1876 results about "SCADA" patented technology

An automated server based system for monitoring, reading, controlling as well as switching gases, liquids and electric power is provided for use in remote Automated Meter Reading (AMR) industry for water, gas and electric power utilities, Supervisory Control and Data Acquisition (SCADA); Security, Safety and Fire Alarm Systems (SSFA) and Home and Industrial Automation (HIA), in connection with appliances and equipment of all kinds.

A system and method provide for the creation and operation of real-time enterprise-wide, personalize supervisory and control data acquisition systems. Personalized SCADA applications are constructed from a virtual application service and a personal agent framework using simple drag and drop operations or other high level action. The virtual application service includes a communications gateway that communicates with disparate and non-interoperable systems and external field devices to communicate low level time data collected from such systems into the application environment transforming the collected data in a single common data format. The virtual application service includes application cells that receive the reformatted data and process it to provide high level analysis and context, storing the processed data in an object server. The object server provides a unified, hierarchical object model for all of the data received from the underlying devices and systems. The virtual application service communicates with personal agent frameworks containing presentation cells and service agents. The service agents are representative of the virtual application service, and provide the personal agent framework with access to the object server to receive and send data from the object server to the presentation cells. The presentation cells subscribe to the object server's data objects via the service agent. Presentation cell provide a graphical representation and mapping of data objects and hence underlying devices and systems, to allow a user to manage and control such systems.

A system and method of recording data from a number of devices in a distributed network system in a manner adaptable for auditing the device output. The devices may include one or more control, sensor, edge, or peripheral computing devices physically separate in the distributed network system and in communication with a control server. Such distributed networks systems are common in SCADA or IoT applications. The content stream of data records output from the devices are recorded; a payload stripped stream of data records which are stripped of the payload are recorded and preferably retained by an escrow service. The metadata of the data records includes the hash value of one or more predecessor data records. The hash values are calculated based on the payload and a linkage function, preferably a cryptographic function. A comparison of hash values of the payload stripped stream and the content stream provides the audit ability.

A method and system for cyber security management of Supervisory Control And Data Acquisition (SCADA) systems is provided to enhance situational awareness and cyber security management for industrial control systems. A centralized System Security Manager (SSM) is integrated into a SCADA to collect security related data for the industrial control system and an integrated command and control user interface displays security related data, a system security level, and interfaces with a user to allows for changing of system security settings for the industrial control system based on the security related data collected and manages changes in operational state of the SCADA based on the security level to restrict use of system interfaces and system accesses.

At a first time, an authorized directive is received by the utility provider to perform an operative action for shedding load of a power system by a minimum system load value on or before a second time. The utility provider may operate the SCADA / DCS system to assist in selecting a set of circuits wherein the total circuit load value of the selection is greater than or equal to the minimum system load value. In response to circuit selection, the SCADA / DCS system selects the corresponding set of circuit breakers and consults the circuit-subscriber notification database to select a set of subscribers corresponding to the selected set of circuits. A system, product, and / or device adapted for communicating data in response to circuit selection may then be accessed by the SCADA / DCS system to communicate to the selected set of subscribers an intention of performing the operative action on or before the second time. The utility provider may then program and / or operate the SCADA / DCS system to perform the operative action upon the selected set of circuit breakers on or before said second time.

The invention provides a layered exchange and control method for real-time monitoring system data by power dispatching. A CIM / XML (common information module) / (extensible markup language) interface, a CIM / E interface and other models of the electric power subsystems are processed and combined to establish a device model of the large power grid, therefore, perfect interaction of various application data including SCADA (supervisory control and data acquisition) real-time data, WAMS (wide area measurement system) data, EMS (enhanced message service) advanced application data and dynamic security analysis warning information can be realized, and power system control commands among the systems can be smoothly transmitted and executed. A data acquisition and exchange function can support multiple communication protocols, multi-application, multi-type and large amounts of data, satisfy the real-time requirements of all transmission environments, and provide comprehensive multi-scale real-time operation information of the power grid for other application analysis systems. A close integration mode is used to realize application integration and each subsystem and application can be monitored and managed, so a uniform access interface and a man-machine interface can be ensured to provide for each application system.

An automated management system for managing data, outage repair, load switching, job workflow and crew dispatching, crew workflow, installation, maintenance and restoration of utility services by integrating geographic information systems (GIS) data with many other data sources so as to gather, transform, manipulate, analyze, and produce desired information for continuously supplying utility and relevant services. The data sources include customer information systems (CIS) and billing data, interactive voice recognition (IVR) call management data, supervisory control and data acquisition (SCADA), mobile crew management (MCM) data, automatic meter reading (AMR) data, automated vehicle location (AVL) data, engineering analysis data supported by 3rd party software packages (such as load monitoring and balancing), etc. In particular, the system allows an on-site engineer to retrieve data (ex. field maps, work orders, codes) or enter, via a portable device, inspection data (ex. such as poles or underground facilities, code violations).

The invention relates to the field of intelligent production and manufacturing management technology, particularly to an intelligent factory system based on the internet of things technology and industrial big data. The intelligent factory system comprises a lower SCADA process control system, an intermediate MES manufacturing execution system, and an upper ERP business planning system. Therefore, problems of difficult real-time analysis and calculation, difficult accident tracing and restoration, high non-planned parking frequency, low work production efficiency, difficult non-transparent decision-making and difficult cooperation among the regional personnel are solved so as to improve the product output, reduce energy consumption and reduce the cost; the a humanized intelligent factory with equipment intelligence, modern management, and information computerization is established truly; and the core competitiveness of enterprise is enhanced.

The invention provides a combined wind power prediction method suitable for a distributed wind power plant. The method comprises the following steps: step 1, acquiring data and pre-processing; step 2, utilizing a training sample set and a prediction sample set which are normalized to build a wind speed prediction model based on a radial basis function neural network and predict the wind speed and variation trend of distribution fans at the next moment; step 3, building a distributed wind power plant area CFD (computational fluid dynamics) model and externally deducing the prediction wind speed of each fan in the plant area according to factors such as the terrain, coarseness and wake current influence of a distributed wind field; step 4, acquiring the power data of an SCADA (supervisory control and data acquisition) system fan of the distributed wind field; and step 5, adopting correlation coefficients. The invention firstly provides a double-layer combined neural network to respectively predict the wind speed and power. Models are respectively built through adopting appropriate efficient neural network types, and improved particle swarm optimization with ideas of 'improvement', 'variation' and 'elimination' is additionally added to optimize the neural network, so that the speed and precision of modeling can be effectively improved, and the decoupling between wind speed and power is realized.

A system and process / method is provided, which economically optimizes the dispatch of various electrical energy resources. The disclosed process / method is linked to and communicates with various sources of input data, including but not limited to, EMS / SCADA legacy Energy Management Systems (EMS), legacy Supervisory Control and Data Acquisition (SCADA) Systems, Demand Response (DR) and Distributed Energy Resources (DER) monitor, control, schedule, and lifecycle management systems (DR / DER Management System), and Energy Markets, electrical energy commodity trading systems (Trading Systems), and Operations System (OPS) in order to compute optimal day-ahead, day-of, and real-time schedules of various durational length for generation, demand response and storage resources while taking into account bilateral contracts and market-based trade opportunities.

The invention relates to an operation and safety monitoring simulation system for a power system, which comprises a power system full digital real-time simulation subsystem used for simulating the operation of a large-scale power system in real time and providing simulation data to other subsystems, a power market simulation subsystem used for simulating and training power market transaction, a PMU / WAMS subsystem used for carrying out real-time dynamic monitoring and analysis on a simulated power system, an SCADA / EMS subsystem used for monitoring and analyzing the simulated power system, a fault information management subsystem used for managing and comprehensively utilizing fault information, a power system dynamic safety assessment and early warning subsystem used for carrying out safety assessment and early warning on the current power system and carrying out safety verification on the operation mode of a future plan, a safety and stability control system performance test subsystem used for testing the performance of a protective relay device, a power system stabilizer (PSS) and other automated equipment as well as a safety and stability control system and equipment, a power system fault diagnosis subsystem used for carrying out on-line diagnosis and intelligent safety alarming on the fault of the simulated power system and providing a dispatching control decision under the fault condition, and a power system recovery control subsystem used for recognizing the state of the fault of the simulated power system, searching and inferring the power supply path of an outage region and providing a power grid recovery control strategy. The system can simulate the operation of a large-scale power grid in real time, and can be used for searching and comprehensively testing the technology and software of various power systems in dispatching, operation, control and other aspects.

A method for automatically configuring a supervisory control and data acquisition (SCADA) system using an as-built drawing. The electronic as-built file is scanned for devices selected from a menu. A list is compiled of selected devices, including location and relational information for each device. Selected graphical information from the electronic as-built file is then converted into a preferred SCADA graphical user interface.

The present invention discloses an integrated universal simulation test system for electric network scheduling and electric quantity collection, a telemechanical terminal is connected with a test control device through an instation network, an electrical energy remote terminal is connected with a plurality of electric energy meters. The simulation test system is provided with a portable computer, and has a function of processing the remote measurement, remote signaling, remote control data of an automatic SCADA system and electric energy meter data of a electric quantity collection terminal simultaneously or separately; a specification analysis function of the automatic SCADA system and electric quantity collection system; the specification is an usual specification, or is added with a plug-in card mode. By means of the technical scheme, the system has stable operation and perfect functions; the system is portable and is flexible to be employed; the system has high reliability and well expandability, openness, compatibility, and excellent maintainability and easytouse; it is capable of expanding and modifying the specification expediently, and it is capable of plugging and playing.

A secure supervisory control and data acquisition (SCADA) system is presented. The inventive system includes a SCADA control host system configured to process SCADA information, and at least one remote device configured to communicate SCADA information with the control host system. The inventive system further includes a modem coupled between the at least one remote device and a communication line, wherein the modem is configured to allow for communication between the remote device and the communication line. The system further includes a security module coupled between the modem and the remote device. The security module is configured to control access to the remote device by a user seeking access thereto from the communication line through the modem.

The invention discloses a microgrid energy management system which comprises an information collection and data preprocessing unit, a network analysis unit and an energy optimization unit, wherein the information collection and data preprocessing unit performs data mining preprocessing on information, collected by SCADA / PMU mixed measurement, by adopting a CIM model and combining historical section management, the network analysis unit is used for realizing mixed measurement-based microgrid state estimation on the basis of network topology analysis, performing risk analysis and assessment and sensitivity analysis to realize early warning and warning for failure threat, and adopting corresponding precautionary measures or performing emergency control, and the energy optimization unit is used for performing microgrid energy optimization scheduling by combining forecast information and system operation analysis according to the information of the microgrid state estimation. The invention also provides a method which adopts the microgrid energy management system to perform microgrid energy management. The functions of the microgrid energy management system are further perfected, and the system safety, the power supply reliability and the system control accuracy and effectiveness of a microgrid are improved.

Disclosed are a system and method for providing certifiable shielded cabinets and rooms, or pods, to protect devices, equipment and people from electromagnetic interference such as electromagnetic pulse, and directed energy attack. The method simulates the separate electric and magnetic shield requirements and capabilities of each type of materials, simulating them separately and together to form a combined set of materials layered for an enhanced electromagnetic shield that is lighter weight and less expensive. Further disclosed is a system and method for SCADA, RFID, and OID monitoring and controls to enable initial and ongoing testing and control.

The invention discloses a state monitoring and failure diagnosis method for a wind generating set variable pitch system. The method includes the steps that 1, in data collection, operation parameters related with the operation state of the variable pitch system are extracted from a wind generating set SCADA system; 2, according to feature parameter extraction, a Relief algorithm is utilized for extracting effective feature parameters of the variable pitch system; 3, in data analysis and prediction, historical data during normal operation of the variable pitch system are screened out to establish a health model of a fan and calculate the prediction value of a real-time signal and the difference between an actual output value and the prediction value; 4, according to a diagnosis algorithm, the operation state of the fan is judged according to residual error information transmitted by the step 3, and the main failure reason of the variable pitch system is found according to a corresponding diagnosis rule and the contribution rate of residue errors; 5, according to data storage, real-time data, prediction data and the diagnosis result are stored to facilitate failure analysis at the later period and provided as reference data for modifying the failure diagnosis rule.

Provided are a high-voltage circuit breaker opening and closing time online monitoring apparatus, a smart multi-dimensional big data analyzing expert system for a high-voltage circuit breaker in a power grid, and methods therefor. The opening and closing time online monitoring apparatus includes a circuit breaker opening and closing events database, a circuit breaker opening and closing time online monitoring module, and a human machine interaction interface. Data in the circuit breaker opening and closing events database is derived from a SCADA and a measurement and control apparatus thereof, a circuit breaker phase selection opening and closing apparatus, a relay protection apparatus and a relay protection information system, and a fault recording apparatus and a fault recording system of each of a substation and a converter station. The circuit breaker opening and closing time online monitoring module includes various modules, and cloud databases for such online monitoring are created.

The disclosure relates to phasor-based monitoring, protection and control applications in electric power systems supervised and / or managed by a Supervisory Control And Data Acquisition / Energy Management System (SCADA / EMS). In order to enable the applications without incurring heavy infrastructural investments, a phasor measurement facility is integrated into a Remote Terminal Unit (RTU) that is part of the SCADA / EMS system and comprises Input / Output (I / O) interfaces hard-wired to a substation of an electric power system. By taking advantage of the fact that RTUs as indispensable building blocks for any SCADA / EMS are part of every substation of the power system, no extra housing, cabling and EMC shielding for the additional functionality needs to be provided.

The invention discloses an industrial control network honeypot system, which comprises an external network honeypot node, an internal network honeypot node, a honeypot management system, Internt and a PC. The beneficial effects of the present invention are: the external network honeypot node can help users set up a disguised "business system" around the IP address of the core server, and induce attackers by constructing a real industry business SCADA template, thereby protecting the real business system, honeypot The management system can simulate SCADA and PLC system services, and can switch to different business types according to the multi-service templates preset in the system, making it impossible for attackers to distinguish the real attack target. The industrial control protocol simulation module creates a real industrial control system for attackers. The operating environment of the service, any operation and scanning attack behavior of the attacker will be recorded by the data analysis function of the honeypot system.

The invention relates to the technical field of operation and control of an electric power system and discloses a method for detecting and identifying dynamic bad data of the electric power system. The method comprises the steps of A, reading a current network parameter and a network topology of the electric power system and forming a node admittance matrix and a branch circuit-node incidence matrix; B, establishing an equivalent circuit according to the network topology of the electric power system and configuring measurement functions and a power management unit (PMU) of the electric power system, wherein system measurement includes node voltage amplitude measurement, node current amplitude measurement, node power injection measurement and node trend measurement; C, detecting and identifying the dynamic bad data of the electric power system; D, judging the convergence condition. By means of the method, accidentally arisen bad data from a supervisory control and data acquisition (SCADA) system and in the PMU measurement can be found and eliminated, and accordingly an accurate operation state, voltage amplitude and phase angles of nodes of a power grid are obtained.

The invention discloses a method for realizing information sharing between data collection and monitoring system and geographic information system. The method includes the following steps: taking one of the data collection and monitoring system and the geographic information system as a model export party, converting an electric system model inside thereof into an electric system model document meeting public information model regulations; transmitting the converted electric system model system into another system from the data collection and monitoring system and the geographic information system as the model export party; the model export party resolves the electric system model document according to the public information model regulations and converts the data obtained through resolving into an electric system model inside the model export party. The invention can meet the regulation of physical isolation required in General Framework for Secondary System Safety Protection of National Electric Systems, and can realize excellent interface generality simultaneously.

The invention discloses an intellective decision-making sustaining system of city electric network accident; the system includes shared SCADA system data, and collected remote signaling remote metering data module and electric network real time running module, the SCADA data is preprocessed, and then transmitted to fault analyzing module, the fault analyzing module and fault processing module analyses and process combining the electric running mode and expert knowledge base and PAS service course, and the fault processing result is stored in the history data base module, the history data base module also includes representative prediction knowledge base module, the history data base module is connected with the protecting distributing module which shares part of data in attemper managing information system module. The invention provides forceful omnidirectional decision-making support.

The invention relates to an intelligent processing method for warning information of a combined power grid. The method comprises the following steps: the combination of an internal expert knowledge base and an external rule table, a multilayer-definition and analysis method of inter-signal incidence relation, and a definition method for both the rule table and an auxiliary signal table of ensuring relevance analysis completeness. According to the invention, an expert system principle and a control strategy are adopted to design the internal expert knowledge base so as to perform real-time analysis of various abnormalities and failures of the power grid; the external rule table is used for providing an analysis rule for the relevance of the abnormalities or failures of the power grid and SCADA (Supervisory Control And Data Acquisition) warning, so as to realize the external definition of the rule; the combined reasoning of both the internal expert knowledge base and the external rule table can ensure the completeness and accuracy of the signal analysis to the utmost; and the physical space attribute of signal is defined into such five layers as local station, local interval, local equipment, upper-level equipment and lower-level equipment, and the property of abnormalities or failures of the power grid is described in a multilayer way. Moreover, the auxiliary signal table is added into the external rule definition to ensure the completeness of the relevance signal of a warning analysis system.

The invention belongs to the field of water supply pipe network leakage management systems, in particular to a water supply pipe network leakage management system and an establishment method and system application thereof. In the prior art, through DMA (District Metering Area) zone metering, the independent metering and management of a complex pipe network is realized, and common DMA zone meteringhas the problems of high hardware investment, insufficient hardware laying reasonability, extensive leakage management, shortage of leakage economic evaluation system, imperfect data releasing and sharing mechanism. The water supply pipe network leakage management system comprises a pipe network hydraulic model subsystem, an SCADA (Supervisory Control And Data Acquisition) subsystem, a DMA management subsystem, a leakage management subsystem and a water affairs GIS (Geographic Information System) management subsystem. Through the guidance of basic data, an optimal hydraulic model is established, independent metering zone division is guided through the hydraulic model, pipe network hardware laying is guided, the economic benefit of a laying scheme is accurately evaluated, leakage management is reasonably carried out, and multiple pieces of system data can be shared.

The invention discloses a device and a method for detecting and positioning leakage of a gas transmission pipeline based on conventional data and sound wave signals. The detecting device comprises a sensor group, a field data acquisition processor, a global positioning system (GPS) receiver, a communication network, a central data gathering processor and a monitoring host. The detecting method comprises the following steps of: respectively acquiring sound wave data and traffic, pressure and temperature conventional data of the upstream and the downstream of the pipeline, filtering background noise from the sound wave data by using wavelet transform, respectively identifying a time domain, a frequency domain and time and frequency domain characteristics of the sound wave signals by combining the conventional data to remove external interference and realize leakage signal characteristic extraction, performing leakage positioning by adopting an improved positioning method based on a related analysis method and a GPS synchronous time method, and giving a theoretical installation distance of sound wave sensors according to a propagation model of the sound wave signals. An interface can be established between the conventional data and a field supervisory control and data acquisition (SCADA) system, and only the sound wave sensors are arranged on the upstream and the downstream of the pipeline, so that the invention has the advantages of low investment, high equipment sensitivity and strong adaptability.

The invention discloses a multi-dimensional intelligent remote inspection system for a transformer substation, which adopts independent networking and receives various operation information of a station end integrated automation system, and is in communication connection with a video center main station to obtain remote view data, remote measurement data, remote control data and remote signaling data; the dispatching center SCADA main station system is in data communication with the station end integrated automation system and receives various kinds of operation information of the station endintegrated automation system; and the video center main station is also in data communication with the dispatching center SCADA master station system to provide real-time video verification for remotecontrol operation of the dispatching center SCADA master station system. According to the invention, a powerful intelligent monitoring and emergency command platform is provided for production linksand security links such as remote control operation and remote equipment inspection of scheduling personnel, field operation and emergency disposal of operation and maintenance personnel and the like,can be suitable for actual application of power production, and ensures safe operation of power grid production.

The invention belongs to the measurement field of a water supply system. Aiming to fix the position of pipe burst accident point in a water supply network accurately and rapidly, improve the accuracy of positioning, and effectively manage the related data of the operation condition of the water supply pipeline network, the invention adopts the following technical scheme: the pipe burst accident on-line positioning system for an urban water supply pipeline network is composed of a supervisory control and data acquisition system (namely an SCADA system), a data center and a master control computer; the supervisory control and data acquisition system comprises the following parts: 1. a plurality of telemetering remote transmission terminals; and 2. a communication system; the data center comprises a server which is used for monitoring process values and communicating with process hardware; and the server is provided with a database for storing on-line data of the water supply pipeline network, which are monitored according to time sequence. The on-line positioning system provided by the invention is mainly used for determining the position of a pipe burst accident point in the water supply pipeline network.