739 results about "Wiring diagram" patented technology

A tool for the analysis of heating, ventilation and air conditioning (HVAC) systems, methods for performing various analyses of an HVAC system with the tool, and a computer executable program used by the tool to perform the analyses are disclosed. The tool includes a processing machine, a database, a memory device having a software program executable by the processing machine, and a display device. The database stores information on each of a plurality of HVAC components and the software program is configured to identify and access information pertaining to at least one HVAC unit in an HVAC system from the database and is configured to generate a wiring diagram using the accessed information from the database that is displayed to the display device.

The invention relates to a grid line loss monitoring and analyzing system, which utilizes data in an electric power automation system to perform real-time monitoring and analysis on grid line loss. The system comprises a data acquisition server, a database and an application server, wherein the data of the electric power automation system is connected with the data acquisition server through an FTP server and a data access interface; the data acquisition server comprises a data acquisition module and a line loss computation module; the database comprises an EMS data sheet module, a TMR data sheet module, a meteorological data sheet module and a line loss sheet module; and the application server comprises a basic data management module, an actual line loss analysis module, a theoretical line loss analysis module, a line loss comparative analysis module, a line loss statistical report module, a system configuration module, a user management module and a wiring diagram navigation module. By utilizing the conventional electric power automation system effectively, the line loss management level and working efficiency are improved, and a scientific basis is provided for the formulation and implementation of loss reduction measures.

The invention relates to an automatic switching system from a geographical wiring diagram of a distribution network to a single line diagram; the system comprises a vector drawing tool of a single line diagram of a distribution network, which faces to a graphic object; the system also comprises a point arc model data structure, a breadth-first ergodic topology algorithm, an electrical primitive layout based on labyrinth algorithm, and elimination of primitive or line overlapping and intersection. A distribution network model based on CIM is proposed on the basis of geographic information of the distribution network by combining the vector drawing tool of the single line diagram of the distribution network, and automatic switching from the geographical wiring diagram of the distribution network to the single line diagram is realized according to the geographical wiring diagram of a distribution network to a single line diagram among geographical wiring diagram equipment by the labyrinthalgorithm and the method of eliminating overlapping and intersection method, thereby greatly reducing the working load of maintenance personnel of the single line diagram, eliminating the hidden trouble of inconsistence of data and diagram and improving the working efficiency of distribution departments and reliability of a power system in the practical application.

The invention discloses a method for organically correlating primary and secondary system connection diagrams of an intelligent substation. The method comprises the following processes: establishing a primary system model of the substation; establishing a secondary system model of the substation; correlating the secondary system model with the primary system model; and displaying a main wiring diagram of the substation after the correlation. According to the method, the primary system model is correlated with the secondary system model by configuring measurement parameters and switch parameters through interval partitioning of a primary main wiring diagram drawing process and voltage level based interval partitioning of a secondary IED model, so that the range of correlating and matching selected IED devices is greatly reduced, the rate of correlating primary and secondary systems is greatly increased, and the correlation process is more efficient and simpler.

The invention relates to an SVG technology-based distribution network modeling system. The single-line diagram of the distribution network modeling system is generated according to the following steps: SVG entities are respectively constructed with different patterns according to different types of distribution network structures contained in a distribution model; according to the branch information contained in a distribution network wiring diagram, the basic branch entities of an SVG topological diagram are constructed; node entities and branch entities are respectively constructed with different colors and solid and dotted patterns according to operating states; the entity shape of each equipment in a distribution network is customized in advance; the data of a power grid model are accessed and read; and the single-line diagram of the distribution network is formed by merging, and a closed loop model is automatically generated. The SVG-based pattern vector display technology disclosed by the invention can efficiently and visually display distribution network wiring diagrams in real time. The SVG technology-based distribution network modeling system can effectively increase working efficiency and provide a variety of appropriate topological diagram display modes for users, and is used in various power grid analysis works.

A computer implemented method, apparatus, and computer usable program product for illuminating faults in a wiring system. The wiring system is monitored for a fault during operation of the wiring system. In response to detecting the fault, a location of the fault within the wiring system is estimated. A wiring diagram is presented for the wiring system with an indication of the location of the fault within the wiring system.

The invention relates to a power distribution network fault diagnosis system based on topology knowledge and a method. The system comprises a resource layer, a knowledge layer and a diagnosis layer. The resource layer comprises a fault oscilloscope, a monitoring terminal, a distribution equipment machine account, a topology file and a database. The monitoring terminal is used for collecting switch state information after a fault. The fault oscilloscope is used for obtaining waveforms after the fault. The topology file is used for providing an electrical wiring diagram of a whole electrical network. The distribution equipment machine account is used for obtaining operation conditions in the fault of power distribution equipment. The knowledge level comprises a knowledge base providing information for the diagnosis layer. The diagnosis layer comprises a fault diagnosis server. The fault diagnosis server is provided with a fault diagnosis program module. According to the method, topology knowledge formation and fault diagnosis are realized through the above system. The system and the method can carry out fault analysis after the fault and provide references for operation personnel, so that manpower, financial resources and time are saved. In addition, the system is highly efficient and rapid in operation, and the usage effect is good.

The invention provides a visual relay protection setting calculation system and method, and relates to the field of relay protection. According to the using characteristics of power consumers, the visual setting calculation system integrated multiple functions is developed and comprises a man-machine interaction interface module, a calculation module, a data management module and a report generation module. The visual relay protection setting calculation method comprises the steps that drawing of a geographical wiring diagram is finished, a network topology structure is formed by the geographical wiring diagram, node numbering and branch node numbering are automatically finished according to the geographical wiring diagram, and short-circuit calculation is carried out by calling essential data; a setting calculation principle and a formula are stored in the calculation module, stand-by data are formed according to the setting calculation principle, system setting calculation data are formed by the stand-by data and the essential data, and the system gives an alarm when a protection constant value is larger than a set threshold value; finally, a report is generated by calculation results to be output. According to the visual relay protection setting calculation method, short-circuit calculation results are directly called in a setting calculation part, the calculation time can be saved, the report can be singly generated by the calculation data of each module, and subsequent analyzing and processing can be conveniently achieved.

The invention provides a graphical intelligent transformer substation pattern design method based on computer-aided design (CAD), which is characterized in that two functional modules including a graphical edit module and a model edit module are arranged in the CAD; the graphical edit module is used for drawing a conventional drawing and expanding attribute definition functions; the model edit module is used for finally generating a model file and supporting the high-order functions of importing, exporting, editing and verifying files and the like; and the graphical edit module and the model edit module carry out sharing operation on model information by accessing an extensive makeup language (XML) database interface. In the graphical intelligent transformer substation pattern design method based on the CAD provided by the invention, by developing graphical model design software based on the CAD, the design and the system of the intelligent transformer substation are integrated, thus not only realizing to carry out first and second wiring diagrams of the conventional transformer substation in the design, but also finishing the complete data model configuration of the whole substation and data stream connection of the transformer substation according to the interface control document (ICD) model files provided by equipment manufacturers and the configuration principle of the first and second equipment of the transformer substation.

The invention relates to the technical operating field of intelligent substation operation and maintenance, and especially relates to an intelligent substation primary-secondary equipment state information visual displaying method based on configuration files and the G language. The visual displaying method is suitable for intelligent substations adopting the IEC 61850 standard. According to the invention, a main wiring diagram and a spaced wiring diagram of primary equipment are automatically generated in dependence on the configuration files of the intelligent substation, by associating an intelligent terminal, a merging unit and a protection device with each other, the primary equipment and secondary equipment of the intelligent substation are organically connected and visually displayed, the application field of the configuration files is expanded, the topological relation between the primary equipment and the secondary equipment and state information of the primary equipment and the secondary equipment are visually displayed in a graphical manner, operation and maintenance of the equipment are convenient, and the safety control level of the intelligent substation is improved.

A chart-model integrated transformer substation and dispatch master station cooperation modeling method comprises an environment establishing stage and a model establishing stage. According to the method, transformer substation model establishing in a chart-model integrated mode, whole network model integrated processing and seamless connecting can be achieved. On a transformer substation side, a chart-model integrated transformer substation model can guide out transformer substation configuration files which are used for a 61850 transformer substation to carry out configuration. On a master station side, a chart-model integrated power grid model can guide out a CIM, a CIM/E data model, an SVG, a G format transformer substation graph and a geography wiring diagram. The fact that a power grid primary equipment model, a power grid secondary equipment model and graph information are maintained at a transformer substation source end and shared in the whole network is achieved, the shortcoming that currently, the master station side carries out repeated modeling and maintaining on the transformer substation model and the graph is overcome substantially, repeated modeling error probability and production cost are lowered, the consistency and the operability of the power grid model are improved, and accordingly IEC 61850 and IEC61970 standard systematization application is promoted.

The invention provides a power distribution network overall planning method and system. The power distribution network overall planning method includes the steps: 1) dividing power supply areas; 2) determining the power supply area attribute and the planning strategy; 3) carding the present situation of grids; 4) predicting load; 5) determining the planning target; 6) dividing the power supply grids; 7) planning a power supply grid present situation wiring diagram and a target wiring diagram; 8) determining the planning scheme and the transitional scheme; 9) forming concrete implementation projects; and 10) compiling the line channel planning. The power distribution network overall planning method and system can systematically guide planning and construct a medium voltage power distribution network rack so as to guarantee reliability and firmness of the medium voltage power distribution network. The power distribution network overall planning method and system can construct a power distribution network with necessary capacity margin, proper load transferring capability, certain self-healing capability and emergency processing capability, and reasonable distributed power supply admission capability, and can safely, reliably and economically supply power for the user.

Provided is a correlation method of a primary wiring diagram and a secondary system logic connecting diagram of an intelligent substation. The method includes following processes: analyzing an SCD configuration file, obtaining secondary system basic information of the substation, and building a secondary system model of the substation; building a primary system model of the substation corresponding to the secondary system model; performing level division of IED equipment, and performing one-to-one parameter and channel configuration of primary system parameters and a data set in the secondary system IED; and performing simulation operation based on the primary system model, and displaying a substation main wiring diagram after the correlation of the secondary system model. According to the method, the problem of configuration of measuring parameters and switch parameters in the main wiring diagram is solved, primary and secondary equipment data closed-loop technical systems are established, the function of highly-visualized correlation analysis and debugging of the intelligent substation is realized based on the systems, the range of the selection of the IED equipment via correlation pairing is reduced, the correlation rate of the primary and secondary systems is increased, and the correlation process is more efficient and concise.

The invention relates to the technical field of secondary device configuration displaying of an intelligent substation, in particular to a high-visualization display method for secondary device configuration of the intelligent substation. The high-visualization display method comprises the following specific steps: firstly, intelligently analyzing SCD (Serial Cryptographic Device) files; secondly, automatically generating a wiring diagram of equipment and a network; thirdly, automatically generating a logic connection diagram among the devices; fourthly, realizing step-by-step and hierarchical display of logic connection by means of interacting with users. According to the high-visualization display method disclosed by the invention, high-visualization and high-interaction display for the configuration of the intelligent substation is realized by using an intelligent processing algorithm and a novel display means, so that an information model supported by the devices, a communication interface between every two devices and the logic connection among the devices are clear at a glance, further relevant persons in the substation can quickly grasp service conditions in the substation, and the operation efficiency and the maintenance efficiency of the substation can be improved to a great degree.

The invention provides a system for automatically generating a single-wire tidal current diagram of a large-screen power transmission network during power scheduling, which relates to the field of the automation of the power scheduling. At present, the single-wire tidal current diagram is mainly drawn artificially, but with the continuous increase of transformer stations and lines, the task of drawing a wiring diagram of the power transmission network with the help of manpower is more and more difficult, and a generated scheduling large-screen wiring diagram presents more and more crowded and disorder states and brings difficulties to scheduling operators to distinguish. The system comprises a data reading module, a data maintenance and management module, an electric power system resource query module, a diagram generation module, a diagram query module, a diagram output module and a system management module. The system fulfills the aim of automatically generating the single-wire tidal current diagram and solves the problems of low efficiency and easy errors caused by relying on manual diagram drawing for a long time.

Disclosed is a method for visually showing power grid dispatching businesses. The method includes that a power grid three-dimensional model module is established on the basis of power grid geographic information; the power grid geographic information is subjected to three-dimensional layering to obtain a three-dimensional layered module; the power grid geographic information is subjected to virtual reality operation to establish a three-dimensional electronic sand table; the power grid dispatching can be visually shown through the power grid three-dimensional model module, the three-dimensional layered module and the three-dimensional electronic sand table. A real sand table is changed to the virtual three-dimensional sand table, and thereby, internal omni-directional show can be achieved; compared with plane tidal current diagrams in the prior art, a three-dimensional layered tidal current diagram is wider in shown latitude; a traditional plane wiring diagram is made into a three-dimensional wiring diagram, the showing effect is clear, and situations in the field can be truly reflected.

The invention discloses a differential principle based large-scale power grid intelligent trouble diagnosis method. The differential principle based large-scale power grid intelligent trouble diagnosis method comprises fault recording sampling, calculation of a phase current differential value with electric transmission and transformation equipment serving as a unit when the power grid normally operates, differential current calculation of primary current of the power grid equipment with power grid independent equipment serving as a calculation unit according to the fault data transmitted by a fault recorder and comparison of the differential current value and a differential current setting value to judge whether out-of-limit or not. The differential principle based large-scale power grid intelligent trouble diagnosis method has the advantages of being wide in applicable range and accurate in judgment, allowing automatic medical result push, not being influenced by factors such as a system operation mode and system oscillation and the like due to the fact that a fault position is accurately and quickly positioned according to the differential principle and a medical result is automatically pushed in a main wiring diagram.

The invention relates to an automatic generating method of an electric network station wiring diagram, which comprises the following steps of: a. establishing an interval model database, wherein the interval model database comprises all types of interval models in a station, each interval model is the most complete interval, each element equipment in the interval models is related to a check box, and the check box is used for numbering the related element equipment and supplying an operation interface for deleting the related element equipment; b. when the diagram is generated, selecting the interval model corresponding to the voltage grade of the station from the interval model database; and if the interval model needs to be modified, deleting the related and undesired element equipment by setting the check box, connecting the residual element equipment according to an interval wiring rule, and generating the corresponding electric network station wiring diagram. The invention realizes the function of automatically generating the diagram; the station wiring diagram can be automatically generated by a user through only simple selection and character input, the method saves time and labor, and the work efficiency is greatly improved.

The invention discloses a method for automatically generating a vector graphics of an intelligent transformer station. The method comprises the steps of: processing a single equipment graphics primitive and an interval graphics primitive respectively aiming at a primary wiring diagram of the transformer station, storing the graphics primitives in the primary wiring diagram into a local graphics primitive list and mapping the local graphics primitives to graphics primitives of a target system device by adopting a mapping method so as to form mapping graphics primitive pairs; when processing the interval graphics primitives, identifying interval graphics primitives corresponding to the target system, matching the interval graphics primitives and forming the matching results into matching pairs of the interval graphics primitives; storing graphics primitive information of the mapped graphics primitive matching pairs according to an XML (Extensive Makeup Language) format; replacing the graphics primitives of the primary wiring diagram of the intelligent transformer station into target graphics primitives according to the mapping method and adjusting the size of the target graphic primitive according to the original diagram; and deriving the vector graphics to finish the graphics customization, transmitting the vector graphics to a scheduling system at each level for importing so as to finish the sharing a graphics document. The primary equipment graphics primitive is quoted in the graphics generated by the method, and the mapping and replacement of a single graphics primitive is supported; and the method for automatically generating the vector graphics of the intelligent transformer station has relatively strong generality.

The invention relates to a method for realizing an unattended substation networking five-defense block system, which specifically comprises the following steps: 1. establishing a system network; 2. and establishing a system interface: (1) establishing a graphic display and processing COM module; (2) adopting FTP documents to upload or download to keep the graphic data synchronization mainly by the method of transferring local graphic data; (3) and establishing standard communication stipulations between the five-defense block system and the computer key. The invention has the beneficial effects that a networking five-defense block management platform is established to realize five-defense block function; the unity of once wiring diagram graphic data and the information sharing between an electric transmission and transformation geographical information system and the five-defense block system substation are realized; and the download and pass back of the computer key data between the five-defense block system and a plurality of manufacturers is realized based on the standard communication stipulations between the five-defense block system and the computer key.

The invention provides an intelligent substation intelligent terminal analog device and a using method thereof. The analog device comprises a human-computer interaction module, a data processing module, a sending and storing RAM, an MII sending module, a receiving and storing RAM, an MII receiving storage module and a multi-path light Ethernet physical circuit module. The using method comprises the following steps of (1) extracting position virtual terminals and information of switching equipment, (2) setting numbers and position initial values of the switching equipment, (3) displaying a wiring diagram in a graphic mode or displaying the switching equipment in a list, (4) setting mapping of a circuit breaker tripping virtual terminal, a circuit breaker switching signal virtual terminal, a switching equipment remote control signal virtual terminal and a switching equipment operation locking signal virtual terminal, (5) sending a GOOSSE report and (6) turning off the substation intelligent terminal analog device. The device is simple in debugging and high in efficiency, a large number of intelligent terminals are not needed, investment is saved, the service life of the switching equipment is prolonged, and the workload and labor intensity for turning on and off on-site switching equipment are greatly lowered.

The invention relates to a power distribution network dispatching management statistical analysis system. The system includes a first second server, a second server and a switch, wherein the first server and the second server are respectively connected with the switch; the switch is connected with a business module which performs examination, approval and implementation of applications, work ticket, instruction ticket and fault processing, new equipment commissioning and operation, power supply guarantee, examination, approval and release of wiring diagram change, and mode change, and inquires, prompts and processes businesses required to be processed on duty, a recording module which enables an on-duty dispatching to record business processing records in the form of sequential events and performs power outage and electrification operation, fault processing, new equipment commissioning and operation, operation mode change, operation ticket and instruction ticket information. With the power distribution network dispatching management statistical analysis system of the invention adopted, informationized, automated and networked management and monitoring on the operation of power distribution network dispatching can be realized. The power distribution network dispatching management statistical analysis system can perform computerization management on data such as dispatching, automation, communication, operation and relay protection.

The invention discloses an intelligent voice auxiliary system for dispatching. The system comprises a system management module, a man-machine voice interaction platform module, a power grid wiring diagram navigation module, a voice-to-templated dispatching log module and a dispatching voice text management module. The intelligent voice auxiliary system for dispatching has the beneficial effects that the advanced voice recognition technology is fully utilized, the functions of dispatching information recording, voice navigation and the like are achieved, and the intelligent level of dispatchingtelephone voice and power grid dispatching management is improved; the system constructs a dispatching man-machine voice interaction platform, realizes automatic recognition of dispatching voice, automatically analyzes the dispatching voice into text characters, and provides a bottom layer basis for other functions of dispatching resource navigation and the like of voice recognition.

The invention relates to a power grid equipment monitoring oriented multi-subject intelligent integrated alarm analysis method which comprises the steps that (1) alarm information is subscribed, and classified by taking an interval as a unit; and (2) when a certain interval is accessed, the following subject data is provided for selection: 1) corresponding wiring diagram data is obtained according to the accessed interval; 2) holographic telemeasuring data of a key parameter of the interval within a period before and after the generated time of the alarm information is acquired according to the interval to which the alarm information belongs; 3) the latest alarm information of the interval is obtained according to the interval to which the alarm information belongs; 4) listing information of the interval is obtained according to the interval to which the alarm information belongs; and 5) equipment electric parameter static information and equipment overhaul records of the interval are obtained according to the interval to which the alarm information belongs. The multi-subject analysis and statistical method provides a quicker and richer means for dispatching automation personnel to check and analyze the alarm information generated during power grid running and for overall monitoring on equipment.