Basics of distribution substations for electrical engineers. Apr 08, 2016 substation automation refers to using data from intelligent electronic devices ied, control and automation capabilities within the substation, and control commands from remote users to control powersystem devices. Reduce amount of test time necessary in substation faster deployment proven protection schemes can be reused in future. Highspeed microprocessor based remote terminals units rtus or intelligent electronic devices ieds are used for substation. Distribution substation a distribution substation transfers power from the transmission system to the distribution system of an area. Pdf substation automation system using iec 61850 saeed. The collector substation is also able to collect thermal and hydroelectric power, so positioning one next to a power plant is an efficient way to generate power. Scada system fundamentals introduction just as different countries have their own languages so do different technologies. One of the useful applications of automation is in the railway industry where remote control of power is often vital.
Protection communication control monitoring tools one of the main advantages of abb substation automation is that it may include building blocks from various product ranges and generations. Substation automation using iec61850 standard department of. The input for a distribution substation is typically at least two transmission or subtransmission lines. Distribution substation automation in smart grid 65 substation automation sa can provide integral functions to the distribution grid automation. Substation automation system sas substation automation system sas provides protection, control, automation, monitoring, and communication capabilities as a part of a comprehensive substation control and monitoring solution.
In a substation surge arrester is located at the starting of the substation as seen from incoming transmission lines and is the. Ieee pes chicago chapter substation integration and automation approaches and best practices protocol fundamentals communication protocol allows two devices to talk to each other each device must have the same protocol implemented, and the same version of the protocol both devices from same supplier, and protocol. The aim of a distribution substation is to transfer the power from a transmission system into a distribution system. Substation configuration substation configuration can greatly affect protection choices substation physical design engineers must be in full agreement with protection and control engineers, even for temporary substation configurations. Intelligent substation automation intelligent substation automation.
Aset automation automation is basically the delegation of human control functions to technical 1 equipment aimed towards achieving. A substation automation system sas provides facility to control and monitor all the equipment in the substation locally as well as remotely. Substation automation includes a complete range of flexible object terminals, including all necessary functions for substation control and substation monitoring systems. Combined together the sas and ied lay the foundation for all the higherlevel remote functions such as advanced power system management and the monitoring of the condition of the.
Introduction of substation automation general content of iec 61850 iec 61850 benefits. A very costly component in a substation is a transforme r. Power system and substation automation 105 power and generating stations earlier than in transmission and distribution. It is the base for all developments in substation automation. Ieee pes chicago chapter substation integration and automation approaches and best practices 7 dac server im corporate wan substation integration system ied legacy scada rtu ied rp3599 compliant time sync source im im im user applications. Video one of iec 61850 provides and understanding of the concepts and the applications of the standard iec 61850 in terms of the substation automation practices as opposed to traditional systems. Aug 06, 2015 video one of iec 61850 provides and understanding of the concepts and the applications of the standard iec 61850 in terms of the substation automation practices as opposed to traditional systems. Our solutions deliver a smart, costeffective, shortcycle solution for digitized substations that are scalable to meet the varying needs of utilities. Modular, scalable architecture for substation automation solutions. Make sure you download all parts for each course and the test answer form. Substation automation configuration substation automation systems can have several 10s to 100 different programmable devices.
Protection and automation system schweitzer va engineering laboratories. Control and monitoring unit com605 communication gateway com610. Cfe is reducing their substation automation system project costs by applying the iec 61850 protocol and by transmitting. Data acquisition data acquisition refers to acquiring, or collecting, data.
Introduction substation automation sa is a system to enable an electric utility to remotely monitor, control and coordinate the distribution components installed in the substation. Surge arresters are also provided near the transformer terminals phase to ground. Substation integration involves integrating protection, control, and data acquisition functions into a minimal number of platforms to reduce capital and operating costs, reduce panel and control room space, and eliminate redundant equipment and databases. Faults instrument transformers correlation to drawings. Minsait acs offers a wide range of flexible and costeffective substation, distribution and feeder automation solutionsincluding the ntx series, the most sophisticated remote terminal units rtus in. As more ied devices are installed to the distribution network, the need for ied management, control, and the corresponding advanced application operation is a growing imperative. In a less simple way, substation is the key part of electrical generation, transmission, and distribution systems. In the 1980s, a substation automation system was introduced to the transmission and distribution sector in substations, making the engineering easier and also reducing the cost. Understanding and simulating the iec 61850 standard. The compact solution for safe local control and monitoring. The lowest level is the power system equipment, such as transformers and circuit breakers. A distribution substation is commonly made up of two transmission lines that provide the input, and a set of feeders that act as an output. Intelligent analysis processes to manage the monitored data for substation.
Surge arresters or lightning arresters discharge the over voltage surges to earth and protect the equipment insulation from switching surges and lightning surges. Ieds are a key component of substation integration and automation technology. It is intended to help those who have to define and implement sas, whilst also conforming to the current industry best practice. Substation automation systems the abb intelligent electronic devices ieds for protection and control are an integral part of the substation automation system. These smallest possible data groups or functions are named logical nodes. A typical distribution system consists of subtransmission circuits, which carry voltages ranging from 12. Training seminar on substation automationsubmitted by.
Improve wide area monitoring pdf 556 kb power company modernizes substation with standardsbased networking pdf 480 kb eidsiva energi drives 21stcentury efficiency and management with iec61850 digital bus for substation automation. This study paves the way for future change in substation automation practices. Communication network is a in this paper substation automation system describes. Substation automation system sas provides protection, control, automation, monitoring, and communication capabilities as a part of a comprehensive substation control and monitoring solution. The middle three levels are ied implementation, ied integration, and substation automation applications. The difference between the ground potential rise and the surface potential at the point where the person is standing while at the same time having a hand in contact with a grounded structure. Hence, we require substation automation systems in the present day substations to efficiently control and deliver power. Substation integration and automation approaches and best practices. The need for a communication system which can connect. Omar salah elsayed atwa, in practical power system and protective relays commissioning, 2019. The data model of the standard is an objectoriented one, grouping the data into the smallest possible sets referring to the smallest possible functions to be implemented independently. This data is collected in the form of measured analog current or voltage values or the open or closed status of contact points.
Jul 20, 2018 10 minutes to boost your knowledge on iec61850. Outline of discussion protection and control basics protection fundamentals transmission line protection robust protective relaying scheme design substation configuration power system nerc requirements realworld examples. Substation automation basics the next generation free download as pdf file. Design and implementation aims to close the gap created by fast changing technologies impacting on a series of legacy principles related to how substation secondary systems are conceived and implemented. Supervisory control and data acquisition scada introduction. Electric power systems pennsylvania state university. This manifests itself in systems to control and manage power supplies to electric locomotives. Siemens step 2000 course basics of electrical products its easy to get in step. This paper discusses best practices and lessons learned during the execution of several projects developed for new substations using iec 61850 as a communications suite. The main objective is to create a scada system for. Distribution voltages are typically medium voltage, between 2. Index by keyword page ais air insulated switchgears 66, 70, 72 and 73 apps advanced power protection system 44, 45, 46 and 47 arcgis geographic information system 106 atex 32 and 33 automation for substations 53, 101 brio w310 124 c264 micom compact rtu 101 circuitbreakers 63 competence management 18 cyber security 50 design of installation 43 e. Instrument transformers correlation to drawings one lines.
Iec 61850 is a part of the international electrotechnical commissions iec technical committee 57 tc57 reference architecture for electric power systems. Substation transforms voltage from high to low or from low to high as necessary. Basics of automation, plc and scada linkedin slideshare. The basic things about substations you must know in the middle of the night. Distribution substations michigan technological university.
Substation automation basics the next generation by john mcdonald, p. Iec 61850 is a standard for the design of electrical substation automation. High performance and total quality are the major requirements for each building block. Substation automation ges broad portfolio of substation automation solutions provide customers with the control and automation functions needed to build a smarter, more reliable power grid. Practical iec 61850 for substation automation for engineers and technicians duration. Collector substations also exist where multiple thermal or hydroelectric power plants of comparable output power are in proximity. The first step to understanding a new technology is learning the unique language of that technology. The basic things about substations you must know in the.
The voltage runs through the substation, and out of the feeders. The iec 61850based substation automation system sas provides opportunities for a new level of substation operation, enhancing operating efficiency and protection reliability with a new. Nov 20, 2014 basics of automation, plc and scada 1. Abb substation automation solution brunei 24 mar 2010. Siemens step 2000 course basics of electrical products. Surge arresters are generally connected between phase conductor and ground. It is intended to help those who have to define and implement sas, whilst also conforming to the current. The abcs of substation automation levels of substation automation substation integration and automation can be broken down into five levels. Substation integration and automation approaches and best. The fence is connected to a separate grounding conductor.
Substation automation minsait acs, an indra company. Consider also that systems from separate vendors often are used. The first section of the document provides basic information about the project. This course is intended to provide you with an understanding of the terms and equipment associated.
Substation automation basics the next generation scada. This will be done by giving an overview of the experiences from the viewpoint of specification, system integration, functional testing and commissioning. Supervisory control and data acquisition balance generation and demand dispatching monitor flows and observe system limits coordinate maintenance activities, emergency response functions localized power plants, substations feedback controls e. Oct 11, 2012 in a substation surge arrester is located at the starting of the substation as seen from incoming transmission lines and is the first equipment of the substation. The collector substation can also provide power factor correction if it is needed, metering and control of the wind farm. Best practices for protection and control applications for. Substation automation an overview sciencedirect topics. As a substation automation standard proposed by a group of domain experts, the iec 61850 protocol assumesquiteanamountofdomainspeci. Feb 11, 20 ppt on substation automation through scada 1. The functions performed by substation automation sa system are in, general, switch control, data monitoring. All these needs and trends were merged into the new standard iec 61850 communication networks and systems in substations. The abb substation automation concept has five corner stones. Practical iec 61850 for substation automation for engineers and technicians.
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