68results about How to "Improve operation and maintenance management level" patented technology

The invention discloses a centralized alarm monitoring system and method of a power system terminal communication access network. The method comprises the following steps: alarm collection: receiving real-time alarm messages reported by device network management systems, synchronizing the real-time alarm messages of the device network management systems to an alarm processor module to provide alarm and processing data sources for alarm; alarm preprocessing: performing normalized processing and classified compression on the collected alarm messages; alarm monitoring: displaying all kinds of preprocessed alarm messages on an alarm operating floor and a network topology diagram in real time, and forwarding important alarm to operation and maintenance personnel through short messages, emails and in station message means for important focus; fault diagnosis: performing analysis, diagnosis and qualitative diagnosis on the alarm according to the experience in an alarm processing experience library, and identifying all kinds of possible fault reasons inducing the alarm; and fault processing scheduling: locating the geographic position of a fault point according to the fault diagnosis result and the operation and maintenance group in charge, processing a work order, and scheduling the corresponding operation and maintenance group to remove the fault.

The invention discloses an SSH protocol operation and maintenance auditing system based on proxy technology. A monitoring playback module is arranged in a proxy server, auditors monitor operation and maintenance sessions between a client side and a target server in real time through the monitoring playback module, and meanwhile the auditors also can play back the finished operation and maintenance sessions according to their requirements. The invention further discloses an SSH protocol operation and maintenance auditing method based on the proxy technology. The functions for command analysis and session monitoring, cut-off and playback in the operating process are achieved when operation and maintenance staff conduct operation and maintenance operation on the target server, and beforehand prevention, current intervention and post analysis and processing of the operation and maintenance operation are achieved. According to the system and method, the internal risk control level of enterprises is increased to a certain degree, the operation and maintenance management level of an information system is increased, user behaviors on the servers are tracked, operation and maintenance cost is reduced, control and audit bases are provided, and the operation and maintenance operation is safer.

The invention provides a unified management platform for IT devices in distributed computer rooms. The unified management platform comprises a unified management module and a centralized monitoring module. The unified management module is used for conducting unified management on the various types of IT devices located at different regions, and unified management involves remote management of the various types of devices, remote batch script execution, remote batch production inspection, remote obtaining of configuration information of the devices and remote login of device monitoring consoles. The centralized monitoring module is used for conducting centralized monitoring on the various types of IT devices located at different regions, and centralized monitoring involves data acquisition, data handling, data processing, and data presentation and management. The unified management platform can be used for conducting unified management on the devices of the computer rooms distributed at the regions and can be used for conducting unified management according to different types and different brands of devices, and therefore unified management of different devices at different regions can be achieved through the same platform.

A secondary apparatus fault diagnosis method based on data excavation, comprises the steps of (1) reading power grid fault event information and the history information about the impact to the apparatus; (2) deducing and summing up diagnosis rule for filling a rule base through a data excavation inference module; (3) associating and classifying the information like remote measurement and remote signaling of a supervision control and data acquisition system (SCADA) read by a data analysis processing module at real time, fault information system (FIS) protection and switch motion and filtering the information irrelevant to the fault; (4) gathering the related fault information for analysis and positioning the apparatus that has a fault preliminarily; (5) diagnosing the processing information corresponding to the fault apparatus positioned preliminarily by an integrated diagnosis module; (6) gathering and analyzing the matched knowledge base rule and the related fault information to position the fault apparatus; and (7) providing the fault reason and the strategy for eliminating the fault in combination with the matched knowledge base rule in dependence on the positioned fault apparatus.

The invention provides terminal automatic access and configuration management methods. A bidirectional terminal registration management mechanism is established in a way of a terminal side power-on registration initiating mechanism first, a main station side regular polling mode supplemented, so that the problem of incapability of smoothly finishing a registering process caused by failures of links of a terminal, a communication network or a system main station is solved, and automatic accessing management efficiency and reliability of a large-scale power distribution terminal are increased and improved effectively. Meanwhile, an integral running and management configuration method for a system side terminal is provided, automatic resolution configuration of the registered terminal and information interaction with systems such as a system side power distribution automation system, a PMS (Power Production Management System) and a GIS (Geographic Information System) are considered, and automatic flexible configuration of the terminal is finished by correlation of information such as topology and equipment accounts, so that correct and reliable running of the terminal is ensured; labor cost in power distribution automation engineering construction and engineering operation and maintenance processes is lowered greatly; the power distribution automation operation and maintenance management efficiency and the automation level are increased; and power distribution operation and maintenance management lean development is supported.

The invention discloses an operation monitoring system for an electricity consumption information acquisition system. The operation monitoring system comprises an abnormality data recognition module, a data statistics module and an application release service module. An electricity consumption information acquisition system operation abnormality recognition model is established in the abnormality data recognition module. The abnormality data recognition module calls data from an acquisition database of the electricity consumption information acquisition system; the electricity consumption information acquisition system operation abnormality recognition model analyzes the data to judge and recognize metering devices which are abnormal and inputs recognized abnormality results into the data statistics module; the data statistics module is used for pre-counting the recognized abnormality results and storing statistical results in an application release server; the application release service module displays the statistical results according to set query conditions. The invention further provides an operation monitoring method for the electricity consumption information acquisition system. The operation monitoring system and the operation monitoring method have the advantages that operation abnormalities of the electricity consumption information acquisition system can be discovered and recognized in time, and various abnormalities can be queried conveniently.

The invention relates to a device for conducting construction simulation through a building information model (BIM). The device comprises a BIM data base memory, a construction scheme storage data base memory, a processor, a power supply module, a display and a comparer. The processor is respectively connected with the BIM data base memory, the construction scheme storage data base memory, the processor, the power supply module, the display and the comparer. Compared with prior art, the device has the advantages of being simple in structure, low in manufacture cost and capable of helping engineering building projects to improve efficiency, reduce risks and improve construction, operation, maintaining and management levels of the projects and the like.

The invention discloses a method and a system for monitoring safety of an oil and gas pipeline based on unmanned aerial vehicle line patrol and a software storage device. The method comprises the steps of S1, acquiring multi-source data generated by safety monitoring of the oil and gas pipeline with an unmanned aerial vehicle; S2, carrying out risk identification on a mono-temporal image accordingto a characteristic library obtained by historical risk characteristic training, carrying out the risk identification on a multi-temporal image by use of a saturation-based change detection method toidentify change regions between different time phases, calculating and combining mono-temporal and multi-temporal risk identification results; S3, reappearing an inspection process of the unmanned aerial vehicle for the oil and gas pipeline in a three-dimensional platform; S4, carrying out route planning of the unmanned aerial vehicle inspection and analysis of a water-flooded space of the pipeline; and S5, outputting a pipeline hidden danger report which includes a risk identification report and a spatial analysis report, and making a decision according to the pipeline hidden danger report.According to the method and the system for monitoring the safety of the oil and gas pipeline based on unmanned aerial vehicle line patrol and the software storage device, the safety management cost ofthe oil and gas pipeline is effectively reduced, the safety monitoring efficiency is improved and the operation and maintenance management level of a pipe network is enhanced.

The invention discloses a low-voltage power distribution network topology identification system based on pulse characteristic current signals. A bus current centralized controller is installed on a low-voltage incoming line switch layer, a plurality of branch current detectors are installed on the low-voltage outgoing line switch layer, a plurality of branch current detectors are installed on thebranch line switch layer, a plurality of branch current detectors are installed on the metering box user switch layer, and a pulse characteristic current generator is installed at the tail end of a user. On the premise that an original circuit is not changed, a bus current centralized controller is arranged at a main switch;, a branch current detector and a pulse characteristic current generator are respectively arranged on each branch and the power distribution network user tail end; and the topological structure of the low-voltage power distribution network is obtained, the change of the topological structure of the power distribution network can be monitored online in real time, the topological structure of the low-voltage power distribution network is monitored and reported in real time, and the power supply reliability and the power grid operation and maintenance management level are improved.

The invention provides a wind power-solar power-energy storage combined power generation system equipment state assessment information system. The system comprises a data entry unit, a wind power subsystem assessment unit, a photovoltaic subsystem assessment unit and an energy storage subsystem assessment unit, wherein the data entry unit comprises a data input interface and a data storage module, the wind power subsystem assessment unit comprises a wind power index calculation module, a wind power state classification module, a wind power state early warning module, a wind power overhaul and decision-making module, and a wind power state assessment module; the photovoltaic subsystem assessment unit comprises a photovoltaic index calculation module, a photovoltaic state classification module, a photovoltaic state early warning module, a photovoltaic overhaul and decision-making module, and a photovoltaic state assessment module; and the energy storage subsystem assessment unit comprises an energy storage index calculation module, an energy storage state classification module, an energy storage state early warning module, an energy storage overhaul and decision-making module, and an energy storage state assessment module. The wind power-solar power-energy storage combined power generation system equipment state assessment information system reduces operation and maintenance costs, improves the utilization rate of the equipment, and prolongs the maintenance cycle of the equipment.

The invention discloses a low-voltage power distribution network topological relation online identification and monitoring method. The method comprises the following steps of 1, using an integrated controller to send a turn-on instruction to an identification current generator at a user terminal, and enabling each branch current detector to monitor the current state information of a branch in realtime and upload the current state information to the integrated controller; 2, when the centralized controller senses that a characteristic current flows through the branch current detector of the branch, recording an address code; turning on other identification current generators one by one in a time-sharing manner; 3, enabling the centralized controller to complete the transformer area topology on-line identification and monitoring through the logic calculation and according to the address code. According to the method, on the basis of not changing an original circuit, and by installing the centralized controller, the branch current detectors and the identification current generators, the low-voltage power distribution network topology structure is obtained, and the change of the powerdistribution network topology structure can be monitored on line in real time, the low-voltage network topology structure can be monitored and reported real-timely, and the power supply reliability and the power grid operation and maintenance management level are improved.

The invention discloses an intelligent rural sewage operation and maintenance management system. The system comprises a sewage treatment system, a data acquisition and monitoring system and an intelligent operation and maintenance management system which are electrically connected with one another, wherein the sewage treatment system comprises a plurality of sewage purification devices and an automatic control module and is used for purifying sewage; the data acquisition and monitoring system comprises a water quality acquisition module and a power equipment operation data acquisition module;the water quality acquisition module is used for acquiring the sewage quality condition of each stage treated by the sewage treatment system, and the power equipment operation data acquisition moduleis used for acquiring the operation condition of each sewage purification device in the sewage treatment system; and the intelligent operation and maintenance management system is used for carrying out operation and maintenance management on the whole system and carrying out processing and feedback on abnormity of the system. Through intelligent management and control combining online remote monitoring, unattended operation and remote control, operation and maintenance management cost is effectively reduced, and equipment faults can be handled in time.

The invention relates to a method for evaluating an insulation aging state of a crosslinked polyethylene cable. The method comprises the following steps that a to-be-detected cable sample is selected;the cable sample is sliced axially to obtain sample pieces; the sample pieces are subjected to ultrasonic cleaning and make contact with electrodes; the sample pieces are subjected to dielectric losstest, and the dielectric loss is detected; and according to a dielectric loss result, the cable aging degree is judged. According to the method, design is reasonable, the functions of detecting and evaluating a major insulation aging state of an in-service cable are achieved through a dielectric loss test method of the cable sample pieces, the test result has better guiding significance to transformation and maintenance of a cable line, the cable operation and maintenance management level can effectively improved, safe operation of the cable line is ensured, and the method has the advantagesof easy and convenient operation, cost saving and the like.

The invention relates to a power distribution room monitoring system. The power distribution room monitoring system comprises an acquisition device, an Internet-of-things middle station and a video middle station which are connected with the acquisition device, and a front-end module which is connected with the two middle stations. The acquisition device is used for acquiring sensor data and videodata of each power distribution room. The Internet-of-things middle station is used for processing the sensor data and packaging the processed sensor data into a sensor database. The video middle station is used for processing video data and packaging the processed video data into a video database. The front-end module is used for sending a sensor data request to the Internet-of-things middle station and sending a video data request to the video middle station, the sensor data request is used for controlling the Internet-of-things middle station to call sensor data from the sensor database, and the video data request is used for controlling the video middle station to call video data from the video database. The front-end module is also used for receiving and displaying sensor data and video data. The Internet-of-things middle station and the video middle station effectively connect the information of the power distribution rooms in series, and the problem of information island is solved.

The invention relates to an integrated pipe gallery monitor system that is used for monitoring and managing the pipe gallery. The integrated pipe gallery monitor system comprises a data source, a platform layer and a display layer, wherein the data source and the platform layer are in network communicated connection, the platform layer and the display layer are in network communicated connection,the platform layer is between the data source and the display layer, the data source comprises a data collector, the display layer comprises an early warning and forecasting subsystem and a security subsystem, the early warning and forecasting subsystem comprises a combustible gas alarm system, a fire door monitor system, and an automatic fire disaster alarm system, the security subsystem comprises an entrance and exit control system, an offline patrol system and an entrance and exit control system, a personnel precise positioning system, a personnel invasion system and a video monitor system,and the display layer is realized through a client. The integrated pipe gallery monitor system integrates data collection, data storage, object monitoring, alarming and warning and other functions, thereby realizing unified monitoring, centralized management, lowered cost and higher operation and maintenance level.

A power distribution network power supply capacity risk assessment method includes the steps that standing books of power distribution equipment of a unit are obtained through a power distribution equipment monitoring system; essential information of the power distribution equipment is obtained; power distribution network power supply capacity risk parameters are set; on the basis, a power distribution network power supply capacity program is written, essential parameters such as the run-unit, the equipment class and counting time are input, and finally a power distribution network power supply capacity risk assessment report is automatically generated. The method is suitable for dividing power distribution network power supply capacity risk key areas and technical and economic indexes of transformation work of medium and low voltages of a power distribution network are optimized.

The invention relates to a smart-phone-based running state monitoring system of an agricultural machine. The smart-phone-based running state monitoring system is composed of a vehicle-mounted state monitoring device, a built-in bluetooth module, a vehicle identification code, a server, and a smart phone. The built-in bluetooth module installed at an agricultural machine is used for collecting real-time running state data of the agricultural machine; the vehicle identification code pasted or arranged at the cab of the agricultural machine includes number information and bluetooth configurationinformation of the vehicle-mounted state monitoring device installed at the agricultural machine; the server is used for storing the running state data of the agricultural machine, equipment information data of the agricultural machine, and user information data and is also connected with a remote monitoring computer; and a built-in wireless communication module, a bluetooth module and a field monitoring mobile phone APP are arranged in the smart phone. According to the invention, with the GPS and mobile communication network installed at the smart phone, positioning and remote data communication are realized and thus the remote monitoring function is realized, so that the cost is lowered obviously.

The invention provides an intelligent 10-kV line tripping false alarm judging implementation method. The intelligent 10-kV line tripping false alarm judging implementation method comprises the following steps that 1, content that a tripping condition filling module needs to fill in is determined; 2, a 10-kV line tripping criterion and rule are determined; 3, interfaces for achieving resource sharing among distribution network monitoring systems are established and broken through, and related information of line tripping is extracted and matched and verified with filling information; 4, tripping information reported by units is judged according to the made judging rule, and in the tripping condition filling module, a system selects 'false alarms' and fills in 'false alarm types'; and 5, the intelligent judging system conducts judging according to the conditions such as a current curve acquired by the system, an SOE accident record uploaded by a protection device, the distribution transform outage condition and the like to enter an artificial intelligent assessment process, and the system obtains outage, cancellation, transmission testing and tripping through algorithm calculation and intelligent retrieval. According to the method, by calling related data of the systems for comparative analysis, subjective factors such as non-objectiveness, misjudgment and the like which are brought by artificial judgment are greatly reduced.

The invention discloses a highway tunnel electromechanical operation and maintenance management system, which comprises a mobile terminal, a WEB management system, and a database system, wherein the mobile terminal is used to input and inquire equipment information, reporting fault, recording equipment fault, reporting fault information and reporting a maintenance result according to the unique identification of electromechanical equipment; the WEB management system is used for carrying out related service operation according to a preset self role and a corresponding permission; and the database system is used for forming a basic information library for the highway tunnel electromechanical equipment to realize history tracking and information sharing on the electromechanical equipment. According to the operation and maintenance management system provided in the invention, in a condition in which the electromechanical equipment is slightly changed, a management mechanism with supply, management, use, maintenance and repair integrated for the electromechanical equipment is realized, and the operation and maintenance management level of the electromechanical equipment is pushed to be enhanced. The operation and maintenance management system realizes effective management on the electromechanical equipment, the management efficiency is greatly improved, and waste of money and personnel during the operation and maintenance process is reduced.

The invention discloses a secure switching module for primary and secondary units of a telecontrol machine and a switching method of the secure switching module. The secure switching module for the primary and secondary units of the telecontrol machine comprises a starting module, a preselection module and a self-inspection module, wherein the starting module is connected to the self-inspection module through the preselection module; the starting module comprises a periodic self-starting module and a manual starting module; the preselection module comprises a transformer substation checking module, a telecontrol machine checking module and a key checking module; and the self-inspection module comprises a hardware self-inspection module, a software self-inspection module and a channel detection module. According to the secure switching module for the primary and secondary units of the telecontrol machine and the switching method of the secure switching module, the correctness of primaryand secondary switching operation is guaranteed; a switching failure and even occurrence of mis-execution of switching due to a manmade mistake or equipment abnormality are reduced; and the secure operation level of scheduling of automatic operation and maintenance is increased.

The invention relates to an operational energy consumption monitoring apparatus for a transformer substation. The monitoring apparatus adopts an embedded type circuit, wherein an A9 CPU processor, an RAM memory, an RFID 900Ghz radio frequency module, a power supply module and a communication module are integrated into one body; and an integrated circuit is connected with the A9 CPU processor, the RAM memory, the RFID 900Ghz radio frequency module, the power supply module and the communication module to finish transmission and communication of data and instructions between the corresponding modules. The operational conditions of the switch cabinet cooler of the transformer station, the air conditioner and electric heater equipment in the electric-heating and main-control chambers of the transformer mechanism can be accurately monitored; the collection of the power utilization data and the switch state of the energy consumption equipment can be finished; the power utilization energy consumption data of the energy consumption electric quantity in the transformer substation chamber can be processed; the operational states of the energy consumption equipment in the transformer substation can be monitored in real time; and therefore, the operation and maintenance staff can master the operational energy consumption condition of the transformer substation, the energy consumption monitoring and management of the transformer substation can be realized, and the operation and maintenance management level of the transformer substation can be improved.

The invention discloses a method for remotely controlling and operating dispatching automation systems by the aid of a remote-control safety strategy module. The method includes phases of S1, selecting remote-control objects and carrying out double-party confirmation on operators and guardians; S7, carrying out safety verification on attribute definition of databases by the aid of the remote-control safety strategy module; S2, operating and selecting division/reunion; S3, judging whether the attribute definition of the databases passes verification or not by the aid of a five-prevention simulation system; S4, judging whether transformer substations are re-verified or not; S5, executing equipment of the transformer substations; S6, stopping executing the equipment of the transformer substations if the transformer substations fail to be re-verified and the like. The method has the advantages that correct application of remote-control functions further can be guaranteed, remote-control re-verification failure due to errors of the attribute definition of the databases can be reduced, even remote-control error execution can be reduced, and accordingly the safety running level of power grids can be enhanced; remote-control functions are led into a remote-control safety verification module, data maintenance and change conditions do not need to be re-checked by special persons, and the running and maintenance management level of the dispatching automation systems can be upgraded.

The application relates to a node voltage fault positioning method and device of a relay protection secondary circuit. The node voltage fault positioning method comprises the step: constructing a secondary circuit model including a positive electrode power supply node, a negative electrode power supply node, a plurality of kinds of elements arranged between the positive electrode power supply nodeand the negative electrode power supply node and nodes arranged at the two ends of the plurality of kinds of elements; acquiring the voltage of each node in the secondary circuit model to form a nodevoltage matrix; and providing a normal-state voltage model including a plurality of normal voltage matrixes and comparing the node voltage matrix with the normal-state voltage model to locate a faultpoint. According to the provided method, the fault diagnosis and fault positioning of the secondary circuit are realized by collecting the electrical quantity of the secondary circuit, thereby realizing real-time fault monitoring of the secondary circuit and improving the operation and maintenance management level of the intelligent substation.

The invention belongs to the technical field of intelligent operation and maintenance management of the Internet of Things, and particularly relates to a big data-based intelligent monitoring and analyzing system for power transformation equipment, which comprises a central monitoring system and a terminal system, the central monitoring system is mainly used for completing multi-source data accessand storage, providing an analysis process rapid construction function and calling the packaged analysis algorithm service to carry out multi-dimensional and multi-scale correlation analysis on the data; meanwhile, functions of global monitoring, remote maintenance, power supply management and control, safety control, fault analysis and prediction are provided through the service subsystem; and the terminal system is mainly responsible for performing encryption, data retransmission control and data source interface adaptation on local data of the transformer substation, and sending the data to the data acquisition server through two access modes of VPN wired and GPRS wireless. The invention is high in operation and maintenance efficiency, can effectively improve the operation and maintenance management level of the State Grid Corporation of China, reduces the operation and maintenance cost, and can achieve the global monitoring and fault prediction and diagnosis of various types of electrical equipment.

The invention discloses a fault analysis and pretreatment method based on a transient and wave recording type fault indicator. The method comprises steps of: obtaining a wave recording file of the transient and wave recording type fault indicator; performing phase analysis on the first 3 power frequency periods of a wave recording waveform W1, while performing inverse phase process on the wave recording waveform, which does not meet the phase requirement, and re-forming a wave recording waveform W2; calculating values of phase difference, namely Pha, Phb, and Phc, between the three-phase voltage and the current of A, B, and C in W2; judging whether the sizes of Pha, Phb, and Phc belong to the [0 degree, 25 degrees] interval. if so, turning to step 4; and if not, inverting the current waveform, which does not meet the phase requirement, synchronously updating the wave recording waveform W2, and judging whether the sizes of Pha, Phb, Phc belong to the [0 degree, 25 degrees] interval again; if so, turning to step 4; recalculating and updating a zero-sequence current of the updated wave recording waveform W2, based on the three-phase current in the updated wave recording waveform W2.

The invention discloses a method for monitoring and optimizing topology through real-time analysis of operation and maintenance data. The structure of the variable and solidified monitoring product is an open monitoring product design that can add intelligent strategies, and the data collection, abnormal judgment and data processing are combined. Separate the abnormal cross-border from the fault, and use the intelligent dimension strategy with clear boundaries as an independent program body, which can be loaded into the management system to continuously enhance the intelligent processing ability of the system; use algorithms to extract each The "health standard" of the management object, continuously collects the operation data of each monitoring point, compares it with the health standard of the period, obtains the deviation value of the health status, counts the cross-border situation, obtains the trend of system operation health, finds symptoms of problems, and prompts users in time , prevent problems before they happen; be able to adapt to different situations, and constantly change the operation and maintenance management method according to the actual situation, and continuously improve the operation and maintenance management level.

The invention discloses an automatic configuration changing system including a configuration knowledge base, a configuration backup and export module, a configuration change discovery and recovery module, a configuration information change module and a configuration issuing and rollback module, wherein the configuration knowledge base defines an equipment resource library, a configuration collection library and a configuration change library, and the configuration backup and export module is used for customizing an equipment set and a configuration item which need to be backed up, forming a backup task and executing the backup task; the configuration change discovery and recovery module is used for customizing an equipment set and a configuration item which need to be detected and changed,forming a comparison task and executing the comparison task; the configuration information changing module is used for generating and executing a configuration changing task; and the configuration issuing and rollback module issues the configuration file and provides rollback operation. Equipment managers and system operation and maintenance personnel are liberated from repeated work, automationof configuration backup and configuration change is achieved, and the risk that omissions and errors are likely to happen due to manual configuration operation is effectively reduced.