821 results about "Power substation" patented technology

The application discloses a kind of substation flood intelligent monitoring method and system, it is related to electric power system safety monitoring field.The method is by building the multi-dimensional influence factor library including the bottom elevation of discharge port and pipe network permeation loss, combined with rainfall forecast executes dynamic water balance deduction, deduce according to the dynamic correction soil infiltration capacity of early rainless days, and according to the effective pressure difference of water level and the bottom of discharge port calculates net drainage capacity;Based on the deduction result, water level height field is generated by combining three-dimensional digital model for waterlogging overflow distribution;According to water level height field and equipment elevation, determine the flooding risk, and generate dispatching instruction by taking water center as target and combining prohibited operation area to optimize equipment layout coordinates;Through man-machine interaction correction parameter and trigger GPU acceleration recalculation to realize model online evolution.The application realizes the physical mechanism simulation and space intelligent scheduling under the microscale of substation, changes passive alarm into active risk deduction.

The application relates to the technical field of power system automation, and particularly discloses an intelligent substation automation management system. The system comprises a digital twin synchronous management module, a multi-engine collaborative deduction module, an online strategy optimization and simulation module, and an instruction safety checking and feedback module. The system builds a digital twin synchronized with a physical station as a unified analysis environment; multiple professional analysis engines interacting through a shared cognitive state library are run in the twin, interwoven evaluation and joint deduction of equipment state, protection logic and network reliability are realized; based on the deduction result, online simulation iteration is used to search for a multi-step optimization control plan in the twin environment; and after safety checking of the plan instruction, the instruction is executed, and feedback data is collected to drive the closed-loop evolution of the model and the strategy. The application realizes multi-source data fusion, dynamic collaboration of cross-professional analysis and adaptive optimization of control strategies, and improves the integrity and autonomy of intelligent substation management.

This invention belongs to the field of power equipment maintenance technology. It proposes a method for operating a substation insulating bushing cleaning robot using a cable descent mechanism and the cleaning robot itself. An auxiliary rod is used to place the cable descent mechanism at the top of the insulating bushing, and the clamping component of the cable descent mechanism clamps the outer surface of the cylindrical part at the top of the insulating bushing. One end of the cable descent rope is placed on the ground and connected to the cleaning mechanism. The cable descent rope is retracted, lifting the cleaning mechanism to the cleaning position on the insulating bushing. The cleaning mechanism is activated, and the rising and falling of the cable descent rope drives the cleaning mechanism to clean the insulator layer by layer. Through the cable descent control, the robot can be installed and removed from the insulating bushing, reducing the crawling ability and control requirements of the cleaning mechanism on the insulating bushing, improving the cleaning adaptability of insulating bushings of different diameters, and solving the problems of complex robot structure and poor adaptability.

This utility model discloses a substation emergency backup power supply system and a substation power outage control system. The substation emergency backup power supply system includes: a main control circuit, an AC-to-DC circuit, an auxiliary power supply, a battery module, a constant current charging circuit, a battery voltage acquisition circuit, a battery switching circuit, and a motor control circuit. The output terminal of the main control circuit is connected to the input terminal of the motor control circuit, enabling it to send control signals to the motor control circuit. The motor control circuit is connected to a drive mechanism, which is connected to the substation high-voltage switch, enabling it to control the switching action of the substation high-voltage switch. The substation emergency backup power supply system and substation power outage control system proposed in this utility model can improve the safety and intelligence of substation power outage shutdown.

This invention discloses a substation secondary circuit design method based on equipment functional areas and template matching. The method includes assigning descriptions to secondary equipment based on voltage level or bay; constructing secondary circuit data templates; matching the data template library based on the connection relationships of local equipment functional areas within a bay; extracting functional area connection information through a typical template information flow table; and converting the functional area connection information into actual equipment terminal connections to complete the substation secondary circuit design. This invention mutually converts the functional areas of secondary equipment with the design of secondary circuits, constructing data templates for substation secondary circuits. By improving the VF2 graphical matching algorithm, it achieves digital storage of data templates and rapid matching of complete bay information using local information from data templates. After matching, the functional area connections of the data templates are reverse-converted into equipment terminal connections, realizing automatic secondary circuit design and improving the digital design level of secondary systems.

A panoramic perception method and system for an insulation state of a high-voltage device in a substation. The method comprises: acquiring first monitoring data and first test data of a target substation device (S101); performing deterioration analysis on the first monitoring data and the first test data on the basis of a preset deterioration analysis strategy to obtain a first deterioration amount and a second deterioration amount (S102); determining the confidence level of a first state level of the target substation device on the basis of the first deterioration amount and the second deterioration amount (S103); and performing state perception on the basis of a confidence level determination result (S104). By implementing the method, the insulation state of a substation device can be monitored in real time, and potential faults and risks can be found in a timely manner, thereby improving the safety and reliability of power grid operation, reducing the frequency and cost of manual inspection, and improving the efficiency and accuracy of data processing.

This invention provides an intelligent operation and maintenance system for prefabricated substations based on big data, belonging to the field of prefabricated substation operation and maintenance technology. The data access unit unifies the time alignment of electrical operation, environmental monitoring, and historical operation and maintenance data, constructing a constrained time-series data structure based on equipment topology; the state evolution modeling unit extracts multi-scale features, generating three sets of evolution parameters: impedance, capacity, and load; the control variable reconstruction unit generates enhanced control input vectors through component mapping and iterative feedback; the real-time control execution unit outputs reactive power regulation and voltage control commands accordingly; and the human-machine feedback unit embeds manually corrected information and updates control parameters. This invention solves the problems of lack of topological constraints in multi-source data and the difficulty of embedding human experience into automated control, improving the intelligence level, control accuracy, and adaptability of prefabricated substation operation and maintenance.

The application discloses an interactive adaptive generation method and device for a substation main wiring diagram, and belongs to the technical field of intelligent substations. The method comprises the following steps: loading a pre-constructed substation typical design framework template and a bus branch interval template; instantiating the substation typical design framework template and the bus branch interval template to generate a typical design template instance and a branch interval template instance; respectively performing graph module association on the typical design template instance and the branch interval template instance to generate the graph module associated typical design template instance and the graph module associated branch interval template instance; expanding a arrangeable interval according to the graph module associated typical design template instance and the number and form of the branch interval; and based on an interactive diagramming configuration mechanism, arranging the graph module associated branch interval template instance to the arrangeable interval to generate a substation main wiring diagram. The application can solve the problems of non-standard, low efficiency, easy-to-make errors in graph module association and difficult-to-control diagramming effect in automatic diagramming.

The application relates to the technical field of power system automation, and discloses a smart substation electrical equipment state monitoring and diagnosing system and method, which comprises a four-layer cooperative architecture of a process perception layer, a bay control layer, a station control and cloud platform layer and an execution interaction layer. The process perception layer collects multi-dimensional equipment state data through standardized monitoring IEDs; an edge intelligent diagnosis unit of the bay control layer runs improved D-S evidence theory and LSTM algorithm to perform local fusion diagnosis and trend prediction, realizes rapid diagnosis within 50 ms and linkage control based on GOOSE; the station control and cloud platform layer realizes plug-and-play and panoramic monitoring of equipment based on SCD files; the cloud platform performs deep analysis and model training, and improves the diagnosis capability through cloud-edge cooperative iteration; the application solves the problems of protocol heterogeneity, data island, diagnosis lag and poor linkage of the traditional monitoring system, and realizes standardized, real-time and intelligent monitoring and active early warning of the equipment state.

The application discloses a substation indoor grounding wire state monitoring system, which comprises an RFID positioning unit, a positioning detection unit, a mechanical locking unit and a state monitoring unit. The RFID positioning unit is fixedly installed on the grounding end in the substation. The positioning detection unit and the mechanical locking unit are connected through a grounding rod. The mechanical locking unit is connected below the grounding end of the grounding rod. The leading wire above the grounding end is connected with the positioning detection unit through a wire. The state monitoring unit is connected with the mechanical locking unit and the positioning detection unit through a wireless communication module. The positioning detection unit comprises a grounding fastening assembly and an Internet of Things positioning module. The grounding fastening assembly is fixedly connected with the terminal end of the leading wire of the grounding rod. The Internet of Things positioning module is sleeved on the leading wire. The monitoring system integrates the positioning, mistake prevention and state monitoring requirements of the substation indoor grounding wire, overcomes the defects of the traditional management mode and realizes intelligent and standardized management.

A large-capacity modular double-layer arrangement substation system relates to the field of electric power construction such as new energy and distributed power supply, and is mainly designed to solve the problem of large land occupation of traditional substations. It comprises a transformer in an accident oil pool, a steel wheel of the transformer is arranged on a track of a foundation, support columns of a steel structure platform are fixed on the foundation, a container is fixed on the steel structure platform, and high-voltage switch equipment is fixed on an outer side wall of the container. A high-voltage circuit breaker of the high-voltage switch equipment is connected with a high-voltage isolation / grounding switch through a conductor, the high-voltage isolation / grounding switch is connected with a high-voltage bushing, the high-voltage circuit breaker is connected with a high-voltage connection line of a high-voltage bushing of the transformer through a high-voltage isolation plug, and a connection cable between a low-voltage bushing of the transformer and an outdoor terminal of a medium-voltage porcelain bushing type cable is connected through a low-voltage isolation plug. The advantage is that the land occupation can be reduced.

The application provides a substation-oriented anchor point timestamp calibration method and related device, which is applied to a collection terminal in a substation monitoring system, the substation monitoring system further comprises a master clock and a sensor in communication connection with the collection terminal, and the method comprises the following steps: determining a drift parameter of a local crystal oscillator of the collection terminal according to a clock offset sequence between the collection terminal and the master clock in a plurality of continuous synchronization periods; correcting a sampling counter in the collection terminal by using the drift parameter; if a transient partial discharge signal is detected according to a data frame sequence collected by the sensor on a target metal pipeline in the substation, a dynamic anchor point is established at a triggering moment of the transient partial discharge signal; and based on the dynamic anchor point, the generated sampling count sequence after correction and a time reference of the collection terminal, a data frame related to the transient partial discharge signal in the data frame sequence is timestamped. The accuracy of timestamping is improved.

The application relates to an inflatable combined switch for a box transformer and a box transformer substation. The inflatable combined switch for the box transformer comprises a sealed box body for filling insulation gas, the opening and closing directions of the three-position switch and the circuit breaker of each main circuit of the sealed box body extend in the same direction horizontally, the incoming and outgoing line bushings are sealingly installed on the box wall of the sealed box body, the incoming and outgoing line bushings are respectively connected with the static terminals of the three-position switch and the circuit breaker in the sealed box body, and the operating module for driving the opening and closing actions of the three-position switch and the circuit breaker is installed outside the box wall of the sealed box body. The application develops the inflatable combined switch for the box transformer, integrates the circuit breaker and the three-position switch in the sealed box body to form a combined switch in an insulation gas atmosphere, and is used in the box body of the box transformer substation, is protected by two layers of box bodies, is not affected by the external environment, and has improved operation stability and reliability, and reduces the maintenance cost.

This invention relates to a ventilation structure for a prefabricated substation and the prefabricated substation itself. The substation includes a housing with mounting slots on both sides. An air filter plate is installed within each mounting slot, and a cable guide is mounted on the air filter plate. Multiple communication channels are provided on the cable guide. Rainproof design: The top ventilation structure employs a "height difference between the drain cover and the ventilation platform" design, allowing rainwater to slide off along the outer periphery of the drain cover, preventing direct seepage. The air intake path at the bottom of the suction chamber is extended, reducing the risk of water backflow.

The application provides a substation civil engineering large model training method and system integrating design specifications, and belongs to the field of substation civil engineering design. The method comprises the following steps: constructing a unified substation structure diagram; obtaining a substation civil engineering design specification text and parsing it into design rule embeddings, including trigger functions, constraint functions, rule weights, and repair templates; inputting the structure diagram into a multi-modal large model to generate an initial design output representation; performing a differentiable constraint projection process on the initial design output representation based on the trigger functions, constraint functions, and rule weights to obtain a projected design output representation; verifying the compliance of the projected design output representation with the design specifications based on a symbolic verifier, and generating corresponding rule violation counterexample information when the verification fails; performing a repair generation operation on the rule violation counterexample information based on a repair generator to obtain a repair candidate design, and backflowing the repair candidate design for large model training. The application can enable the design specifications to play a constraint role in the model generation and training stages.

This invention provides an adaptive optimization method and system for substation building parameters. The method includes: constructing a constraint ontology library of substation building and electrical codes, converting each code clause in the constraint ontology library into a corresponding constraint unit, and assigning an initial weight to each constraint unit; mapping each constraint unit to a corresponding parameter subspace based on an electrical-building association matrix; performing parallel preliminary verification on each constraint unit in the parameter subspace to identify conflicting parameter combinations, tracing the propagation path of the conflict through the electrical-building association matrix, and dynamically adjusting the execution priority of each constraint unit based on the propagation path and the initial weights; and adaptively adjusting the initial building parameters according to the adjusted constraint priority order to generate the corresponding target building parameters. This invention can significantly improve the optimization efficiency of substation building parameters.

This invention discloses an intelligent monitoring system and method for substations, relating to the technical field of substation monitoring. By acquiring and preprocessing images of the target substation to form a target image set, any image is input into a pre-trained state detection model, which outputs equipment state detection results and generates alarm information to be pushed to the monitoring platform. Based on the YOLOv8 model, the C2f module is replaced with an improved C2f_DC module, and multiple shallow information perception branches are inserted in the neck region. An attention mechanism is used to fuse shallow texture and deep semantic features, thereby enhancing the model's ability to detect defects in small targets, improving robustness in complex scenarios, achieving automatic and real-time monitoring, significantly reducing missed detections and false detections, and improving the reliability of automated detection.

The application relates to a substation target detection model determination method and device, computer equipment and a storage medium. The method comprises the following steps: obtaining an initial substation target detection model, adjusting an activation function of a multi-layer reparameterization module in the initial substation target detection model, determining a target reparameterization module to be compressed in the initial substation target detection model and a sparse parameter, performing sparse training on the initial substation target detection model until the sparse parameter tends to a target value, obtaining a sparse training initial substation target detection model, and combining the target reparameterization module in the sparse training initial substation target detection model in a structure reparameterization mode to obtain a substation target detection model. The method can improve the online monitoring efficiency of a substation. The application further provides a substation defect detection method and device, computer equipment and a storage medium, and the method can improve the substation defect detection efficiency.

This invention discloses a method and system for carbon operation control of substations under emission constraints, belonging to the field of substation carbon operation control technology. The method includes: constructing a carbon operation sequence dataset and extracting fluctuation feature vectors from the dataset; analyzing historical carbon operation sequence datasets to construct a dynamic envelope boundary for carbon emissions; identifying the carbon fluctuation propagation topology of the substation based on equipment flow connection relationships and identifying a set of fluctuation source paths; constructing a dual-constraint robust control model, outputting control constraint strategies, and executing the system to implement operational control of the fluctuation source path set. This invention solves the technical problems of existing technologies, such as difficulty in accurately locating carbon fluctuation propagation paths and lack of global and local collaborative constraint control, leading to insufficient stability in carbon operation control. It achieves accurate source tracing of substation carbon operation fluctuations and global and local dual-constraint control, thus improving the technical effect of carbon operation control stability.

The utility model provides a high altitude 1000kV substation station power supply system with higher reliability relates to substation station power supply technical field. High altitude 1000kV substation station power supply system, including station transformer I, station transformer II, spare power station transformer, first busbar I section, first busbar II section and first busbar III section, the spare power station transformer is accessed from the station, and its low voltage side is connected with first busbar II section, is equipped with the tie -in circuit breaker between first busbar II section and first busbar I section and between first busbar II section and first busbar III section respectively, is equipped with the access line I and access line II of parallel setting on the working section busbar III section, is equipped with station transformer VI on the access line I, is equipped with station transformer VII on the access line II, the access line I is connected with first busbar I section, the access line II is connected with first busbar III section, and double power automatic transfer switch is equipped between the access line II and access line I.

This application discloses a sealing device for the enclosure of a prefabricated substation, relating to the field of power equipment technology. It includes a first clamping member, a second clamping member, and an elastic sealing member. Both the first and second clamping members are disposed on the enclosure of the prefabricated substation. The first clamping member has a first receiving groove, and the second clamping member has a second receiving groove corresponding to the first receiving groove. The first and second receiving grooves enclose a receiving cavity. The elastic sealing member is disposed within the receiving cavity, and its outer diameter is larger than the inner diameter of the receiving cavity. The elastic sealing member has a wire-passing hole that communicates with the inside and outside of the prefabricated substation enclosure. The first and second clamping members are connected by an adjusting structure, which drives both the first and second clamping members to move towards the elastic sealing member. This solution can prevent sand, salt spray, and water vapor from intruding into the interior of the prefabricated substation and effectively prevent small organisms from entering.

The application provides a remote intelligent operation monitoring method and system of a smart substation, relates to the technical field of intelligent operation and maintenance of a substation, and relates to multi-source heterogeneous sensing, deep feature modeling, fault prediction evaluation and model self-optimization.The application collects electrical, environmental and meteorological data through heterogeneous sensors, constructs a structured original data set, carries out time series prediction in combination with a convolution-LSTM model, and outputs a fault probability and a confidence interval by using a Transformer fusion network, so that online early warning and response control are realized, and the application has the self-adaptive updating capacity driven by federated learning.

The utility model relates to lightning protection grounding technical field, and disclose an improved lightning protection grounding structure of transformer substation, including vertical connection stake, pressure joint and grounding conductive plate, the top fixed mounting of vertical connection stake has ear seat of grounding pressure line. The improved lightning protection grounding structure of transformer substation, through the cooperation of pressure joint and grounding conductive plate, expand the horizontal direction coverage area of grounding, improve the grounding effect, the grounding cone is inserted to the depth of soil layer through the bottom simultaneously, further improve the depth of grounding, thereby improved the effect of grounding, improved the security of grounding, the grounding cone is inserted to the hole in the ground in the process of carrying out ramming down, after ramming, first pull out the grounding cone upwards, then pour the resistance reduction material into the hole in the ground, then reinsert the grounding cone into the hole, fill the contact gap between the grounding cone and soil through the resistance reduction material, prevent the loose soil from affecting the grounding effect.

The application provides a power transformation equipment fault tripping monitoring system, method, medium and program product, and relates to the technical field of power grid fault processing. The monitoring system comprises: a data acquisition system, configured to acquire system operation data of a power grid system; if it is detected that the system operation data contains alarm information of a target substation and position change information of a switch in the target substation, the alarm information and the position change information are sent to a tripping judgment system; the tripping judgment system is configured to determine whether there is an operation and maintenance record corresponding to a time stamp; if not, it is determined that the switch has failed tripping, and the time stamp and a target switch identifier of the switch are sent to a tripping analysis system; the tripping analysis system is configured to determine system operation data of the target substation within a first preset time length corresponding to the time stamp according to the target switch identifier, and generate a fault tripping report of the switch. The application improves data collection efficiency, automatically realizes research and judgment of fault tripping, and further improves fault troubleshooting efficiency and fault processing efficiency.

The application belongs to the field of cable detection, and discloses a low-voltage cable comprehensive line searching device, which comprises a transmitter and a receiver; the transmitter comprises a power module, a modulation unit, an oscillation unit, a chopping unit, a voltage transformation unit, an isolation protection unit and an output unit; and the receiver comprises a cable identification sensor, a path detection sensor, a line searching signal detection unit, a power supply unit, a filter amplification unit, a power amplifier unit and an acoustic surface output unit. The device integrates cable path testing, cable identification and cable core line searching functions, and is lower in cost, portable and simple to operate, compared with the traditional cable path tester and cable identification instrument which are single-function devices, and can quickly solve the cable line inspection function and identification task in the transformer substation, complete the accurate cable line searching work, improve the work efficiency of the transformer substation cable inspection and replacement, and reduce or even eliminate the safety risk of the transformer substation reconstruction and expansion construction.

This application relates to the field of power distribution system technology, and in particular to a testing method and system for substation measurement and control devices based on neural networks. The method includes: constructing a full-link signal topology map of the substation; extracting the correlation features of each signal node from various types of configuration files; inputting the full-link signal topology map and correlation features into a pre-trained graph neural network, which matches signal node pairs to obtain matching point pairs, and generating a test sequence consisting of simulated excitation signals and expected response information based on the matching point pairs; triggering the corresponding simulated excitation signal according to the test sequence, acquiring feedback signals in real time, comparing the feedback signals with the expected response information, and determining the test results. This application effectively reduces the manual burden of testing substation measurement and control devices and improves test accuracy.