74results about How to "Rapid isolation" patented technology

The invention discloses a waterproof composite material production intelligent control system, and relates to the technical field of control systems, the system comprises a data acquisition layer, a standard template generation module, a data processing layer, a Transform-based model core layer and an output layer, the data acquisition layer acquires production data in real time; a data processing standard template is generated through a standard template generation module, standardization processing is conducted on real-time data through a data processing layer, production process modeling and production state analysis are conducted through a Transform model core layer, an analysis result is decoded into a control instruction through an output layer, and production line process parameters are adjusted. The production process is intelligently and optimally controlled by applying the artificial intelligence technology, the intelligent level, the operation efficiency and the product quality of the production line are remarkably improved, meanwhile, the production goals of energy conservation, efficiency improvement and intrinsic safety are achieved through refined management and control and whole-process safety protection, and intelligent and green development of the waterproof composite material industry is promoted.

The invention discloses a power distribution area reactive compensation control method based on an energy storage PCS converter, and the method comprises the following steps: 1, data collection and processing: collecting the power parameters of a power distribution area in real time through employing the technology of Internet of Things, such as voltage, current, active power, reactive power, and frequency; the data preprocessing module is used for cleaning, filtering and normalizing the collected data to ensure the accuracy and consistency of the data; 2, constructing a multi-objective optimization model; designing an objective function; and constructing a multi-objective optimization model comprising reactive power compensation, active power optimization, voltage stability and energy efficiency improvement. According to the invention, the performance and reliability of the reactive compensation control method for the power distribution area based on the energy storage PCS converter are effectively improved, and more efficient and more stable power grid operation is realized; the system can quickly isolate a fault unit after detecting a fault, realizes cooperative work among multiple PCS converters through distributed optimization, and ensures stable operation of the system.

The invention relates to the technical field of power maintenance, and discloses a power distribution network-oriented single-phase earth fault AI comprehensive research and judgment system, which integrates a power distribution network monitoring module, a fault diagnosis equipment module and an AI comprehensive research and judgment module. The system can accurately judge the type, position and severity of the single-phase earth fault by monitoring and collecting all-dimensional data of the power distribution network in real time and combining intelligent analysis of the AI comprehensive research and judgment module, and the accuracy of fault positioning and isolation is remarkably improved. The AI comprehensive research and judgment module adopts a Markov decision process for modeling, and a deep reinforcement learning algorithm is used for training a research and judgment model, so that rapid fault positioning, isolation and power supply recovery are realized, the fault processing efficiency and the power supply recovery speed are effectively improved, and the power failure time and the influence on users are reduced.

The invention discloses an intelligent substation merging unit fault diagnosis and self-healing method based on tensor decomposition, and the method comprises the steps: collecting all operation data of a merging unit from a sensor network of an intelligent substation in real time, carrying out the processing, organizing the processed data into a tensor form, and outputting multi-dimensional data; decomposing the multi-dimensional data by using a tensor decomposition method, extracting fault features, and detecting the fault features to obtain a detection result; and determining the position and the type of the fault based on the detection result, starting a self-healing control strategy, and automatically repairing the fault by taking corresponding measures. Through the adaptive control technology, automatic repair of faults is realized, the self-healing capability of the intelligent substation is enhanced, and the reliability and stability of the system are improved.

The invention provides a bypass control method and system suitable for a high-voltage cascade type energy storage system, electronic equipment and a medium, and belongs to the field of energy storage systems. The high-voltage cascade type energy storage system comprises energy storage units, each energy storage unit comprises a plurality of H-bridge power unit chain links, the direct current side of each H-bridge power unit is connected with a battery cluster, and the method comprises the steps that when a certain H-bridge power unit or battery cluster in the high-voltage cascade type energy storage system breaks down, the fault type is judged; if it is determined that the fault type is a bypass fault, the energy storage unit is switched to a bypass mode through switching, so that the fault unit is bypassed; and if the fault is determined to be a non-bypass fault, triggering the high-voltage cascade type energy storage system to trip and stop through the power conversion system. Through design and implementation of an automatic bypass function, rapid isolation can be ensured when a battery cluster or a power unit breaks down, operation of the whole energy storage unit is not affected, and a system can rapidly respond and maintain stable operation.

The invention provides a hydrogen production system which comprises at least one water electrolysis hydrogen production device used for electrolyzing water to produce hydrogen and oxygen, and each water electrolysis hydrogen production device comprises a hydrogen-alkali mixture outlet and an oxygen-alkali mixture outlet; a hydrogen-alkali mixture outlet or an oxygen-alkali mixture outlet of each water electrolysis hydrogen production device is independently provided with a gas analysis device and an alkali liquor supply adjusting device, and the gas analysis device is used for analyzing the hydrogen purity of the hydrogen-alkali mixture outlet or the oxygen purity of the oxygen-alkali mixture outlet of the water electrolysis hydrogen production device. The alkali liquor supply adjusting equipment is used for supplying and adjusting alkali liquor of the water electrolysis hydrogen production equipment, and the problems that gas produced by an existing electrolytic bath is separated and analyzed through the same separator, the electrolytic bath with poor gas product purity in a system cannot be diagnosed, and then the faulted electrolytic bath cannot be rapidly positioned and isolated, and the system is not easy to operate are solved. And the electrolytic bath alkali liquor cannot be independently supplied and adjusted, so that the hydrogen production efficiency of the electrolytic bath in the hydrogen production system is low.

The present invention relates to a distribution network fault processing method and system with coordinated self-adaptation between a master station and a terminal, wherein fault processing of the master station and the terminal is allocated according to a fault processing strategy, a distribution network fault location model is used to locate the fault during the master station processing, and after the fault is isolated, the active loads in the distribution network are classified according to the regulation capability and the power supply is restored to the non-fault power outage area according to the classification. The present invention effectively uses the coordinated self-adaptation control mode of the master station and the terminal to realize the rapid location, isolation and recovery of intelligent distribution network faults, thereby improving the efficiency and accuracy of fault location.

The utility model relates to the technical field of preservation devices, in particular to a preservation device for microorganism sampling. The technical problems that according to an existing preservation device, due to the fact that preservation conditions and types of different microorganisms are different, mutual isolation between samples stored in glass bottles is poor, cross contamination is likely to happen when bottle caps are opened and closed for storage, meanwhile, air and other pollutants are likely to enter the bottles when the bottle caps are frequently opened for storing the samples, and the storage time is shortened are solved. The sample is polluted, and the preservation quality of the sample is influenced. According to the technical scheme, the preservation device for microorganism sampling comprises a storage tank, a sealing assembly, a storage assembly and a control assembly; the sealing cover is combined with the sealing strip to be buckled and sealed with the storage tank, so that air and external pollutants are effectively prevented from entering the storage tank, microorganism samples in the storage tank are protected from being influenced by external factors, meanwhile, the situation that the samples in the storage tank are leaked or volatilized to cause deterioration of the samples is avoided, and the storage stability of the microorganism samples is improved.

This utility model discloses a tunnel fire-fighting foam liquid filling system, belonging to the field of fire-fighting equipment technology. It includes several fire boxes, a foam liquid filling vehicle, and a monitoring center. Both the fire boxes and the foam liquid filling vehicle are networked with the monitoring center to achieve data exchange. Specifically, each fire box contains a foam liquid storage tank and a first control device. The foam liquid storage tank is equipped with a first liquid level sensor, a solenoid valve, a variable frequency delivery pump, and a first flow meter. A flow regulating valve and a second flow meter are installed on the pressure water pipe. All components are connected to the first control device. The foam liquid filling vehicle contains a foam liquid storage tank, a variable frequency high-pressure pump, a battery, a third flow meter, and a second control device. Both the first and second control devices are connected to the monitoring center. This utility model provides a highly efficient, intelligent, and easy-to-maintain tunnel fire-fighting foam liquid filling system.

The present disclosure relates to a method, system, device and medium for optimizing the self-healing processing logic of a snowflake-type distribution network, and belongs to the field of power system automation technology. The method comprises the following steps: constructing the protection coordination rules of the snowflake-type distribution network self-healing logic and the low-voltage photovoltaic grid-connected circuit breaker; optimizing the master station centralized logic; constructing a distributed fast self-healing logic based on the protection coordination rules and the optimized master station centralized logic to optimize the self-healing processing logic of the snowflake-type distribution network. The present disclosure effectively solves the problem of the relay protection system misjudging the fault current of multiple power supply terminals by introducing directional signals and directional relays, and reduces the erroneous circuit breaker tripping events. The optimized fault processing logic can isolate the fault area more quickly, restore power supply to the non-fault area, and improve the reliability and stability of the power grid.

The invention relates to the field of modular charging, in particular to a modular charging mechanism for a power pack and a management method thereof, and the modular charging mechanism comprises a power supply placement table which provides placement space for a plurality of groups of power supplies and is arranged in an array manner; the modular mechanism is arranged on the outer side of the power supply placement table, is arranged corresponding to the power supply placement table, and is used for carrying out centralized modular charging on multiple groups of power supplies to realize synchronous or independent power supply; according to the modular charging mechanism for the power pack and the management method of the modular charging mechanism for the power pack, when abnormal high temperature occurs to the power supply, a melt is heated and melted to trigger a linkage mechanism, and a limiting plate is driven to be automatically stored through spring reset and gear transmission, so that the temperature of the power supply is lowered, and the reliability of charging is improved. And the power supply is quickly released from being clamped.

The invention provides a power distribution network protection setting value optimization method and device, electronic equipment and a storage medium, and the method comprises the steps: carrying out the analysis of the matching condition of a power distribution network based on equipment basic parameters, an initial protection setting value ledger and an operation mode, generating a protection setting value initial mismatch point ledger, carrying out the pre-calculation of a protection setting value, and carrying out the calculation of an initial mismatch point ledger; after a pre-calculation protection setting value ledger is generated, the matching condition is counted, and a setting calculation mismatching point and an event level thereof are determined; checking the setting calculation mismatch point and the protection setting value of the adjacent equipment, counting the checking result to form a checking mismatch point, recalculating the event level of the checking mismatch point, comparing the checked protection setting value with the initial protection setting value based on the calculation result, and adjusting the protection setting value according to the comparison result. The problem that a protection device acts inaccurately or is not timely due to the fact that an existing protection constant value cannot adapt to power grid operation state changes can be solved, and it is ensured that the protection constant value accurately reflects actual operation conditions of a power grid.

This invention discloses a rapid splicing control method for high-efficiency liquid-cooled energy storage modules, relating to the field of energy storage system technology. It includes five core control steps: pre-configuration before splicing involves reading module identity and parameters via wireless communication, verifying compatibility, and generating a splicing sequence; physical splicing employs visual and mechanical collaborative positioning, dynamically adjusting to ensure precise interface alignment; the liquid-cooled circuit opens the reversing valve in a timed sequence, monitoring pressure and flow to achieve leak-free connectivity; the electrical interface uses adaptive detection to match protocols and voltage, with soft-start to avoid current surges; after splicing, a collaborative algorithm dynamically allocates power and flow, with closed-loop control ensuring stable system operation. This invention significantly improves the splicing efficiency and positioning accuracy of liquid-cooled energy storage modules, possesses fault tolerance and flexible expansion capabilities, adapts to large-scale and distributed energy storage scenarios, and meets the high-efficiency and reliable operation requirements of energy storage systems.

The application discloses a CXL switch fault port triggered mainboard level task migration and memory page redirection mechanism, comprising: monitoring the health state of a SerDes physical layer and detecting port faults; classifying faults according to the deviation degree of health parameters; independently isolating fault ports at the hardware level according to fault levels; reporting fault events to a baseboard management controller, which queries a port-device-task association graph to identify affected tasks, evaluates the migration feasibility of other available CXL devices and generates migration suggestions to perform task migration and redirection of the memory page under the fault port. The application realizes rapid detection and independent isolation from the port hardware level, full-link cooperation of mainboard level task migration and memory redirection, and improves the end-to-end fault recovery capability of the system.

The invention relates to the technical field of intelligent fire fighting, and discloses an unattended indoor fire-fighting robot which is characterized in that the discharge end of one side of a pressurizing box is connected with a fire extinguishing nozzle, the other side of the top of a mounting plate is provided with a monitoring box, and the bottom of the monitoring box is provided with a monitoring instrument for fire monitoring; according to the fire extinguishing device, the limiting winding box is driven by the threaded seat to rotate, winding and unwinding of the traction cable are achieved, the rotating pipe automatically deflects to the horizontal position under the dead weight by unwinding the traction cable, fire extinguishing dry powder is conveyed into the rotating pipe, the fire extinguishing dry powder is evenly distributed to a fire extinguishing area through the distribution holes, and the fire extinguishing effect is improved. The fire extinguishing dry powder is sprayed to the fire extinguishing position in a circumferential distribution mode by combining rotation of the rotating pipe, so that the fire extinguishing dry powder can surround the fire position in a cylinder shape, the use effect of the fire extinguishing dry powder is improved, the actual fire extinguishing isolation area is expanded, the fire area is rapidly isolated, fire spreading is prevented, and loss is reduced.

The application belongs to the technical field of lithium batteries, and particularly relates to a hybrid battery system structure, which comprises a box body, an A module, a B module, an A area explosive disposal system and a B area explosive disposal system. An isolation beam is arranged in the box body, and the isolation beam divides the internal space of the box body into an A area and a B area. The A module is arranged in the A area, and the B module is arranged in the B area. The A area explosive disposal system comprises an explosive disposal gas collection bin arranged below the A area and a longitudinal explosive disposal channel arranged on the side of the box body and in communication with the explosive disposal gas collection bin. The B area explosive disposal system is arranged above the B area and in communication with each second battery cell explosive disposal valve. The A area explosive disposal system and the B area explosive disposal system are not in communication with each other. The application realizes physical isolation, thermal isolation and electrical isolation of different chemical system battery cells, and effectively prevents a single side thermal runaway from spreading and causing a chain reaction accident.

The invention relates to an offshore wind power and conventional power supply direct current bundling and sending-out system. The invention provides an offshore wind power and conventional power supply direct-current bundling and sending-out system, which aims at solving the problems of existing offshore wind power sending-out, and comprises an offshore wind power flexible direct-current sending-out system, a conventional power supply flexible direct-current sending-out system and a direct-current bundling and sending-out system. The offshore wind power flexible direct current sending-out system comprises an offshore wind power unit group, an alternating current collection submarine cable, an offshore flexible direct current converter station and a direct current sending-out submarine cable. The conventional power supply flexible direct current sending-out system comprises a conventional power supply, an alternating current power transmission line, a land flexible direct current converter station and a direct current power transmission line; the direct-current bundling and sending-out system comprises a direct-current incoming line, a land direct-current pooling station and a direct-current outgoing line. The offshore wind power fluctuation can be stabilized, and the influence of the offshore wind power fluctuation on system stability is reduced; the requirements of various operation modes are met, and direct-current fault isolation and alternating-current fault ride-through are realized; the power transmission cost is saved.

The invention relates to the field of relay protection device debugging, and provides a relay protection debugging synchronous triggering device and method, which are characterized in that a triggering signal simulation module and a touch module are positioned in the same clock source through a clock module, so that the debugging accuracy is improved; three modes of timing triggering, synchronous triggering and external signal triggering are supported, and the test requirements of multiple scenes can be met. The multi-channel synchronous triggering module is used for distributing signals to the corresponding tentacle modules; the tentacle module can respectively control the connection / disconnection of an input terminal of the relay protection device, the connection / disconnection of a port of the relay protection tester and the disconnection of the air switch according to an application scene; the control module can receive and process a feedback signal and calculate an action time difference in real time; and automatic fault detection and standby module switching are realized, so that the fault module can be quickly isolated and the standby module can be started. The method can solve the problem that protection logic action conditions are difficult to synchronize due to scattered operation sites of a substation site, and can replace manual work to realize remote cooperation and maximize synchronization.

The invention relates to the field of energy storage power station control, and particularly discloses a layered distributed emergency stop control system of an energy storage power station, which comprises a local emergency stop control unit used for executing shutdown control of at least part of equipment in the energy storage power station; the regional emergency stop control unit is associated with all local emergency stop control units in a regional coverage range and is used for executing shutdown control of equipment in the regional coverage range in the energy storage power station; and the station end scram control unit is associated with the all-region scram control unit and is used for executing all-region shutdown control of the energy storage power station through the station end controller when the station end scram button is triggered. According to the technical scheme provided by the invention, through the arrangement of the regionalized distributed layered emergency stop control units, the reliability risk that the existing emergency stop control system is easily influenced by the single-point fault of the central controller is avoided, and the omnibearing precise shutdown control and local isolation protection of the energy storage power station are realized.

This utility model discloses a cooling device for precipitation of phenylhydrazine hydrochloride mother liquor, comprising a refrigeration compressor, an oil separator fixedly connected to the output end of the refrigeration compressor, an evaporative condenser fixedly connected to the main outlet of the oil separator, an auxiliary ammonia storage tank fixedly connected to the outlet of the evaporative condenser via a first pipeline, an ammonia tank fixedly connected to the outlet of the auxiliary ammonia storage tank via a second pipeline, a shut-off valve installed at the connection between the ammonia tank and the second pipeline, and a thin-film evaporator fixedly connected to the outlet of the ammonia tank via a third pipeline. The main outlet of the thin-film evaporator is fixedly connected to a brine tank. Through the above structure, a buffer system is formed by the interlocking of the ammonia tank, the auxiliary ammonia storage tank, and the double shut-off valves, which can quickly isolate the ammonia source in case of emergency shutdown. In addition, the use of a closed-loop system with a low-temperature brine medium can effectively reduce energy consumption, thereby preventing the waste of cooling capacity caused by intermittent production.

The invention relates to the field of vehicle-mounted transformers, and provides a vehicle-mounted traction transformer gas protection method, system, equipment and medium, and the method comprises the steps: monitoring the pressure and temperature of transformer oil in a transformer, and obtaining the state of a pressure relief valve; in response to the abnormal internal pressure, when the pressure relief valve triggers the protection action, a main circuit breaker tripping signal is generated, and the whole vehicle stops running; when the internal pressure is normal and the pressure relief valve does not trigger the protection action, the protection action is triggered according to the gas relay protection signal, and gas delay protection is carried out; and responding to temperature abnormity, starting temperature alarm, checking the state of the gas relay, and controlling the vehicle to run. According to the method, through reasonable cooperation of gas protection hardware parameter setting and protection logic, on the premise that internal faults of the transformer are quickly responded and isolated, and vehicle application safety is guaranteed, the reliability and application vitality of the whole vehicle and the traction transformer are further improved.

The invention discloses a risk prevention method, electronic equipment, a storage medium and a product, relates to the technical field of security prevention, is applied to a business integrated management system, and comprises the following steps: for any client system managed by the business integrated management system, determining an overall security score of the client system under each security index, detecting whether the performance of each key scene in the client system reaches the available base line of the system or not; judging whether the client system reaches a system security base line based on the overall security score; and under the condition that the client system does not reach the system safety bottom line and the system available bottom line, determining that the client system has potential risks, and carrying out switching-out processing on the client system. The technical problem of how to timely discover the potential risk of the system under the condition of ensuring that the system is safe and available is solved.

This utility model discloses a movable and angle-adjustable partition, comprising: a box body, a lifting partition, and a sliding partition. The top of the box body has two limiting grooves. The outer wall of the lifting partition has two rotating members, and the inner side of each rotating member has a first pulley. The sliding partition has two fixing members on opposite outer walls, and the inner wall of each fixing member has a second pulley. The inner walls of opposite inner walls of the box body have multiple first slots symmetrically arranged, and the inner walls of opposite inner walls of the box body have multiple second slots. One side of the lifting partition has four first sleeves, and the inner wall of each first sleeve has a first pin. One side of the sliding partition has two second sleeves, and the inner wall of each second sleeve has a second pin. Through the free adjustment of the sliding partition and the lifting partition, the internal space of the box can be flexibly adjusted according to the size and quantity of the loaded items, and the storage needs of different types of items can be met.

The present invention discloses a DHCP-based security defense source tracing method and system, wherein the system includes a dynamic source NAT, a DHCP core service management platform and a first data collector, the first data collector is connected to the DHCP core service management platform in communication; the dynamic source NAT is set on a firewall, and the firewall is set between an intranet core switch and an external network; the DHCP core service management platform extracts dynamic source NAT mapping conversion information from dynamic source NAT session information and associates and stores the extracted dynamic source NAT mapping conversion information with an intranet terminal IP address allocation result, when a problematic intranet terminal appears in the intranet, the DHCP core service management platform determines the IP address of the problematic intranet terminal through the association between the dynamic source NAT mapping conversion information and the intranet terminal IP address allocation result; the intranet switch includes an intranet core switch and an intranet conventional switch. The present invention effectively solves the source tracing problem of the problematic terminal, so that the problematic terminal can be isolated from the network in a timely manner.

The application relates to the technical field of photovoltaic power generation, in particular to a control method and device of an energy storage system and electronic equipment. In the embodiment, when it is learned that a battery module is in a fault state, the fault battery module is quickly isolated from a bus, so that the fault is prevented from spreading; then, a power adjustment mode is automatically determined according to a power difference between photovoltaic power and inverter power, and the output power of the photovoltaic module or the inverter module is adjusted correspondingly, so that the photovoltaic power of the photovoltaic module and the inverter power of the inverter module satisfy a preset matching relationship; then, the mode is switched to photovoltaic full-rate grid connection, so that, after the battery module is isolated, the photovoltaic power and the inverter power can be quickly matched and the bus voltage can be stably controlled without relying on a communication link or a large-capacity buffer capacitor, the energy storage system can continuously operate without shutdown during the maintenance of the battery module, and the waste of photovoltaic energy is avoided.

This invention discloses an anti-burning foam fire extinguishing agent for lithium batteries and its preparation method, relating to the field of fire extinguishing agent technology. The anti-burning foam fire extinguishing agent for lithium batteries prepared by this invention mainly comprises a foaming agent system, a foam stabilizer, and a heat-absorbing material. The foaming agent system contains sodium perfluorocrown ether sulfonate, the foam stabilizer is modified silica, and the heat-absorbing material contains modified microcapsules. The anti-burning foam fire extinguishing agent for lithium batteries prepared by this invention exhibits good foam stability and fire extinguishing performance.

The invention relates to the technical field of power system protection, in particular to a self-adaptive current differential protection method for a power distribution network containing an inverter distributed power supply. Comprising the steps that initialization and parameter setting are conducted, a topological structure is analyzed, and parameters are managed through an integrated system; data acquisition: sensors are reasonably arranged to acquire real-time data; performing fault analysis and current differential calculation, and analyzing and calculating related quantity by using a symmetric component method and real-time data; protection decision and action: calculating and judging whether protection is started or not based on adaptive filtering and an algorithm; and self-adaptive adjustment and resetting: adjusting line parameters and resetting the system. The method adapts to complex topology and distributed power supply characteristics, improves protection coordination, enhances the self-healing capability and operation efficiency of the power distribution network, and effectively overcomes the defects in the prior art.

The invention provides a power distribution network multi-stage current protection method based on a residual voltage locking principle, which aims at power distribution network stage differential protection application scenes and comprises instantaneous quick-break protection, time-limited quick-break protection, overcurrent protection and residual voltage locking criteria. On the basis of traditional power distribution network protection, a residual voltage locking principle is utilized, and a multi-stage current protection technology and a feeder automation function are combined, so that firstly, limitation on high current value setting caused by a current transformer supersaturation phenomenon is eliminated, effective protection of a transformer substation outgoing line switch on a near-region fault is realized, and releasing of stage difference protection delay is guaranteed; secondly, the cooperative cooperation of relay protection and feeder automation is realized, and the condition of line switching connection can be effectively handled; and thirdly, low-voltage multi-stage protection is set, the protection requirement in the low-voltage transformer area is considered, and the system has the advantages of high protection selectivity, rapid and accurate fault isolation and the like.

This application provides a flight device, comprising: a fuselage; and an energy storage component disposed outside the fuselage, the energy storage component including a connecting mechanism and a battery, the connecting mechanism being mounted on the fuselage; the connecting mechanism having a locked state and an unlocked state, the connecting mechanism being configured to switch between the locked state and the unlocked state, in the locked state the connecting mechanism being connected to the battery, and in the unlocked state the connecting mechanism being disengaged from the battery, thereby detaching the battery from the fuselage. With this configuration, in emergency situations such as battery spontaneous combustion, the connecting mechanism can switch to the unlocked state. Since both the connecting mechanism and the battery are located outside the fuselage, the interior of the fuselage can be effectively isolated from fire sources, while the battery can be quickly jettisoned.