57results about How to "Improve the quality of service" patented technology

The invention discloses a deep learning-based electric power suspected complaint work order recognition method, and relates to complaint recognition method for electric power customer services. At present, electric power suspected complaint work orders are artificially recognized, so that the efficiency is low, the timeliness is bad and human resources are wasted. The method comprises the following steps of: 1) deep learning model configuration; 2) complaint feature label extraction; 3) complaint sample formatting; 4) model learning and training; 5) suspected complaint recognition; and 6) suspected complaint classification. According to the method, a series of work such as data cleaning and sorting, complaint tendency word extraction, data modeling and optimization, sample iterative learning and training, machine learning and prediction and the like can be carried out on complaint lists through a deep learning technology, so that deep learning-based intelligent recognition and classification of suspected complaint work orders are realized, the intelligent work experience is enhanced and the service quality control work efficiency is improved.

Provided are an electric marketing service expansion mobile application system and a work method thereof. . Traditional managing software which can only be used in a local area network of an electric power company greatly restrains site communication and improvement of the service quality. The electric marketing service expansion mobile application system comprises an upper computer and a portable handheld set. The handheld set is provided with a wireless communication module, a task receiving module, a route planning module, a customer information inquiring module, a power grid information inquiring module, a service expansion processing module and a site data uploading module. The upper computer is provided with a BOSS professional system. The BOSS professional system is provided with a mobile operation platform module, a service expansion data receiving module and a work order processing module. The technical scheme of the electric marketing service expansion mobile application system changes an interactive traditional operation method of going back and forth between a site and the BOSS system for many times, achieves space extension and time expansion of marketing service expansion work and improves the work efficiency and the service level again.

A palmtop marketing system for on-site service for electric power customers is an information transmission marketing system based on a GPRS wireless communication network ad comprises a host computer system which consists of a database server and a marketing application server and is arranged in a central computer room, a communication network constructed in a way of combining LAN with GPRS and eGPRS, and a palmtop computer carrying a comprehensive search module, a table normalization module, an on-site service expanding and correcting module, a copying and checking module, an electricity-use examination module, an inline work module and a metrological management module. The palmtop computer is connected with the host computer system by a wireless communication network or a PC terminal so as to conduct data exchange and realize the on-site service for electric power customers. The system adopts a method which utilizes the remote networking, automatic interaction and service procedure regulation of the palmtop computer and a background basic information system to provide information guaranty for on-site work, improve the service level and the work efficiency and solve the problems concerning the consistency, accuracy and promptness of the marketing system and distribution system data. The system is suitable for urban and rural power supply departments.

The invention discloses a time-of-use pricing electric energy measurement analyzer and an application method thereof, related to the technical field of measuring electrical variables. The time-of-usepricing electric energy measurement analyzer is provided with an information and communication output module, a signal processing module and an operation processing module, and is further provided with a period control circuit connected with a data processing unit, wherein the analyzer can be applied to a time-of-use pricing billing without meter. The time-of-use pricing electric energy measurement analyzer and the application method thereof, provided by the invention, have the following beneficial effects: the analyzer has a function of time-of-use pricing, and under the premise of performingdeep researching on actual power of a secondary circuit, a new electric energy further charging method is provided. With the analyzer and the method provided by the invention, changing an electric energy meter without cutting off power supply of a power supply line is allowed, moreover, total supplied power during a period when the electric energy meter is not provided can be accurately added up,further charging of power for the user is facilitated, doubt of the user can be dispelled, and excellent service level is improved.

The invention provides a circuit breaker-based automatic fault processing method of a local reclosing feeder. The circuit breaker-based automatic fault processing method comprises the steps of 1) configuring delay rapid-breaking protection and primary reclosing function in a circuit breaker at an outlet of a substation, and arranging circuit breakers at segmented switches and branch switches alonga line; 2) setting delay closing time T1 and closing determination time T2 of the segmented switches and the branch switches; 3) performing fault tripping; 4) performing fault isolation, and recovering power supply to an upstream load; and 5) recovering power supply to a fault downstream load, in which a contact switch is closed by a remote or manual operation mode so as to recover power supply to the upstream load. By the circuit breaker-based automatic fault processing method, the problem of reclosing for two times is needed to be configured for automation of a traditional voltage-time typeand voltage-current type reclosing feeder is solved, the influence of reclosing for many times on the load during the automatic fault processing process of the reclosing feeder is prevented, and thepower supply reliability and the high-quality service level of a power distribution line are greatly improved.

The invention relates to a live working method for replacing a distribution transformer. The method comprises the following steps of: (a) respectively installing an insulated cable at the front end of the high-voltage circuit breaker of a transformer to be replaced and the back end of the low-voltage circuit breaker, respectively connecting to breakers on both sides of a mobile transformer used for temporary power supply, thereby forming an all-insulated bypath system connected in parallel to the original high-low voltage changeover system after closing the breakers on the two sides; (b) disconnecting the original high-low voltage changeover system, and replacing the original high-low voltage changeover system with a temporarily erected all-insulated bypath system; (c) and after the new high-low voltage changeover system of the distribution transformer operates normally, disconnecting and removing the all-insulated bypass changeover system. On the premise of uninterrupted power supply to users, the invention replaces the distribution transformer on load, thereby avoiding users' inconvenience and loss caused by power cut and enhancing the power distribution reliability.

The invention discloses a method for improving the answering accuracy of an electricity intelligent response robot. The method comprises the following steps that a client asks a question in an electronic channel; after the electricity intelligent response robot receives the question of the client, semantic comprehension is performed on the question of the client, word segmentation is performed onthe question of the client, and keywords are obtained through screening; the obtained keywords are knowledge in a background knowledge base are matched, and the similarity of the question input by theclient and knowledge in the knowledge base is calculated; the knowledge similarity obtained according to calculation is subjected to descending sorting, and the knowledge with the highest text similarity is selected to be fed back to the client; after the knowledge is fed back to the client, if the client does not click within the required time, the client is requested to feed back the reason ofunclicking. On the sufficient basis of feedback of the client to the question asking result, the robot question answering accuracy is improved, and the client service experience is improved.

The invention provides a multi-channel remote signal test device for a ring network cabinet and a test method thereof, and relates to the technical field of remote control signal test. The multi-channel remote signal test device for the ring network cabinet comprises an analog switch module A, an analog switch module 101, an analog switch module 102 and an analog switch module B. The multi-channel remote signal test method for the ring network cabinet comprises the steps of firstly, accessing a tester to the remote control loop of a ring network cabinet DTU; secondly, testing an initial state; thirdly, testing the state; fourthly, capturing and self-maintaining multi-channel remote signals; fifthly, recording a test result and checking the result. According to the invention, the device realizes the multi-channel test and four intervals can be continuously operated. Repeated confirming links are eliminated. Meanwhile, when one part inside the ring network cabinet or the switching-on outlet of the ring network cabinet is in wrong connection, the wrong connection can be directly reflected by the device. Therefore, the field test personnel can check and repair the wrong connection conveniently. Meanwhile, the wiring number is reduced through the standardized primary wiring operation by the device, so that the influence of human factors is reduced to the lowest.

The invention relates to a mobile intelligent loop closing device. The mobile intelligent loop closing device is arranged between a power grid incoming line 1 and a power grid incoming line 2 and comprises phase shift equipment, an open-circuit switch CB, a first isolation cutter DS1, a second isolation cutter DS2 and a third isolation cutter DS3, wherein the phase shift equipment and the open-circuit switch CB are connected in series, one end of the phase shift equipment is connected with one end of the open-circuit switch CB, a first wiring terminal is led out of the other end of the phase shift equipment, a second wiring terminal is led out of the other end of the open-circuit switch CB, one end of the power grid incoming line 1 is connected with a distribution network master station, the other end of the power grid incoming line 1 is connected with the first wiring terminal and one end of the second isolation cutter DS2, the other end of the second isolation cutter DS2 is connected with a load and the first isolation cutter DS1, the power grid incoming line 2 is connected with the distribution network master station, the other end of the power grid incoming line 2 is connected with the second wiring terminal and one end of the third isolation cutter DS3, the other end of the third isolation cutter DS3 is connected with the load and the first isolation cutter DS1, and the second isolation cutter DS2 and the third isolation cutter DS3 are separately connected by the first isolation cutter DS1.

The invention discloses a metering abnormality online monitoring method and system and a readable storage medium, and relates to the field of metering abnormality monitoring. The method comprises thefollowing steps of collecting electric energy meter frozen data and real-time data according to an acquisition frequency, and processing the collected data in real time, wherein abnormal parameters are calculated according to the collected data, wherein the abnormal parameters comprise a voltage imbalance parameter, an electric energy meter online state estimation parameter and a current imbalanceparameter; whether the abnormal parameters exceed a set threshold or not is judged, and if the abnormal parameters exceed the set threshold, reminding is triggered and then continue collection is performed; or otherwise, after the abnormal parameters are saved, and then the collection is continued. The automatic and efficient lookup of the metering abnormality is realized and the metering abnormality judgment accuracy is improved by carrying out in-time analysis on the abnormal parameters, and by newly adding the calculation voltage imbalance parameter, the electric energy meter online stateestimation parameter and the current imbalance parameter, so that the abnormal processing efficiency is improved, and the problem of low abnormal discovery and processing efficiency in the existing manual metering abnormality troubleshooting is solved.

The invention provides a metering device wire misconnection analysis method and system based on internal data of an electric energy meter, and the method comprises the steps: obtaining original data collected by the electric energy meter, and classifying the original data according to an access phase line mode of the electric energy meter; and judging a voltage access mode of the classified data according to a voltage phase sequence, respectively listing a correct expression of a power factor angle and an expression under the current real wiring according to the relationship between the voltage and the current of each element in space, and realizing wire misconnection analysis through the distribution of vectors in the space. Based on the method, the invention further provides the meteringdevice wire misconnection line analysis system based on the internal data of the electric energy meter. According to the invention, strong voltage is not required to be contacted in the operation process, and work contents such as wiring condition analysis, vector diagram drawing, power expression calculation, correction coefficient calculation, electric quantity compensation and electric chargecompensation calculation of an electric energy metering device are completed through database and software analysis by acquiring internal data of the electric energy meter; therefore, electric shock danger is avoided and the working efficiency is improved.

The invention discloses a method for determining a single-phase ground fault of a small current grounding system. A plurality of transformer station outgoing lines located in the small current grounding system are included. Each transformer station outgoing line is provided with a zero-sequence current transformer. The method is characterized by comprising the following steps of: A, acquiring secondary zero-sequence current values generated by the zero-sequence current transformers and reducing the secondary zero-sequence current values to primary zero-sequence current values by variable-ratioamplification; B, transmitting the primary zero-sequence current values to a main station scheduling desk through telecontrol, and displaying the primary zero-sequence current value of each transformer station outgoing line at the main station scheduling desk; and C, determining a faulty line according to the magnitudes of the primary zero-sequence current values. The method realizes purposes ofaccurately searching for a small current grounding line, avoiding power outage of non-faulty lines, shortening the abnormal-state time of a power grid, reducing labor intensity of a scheduler and improving work efficiency.

The invention relates to a transformer area topological structure generation algorithm, which is completed by the following processes of (1) performing the network time synchronization with a lower-level sensing terminal via a network protocol by taking the time of a main sensing terminal as the reference time; (2) after the time synchronization, enabling all the nodes to start to collect and freeze the real-time current of the node line at the same frequency at the same time point of the time axis to enable each node to generate a string of numerical value sequences containing the time sequences, node positions and current vector values; (3) enabling each node to upload the numerical value sequence to the main sensing terminal; (4) enabling the main sensing terminal to convert the numerical value sequence uploaded by each node into a time sequence complex curve; (5) extracting the features of a time sequence complex curve by using a pattern recognition algorithm; and (6) generating a power supply network topological structure tree according to the inverse feature inheritance relationship. The method has the advantages that the power grid basic information mastering capacity is improved, and the technical support is provided for improving the high-quality service levels of the companies.

The invention provides a distribution network equipment state monitoring and fault judging system, which comprises a switching station state monitoring subsystem and a ring main unit state monitoringsubsystem, and can conveniently monitor the equipment operation condition by monitoring and controlling the physical model characteristics of indoor equipment and main environment equipment. When a line fault occurs, the on-off state of equipment can be checked in time, and fault pre-judgment is carried out in advance; the state of the storage battery is monitored to prevent the storage battery from over-discharge or nature and the like; whether water exists at the top of the switch cabinet is monitored, whether rain leaks indoors is judged, and corresponding measures can be taken timely; meanwhile, an image recognition function can be added. Through acquisition of the above data, the data is sent to the cloud through wireless WIFI or a 4G network, and operation and maintenance personnel can check the data by logging in an APP. The switching station state monitoring subsystem is used for monitoring states of a switch cabinet, a direct current screen, a DTU, an air conditioner, a heaterand an indoor environment, and the ring main unit state monitoring subsystem is used for monitoring a ring main unit and the direct current screen.

The invention discloses a remote control system for resident power cut and power transmission. The remote control system is characterized by comprising a main station, substations, terminals, execution mechanisms and a hand-held control terminal serving as an assistant component, wherein the main station system is composed of a database server and a group of network workstations, the database server records the operation state of a controlled small breaker in a resident user electricity meter box, stores operation processes carried out on the small breaker, stores the mechanism and personnel information of a management department, and stores various parameters of a task dispatching module, the substations, the terminals and the hand-held control terminal. By remote or local control, the remote control system provided by the invention carries out cut-in / out control on the controlled small breaker in the resident user electricity meter box so as to remotely manage the operation of resident user power cut and power transmission.

The invention discloses a voltage loop alarm for metering devices of a transformer station. The alarm comprises an RS485 communication circuit, an alarm circuit, an SMS (Short Message Service) communication circuit, a power supply circuit and an LCD (Liquid Crystal Display). During use, RS485 communication interfaces of the measured metering devices, i.e., the measured electric energy meters, are connected in parallel and then connected with the RS485 communication circuit of the alarm, the alarm is communicated with the measured electric energy meters via an RS485 bus to obtain real-time voltage information of the metering devices, the LCD displays the voltage information of the different measured metering devices in a cyclical manner, the SMS communication module in the alarm can send abnormal voltage information in the short message form, and a CPU of the alarm is connected with a battery voltage monitoring chip to monitor power utilization states of a storage battery. The voltage loop alarm for the metering devices of the transformer station has the advantages that voltage abnormity of the metering devices can be timely judged, operation staff is timely notified of the voltage abnormity, the voltage abnormity can be timely handled, electric energy which is omitted in recording is decreased, and disputes in metering is also decreased.

The invention provides a travel information service and route guidance method. The method is characterized by comprising the following steps: firstly, establishing and setting a travel route, secondly, setting POI hot points according to the travel route, thirdly, establishing a POI point video real-time collection system, setting horizon points, setting a camera shooting structure, marking POI points, and setting coordinate figures, and fourthly, establishing a travel information service real-time database system. The method provides convenience for tourists, reduces the travel cost, saves time, and improves the travel efficiency.

An electric power business hall based on the Internet of Things comprises a sensing layer, a network layer, a platform layer and an application layer, the sensing layer is used for transmitting received external user information to the network layer, and the network layer is used for interacting with an external user and obtaining cloud data from the platform layer. Therefore, when the user handles the business, the cumbersome application of the paper material is avoided, and the business handling efficiency is improved. The electric power business hall adopts the guide robot as a terminal forthe user to answer the business questions, and can replace the original part of manual answering work. After the electric power business hall is accessed to the government cloud platform, the clientinformation is associated with the certificate information, and there is no need to prepare and carry many complex certificate materials. The electric power business hall is provided with a business hall information issuing terminal, an energy-saving scheme is pushed to a user, and unnecessary energy waste is avoided. The electric vehicle experience area of the electric power business hall responds to the call of national green travel, and new energy vehicles and new energy vehicle supporting facilities are popularized.

The invention provides a multifunctional power recovery vehicle. The multifunctional power recovery vehicle comprises a crank arm type bracket, a toolkit and a baggage carrier, which are arranged on a vehicle body, wherein the crank arm type bracket comprises a transverse base and a longitudinal support which is in rotary connection with the transverse base; a frame body is arranged at the periphery of the toolkit; the multifunctional power recovery vehicle further comprises an insulating ladder fixing frame with a special part and a lock body which is arranged on the end face of the outer side of the toolkit; the crank arm type bracket is connected with the insulating ladder fixing frame with the special part; the lock body comprises an outer frame; shaft holes are formed in relative positions at two side edges of the outer frame; a rotary shaft stretches into the shaft holes; the rotary shaft is connected and provided with a handle; the inner side of the handle is connected and provided with a spring buckle; a clamping groove is formed in the position, corresponding to the spring buckle, on the frame body. Furthermore, the power supply reliability and a high-quality service level of a distribution network are improved; doing rush repairs at night , getting assistance from a recovery commanding center and climbing to repair in high can be effectively realized; crank arm illumination and monitoring equipment can be automatically hoisted without obstacles; the multifunctional power recovery vehicle has the advantages of good locking safety, simple and easy operation, time saving and labor saving, safety and high efficiency.

The invention belongs to the technical field of distribution lines, and discloses a 10kV line single-phase broken line fault rapid handling method, which performs minute-level handling on a 10kV broken line grounding fault by extracting the characteristics of voltage, current, phase and the like monitored by a switch and fusing the related technologies of voltage time type feeder automation and differential relay protection. Fault abnormity analysis and identification, single-phase broken line fault positioning, single-phase broken line fault isolation and non-fault area power supply recovery are realized, the problems of forest fire, human body electric shock, equipment damage and the like caused by long-time existence of broken line faults are avoided, and the power supply safety and reliability are improved.

The invention discloses a search training platform and method for simulating a low-voltage leakage fault of a power distribution system. The platform comprises a three-phase four-line power supply, atest circuit and a remote control emitter, wherein an A power line, a B power line, a C power line and an N power line in the three-phase four-line power supply are all installed and fixed on a wall surface through installation supports, and a plurality of test lines are arranged on the three-phase four-line power supply; the test lines include electric equipment and remote switches, one end of each test line is connected with the A-phase power line, the B-phase power line or the C-phase power line, the other end of each test line is connected with one remote switch and then is connected withthe grounding line N, and the remote switch in each test line is provided with a corresponding number; and the remote control emitter is used for controlling on-off of the remote switches. The technical problems that an existing training method is poor in training effect and large in training implementation difficulty are solved, and the technical effects that through the platform and the method,the training effect can be improved, the training efficiency is improved, and training is easy to carry out are achieved.

The invention discloses a potable smart electric meter fault handling terminal. The potable smart electric meter fault handling terminal comprises a CPU, a keyboard, a memorizer, an IC card interface, a display screen, an SAM card interface, a printer and a wireless module. The keyboard and the output end of the IC card interface are respectively connected with the input end of the CPU in a one-way mode; the memorizer and the wireless module are connected with the CPU in a double-way mode; the input end of the display screen is connected with the output end of the CPU in a one-way mode; the wireless module is connected with a grid computer data platform in a double-way mode through a GPRS network and a PSTN or an ADSL; the output end of the SAM card interface is connected with the input end of the CPU in a one-way mode; the input end of the printer is connected with the output end of the CPU in a one-way mode. The potable smart electric meter fault handling terminal has the advantages of being small in size, low in weight, and suitable for a desktop as well as mobile application, and thoroughly solving the problems that electricity card failure can not be removed in the spot and a card is inserted in a meter to sell electricity in a movable mode in the spot.

The invention relates to a method for reducing a complaint rate of service quality based on a voice reply system, and belongs to the technical field of electric power services. The technical scheme is as follows: establishing an arrear blackout user database; automatically recording blackout repair user information of a single user, and judging whether the user is an arrear blackout user; if determining the single user suffering blackout is determined as the arrear blackout user, calling the arrear blackout user by the system; and after the system successfully calls the arrear blackout user, automatically playing recorded related voice to notify the arrear blackout user of the blackout reason in voice, and sending a short message, and then the work order is terminated. The method provided by the invention has the beneficial effects that an automatic arrear blackout voice reply system is established for the use of receipt personnel so as to improve the high-quality service level; and no manual reply is required, thereby relieving the labor intensity of the receipt personnel, improving the working efficiency and effectively reducing the generation of complaint work orders.

The invention provides a customer-oriented power supply service value evaluation method and system. The customer-oriented power supply service value evaluation method includes the following steps: constructing multiple customer perception indicators; constructing multiple social influence indicators; obtaining first data information corresponding to each customer perception indicator; obtaining information related to each The second data information corresponding to a social influence indicator; analyzing a plurality of the first data information and a plurality of the second data information according to a preset model. The customer-oriented power supply service value evaluation method and system provided by the present invention solidify the power supply service value evaluation system and working mechanism, establish an efficient monitoring and evaluation working mechanism, ensure service value evaluation and improvement work is efficient, accurate and timely, and realize the company's The value status of power supply service is known, the risk is controllable, and the trend is measurable.

The invention discloses a power customer internal fault repair service system, and the system comprises: a social electrician information registration module which is provided with a social electrician information registration link on a client WEB page of a social electrician resource platform; a social electrician information auditing module which audits the registered social electrician personalinformation: a social electrician information database, wherein the social electrician personal information enters the social electrician information database after the social electrician personal information passes the auditing; a social electrician state updating module which is used for setting a social electrician state updating list on a client WEB page of the social electrician resource platform and transmitting updating information to the background server; a social electrician retrieval module which is provided with a social electrician retrieval entrance on a client WEB page of the social electrician resource platform and is used for retrieving social electrician information; and a work order processing module which is used for sending a fault first-aid repair work order to the WEB page of the selected client of the social electrician. According to the invention, social electrician information can be quickly provided for users, and internal faults of electricity customers canbe conveniently and quickly processed.

The invention discloses a remote control system for resident power cut and power transmission. The remote control system is characterized by comprising a main station, substations, terminals, execution mechanisms and a hand-held control terminal serving as an assistant component, wherein the main station system is composed of a database server and a group of network workstations, the database server records the operation state of a controlled small breaker in a resident user electricity meter box, stores operation processes carried out on the small breaker, stores the mechanism and personnel information of a management department, and stores various parameters of a task dispatching module, the substations, the terminals and the hand-held control terminal. By remote or local control, the remote control system provided by the invention carries out cut-in / out control on the controlled small breaker in the resident user electricity meter box so as to remotely manage the operation of resident user power cut and power transmission.

The present invention discloses a three-phase load rotation phase modulation device. The device comprises an insulation sleeve and a rotor arranged in the insulation sleeve; the rotor comprises a cylindrical body; six metal sheets are respectively uniformly embedded at outer edges of the top surface and the bottom surface of the body along the circumference of the top surface of the body; the insulation sleeve comprises a hollow cylindrical vertical sleeve body, upper and lower ends of an inner bore of the sleeve body are both opened, and a bore wall of the lower end of the inner bore of the sleeve body towards a direction of a center line of the sleeve body is connected with a horizontally arranged annular plate; and the insulation sleeve is provided with two layers of elastic crimping conductive mechanisms which consist of an upper layer of an elastic crimping conductive mechanism arranged at the top end of the sleeve body and a lower layer of an elastic crimping conductive mechanismarranged at the bottom end of the sleeve body, wherein the upper layer of the elastic crimping conductive mechanism and the lower layer of the elastic crimping conductive mechanism are longitudinallysymmetrically arranged by taking a vertical middle section of the sleeve body as a plane of symmetry. The present invention further discloses an application of the three-phase load rotation phase modulation device in a power supply system. Through rotation of a rotor, phase modulation can be achieved with no need for shutdown of a whole distribution network.