47results about How to "Reduce outages" patented technology

The invention discloses a short message platform optimization system and method of a distribution network first-aid repair command platform. The short message platform optimization system comprises a distribution network first-aid repair command platform. The distribution network first-aid repair command platform obtains user information from an electric power marketing service application system, obtains data from a power utilization information collection system, obtains distribution network fault information from a distribution automation system, collects user repair reporting information from a 95598 system, and obtains geographical coordinate information from a power grid GIS system. All the obtained information is stored in a fault information list. Fields are extracted from the fault information list to generate a short message template database. When a real fault work sheet is received, an address fuzzy query means is adopted in the short message template database to extract corresponding contents, and a first-aid repair work sheet short message is generated. The distribution network first-aid repair command platform sends the first-aid repair work sheet short message to a mobile terminal of a first-aid repair team, and provides a first-aid repair result of the first-aid repair team to a mobile terminal of a user as feedback in real time.

The invention discloses a power distribution GIS model based distribution network ring network account book automatic generation method which comprises the following steps of acquiring distribution network line ring network account book information through a power distribution GIS model database, and generating a ring network account book of a distribution network line; acquiring a criterion of adistribution network ring network account book through a power distribution GIS model, and judging the generated distribution network line ring network account book; formulating an automatic updatingrule aiming at current account book data of the ring network account book; and updating data of a current ring network account book in real time according to the formulated automatic updating rule. Byadopting the technical scheme of the invention, a method that a person of a power supply station manually maintains the ring network account book data through a flow is omitted, the workload of the person of a basic-level power supply station is greatly lightened, and the efficiency of a worker of a power grid enterprise is improved.

Present invention discloses port status migrant method, it contains to preset at least one terminal as quickly migration attribute, when terminal role converted to pre-set terminal, if said terminal is quickly migration attribute then directly entering learning state then migrating to retransmission state.

The invention provides a method and system for quickly identifying power consumption abnormal behaviors. The system comprises the following modules: a power consumption difference trend analysis module which calculates power consumption difference trends based on a power consumption information big data analysis method, compares the similarity of the power consumption difference trends between different users and different periods, and deduces the probability of power consumption anomaly; a power utilization curve similarity analysis module which is used for establishing a power consumption quantity curve and a line loss curve of lines, users and transformer areas, calculating the form similarity of the power consumption quantity curve and the line loss curve, and calculating the similarity of various curves by using a shortest distance method; and a transformer area user information anomaly analysis module which is used for analyzing a transformer area power supply quantity, a power selling quantity and transformer area line loss by utilizing a big data technology, and calculating the probability of transformer area user information anomaly on the basis of parameters such as the transformer area maximum power supply radius and the transformer area linear distance. With the method and system adopted, the quick recognition of the abnormal power consumption behaviors can be realized, the abnormal probability of the user information in the transformer areas can be calculated, and the troubleshooting workload is reduced as much as possible, and a power failure range can be narrowed as much as possible.

The invention relates to the technical field of smart power grids, in particular to a district power guarantee and supply optimization system and method based on multivariate data fusion analysis, terminal equipment and a storage medium, and the method comprises the steps: obtaining various types of original data from a data platform, the original data including power load, meteorological data, historical operation data, equipment parameters, user load classification and fault work order data; fusing the multivariate data, extracting key features and carrying out deep analysis; performing prediction and classification based on the input data and the analysis result, and making a power supply optimization decision; the power supply state is monitored in real time, and feedback and adjustment suggestions are provided. According to the invention, intelligent scheduling and accurate optimization of transformer area power supply are realized, and the reliability of transformer area power supply is effectively improved.

The invention provides an optical fiber quality analysis method and device, electronic equipment and a storage medium. The method comprises the following steps: acquiring event data and historical fault maintenance data of the optical fiber; inputting the event data and the historical fault maintenance data into a machine learning model to obtain quality scoring information and fault early warninginformation of the optical fiber, the fault early warning information being at least used for indicating a fault position of the optical fiber, and wherein the quality scoring information is used forproviding a reference basis for optical fiber maintenance or not.

The invention discloses a station territory operation and maintenance support platform. By the station territory operation and maintenance support platform, full-station sampled value (SV) messages and generic object oriented substation event (GOOSE) messages are monitored in a station territory protection control device, the running state of a local device is judged accordingly, and meanwhile, the related function of adaptively inputting and withdrawing station territory protection is achieved according to an analysis result. In the station territory operation and maintenance support platform provided by the invention, full-station information sharing can be fully utilized, the analysis result is combined with the function configured through station territory protection, thus, the station territory protection device has high applicability, the workload of site operation and maintenance is greatly simplified, and moreover, the power supply reliability and the relay protection rapidness of a power system are guaranteed.

The invention relates to the technical field of Internet of Vehicles, in particular to a signal strength management system and method for remote control, and the system comprises: a signal strength monitoring and recording module which is used for detecting and recording the signal information of a vehicle-mounted terminal in real time; a signal intensity prediction module which is used for predicting the signal intensity change of the vehicle-mounted terminal according to the current position information of the vehicle, the driving route and the signal information recorded by the signal intensity monitoring and recording module to generate a signal intensity prediction result; and an early warning module which is used for carrying out early warning on the condition that the predicted signal strength is smaller than a preset value according to the signal strength prediction result of the signal strength prediction module. According to the signal intensity management system and method for remote control, signals of the vehicle-mounted terminal can be monitored, predicted and managed in real time, the possibility of remote signal transmission interruption is reduced, and managers canbe reminded to make preparations in advance.

The invention discloses an active power scheduling method for a power distribution network-level optical storage cluster. The optical storage cluster includes two or more of a group consisting of a photovoltaic power station, an energy storage device, a household optical storage device and a household uncontrollable photovoltaic device. The method includes the step of scheduling active power of each device in the optical storage cluster through an active power scheduling value delivered by a power distribution network. Moreover, the invention also discloses a power distribution network monitoring and control device adopting the method. According to the active power scheduling method for the power distribution network-level optical storage cluster, direct scheduling control is performed ondistributed devices such as photovoltaic and energy storage devices, the barrier of integrated dispatching of a photovoltaic power plant and an energy storage device in a traditional dispatching modeis broke through, and the load forecasting link is processed by a power grid scheduling center, so that the scheduling operation of the active power is more accurate and more reliable.

The invention provides a lightning arrester mounting base. The lightning arrester mounting base is characterized in that the lightning arrester mounting base comprises an upper installation plug, a lower installation plug, and upper and lower plug sockets for a lightning arrester; when the lightning arrester is installed on the lightning arrester mounting base, the upper installation plug is inserted into the upper plug socket and the lower installation plug is inserted into the lower plug socket; an upper end and a lower end of the lightning arrester are connected respectively to an upper copper bar and a lower copper bar through screws, wherein the upper copper bar is provided with a operating hole; the upper plug socket comprises an upper plug base, a locking spring and a clamping spring; and the lower plug socket comprises a spring compression plate, a spring buckling plate and a socket sleeve and is connected fixedly to an angle iron on the mounting base thereby forming a ground connection, wherein one end of the socket sleeve, one end of the spring compression plate and one end of the spring buckling plate are built up into a stack. An insulating bar is utilized in an assembly process and a disassembly process of the lightning arrester, thus the assembly process and the disassembly process of the lightning arrester have the characteristics of continuous power supply, no need of ascent, low labor intensity, high work efficiency and favorable power supply reliability. The lightning arrester mounting base has the advantages of concise structure, good workability, low cost and vast market prospect.

The invention discloses a real-time comprehensive fault rate calculation method and system for power distribution equipment, and the method comprises the steps: carrying out the statistics of fault factors of power distribution equipment in a to-be-evaluated region, and dividing the fault factors into two types: gradient fault factors and sudden fault factors according to the intensity of the impact on the fault rate of the power distribution equipment from the fault factors; calculating the fault rate lambda'of the power distribution equipment under the influence of the gradient fault factoraccording to the online monitored operation and maintenance data of the power distribution equipment to be evaluated and the synergistic effect between different gradient fault factors; calculating the sudden potential fault rate lambda ''of the power distribution equipment according to the real-time intensity, the equipment level and the grid structure level of the sudden fault factor of the environment where the to-be-evaluated power distribution equipment is located; and calculating the real-time comprehensive fault rate lambda re = lambda '+ lambda' 'of the to-be-evaluated power distribution equipment. According to the method, the influence of equipment operation risks, the intensity of sudden fault factors and equipment and grid structure levels on the potential fault rate is considered, and the real fault rate of the equipment can be reflected more accurately.

The invention discloses a live binding tool, and relates to the technical field of power maintenance, the live binding tool comprises an insulating operating rod, a connecting column, a binding unit, a locking unit and a binding plate, the connecting column is installed at one end of the insulating operating rod and is used for controlling the binding unit and the locking unit; the binding unit is installed on a binding plate and used for fixing the binding plate to a porcelain bottle. And the locking unit is mounted on the binding plate and is used for fixing the wire on the porcelain bottle. Binding operation can be carried out under the condition that a power source is not cut off, the situations that power supply continuity is affected, inconvenience is brought to a user, and economic losses are caused are avoided, and the operation efficiency is greatly improved.

The invention discloses an expandable power distribution network grid structure with high power supply reliability, and relates to the technical field of power distribution networks, the expandable power distribution network grid structure comprises a simple windmill type networking structure, and the simple windmill type networking structure comprises a three-station three-group single-ring network structure and a four-station four-group single-ring network structure. The power supply reliability is remarkably improved, power failure events caused by power grid faults are reduced, the expansibility of the grid structure enables the power grid to flexibly adapt to future load increase and power supply changes, diversified application scenes and investment level selection can meet the requirements and budgets of different users, and the power grid structure is suitable for popularization and application. The design of the grid structure considers the environmental adaptability, the influence of reasonable distribution on the geographical environment and space resources, the modernization and intellectualization development of the power distribution network is promoted, and a foundation is laid for the construction of a digital and intelligent power system.

The invention provides an electric power communication cable threading tool comprising a wire fixing device which comprises an inner sleeve and an outer sleeve, wherein the outer sleeve is arranged atthe end of a cable, and the inner sleeve is in threaded connection with the interior of the outer sleeve; a threading module which comprises a retaining ring arranged on the side face of the outer sleeve, wherein the retaining ring is connected with a steel rope, and the steel rope is connected with a bending device. According to the invention, the power communication cable threading tool greatlyreduces power communication interruption events caused by communication cable quality problems, further guarantees safe and reliable operation power communication of a power grid, is small in productsize and convenient to carry, and is provided with a bending device to adapt to different wiring environments according to the characteristic that a corner exists in the wiring process. The design ofthe power communication cable threading tool can be suitable for various different cables, including common optical fibers, network cables, 2M coaxial cables and the like.

The invention relates to the related technical field of power grids, in particular to a continuous abnormal weather power grid monitoring method, electronic equipment and a storage medium. The method comprises the following steps: acquiring weather data; wherein the weather data comprises ocean thermal anomaly data, underlying surface anomaly data and ocean-land-atmosphere interaction data; based on a preset weather analysis module, analysis is carried out to obtain an analysis result, and the weather analysis module comprises an ocean thermal anomaly analysis sub-module, an underlying surface forced analysis sub-module and an ocean-land-atmosphere interaction analysis sub-module; obtaining power grid operation data; and performing analysis based on a preset power grid influence analysis module to obtain a result. Wherein the power grid influence analysis module comprises a line influence analysis sub-module, an equipment influence analysis sub-module and a load influence analysis sub-module; and according to a preset rule, generating an early warning and coping strategy based on the influence of the continuous abnormal weather on the power transmission line, the equipment and the load.

The invention provides a chip packaging method with electromagnetic shielding function, comprising the following steps: preparing a heat sink with insulating bumps, and bonding metal pins on the insulating bumps; bonding a chip module on the heat sink with The side of the insulating bump; use the wire harness to electrically connect the pins of the chip module and the metal pins on the insulating bump; solder the shielding shell to the end of the insulating bump away from the heat sink, and plastic-encapsulate the shield shell and the heat sink to obtain Chip finished product. The invention is used to improve the production and preparation process in the chip manufacturing process, so that the chip can have the electromagnetic shielding function, thereby improving the product performance, and reducing the equipment can not work normally or malfunction caused by electromagnetic interference during the working process of the chip. Case.

The invention discloses a control method of a power grid running way. The control method comprises the following steps: S01, importing a model into a pattern generating module; S02, generating a matched pattern according to the model through the pattern generating module; S03, generating power grid computation data with dynamic data, the model and the pattern matched with the model according to a set running way through a computation module; S04, storing the power grid computation data in a version management module. The dynamic data, the model and the pattern matched with the model are computed through the computation module, and are stored in the version management module for management, so that the aims of centralized management, automatic computation function and interactive sharing of a computation analysis result are fulfilled, the manual computation working mode of the power grid running way is changed, the power supply reliability is ensured, and the situation of power failure is reduced.

The present invention relates to the field of power grid technology, and specifically to a method and system for coordinated planning of power grid sources, grids, loads and storages taking into account multiple types of energy storage, including: obtaining future load data of the power grid using a preset load forecasting model based on historical load data of the power grid; obtaining future energy supply data using a preset energy forecasting algorithm; obtaining future multiple types of energy storage data using a preset multiple types of energy storage forecasting algorithm; and using the future load data of the power grid, the future energy supply data and the future multiple types of energy storage data to coordinate planning based on the goal of maximizing load satisfaction. The present invention can better cope with load fluctuations and uncertainties in energy supply by making multi-faceted predictions on the energy side, the load side and the energy storage side, and making coordinated planning based on the prediction results. It ensures that the electricity demand of users can be met in all situations, reduces power outages, and promotes the development of clean energy.

The present invention provides a power communication cable threading tool, including a wire fixing device, including an inner sleeve and an outer sleeve, the outer sleeve is arranged at the end of the cable, and the inner sleeve is screwed inside the outer sleeve and, the threading module includes a buckle arranged on the side of the outer sleeve, the buckle is connected with a steel rope, and the steel rope is connected with a bender; greatly reducing the power generated by the communication cable quality problem The communication interruption event further ensures the safe and reliable operation of the power grid. The product is small in size and easy to carry. According to the characteristics of corners in the wiring process, the power communication cable threading tool is equipped with a bender to adapt to different wiring environments. Power communication The design of the cable threading tool can be used for a variety of different cables, including common optical fibers, network cables, 2M coaxial cables, etc.

The invention relates to a high-voltage and low-voltage distribution system, in particular to an intelligent electric power distribution system. The intelligent electric power distribution system at least comprises a high-voltage monitoring unit (2) which is fixed on a high-voltage cabinet (1), a direct current screen monitoring unit (4) which is fixed on a direct current screen (3), a low-voltage cabinet equipment monitoring unit (6) which is fixed on a low-voltage cabinet (5), and a transformer monitoring unit (8) which is fixed on a transformer (7), wherein the high-voltage monitoring unit (2), the direct current screen monitoring unit (4), the low-voltage cabinet equipment monitoring unit (6) and the transformer monitoring unit (8) are respectively and electrically connected with a main control unit (10) through a network (9). The high-voltage and low-voltage distribution system has the advantages of convenience for operation and lower price, so that the intellectualization rate of a high-voltage and low-voltage switch cabinet is comprehensively improved.

The invention discloses a station territory operation and maintenance support platform. By the station territory operation and maintenance support platform, full-station sampled value (SV) messages and generic object oriented substation event (GOOSE) messages are monitored in a station territory protection control device, the running state of a local device is judged accordingly, and meanwhile, the related function of adaptively inputting and withdrawing station territory protection is achieved according to an analysis result. In the station territory operation and maintenance support platform provided by the invention, full-station information sharing can be fully utilized, the analysis result is combined with the function configured through station territory protection, thus, the station territory protection device has high applicability, the workload of site operation and maintenance is greatly simplified, and moreover, the power supply reliability and the relay protection rapidness of a power system are guaranteed.

Present invention discloses port status migrant method, it contains to preset at least one terminal as quickly migration attribute, when terminal role converted to pre-set terminal, if said terminal is quickly migration attribute then directly entering learning state then migrating to retransmission state.

The invention provides a manipulator device for workpiece moving and a using method, and belongs to the field of manipulators. The manipulator device comprises a driving mechanism and an emergency stop switch arranged on one side of the driving mechanism, a connecting mechanism is arranged on the driving mechanism, a protection box is arranged on one side of the connecting mechanism, a plurality of suction cup mechanisms are arranged on the protection box, and an adjusting trigger mechanism is arranged in the protection box. Third springs are arranged in the suction cup mechanisms, the third springs can support supporting pipes and rubber suction cups through check rings, so that the rubber suction cups in the multiple suction cup mechanisms are located on the same plane, and when the suction cup mechanisms make contact with a workpiece with the uneven top, the protection box continues to be driven by the driving mechanism to move downwards, at the moment, the heights of the bottom ends of the multiple suction cup mechanisms can change along with the actual situation of the top of the workpiece, so that part of the suction cup mechanisms can make contact with the concave position of the workpiece, the number of the suction cup mechanisms making contact with the workpiece can be increased, and then the workpiece adsorption strength is improved.

The invention discloses a pluggable lightning arrester, which comprises an upper plug and a lower plug which are arranged at the two ends of the lightning arrester, wherein the upper plug and the lower plug of the two ends are inserted and fixed in an upper-end and a lower-end sockets on a mounting frame when the arrester is installed, the mounting frame comprises two bending sections, the lower-end socket is installed at the end part of the lower section of the mounting frame, an insulator is installed at the upper section of the mounting frame, and the upper-end socket is installed at the end part of the insulator; and the mounting frame, the insulator and the lightning arrester form a closed quadrilateral structure. The arrester is convenient to install and dismantle, the arrester preventive test is carried out every year without cutting the power of users, no pole climbing with high level is needed, so the labor intensity and unsafe factors of workers are reduced, and the working safety is improved.

The present application belongs to the technical field of high temperature gas cooled reactor nuclear island instrument control equipment operation and maintenance, and particularly relates to a high temperature gas cooled reactor nuclear island instrument control equipment overhaul cycle formulation method. The method comprises the following steps: step 1: nuclear island instrument control equipment importance classification; step 2: equipment reliability rating; before the first operation of the unit, the equipment quality reliability rating is performed according to the continuous operation time of 98% of the qualified rate before instrument calibration adjustment and the annual average number of faults; step 3: equipment overhaul cycle formulation; and step 4: equipment overhaul cycle dynamic adjustment strategy. The present application has the beneficial effect of reducing the frequency of shutdown, and in the entire operation cycle, the planned shutdown time + unplanned shutdown time can be directly reduced, and the annual average power generation or gas supply of the unit is greatly improved.

The invention discloses a low-current line selection device with a function of perfecting resonance overvoltage tripping logic, and the device comprises a power module, a signal collection module, a data processing module, a logic judgment and line selection module, a communication module, a human-computer interaction interface, and an early warning and tripping processing module. The signal acquisition module comprises a zero-sequence voltage acquisition unit, a zero-sequence current acquisition unit and a phase voltage acquisition unit, a line selection algorithm is built in the data processing module and the logic judgment and line selection module, and a voltage amplitude detection algorithm and a frequency analysis algorithm are built in the early warning and tripping processing module and have a frequent instantaneous grounding fault line tripping processing function. High-sensitivity acquisition and effective identification of the resonance overvoltage can be realized by accessing a phase voltage signal of a power distribution network system, and the resonance overvoltage is eliminated through frequent instantaneous grounding fault line tripping protection action aiming at a fault line in which the resonance overvoltage is detected. And the probability of converting a frequent instantaneous grounding fault into a permanent grounding fault is reduced.

The invention discloses a method for predicating the maximum load of feeder lines of a distribution transformer, relates to the technical field of electric power, and aims to solve the technical problem that the future maximum load value of the distribution transformer cannot be accurately predicted. The method includes the steps as follows: firstly, historical load values of each feeder line in the year before a predicting day are acquired; then, an average load value of each feeder line at each sampling time of a sampling day is calculated on the basis of the historical load values; the maximum demand of daily declaration electricity is predicted on the basis of the calculated average load value and the historical maximum demand of daily declaration electricity, and the maximum prediction load value of the distribution transformer at each predicting time in the predicting day is calculated; the maximum value is chosen from the maximum prediction load values at each predicting time in the predicting day and taken as the maximum prediction load value of the distribution transformer in the predicting day; and the predicting time corresponding to the maximum prediction load value of the distribution transformer in the predicting day is taken as a time interval with the maximum load value of the distribution transformer in the predicting day. With the adoption of the method provided by the invention, investment waste of the volume of the feeder lines of the distribution transformer can be effectively avoided.

The invention relates to the technical field of switch cabinets, in particular to an overheating protection device for a switch cabinet. The conventional switch cabinet has the disadvantages that theoverheat protection is insufficient when the cabinet is used, and that the temperature change state of the internal components cannot be effectively analyzed during the using. The invention provides the following technical scheme: the device comprises a switch cabinet body; an electrical appliance mounting plate arranged in the vertical direction is mounted inside the switch cabinet body; one sideof the electrical appliance mounting plate is provided with U-shaped supports, which are arranged equidistantly in the vertical direction; and division plates are vertically mounted between the adjacent supports. According to the overheating protection device for the switch cabinet, the device is simple in structure, convenient and fast to operate. On the one hand, the device can effectively monitor the temperature change of the electrical appliances in the switch cabinet during the operation, thereby providing a data basis for the performance analysis of the switch cabinet, and providing a theoretical basis for the subsequent upgrade and the improvement of the switch cabinet. On the other hand, the device can effectively and quickly reduce the temperature of the electrical appliances inside the switch cabinet and the occurrences of the power failure of the switch cabinet, thereby reducing the loss caused by the power failure.