IEC TC 57
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IEC TC 57
IEC Technical Committee 57 is one of the technical committees of the International Electrotechnical Commission (IEC). TC 57 is responsible for development of standards for information exchange for power systems and other related systems including Energy Management Systems, SCADA, distribution automation & teleprotection. Working groups TC 57 consists of several working groups, each of which is responsible for development of standards within its domain. The active working groups are listed below. External links IEC TC 57IEC TC 57 WGs #057 {{engineering-stub ...
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International Electrotechnical Commission
The International Electrotechnical Commission (IEC; in French: ''Commission électrotechnique internationale'') is an international standards organization that prepares and publishes international standards for all electrical, electronic and related technologies – collectively known as "electrotechnology". IEC standards cover a vast range of technologies from power generation, transmission and distribution to home appliances and office equipment, semiconductors, fibre optics, batteries, solar energy, nanotechnology and marine energy as well as many others. The IEC also manages four global conformity assessment systems that certify whether equipment, system or components conform to its international standards. All electrotechnologies are covered by IEC Standards, including energy production and distribution, electronics, magnetics and electromagnetics, electroacoustics, multimedia, telecommunication and medical technology, as well as associated general disciplines such as t ...
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SCADA
Supervisory control and data acquisition (SCADA) is a control system architecture comprising computers, networked data communications and graphical user interfaces for high-level supervision of machines and processes. It also covers sensors and other devices, such as programmable logic controllers, which interface with process plant or machinery. Explanation The operator interfaces which enable monitoring and the issuing of process commands, like controller set point changes, are handled through the SCADA computer system. The subordinated operations, e.g. the real-time control logic or controller calculations, are performed by networked modules connected to the field sensors and actuators. The SCADA concept was developed to be a universal means of remote-access to a variety of local control modules, which could be from different manufacturers and allowing access through standard automation protocols. In practice, large SCADA systems have grown to become very similar to distr ...
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IEC 60870-5
IEC 60870 part 5 Gordon R. Clarke et al, ''Practical modern SCADA protocols: DNP3, 60870.5 and related systems'', Newnes, 2004 is one of the IEC 60870 set of standards which define systems used for telecontrol (supervisory control and data acquisition) in electrical engineering and power system automation applications. Part 5 provides a communication profile for sending basic telecontrol messages between two systems, which uses permanent directly connected data circuits between the systems. The IEC Technical Committee 57 (Working Group 03) have developed a protocol standard for telecontrol, teleprotection, and associated telecommunications for electric power systems. The result of this work is IEC 60870-5. Five documents specify the base IEC 60870-5: * IEC 60870-5-1 Transmission Frame Formats * IEC 60870-5-2 Data Link Transmission Services * IEC 60870-5-3 General Structure of Application Data * IEC 60870-5-4 Definition and Coding of Information Elements * IEC 60870-5-5 Basic Appli ...
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IEC 61850
IEC 61850 is an international standard defining communication protocols for intelligent electronic devices at electrical substations. It is a part of the International Electrotechnical Commission's (IEC) Technical Committee 57 reference architecture for electric power systems. The abstract data models defined in IEC 61850 can be mapped to a number of protocols. Current mappings in the standard are to MMS (Manufacturing Message Specification), GOOSE (Generic Object Oriented System Event) ee section 3, Terms and definitions, term 3.65 on page 14 SV (Sampled Values) or SMV (Sampled Measure Values), and soon to Web Services. In the previous version of the standard, GOOSE stood for "Generic Object Oriented Substation Event", but this old definition is still very common in IEC 61850 documentation. These protocols can run over TCP/IP networks or substation LANs using high speed switched Ethernet to obtain the necessary response times below four milliseconds for protective relaying. ...
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IEC 61970
The IEC 61970 series of standards by the International Electrotechnical Commission (IEC) deals with the application program interfaces for energy management systems (EMS). The series provides a set of guidelines and standards to facilitate: * The integration of applications developed by different suppliers in the control center environment; * The exchange of information to systems external to the control center environment, including transmission, distribution and generation systems external to the control center that need to exchange real-time data with the control center; * The provision of suitable interfaces for data exchange across legacy and new systems. Set of standards The complete set of standards includes the following parts: * Part 1: Guidelines and general requirements * Part 2: Glossary * Part 3XX: Common Information Model (CIM) * Part 4XX: Component Interface Specification (CIS) * Part 5XX: CIS Technology Mappings See also * IEC 61968 * MultiSpeak * Common Informatio ...
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IEC 61968
IEC 61968 is a series of standards under development that will define standards for information exchanges between electrical distribution systems. These standards are being developed by Working Group 14 of Technical Committee 57 of the IEC (IEC TC 57 WG14). IEC 61968 is intended to support the inter-application integration of a utility enterprise that needs to collect data from different applications that are legacy or new and each has different interfaces and run-time environments. IEC 61968 defines interfaces for all the major elements of an interface architecture for Distribution Management Systems (DMS) and is intended to be implemented with middleware services that broker messages among applications. Standards * IEC 61968-1 – Interface architecture and general requirements ublished* IEC 61968-2 – Glossary ublished* IEC 61968-3 – Interface for ''Network Operations O' ublished* IEC 61968-4 – Interfaces for ''Records and Asset management M' ublished* IEC 61968-5 †...
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IEC 62351
IEC 62351 is a standard developed by WG15 of IEC TC57. This is developed for handling the security of TC 57 series of protocols including IEC 60870-5 series, IEC 60870-6 series, IEC 61850 series, IEC 61970 series & IEC 61968 series. The different security objectives include authentication of data transfer through digital signatures, ensuring only authenticated access, prevention of eavesdropping, prevention of playback and spoofing, and intrusion detection. Standard details * ''IEC 62351-1'' — Introduction to the standard * ''IEC 62351-2'' — Glossary of terms * ''IEC 62351-3'' — Security for any profiles including TCP/IP. ** TLS Encryption ** Node Authentication by means of X.509 certificates ** Message Authentication * ''IEC 62351-4'' — Security for any profiles including MMS (e.g., ICCP-based IEC 60870-6, IEC 61850, etc.). ** Authentication for MMS ** TLS (RFC 2246)is inserted between RFC 1006 & RFC 793 to provide transport layer security * ''IEC 62351-5'' — Securi ...
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IEC 62325
IEC 62325 is a set of standards related to deregulated energy market communications, based on the Common Information Model. IEC 62325 is a part of the International Electrotechnical Commission's (IEC) Technical Committee 57 (TC57) reference architecture for electric power systems, and is the responsibility of Working Group 16 (WG16). Standard documents IEC 62325 consists of the following parts, detailed in separate IEC 62325 standard documents: * IEC 62325-301: Common information model (CIM) extensions for markets * IEC 62325-351: CIM European market model exchange profile * IEC 62325-450: Profile and context modelling rules * IEC 62325-451-1: Acknowledgement business process and contextual model for CIM European market * IEC 62325-451-2: Scheduling business process and contextual model for CIM European market * IEC 62325-451-3: Transmission capacity allocation business process and contextual models for European market * IEC 62325-451-4: Settlement and reconciliation business pr ...
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Distributed Energy Resources
Distributed generation, also distributed energy, on-site generation (OSG), or district/decentralized energy, is electrical generation and storage performed by a variety of small, grid-connected or distribution system-connected devices referred to as distributed energy resources (DER). Conventional power stations, such as coal-fired, gas, and nuclear powered plants, as well as hydroelectric dams and large-scale solar power stations, are centralized and often require electric energy to be transmitted over long distances. By contrast, DER systems are decentralized, modular, and more flexible technologies that are located close to the load they serve, albeit having capacities of only 10 megawatts (MW) or less. These systems can comprise multiple generation and storage components; in this instance, they are referred to as hybrid power systems. DER systems typically use renewable energy sources, including small hydro, biomass, biogas, solar power, wind power, and geothermal power ...
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Common Information Model (electricity)
The Common Information Model (CIM) is an electric power transmission and distribution standard developed by the electric power industry. It aims to allow application software to exchange information about an electrical network. It has been officially adopted by the International Electrotechnical Commission (IEC). The CIM is currently maintained as a UML model. It defines a common vocabulary and basic ontology. CIM models the network itself using the 'wires model'. It describes the basic components used to transport electricity. Measurements of power are modeled by another class. These measurements support the management of power flow at the transmission level, and by extension, the modeling of power through a revenue meter on the distribution network. The CIM can be used to derive 'design artifacts' (e.g. XML or RDF Schemas) as needed for the integration of related application software. CIM is also used to derive messages for the wholesale energy market with the framework for ene ...
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Substation Configuration Language
System Configuration description Language formerly known as Substation Configuration description Language (SCL) is the language and representation format specified by IEC 61850 for the configuration of electrical substation devices. This includes representation of modeled data and communication services specified by IEC 61850–7–X standard documents. The complete SCL representation and its details are specified in IEC 61850-6 standard document. It includes data representation for substation device entities; its associated functions represented as logical nodes, communication systems and capabilities. The complete representation of data as SCL enhances the different devices of a substation to exchange the SCL files and to have a complete interoperability. Parts of SCL files An SCL file contains the following parts: # Header: This part is used to identify version and other basic details of an SCL configuration file. # Substation: This is the part dealing with the different entit ...
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