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27results about How to "Avoid power outages" patented technology

Wire clamp installation tool and wiring method

PendingCN121863148Aavoid power outagesGuaranteed continuous productionClip conductor connectionControl engineeringElectric machinery
The invention relates to the technical field of wiring devices, and particularly discloses a wire clamp installation tool and a wiring method.The wire clamp installation tool comprises a movable support slidably arranged at the top of a bottom plate and a movable plate fixedly arranged on the inner side of the movable support, and installation mechanisms arranged at intervals are arranged on the side wall of the movable support; wiring can be completed through the limiting support, the mounting mechanism and the like without cutting off a line power supply. Therefore, user power failure caused by construction is avoided, continuous production of medium and large-sized enterprises with extremely strong dependence on electric power is guaranteed, economic loss is reduced, high requirements of social production on continuous power supply are directly responded, a series of actions such as lead fixing, nut tightening and wire clamp clamping are automatically completed through automatic identification and positioning of the camera and driving of the motor, and the production efficiency is improved. The original tedious process depending on manual multi-step operation is integrated into a coherent automatic process. Therefore, the efficiency of single operation is greatly improved.
Owner:SUZHOU ARGUS INTELLIGENT TECH CO LTD

A rotary LED lamp

ActiveCN224414944Uto be interestingAdd funDrive motorLED lamp
The utility model relates to LED lamp technical field discloses a rotary LED lamp, including base, the top rotation of base is connected with vertical shaft, and the inner wall of base is seted up with the mounting groove, and the inside coaxial fixed mounting of mounting groove has the drive motor for driving vertical shaft rotation, and the top fixed mounting of vertical shaft has the lamp stand, and the continuous conductive component is arranged between the lamp stand and base. This rotary LED lamp, the pattern sticker of color light transmission through the light -transmitting window surface irradiates on the wall, drives vertical shaft and the lamp stand rotation using drive motor, makes the light color change constantly, plays the interesting purpose, and through setting transmission adjusting component, utilizes the pole lever to move transmission rod upwards, makes second transmission gear and internal tooth ring engage, can drive cover seat and lampshade synchronous rotation, makes the pattern sticker of light -transmitting window surface rotate along, thereby the pattern that irradiates on the wall also changes, further improved the interesting of lamp.
Owner:ANHUI XINXIN SEMICON TECH CO LTD

Earphone charging electrode structure

The utility model discloses an earphone charging electrode structure, which comprises a charging electrode arranged at the lower end of a shell, the charging electrode is electrically connected with a circuit board arranged in the shell, and the lower end of the shell is provided with a counter bore; a terminal is welded and fixed to the lower end of the circuit board, elastic contact arms of the terminal are exposed on the two sides of the counter bore, the section of the charging electrode is in an inverted-T shape matched with the counter bore, the charging electrode penetrates through the counter bore and is fastened in an interference fit mode, and the end of the charging electrode further abuts against the elastic contact arms to make elastic contact with the elastic contact arms. And the charging electrode is electrically conducted with the circuit board. According to the utility model, the charging electrode is inserted into the counter bore at the lower end of the shell and is fastened through interference fit, the contact area between the charging electrode and the counter bore is large, the assembly structure is extremely stable, and the gap between the charging electrode and the counter bore is extremely small or zero, so that the waterproof effect is good, the assembly structure is simple, and the operation is simple. In addition, the circuit board is in elastic contact with the charging electrode through the terminal fixed by self welding, and the conductive connection is stable.
Owner:DONGGUAN HELE ELECTRONICS

A power grid intelligent dispatching system and method based on digital twinning and deep learning

ActiveCN121036317BDiscover potential faults promptlyavoid power outagesData processing applicationsContigency dealing ac circuit arrangementsPower gridEngineering
The application discloses a kind of power grid intelligent scheduling system and method based on digital twinning and deep learning, it is related to power grid intelligent scheduling technical field, a kind of power grid intelligent scheduling method based on digital twinning and deep learning, specific steps include: step one, by fusing multi-source heterogeneous data and dynamic parameter updating mechanism, construct and physical power grid synchronous mapping power grid digital twinning, step two, adopt federal learning framework aggregation multi-area power grid data, establish equipment degradation model, perfect priority data channel mechanism, step three, based on power grid digital twinning determines real-time power grid state and equipment risk coefficient, designs deep reinforcement learning dynamic decision-making framework, realizes the load scheduling optimization of multi-objective cooperation, the application is based on power grid digital twinning determines real-time power grid state and equipment risk coefficient, designs deep reinforcement learning dynamic decision-making framework, can realize the load scheduling optimization of multi-objective cooperation.
Owner:GUANGDONG POWER GRID CO LTD

An in-built flexible temperature measurement system for monitoring body temperature of a human

PendingCN122581700Aavoid power outagesincrease flexibility
This invention discloses an embedded flexible temperature measurement system for monitoring human body temperature, including an in vivo temperature measurement system and a terminal. The in vivo temperature measurement system is implanted in the human body and includes a temperature acquisition module, a battery module, a communication module, and a micro-energy harvesting module. The battery provides electrical energy, the micro-energy harvesting module detects the remaining power of the battery module, and the output terminals of the micro-energy harvesting module and the temperature acquisition module are connected to the terminal via the communication module. This system can avoid frequent surgery to replace the battery.
Owner:XI AN JIAOTONG UNIV

Low-voltage distribution area electric leakage fault positioning and early warning method and product based on edge computing

PendingCN122506428Alower latencyquick response
The application discloses a low-voltage distribution area electric leakage fault positioning and early warning method and product based on edge calculation, and relates to the technical field of area operation and maintenance.The application deploys a data collection unit integrated with an edge calculation module on the low-voltage side of a transformer, supports data analysis and processing at the edge, effectively reduces delay to improve response, deploys corresponding branch detection units on each branch line, deploys corresponding intelligent circuit breakers on each user meter, and through multi-point synchronous sampling and analysis, can position electric leakage faults to specific user meter boxes.The application constructs a tree topology of the entire area and real-time monitors the total residual current of the area, through the cooperation of setting early warning conditions and early warning pre-judgment, effectively realizes early warning while reducing false signal false positives.
Owner:ANHUI ZENITH ELECTRICITY & ELECTRONICS

Radar bicycle light

The utility model relates to radar lamp technical field, concretely is a kind of radar vehicle lamp for bicycle.The utility model, including radar lamp body and seat pole, the lower surface of radar lamp body is equipped with dismounting device, the dismounting device includes placement bin, the lower surface of radar lamp body is slidably connected with the placement bin, the side fixedly connected with connector of placement bin, the connector is fixedly connected with the arc surface of seat pole, two drive rods are inserted with screw thread in the placement bin.Solve the power shortage or damage after long time use of radar lamp body, staff has to separate quickly the radar lamp body and seat pole to facilitate the charging or maintenance of radar lamp body, and the fixation between radar lamp body and seat pole is often too cumbersome, lead to staff to have to spend a lot of time and find suitable tool and separate radar lamp body and seat pole, to increase the problem of staff work burden invisibly.
Owner:DONGGUAN PAN-INT PRECISION ELECTRONICS CO LTD

A display panel burn-in test device

ActiveCN224594753UFull range of rotationEliminate contact gaps
The utility model discloses a display screen ageing test device, including support frame, the top fixedly connected with support plate of support frame, the central position of support plate is installed with top tray, the top tray mesa upper side position all installs the assembly seat no.
Owner:ZHEJIANG SHUNXI COMMODITY TESTING TECH CO LTD

Power test circuit, power utilization module, controller and power utilization system

ActiveCN224203326UImprove adaptation flexibilityProtect the loadElectrical testingCurrent rangeHemt circuits
The utility model relates to the technical field of direct-current power supply application, in particular to a power test circuit, a power utilization module using the same, a controller and a power utilization system. The power test circuit comprises a power supply circuit, a control circuit and a switch circuit. The power supply circuit provides electric energy for the control circuit and the switching circuit; the control circuit judges the available power of the external direct-current power supply by detecting parameters such as no-load voltage and current and voltage during load operation; when it is detected that the load power requirement exceeds the power supply power, the control circuit sends an adjusting signal to the switching circuit, and the switching circuit reduces the output power or controls on-off according to the adjusting signal, so that it is guaranteed that the external direct-current power supply works continuously and stably, and overload damage is avoided. According to the circuit, the load can still obtain moderate power supply in a certain voltage and current range under the condition of insufficient power supply power, the external power supply is protected, the compatibility of electric equipment is improved, and the circuit has the advantages of being simple in structure, low in cost, diversified in application scene and the like.
Owner:SHENZHEN YUANFENG KUNTAI TECHNOLOGY CO LTD

Tail-rotating insertion pin for hairdressing device

ActiveCN224217806UPrevent pulling outKeep it mobileCoupling device detailsScrew threadPhysics
The utility model discloses a tail-rotating plug pin for a hairdressing device, particularly relates to the technical field of tail-rotating plugs, and comprises a mounting block, a connecting ring is arranged at the bottom of the mounting block, a lifting rod is arranged at the top end in the mounting block in a penetrating manner, and a plurality of moving blocks are arranged on the side wall, close to the bottom end, of the mounting block in a penetrating manner; one side of the top of the mounting block is rotationally connected with an inclined pipe; the outer wall, close to the top, of the mounting block is in threaded connection with a threaded ring; the bottom end of the lifting rod is fixedly connected with a moving disc, and the top of the moving disc is fixedly connected with an extrusion spring around the outer wall of the lifting rod. The top of the end, close to the interior of the mounting block, of the moving block is rotationally connected with a connecting rod. The bottom of the moving disc is rotationally connected with the connecting rod. And an extension rod is arranged at the center of the bottom of the connecting ring, and a cable penetrates through one side of the interior of the mounting block. The plug has the advantages that the plug can be conveniently rotated and clamped to avoid pulling and falling off, the clamping is conveniently released, and the plug is convenient to plug and unplug.
Owner:CIXI YINTUO ELECTRONICS CO LTD

Method for inspecting tree felling on plane cross-section diagram

PendingCN121961985ARealize refined management and controlQuick preliminary investigationImage analysisDesign optimisation/simulationStructural engineeringControl theory
The invention discloses a method for inspecting tree felling on a plane cross-section diagram, and relates to the technical field of intelligent operation, maintenance and design of high-voltage transmission lines. A traditional tree verification method adopts static measurement, does not consider dynamic factors such as wire windage yaw swing and tree growth, and has the problems of safety margin distortion and poor terrain adaptability. According to the method, a four-layer progressive verification system of main line-side line-special terrain-sporadic tree is adopted, wherein the main line adopts a self-defined tree cutting line to carry out static rapid screening; performing dynamic collision verification on the left and right side lines by establishing a terrain triangular model and inputting a windage yaw safety height; carrying out intelligent addition and verification on dangerous points outside the special terrain; and the sporadic tall trees are directly verified according to the actually measured heights. The conversion from passive operation and maintenance to active design prevention is realized, and the single-span analysis time is greatly shortened; based on two-dimensional drawing operation, the cost is low, the felling range is accurately delimited through dynamic and static combined verification, and the safety and environmental protection requirements are effectively balanced.
Owner:ZHEJIANG ELECTRIC TRANSMISSION & TRANSFORMATION ENG CO +1

High-voltage transmission line stabilizing mechanism

The utility model relates to the technical field of power transmission lines, in particular to a high-voltage power transmission line stabilizing mechanism. According to the technical scheme, the device comprises fastening rings and a wire rod connecting mechanism arranged on one sides of the fastening rings, the wire rod connecting mechanism comprises rotating plates rotationally connected to one sides of the outer walls of the two fastening rings, rotating arms are rotationally connected to the ends, away from the fastening rings, of the rotating plates, and a plurality of clamping teeth are fixedly connected to the inner walls of the fastening rings. The ends, away from the rotating plates, of the rotating arms are rotationally connected with supporting frames, and one sides of the supporting frames are fixedly connected with main body frame plates. The high-voltage power transmission line stabilizing mechanism can prevent the root of the power transmission line and a telegraph pole from being broken and the power transmission line from falling off in external windy and rainy days, and can prevent the situation that power failure is caused by short circuit due to the fact that the power transmission line is in lap joint due to external force, so that the stability of the power transmission line is improved. And the stable operation function of the power transmission line is protected.
Owner:HUAZHIYUAN IND CO LTD

Multi-frequency adjustable pulsed magnetic field stimulator

The utility model relates to the technical field of medical instruments, and discloses a multi-frequency adjustable pulsed magnetic field stimulator, which comprises a magnetic therapy instrument main body, a magnetic therapy cap is arranged on one side of the magnetic therapy instrument main body, a connecting wire is arranged at the top of the magnetic therapy cap, a connector is fixedly arranged at the end part of the connecting wire, and a display screen is arranged at the top of the magnetic therapy instrument main body. A groove is formed in the front side of the magnetic therapy instrument body, a rectangular groove is formed in an inner cavity of the groove, a plurality of plugs are fixedly installed in the inner cavity of the groove, wire bunching assemblies are arranged on the peripheries of the plugs, and an L-shaped groove is formed in one side of the inner cavity of the groove. According to the magnetic therapy cap, the periphery of a connector can be bound through an arc-shaped clamping plate under the cooperative use of a telescopic rod A and a spring A, the stability of the connector inserted into the periphery of a plug can be improved, then the situation of power failure during use of the magnetic therapy cap can be prevented, and the treatment effect of the device is improved.
Owner:SICHUAN JUNJIAN WANFENG MEDICAL EQUIP CO LTD

Intelligent collaborative source-grid-load-storage operation management system

This invention discloses an intelligent collaborative power generation, grid, load, and energy storage operation and management system, belonging to the field of power generation, grid, load, and energy storage management technology. It involves numbering and collecting information from power stations within a monitoring area, dividing the monitoring time period into time segments, analyzing the power supply volume of power stations within each time segment to predict the relationship between the power supply capacity and demand of each power station, establishing a power dispatch circle centered on the power station, analyzing the overall support capacity of the power dispatch circle for power stations with insufficient power supply capacity, issuing power shortage warnings based on trigger conditions, analyzing the overall status of power stations within the power dispatch circle when the power dispatch circle provides sufficient support, considering the number of power stations with insufficient power supply capacity, and providing suggestions for establishing new power stations, and providing energy storage locations and new power station construction locations when it is determined that the power dispatch circle needs to establish new power stations. This invention efficiently utilizes existing power resources through real-time analysis of supply and demand matching and support dispatch.
Owner:GUANGZHOU JIANXIN TECHNOLOGY CO LTD

Modularized box-type transformer substation based on drawer cabinet

The utility model relates to a modularized box transformer substation based on a drawer cabinet for a circuit system. The modularized box transformer substation based on the drawer cabinet is convenient to disassemble and assemble, convenient to detect and maintain, high in adaptability and intelligent in operation and maintenance. The utility model relates to a modularized box transformer substation based on a drawer cabinet, which comprises a high-voltage cabinet, a low-voltage cabinet, a transformation cabinet and a base, and is characterized in that a high-voltage module for controlling a high-voltage circuit is arranged in the high-voltage cabinet; a low-voltage module for controlling a low-voltage circuit is arranged in the low-voltage cabinet; the high-voltage cabinet and the low-voltage cabinet are both arranged on the base, the transformation cabinet is detachably connected to the high-voltage cabinet and the low-voltage cabinet, the high-voltage module is electrically connected with the transformer, and the transformer is electrically connected with the low-voltage module.
Owner:NEI MENG GU SHUANG JIE SAI DOU DIAN QI YOU XIAN GONG SI

A high-voltage alternating current charging range extender electric boat power system and control method

The application belongs to the technical field of ship power systems, and particularly relates to a high-voltage alternating current charging range extender electric ship power system and a control method. The system comprises a lithium battery module, a direct current distribution module, an alternating current distribution module, a high-voltage alternating current charging module, a low-voltage shore power box, a propulsion module, a daily load and an EMS system. The application provides a high-voltage alternating current charging range extender electric ship power system and a control method, realizes multi-mode charging, reduces the cost of equipment and wharf construction, can adapt to high-voltage shore power and low-voltage shore power, has high system integration and efficient control.
Owner:FUJIAN FUSHUN OCEAN ENG TECH RES INST CO LTD

Storage battery mobile power supply capable of being modularly spliced

The utility model relates to the technical field of storage battery mobile power supplies, and discloses a storage battery mobile power supply capable of being modularly spliced, which comprises a charging and discharging module, a modular storage battery module I, a modular storage battery module II, a closed circuit connection module and an internal assembly consisting of a power supply connection module, a storage battery block and a data communication connection module, a first modularized storage battery module is arranged on the side wall of the charging and discharging module, an internal assembly is arranged in the first modularized storage battery module, a second modularized storage battery module is arranged on the side, away from the charging and discharging module, of the first modularized storage battery module, and the second modularized storage battery module and the first modularized storage battery module are consistent in internal and external overall structure. And a closed-circuit connection module is arranged on one side, deviating from the modularized storage battery module I, of the modularized storage battery module II. According to the storage battery mobile power supply, the number of the modularized storage battery modules in the storage battery mobile power supply can be freely adjusted, so that flexible power utilization requirements are ensured, and the use scene and the use effect of the whole power supply are improved.
Owner:DONGGUAN DIANXIAOCHAO INTELLIGENT TECH CO LTD

A piezoelectric ceramic sheet polarization device

The utility model relates to a piezoelectric ceramic sheet polarization device. This piezoelectric ceramic sheet polarization device adopts the special-shaped mounting hole of gourd shape structure, the metal sleeve of conductive spring needle is fixed in the big circle hole according to the interference fit mode, the resistance negative pole pin is fixed in the small circle hole according to the interference fit mode, solves the problem that the high temperature environment easily makes the welding point melt and forms the false welding or the welding separation, causes the sleeve of resistance negative pole pin and spring needle to separate contact or contact badly, thereby leads to the piezoelectric ceramic sheet in the polarization process not normal electrification, influences the electric performance parameter of piezoelectric ceramic sheet product, produces the substandard product, waste product, in order to avoid above situation, must often utilize the instrument (such as multimeter) to detect the electrification situation of each resistance on the clamp one by one, not only the labor intensity is big, the efficiency is low, and still easy to miss, in addition, if the welding point melts and forms the false welding, even if utilizing the instrument also has difficult to find etc.
Owner:CHINA ZHENHUA GRP XINYUN ELECTRONICS COMP ANDDEV CO LTD

Transformer operation state self-diagnosis method and system

The invention discloses a transformer operation state self-diagnosis method and system, and relates to the technical field of state diagnosis, and the method comprises the following steps: obtaining and analyzing related data in a working state according to a test condition, judging the state of a primary side circuit element according to primary side data and an RLC circuit step response time constant formula, and carrying out the self-diagnosis of the operation state of a transformer. And calculating the voltage stability according to the secondary side data, calculating the delay duration of the tap switch and the damage degree of the tap switch according to the primary side data, dividing and outputting state levels, and predicting a first fault time point according to the delay duration and a preset delay duration. By predicting the first fault time point, predictive maintenance is realized, power failure accidents caused by sudden faults are avoided, various data of the primary side and the secondary side are integrated, specific analysis of a circuit model and key parts is combined, a multi-dimensional and systematic diagnosis system is formed, and comprehensive, intelligent and refined management of the operation state of the transformer is realized.
Owner:江苏威科变压器有限公司

Electronic lock

The utility model discloses an electronic lock which comprises a lock body, and a socket assembly and a battery box are arranged on the lock body. The battery box is inserted into the socket assembly through a side hole in the side face of the lock body. The socket assembly comprises a mounting base with one end of an open structure, and the battery box penetrates through the lock body and then is located in the mounting base. The battery box comprises a shell, a plug pin is further arranged on the shell, and the plug pin is connected with the rebounding device on the mounting base in a matched mode; the socket assembly further comprises a circuit board fixed on the mounting seat, and the battery box can be inserted into the lock body from the side surface of the lock body, so that on one hand, the battery box can be integrally separated from the lock body, and a user can conveniently replace a battery in the battery box or directly charge the battery in the battery box; the battery box is installed on the side face of the lock body, so that after the door body is closed, the battery box is located in the door body; after the door body is closed, the battery box is located in the door body, and even if the door body shakes violently, the battery box cannot be separated from the lock body.
Owner:WENZHOU HAOLI LOCK CO LTD

Multi-functional matching ceiling lamp

ActiveCN224607528Uavoid looking directlyUniform light receiving
The utility model provides a kind of multifunctional matching ceiling lamp, it is related to lamp technical field, including upper projection lamp group, upper projection lamp group includes hanging rope, the lower end of hanging rope is connected with connecting block, connecting block fixed annular lamp pearl plate, annular lamp pearl plate center is inclined to form installation slope to all around below, several lamp pearls are evenly distributed on installation slope, the outer periphery of annular lamp pearl plate is provided with first lamp shade, first lamp shade is annular, its inner ring is extended to outer ring by going up and out, forms light guide structure.The utility model has the beneficial effects of, set first lamp shade can stop lamp pearl below, avoid person direct sight lamp pearl, and the light of lamp pearl is diffusely reflected after ceiling, than direct light more soft, will not stimulate human eye, the light of lamp pearl is diffusely reflected after ceiling, its illumination range is larger than lamp pearl direct sight range, can illuminate more space around ceiling lamp, make whole space evenly receive light, lamp shade lower support part can be connected lower projection lamp group or sound component, can be flexibly combined according to different scene.
Owner:FOSHAN TONGZHU HARDWARE PROD CO LTD

Extensible prefabricated module cabinet PDU device

The utility model relates to the technical field of power equipment, in particular to an extensible prefabricated module cabinet PDU device which comprises an input end assembly, a middle output end socket assembly, a tail end output end socket assembly and a locking device. The end, away from the first hanging lug, of the input end assembly and the end, away from the first hanging lug, of the middle output end socket assembly are each provided with an electric connecting groove, and the end, away from the electric connecting grooves, of the middle output end socket assembly and the end, away from the electric connecting grooves, of the tail end output end socket assembly are each provided with an electric connector. According to the utility model, the components and the matched locking devices are arranged, so that the connection among the components is simple and quick, the installation difficulty and time cost are greatly reduced, and the prefabricated module design means that all the components are manufactured according to standard specifications, so that the transportation and storage are convenient, the space in the cabinet can be effectively utilized, and the installation is convenient. And maximum utilization of resources is realized.
Owner:NINGBO LEPIN NETWORK EQUIP CO LTD

Spare power automatic switching device verification platform and method based on self-holding double-coil relay

The invention relates to the technical field of power system relay protection, and relates to a backup power automatic switching device verification platform and method based on a self-hold double-coil relay, and the platform comprises a circuit breaker simulation unit which comprises a closing coil and an opening coil; the control signal input interface is electrically connected with the closing coil and the opening coil and is used for receiving closing and opening control pulses output by the spare power automatic switching device to be verified; the state feedback output interface is electrically connected with a first state contact of the self-holding double-coil relay and is used for feeding back the opening and closing state of the simulated circuit breaker to the spare power automatic switching device to be verified; and the manual control loop is connected in parallel to a circuit of the closing coil and the opening coil, and is used for manually setting or resetting the circuit breaker simulation unit under the condition of being separated from the spare power automatic switching device. Through high-fidelity closed-loop simulation, linkage logic under various working conditions is completely reproduced, and the accuracy, depth and convenience of verification work are remarkably improved.
Owner:YALONG RIVER HYDROPOWER DEV CO LTD

A wind turbine generator control system and method thereof

This invention provides a wind turbine generator control system and method, comprising: deriving short-term wind information and short-term generator output based on real-time information; determining the generator output demand based on the total power demand of the grid; adjusting the generator's response speed to short-term wind information; determining the generator's current wind energy conversion efficiency based on the generator's real-time speed; synchronously transmitting the generated electricity to the grid; determining the grid's temporary power demand based on the grid's transmission feedback information; and adjusting the generator's speed as needed. This allows for prediction of short-term wind conditions, thereby controlling the generator to adjust its speed in advance to avoid voltage instability caused by wind speed fluctuations. Furthermore, it adjusts the generator's power generation operation according to the grid's power demand to avoid overload or inefficient operation.
Owner:ZHE JIANG MING DU XIN NENG YUAN YOU XIAN GONG SI

Storage medium, industrial centralized control accident recalling method and system

PendingCN121965772ADoes not affect normal operationCross-sectional data are consistentGeometric CADData processing applicationsPower gridAccident analysis
The invention belongs to the technical field of power grid operation and maintenance, and particularly relates to a storage medium and an industrial centralized control accident recalling method and system. The method comprises the following steps: acquiring real-time power grid operation data, and constructing a current actual operation power grid model according to the real-time power grid operation data; when an accident occurs, the power grid model and the accident section data which are actually operated at the accident occurrence moment are stored; when accident recall needs to be carried out, accident inversion is carried out based on the power grid model actually running at the accident occurrence moment and the accident section data, or simulation is carried out on equipment parameters and states in the model based on a preset power grid model according to the selected simulation event, so that accident occurrence is simulated; the simulation data before and after the simulation accident are recorded, accident inversion is performed by combining the simulation data before and after the simulation accident so as to analyze the accident cause, the accuracy and efficiency of accident analysis are improved, a real power grid system does not need to be operated, and normal operation of a power grid is not affected.
Owner:XJ ELECTRIC CO LTD +2

Relay fault identification method considering contact quality

The invention discloses a relay fault identification method considering contact quality, relates to the technical field of relay fault identification, and solves the problem that the relay fault identification result is inaccurate due to the fact that the contact quality of a relay is not considered in the relay fault identification process in the prior art. According to the method, a multi-parameter weighted comprehensive evaluation system with the contact quality as the core is constructed, the contact resistance value, the fluctuation standard deviation of the contact resistance value and the pull-in and release time characteristics of the contact resistance value are synchronously considered, the contact quality is improved from single parameter judgment to quantifiable comprehensive scoring, a state grading and fault recognition linkage mechanism is established, and the contact quality evaluation accuracy is improved. The defect of insufficient identification accuracy caused by neglecting the contact quality in the prior art is effectively overcome, and the relay fault identification precision and the intelligent level of power grid equipment state maintenance are remarkably improved.
Owner:广西电网能源科技有限责任公司 +1

Automatic pulling device for circuit breaker switch of high-voltage box

The utility model belongs to the technical field of auxiliary operation devices of power equipment, and discloses an automatic pulling device for a circuit breaker of a high-voltage box, which comprises a grip, a control area and a working area. The grip serves as a handheld part, a rubber sleeve is pasted outside the grip for anti-skid treatment, the working area serves as the core part of the device, and a battery, a rotating mechanism, a torque sensor, a limiter and a control circuit are arranged in the working area. The device has the remarkable advantages of simplicity and convenience in operation, safety, reliability and the like, and solves the problem of inconvenience in operation of a traditional circuit breaker.
Owner:CHONGQING GUANGCHUAN COMPREHENSIVE ENERGY SERVICES CO LTD