87 results about "Virtual circuit" patented technology

The invention provides a substation secondary circuit label intelligent management system comprising a virtual and real circuit mapping module used for analyzing an SCD file and information logic diagram data and establishing an association relationship between a virtual circuit and a physical circuit; the intelligent label generation module is used for generating an intelligent label containing a dynamic two-dimensional code based on the physical connection model and the virtual loop model; the label analysis and display module scans the two-dimensional code through a mobile terminal to realize linkage visualization of virtual and real loop information; and the multi-source database module is used for storing a physical equipment hierarchical model, a virtual loop configuration table, an information logic path table and a label coding rule. According to the system, association matching of the secondary loop and the virtual loop is realized by analyzing the SCD file, rapid query and visual display of information are realized by means of the intelligent label, and association matching of the secondary loop and the virtual loop is realized by means of the port number, so that the virtual-real corresponding relation of the secondary loop and the virtual loop is realized. Through intelligent management and application of the labels, the accuracy and efficiency of operation and maintenance work are improved.

The invention relates to the technical field of circuit assembly type selection, and particularly discloses an optimized matching circuit assembly rapid type selection method and system, which are applied to a circuit assembly characteristic database, and comprises the following steps: obtaining electrical parameter information corresponding to a plurality of candidate circuit assemblies; a virtual test model is constructed based on the electrical parameter information, virtual circuit operation is carried out based on the virtual test model, virtual operation information is generated, and the virtual operation information comprises a plurality of virtual dynamic operation parameters corresponding to a plurality of preset test time points; and obtaining operation performance information of virtual circuit operation according to the virtual operation information. According to the method, in the evaluation link, the voltage, temperature, power and other parameters are subjected to normalization processing, the multi-dimensional correlation change parameters are generated, the problem that traditional model selection neglects the component performance correlation relation is solved, the comprehensive performance of the component in a complex scene can be accurately evaluated, and a comprehensive basis is provided for model selection.

According to the intelligent substation virtual circuit checking rule base construction method and system provided by the invention, the intelligent substation virtual circuit checking rule base is quickly constructed through sample learning, the risk of incorrect protection action caused by virtual circuit errors is reduced, and the safety and stability of a power grid are improved; the intelligent substation virtual circuit checking rule base construction method comprises the following steps: step 1, creating an intelligent substation virtual circuit checking rule model; step 2, acquiring an intelligent substation configuration file sample; 3, analyzing a configuration file sample of the intelligent substation, and extracting a relation topology; 4, searching whether the extracted attribute tag and the relation topology exist or not, and returning a search result; 5, if the retrieval result responds, rule creation is not carried out; step 6, if the retrieval result is not responded, checking by an expert; and step 7, instantiating the secondary equipment entity virtual loop checking rule model of which the retrieval result does not respond to the secondary equipment entity virtual loop checking rule model, and generating a virtual loop checking rule.

The invention discloses a transformer substation virtual-real full-loop model information association method, system and device and a medium. The method comprises the following steps: establishing association mapping between a signal sending element and a signal acquisition element of an access cable; the signal acquisition element comprises secondary equipment in process layer equipment; establishing association mapping between the secondary equipment in the process layer equipment and the process layer in the spacer layer equipment through the process layer in the process layer equipment; establishing association mapping between a process layer in the bay level equipment and a station control layer in the bay level equipment; and the station control layer in the spacer layer equipment sends a signal to the station control layer equipment through the communication network. According to the technical scheme, through establishing virtual-real full-loop model information association of the secondary equipment, full-loop connection is completed, and the problems that signals of an existing transformer substation loop, a virtual loop and a station control layer are relatively independent, the signals cannot be in full-loop connection, and technical applications such as real-time anomaly analysis and fault diagnosis cannot be jointly developed can be solved.

The invention relates to the technical field of intelligent substations. The invention specifically relates to an automatic verification method and system for a reconstruction and expansion virtual loop of an intelligent substation. The method comprises the steps that a standard terminal library is established, and a tSCD library is established according to the standard terminal library and reorganized and expanded SCD files passing examination; acquiring a first type of IED and a second type of IED; respectively calculating the minimum unit feature code of each IED in the first type of IEDs in the SCD file before reconstruction and extension and the SCD file after reconstruction and extension to be verified, so as to obtain the first type of IEDs of which the minimum unit feature codes are changed, and marking the first type of IEDs as the IEDs to be verified; and selecting a tSCD file matched with the to-be-verified reconstructed and expanded SCD file from the tSCD file library, and verifying the to-be-verified IED of the to-be-verified reconstructed and expanded SCD file. By adopting the automatic verification method for the reconstruction and expansion virtual loop of the intelligent substation, the efficiency of automatic verification of the virtual loop can be greatly improved on the basis of guaranteeing the verification accuracy.

The invention provides a network construction type energy storage online parameter identification virtual circuit closed-loop modeling method and system, and relates to the technical field of power system optimization control and modeling, and the method comprises the steps: building a black box model according to a signal interaction relation between a network construction type energy storage control system and an electrical system; based on the PWM pulse signal output by the black box model, calculating the internal potential of the network-forming energy storage equivalent power supply of the virtual circuit; establishing a mathematical relationship between the internal potential and terminal voltage, impedance, load power and disturbance power to obtain a virtual circuit; taking the control signal output by the black box model as an input signal of the virtual circuit model, taking the electrical quantity signal output by the virtual circuit model as an input signal of the black box model, and establishing a closed-loop identification model; and online parameter identification is realized through a prediction-correction-update rolling optimization strategy. According to the invention, an identification model based on an equivalent circuit is improved to be based on a virtual circuit, and the flexible adaptation and identification capability of a complex power grid scene and an operation state is comprehensively improved.

The invention belongs to the technical field of large-scale power grid safety guarantee, and particularly relates to a secondary virtual loop intelligent checking method and system based on a substation configuration file. According to the method, an electrical information fusion graph fusing primary wiring and secondary functions is constructed by analyzing a substation configuration file; secondly, performing reverse tracing to form an independent virtual loop causal chain aiming at an execution outlet node; calculating a full-link time sequence deviation of each virtual loop causal chain; and finally, performing weighted summation on respective time sequence deviations of a plurality of causal chains which are gathered at the same outlet and have mutually exclusive starting end function logics to obtain comprehensive risk weighted time delay, and judging whether virtual loop configuration conflicts exist or not according to a comparison result of an index and a preset threshold value. According to the method, accumulated time delay risks can be found, and hidden deep logic configuration conflicts among different functions can be identified and quantified, so that the substation configuration file checking depth and precision are remarkably improved, and the safety of large-scale power grid operation is ensured.

The optical virtual-circuit-switching network system includes a plurality of optical switches, each including an optical upload module, an optical download module, an optical pass-around module, and an optical fiber connection module. The optical upload module receives uploaded optical signals from the top-of-rack switch, selects the appropriate route and wavelength, and then transmits them to the optical fiber connection module. These signals are then transmit through the optical fiber connection module to the vertically connected optical switch or horizontally connected optical switch. The optical download module receives the optical signals from the vertically connected optical switch and the horizontally connected optical switch, selects and combines these optical signals so as to download them to the top-of-rack switch. The optical pass-around module, along with the optical fiber connection module, is used to redirect the optical signals from horizontal to vertical or from vertical to horizontal.

In one example, a cloud-based services exchange comprises a plurality of interconnection assets configured to connect a customer of the cloud-based services exchange to one or more cloud service providers, the plurality of interconnection assets including a virtual circuit by which the customer accesses a cloud service from the one or more cloud service providers; and an orchestration engine configured to modify the plurality of interconnection assets.

The invention belongs to the technical field of power system automation and relay protection, and particularly relates to a secondary circuit abnormity alarm reverse query method and system based on drawing recognition and virtual-real mapping. Millisecond-level reverse query and drawing second-level retrieval labeling of secondary circuit abnormal warning are achieved, GOOSE, SV and MMS virtual circuits and physical circuits such as cables, optical fibers and terminal strips in the IEC 61850 environment are covered, and the problems that in the prior art, warning positioning is slow, drawing retrieval is difficult, and labeling information is lagged are solved.

The present application relates to the technical field of intelligent substation configuration file checking, and particularly relates to a virtual terminal classification and checking method, which comprises the following steps: obtaining target virtual terminals in an engineering ICD file and device types connected with each target virtual terminal; converting the target virtual terminals according to a preset mapping relationship to obtain standard virtual terminals corresponding to each target virtual terminal; and determining virtual connection types described by each target virtual terminal according to the device types connected with each target virtual terminal and the standard virtual terminals corresponding to each target virtual terminal. The present application has the beneficial effect of proposing a strategy for classifying standard virtual terminals, and adapting checking strategies based on different categories of standard virtual terminals, effectively solving the problem of adapting different strictness checking strategies for different types of virtual circuits, and avoiding false reporting of invalid errors.

The invention relates to the technical field of power panel detection, and particularly discloses a PLC electric signal relative coordinate calibration method and device and a freezer power panel thereof. The method comprises the following steps: judging whether the power panel is located at a detection station or not through the position detection unit; if yes, executing a PLC electric signal discontinuous test process, identifying the target electronic element based on the first probe contact, and obtaining charge information of the target electronic element; mapping the element and the charge information thereof to a preset relative coordinate model; performing convolution kernel operation and loss entropy judgment on the charge information through a Transform neural network layer in the model to obtain a virtual circuit loop containing the current charge quantity and a direction vector; and finally, performing compliance judgment on the loop parameters and outputting a calibration result. According to the method, through combination of accurate positioning, intelligent signal acquisition, space coordinate mapping and deep learning analysis, dynamic and deep detection of the circuit state of the power panel is realized, hidden faults such as pseudo soldering and parameter drift can be effectively identified, and the automation degree, precision and reliability of detection are remarkably improved.

The present invention discloses a method for generating a standardized SCD file test report based on correctness checking. Based on the concept of a CRNN model, the CNN and RNN parts in the CRNN model are improved into a Transformer model and an LSTM network model, respectively, ultimately generating a standardized SCD file test report. The present invention can save a large amount of manual and tedious work, maximize the templateization of repetitive work, automate variable work, improve work efficiency, and realize fully automatic inspection of secondary equipment configuration and virtual circuit connection, as well as automatic generation of SCD file standardized test reports. This effectively improves the SCD file review and inspection efficiency of smart substations, increases the comprehensiveness and accuracy of the review, and reduces the time required for virtual circuit inspection of secondary equipment.

This application provides a semiconductor structure and a method for forming the same. The semiconductor structure includes: a semiconductor substrate with a first insulating layer formed on its surface; a gate signal conditioning circuit and a virtual circuit disposed on the surface of the first insulating layer, wherein the gate signal conditioning circuit and the virtual circuit have identical structures; one end of the gate signal conditioning circuit is connected to a gate signal source, and the other end is connected to the gate of a device cell, wherein the gate signal conditioning circuit is used to adjust the resistance between the gate signal source and the gate of the device cell; one end of the virtual circuit is connected to a virtual gate monitoring signal terminal, and the other end is connected to a virtual gate monitoring ground terminal, wherein the virtual circuit is used to simulate the operation of the gate signal conditioning circuit and is monitored.

The invention discloses a closed-loop automatic verification method and device for a secondary virtual loop of an intelligent substation, and relates to the technical field of power system automation. Comprising an SCD analysis module, a virtual loop library, a process level and station level association library, a simulation protection module, a simulation monitoring background, a simulation intelligent terminal, an automatic control module, a data analysis module and a verification result export module. According to the closed-loop automatic verification method and device for the secondary virtual loop of the intelligent substation, a process layer and station control layer association mapping library is established, a closed-loop verification environment is formed based on equipment such as a simulation monitoring background, an intelligent terminal and a protection device, a test case is automatically generated, and automatic verification of the secondary virtual loop of the intelligent substation is realized through a closed-loop automatic control module technology. Closed-loop automatic verification of the secondary virtual loop of the intelligent substation is realized, manual operation is reduced, and manual acceptance is converted into automatic acceptance, so that the purpose of quickly realizing automatic acceptance of the secondary virtual loop of the intelligent substation is achieved.

A client device is fabricated using a semiconductor fabrication process. One or more uncontrollable random physical processes in the semiconductor fabrication process can cause small differences between the client device and other client devices. When the client device is presented with a challenge from a server device, the client device generates a random response that depends on its physical properties. The server device stores this random response as a part of a virtual PUF circuitry storage device having other random responses from the other client devices. The server device uses the random response of the client device stored in the virtual PUF circuitry storage device for one or more encryption algorithms to encrypt information to be provided to the client device.

The invention provides a method and a device for testing connectivity of stacked chips, a fusion layout is obtained based on layouts corresponding to a plurality of stacked chips, and when it is determined that a direct connection link exists in the fusion layout, a virtual circuit is added in the direct connection link, so that the connectivity of the stacked chips is tested. And checking the connectivity among a plurality of chips corresponding to the fusion layout added with the virtual circuit. Wherein the direct connection link can be a link formed by connecting a plurality of pins which are not connected with the semiconductor device, and if a virtual circuit is added in the direct connection link to enable the direct connection link to be connected with the virtual circuit, the plurality of pins forming the direct connection link can be used as a plurality of ports of the virtual circuit, so that the direct connection link can be connected with the virtual circuit. Therefore, whether effective electric connection is realized among the ports can be accurately identified during verification, so that the accuracy of connectivity test among the chips can be improved.

The invention discloses a converter voltage support type network construction control method, which can realize a rapid voltage support function of a converter, and comprises the following steps: a pre-synchronization control module calculates and obtains d-axis and q-axis voltage initial values through voltage amplitudes and phases at two sides of a grid-connected circuit breaker, and pre-synchronization of the voltage amplitudes and phases of the converter is realized; the active power control module and the reactive power control module respectively calculate q-axis and d-axis reference values of the internal potential so as to control the output active power and reactive power of the converter; the virtual impedance calculation module automatically adjusts a virtual impedance value according to an internal potential reference value and a power grid voltage measurement value, so as to realize the functions that the virtual impedance is constant in a steady state and the virtual impedance is increased to limit short-circuit current after a fault; the virtual circuit module calculates virtual impedance voltage according to the relation of impedance, voltage and current under a d-axis coordinate system and a q-axis coordinate system; and the internal potential reference value and the virtual impedance voltage are added and then subjected to Park inverse transformation to obtain a three-phase voltage reference value of the converter, and finally, a trigger pulse of the converter is obtained through a PWM (Pulse Width Modulation) generation module.

The present invention discloses a configuration-free testing method and apparatus for a dynamic mold system for cross-interval equipment expansion and renovation. The method comprises: constructing a primary system and a secondary system for the dynamic mold system for configuration-free testing of cross-interval equipment expansion and renovation; configuring an SCD file for the primary system according to the principle of long-term maximization configuration; configuring the secondary system using the SCD file, and performing a fault simulation on the dynamic mold system to verify the correctness of the virtual circuit; if the verification passes, renovating and expanding the dynamic mold system, performing a fault simulation on the renovated and expanded dynamic mold system, and verifying the correctness of the virtual circuit, thereby determining the configuration-free testing result of the renovated and expanded dynamic mold system.

The invention discloses an on-line verification method and system for a virtual loop in the interval-by-interval transformation transition period. Multiple pieces of verification information in a first virtual loop in the interval-by-interval transformation transition period are extracted through a secondary information conversion device; extracting a plurality of pieces of verification information in the second virtual loop during the interval-by-interval transformation period through the transformed intelligent device; when one piece of verification information in the plurality of pieces of verification information in the first virtual loop or the second virtual loop is changed, comparing the changed verification information with other pieces of verification information in the first virtual loop or the second virtual loop; and when the comparison result of the changed verification information and the other verification information in the first virtual loop or the second virtual loop is consistent, the virtual loop in the interval-by-interval transformation period passes the verification. According to the method, the configuration information change minimization of the cross-interval equipment in the transformation process of the transformer substation is realized, and the information interaction correctness and the effectiveness of the secondary loop in the interval-by-interval transformation process are ensured by checking the virtual loop in the transformation transition period.

The invention discloses an SCD file management and control method and device based on a webpage side, and belongs to the technical field of transformer substations. The method comprises the steps that a transformer substation SCD file is received at the webpage side; cyclic redundancy check codes corresponding to the IED devices in the substation SCD file are calculated respectively, and a current check code list is formed; carrying out IED characteristic cyclic redundancy check and virtual loop cyclic redundancy check on the IED devices in sequence based on a pre-stored check code list; when the cyclic redundancy check code of the substation SCD file is inconsistent with a pre-stored check code list, a preset semantic extraction model is adopted to extract semantic features of the substation SCD file, and then a change point in the substation SCD file is determined; and generating inconsistent information based on the change point, and sending the inconsistent information to the webpage interface. Therefore, by implementing the method and the device, the problems that the change of the SCD file is difficult to track automatically and the verification accuracy of the SCD file is low in the prior art can be solved.

A semiconductor device capable of preventing a sharp variation in current consumption in neural network processing is provided. A dummy circuit outputs dummy data to at least one or more of n number of MAC circuits and causes the at least one or more of n number of MAC circuits to perform a dummy calculation and to output dummy output data. An output-side DMA controller transfers pieces of normal output data from the n number of MAC circuits to a memory, by use of n number of channels, respectively, and does not transfer the dummy output data to the memory. In this semiconductor device, the at least one or more of n number of MAC circuits perform the dummy calculation in a period from a timing at which the output-side DMA controller ends data transfer to the memory to a timing at which the input-side DMA controller starts data transfer from the memory.

To provide a network device, method and system for virtualizing a network.SOLUTION: A network device 500 comprises a physical transceiver port for transferring data at a predetermined fixed data rate and a virtual circuit, wherein the virtual circuit receives a request to transfer an incoming data stream at a non-predetermined data rate and establishes a virtual port. The virtual port includes a FIFO buffer that operates as a token bucket that is periodically filled with tokens and emptied when full, selects from the physical transceiver ports a physical transceiver port having a total predetermined fixed data rate that is higher than the non-predetermined data rate, and when the token bucket of the virtual port is full, forwards the output data stream to the selected physical transceiver port to forward all tokens from the token bucket to the physical transceiver port at the predetermined fixed data rate.SELECTED DRAWING: Figure 5

The present invention discloses an electrical contact plug-in for a switch cabinet, comprising: an insulating shell, a contact locking assembly, arranged inside the insulating shell, wherein: the contact locking assembly is provided with three groups, each group of contact locking assemblies comprises a mounting cylinder, an insulating block, a mounting groove, a connecting plate, a conductive block, a driving plate, a fixing frame, a moving block, a transmission assembly and a prompt assembly, and the mounting cylinders are all embedded in the inner wall of the insulating shell. The transmission assembly can facilitate the transmission of power, facilitate the rapid completion of circuit breaking during the maintenance process, and avoid electric shock safety accidents caused by virtual circuit connection. The outer walls of the active bevel gear and the driven bevel gear are meshed and connected to each other for transmission. A ratchet is fixedly arranged on one side of the outer wall of the driven bevel gear. The ratchet can ensure that the transmission assembly will not reverse, making the connection state of the circuit unstable, and the ratchet will be blocked by an electromagnetically controlled clamping rod during the application process to ensure the anti-reversal function of the ratchet.

The present invention provides a virtual circuit generation device and method, apparatus, storage medium, and program product that can shorten the time and save labor for virtual circuit generation while improving the diversity of virtual circuits. The virtual circuit generation device includes a control unit; the control unit is configured to perform the following processing: variable setting processing, after receiving a device identifier for determining the category of a semiconductor device from a user terminal, setting multiple numerical variables related to the numerical values ​​of the components of the semiconductor device of the category indicated by the device identifier; variable selection processing, for a basic circuit associated with the semiconductor device, randomly selecting a numerical variable whose value can be changed from multiple numerical variables; variable change processing, randomly changing the value of the selected numerical variable; and virtual circuit generation processing, generating a virtual circuit based on the changed value.

The present invention discloses a method and device for automatically verifying the closed-loop of secondary virtual circuits in an intelligent substation, which relates to the technical field of power system automation, and includes an SCD parsing module, a virtual circuit library, a process layer and a station control layer association library, a simulation protection module, a simulation monitoring background, a simulation intelligent terminal, an automatic control module, a data analysis module, and a verification result export module. The method and device for automatically verifying the closed-loop of secondary virtual circuits in the intelligent substation establish an association mapping library between the process layer and the station control layer, and form a closed-loop verification environment based on devices such as the simulation monitoring background, intelligent terminal, and protection device, automatically generate test cases, and realize the closed-loop automatic verification of secondary virtual circuits in the intelligent substation through the closed-loop automatic control module technology, reduce manual operations, and change from manual acceptance to automatic acceptance, so as to achieve the purpose of quickly realizing the automatic acceptance of secondary virtual circuits in the intelligent substation.

This invention relates to the field of relay protection technology for intelligent substations, and discloses a method, system, device, and medium for automatically constructing a relay protection business model and generating virtual circuits. The method includes: acquiring substation configuration files and primary system diagrams and performing data parsing to construct a unified data model; constructing a graph database model based on node type sets and edge relationship type sets to achieve node instantiation and relationship linking; automatically generating and completing virtual circuits using a two-stage strategy combining rule inference and intelligent graph neural network completion to obtain complete virtual circuit connection relationships; and visualizing the virtual circuit connection relationships, supporting hierarchical navigation and viewing based on voltage level, wiring method, and bay. This invention significantly reduces modeling time and error probability. The generated business model and its visualization provide a solid and reliable model foundation for subsequent protection logic verification, intelligent operation and maintenance, and digital twin applications.

Based on a method and system for graphically designing a virtual loop, a terminal and a storage medium, a virtual terminal and a hierarchical structure of the virtual terminal in an ICD model corresponding to an IED device are extracted, the virtual terminal is mapped into an SCL object of a digital design platform, and the SCL object is associated with a virtual terminal input primitive and a virtual terminal output primitive; the hierarchical structure of the virtual terminal input primitive and the virtual terminal output primitive is consistent with the hierarchical structure of the virtual terminal in the ICD model; according to a virtual terminal connection relationship required by design, virtual loop connection is carried out by adopting a connecting line, the virtual loop connection direction is from a virtual terminal output primitive to a virtual terminal input primitive, and a virtual loop is designed based on graphics; and after the virtual loop is connected, writing a connection relationship between the SCL object corresponding to the virtual terminal output primitive and the SCL object corresponding to the virtual terminal input primitive into the SCD file. According to the invention, unified design of the virtual loop and the real loop is realized, and a basis is provided for digitalization of automatic design of the secondary full loop, virtual-real full-path tracing and the like.

The invention discloses an electric energy metering device determination method and device, an electric energy metering method and an electric energy meter, and relates to the technical field of electric energy metering, and the disclosed electric energy metering device determination method comprises the steps: receiving a first prompt text related to a current electric energy metering scene; processing the first prompt text by adopting a pre-trained large language model to obtain a metering device matched with the electric energy metering scene and an electric energy metering virtual circuit constructed based on the metering device; third-party simulation software is called to operate the electric energy metering virtual circuit to obtain simulation electric energy, and electric energy obtained through processing of the electric energy metering real circuit is received; if the electric energy obtained through processing of the electric energy metering real circuit accords with the simulation electric energy, the corresponding target metering device is output, the technical problem that the accuracy of the electric energy obtained through metering is low due to the fact that the selected electric energy metering device is inaccurate is solved, and the accuracy of the electric energy obtained through metering is improved by improving the accuracy of the selected electric energy metering device.

The invention belongs to the technical field of transformer power distribution systems, and particularly discloses a multi-transformer interlocking design method based on a digital logic principle, and the method comprises the steps: carrying out the analysis of a two-transformer, three-transformer and four-transformer power distribution system, and giving a logic expression of each circuit breaker based on a truth table and a Carnot diagram; then, concepts of side circuit breakers and middle circuit breakers are provided, and the circuit breakers of the multi-transformer power distribution system are divided into two categories through physical positions. Meanwhile, concepts of virtual circuit breakers and virtual transformers are provided, and side circuit breakers are also converted into intermediate circuit breakers, so that the multi-transformer interlocking design only needs to carry out analysis and discussion aiming at the intermediate circuit breakers. Finally, a double-L-shaped structure diagram is provided, the general logic relation of all the circuit breakers is given based on a logic non-expression, and the method is suitable for interlocking design of a transformer inlet wire circuit breaker and a busbar interconnecting circuit breaker. The method is suitable for interlocking design of any number of transformers, and the design process of multi-transformer interlocking is greatly simplified.