state monitoring method | |
| CN213750303U (en) | Electric energy metering abnormity diagnosis system based on electricity consumption information acquisition system | |
| CN102663535A (en) | Method and device for managing both technical performance and financial information of transformers | |
| CN107545519B (en) | Power grid enterprise operation and inspection management and control method | |
| CN111105048A (en) | Early warning method for state of power transmission and transformation Internet of things equipment | |
| CN113949155A (en) | Panoramic power quality monitoring system with real-time monitoring function | |
| CN110687494A (en) | Method and system for monitoring faults of remote gateway electric energy meter | |
| CN114418384A (en) | Charging pile standby power consumption and maintenance cost optimization method | |
| CN214795158U (en) | Distribution transformer monitoring device and online monitoring system | |
| CN116522746A (en) | Power distribution hosting method for high-energy-consumption enterprises | |
| CN105024379B (en) | A kind of maintenance of fan management scheduling system | |
| CN114266439A (en) | Method for evaluating running state of distribution transformer and related device | |
| CN113902317A (en) | Power distribution network line operation risk analysis system and method | |
| CN112557745A (en) | Power superposition comparison system and method for line loss monitoring | |
| Zhang et al. | Research on intelligent operation and maintenance technology of primary equipment in substation | |
| Okorie | Reliability Assessment of Power Distribution of Abakpa Network Sub-Station of Kaduna Disco | |
| Cao et al. | Online Monitoring and Early Warning Technology of Repeated Multiple Blackouts in Distribution Network Based on Multisource Information Fusion and Delphi Method. | |
| CN113945748B (en) | Power grid voltage monitoring data platform for realizing multi-interface fusion | |
| Huang et al. | An Intelligent Threshold Alarm Model Based on Abnormal Judgment of Logic Indicators |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication |