Substation integration and automation approaches and best practices. 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. Instrument transformers correlation to drawings one lines. High performance and total quality are the major requirements for each building block. It is intended to help those who have to define and implement sas, whilst also conforming to the current industry best practice. Omar salah elsayed atwa, in practical power system and protective relays commissioning, 2019. Introduction of substation automation general content of iec 61850 iec 61850 benefits. The abcs of substation automation levels of substation automation substation integration and automation can be broken down into five levels. 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.
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. The fence is connected to a separate grounding conductor. 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. Nov 20, 2014 basics of automation, plc and scada 1. Ieds are a key component of substation integration and automation technology. 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. Distribution voltages are typically medium voltage, between 2. Substation integration and automation approaches and best. Supervisory control and data acquisition scada introduction.
Reduce amount of test time necessary in substation faster deployment proven protection schemes can be reused in future. 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. Iec 61850 is a part of the international electrotechnical commissions iec technical committee 57 tc57 reference architecture for electric power systems. Consider also that systems from separate vendors often are used. This study paves the way for future change in substation automation practices. Understanding and simulating the iec 61850 standard. Intelligent analysis processes to manage the monitored data for substation. The functions performed by substation automation sa system are in, general, switch control, data monitoring. 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. The need for a communication system which can connect. Electric power systems pennsylvania state university. The first section of the document provides basic information about the project.
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. Substation integration and automation approaches and. 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. As a substation automation standard proposed by a group of domain experts, the iec 61850 protocol assumesquiteanamountofdomainspeci. 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.
Substation automation using iec61850 standard department of. Substation automation system sas provides protection, control, automation, monitoring, and communication capabilities as a part of a comprehensive substation control and monitoring solution. Collector substations also exist where multiple thermal or hydroelectric power plants of comparable output power are in proximity. Feb 11, 20 ppt on substation automation through scada 1. Siemens step 2000 course basics of electrical products its easy to get in step. Substation automation basics the next generation free download as pdf file. Abb substation automation solution brunei 24 mar 2010. Highspeed microprocessor based remote terminals units rtus or intelligent electronic devices ieds are used for substation. Intelligent substation automation intelligent substation automation. Iec 61850 is a standard for the design of electrical substation automation. Substation automation basics the next generation by john mcdonald, p. The basic things about substations you must know in the middle of the night. Surge arresters are also provided near the transformer terminals phase to ground.
Our solutions deliver a smart, costeffective, shortcycle solution for digitized substations that are scalable to meet the varying needs of utilities. 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. This course is intended to provide you with an understanding of the terms and equipment associated. Substation automation configuration substation automation systems can have several 10s to 100 different programmable devices. The compact solution for safe local control and monitoring. Communication network is a in this paper substation automation system describes.
Scada system fundamentals introduction just as different countries have their own languages so do different technologies. The lowest level is the power system equipment, such as transformers and circuit breakers. Training seminar on substation automationsubmitted by. 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. Cfe is reducing their substation automation system project costs by applying the iec 61850 protocol and by transmitting. Substation transforms voltage from high to low or from low to high as necessary. 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. Data acquisition data acquisition refers to acquiring, or collecting, data.
This will be done by giving an overview of the experiences from the viewpoint of specification, system integration, functional testing and commissioning. Pdf substation automation system using iec 61850 saeed. Hence, we require substation automation systems in the present day substations to efficiently control and deliver power. It is the base for all developments in substation automation. One of the useful applications of automation is in the railway industry where remote control of power is often vital. The main objective is to create a scada system for. Jul 20, 2018 10 minutes to boost your knowledge on iec61850. Faults instrument transformers correlation to drawings. These smallest possible data groups or functions are named logical nodes. 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. This manifests itself in systems to control and manage power supplies to electric locomotives. Basics of distribution substations for electrical engineers. Make sure you download all parts for each course and the test answer form. Best practices for protection and control applications for.
Practical iec 61850 for substation automation for engineers and technicians duration. Substation automation systems the abb intelligent electronic devices ieds for protection and control are an integral part of the substation automation system. Substation automation minsait acs, an indra company. 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. Control and monitoring unit com605 communication gateway com610.
Distribution substation a distribution substation transfers power from the transmission system to the distribution system of an area. 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. The first step to understanding a new technology is learning the unique language of that technology. In a substation surge arrester is located at the starting of the substation as seen from incoming transmission lines and is the. Power system and substation automation 105 power and generating stations earlier than in transmission and distribution. Basics of automation, plc and scada linkedin slideshare. The voltage runs through the substation, and out of the feeders. 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. The middle three levels are ied implementation, ied integration, and substation automation applications. Distribution substation automation in smart grid 65 substation automation sa can provide integral functions to the distribution grid automation. Substation automation basics the next generation scada. 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. A substation automation system sas provides facility to control and monitor all the equipment in the substation locally as well as remotely. All these needs and trends were merged into the new standard iec 61850 communication networks and systems in substations.
A very costly component in a substation is a transforme r. 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. 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. Protection and automation system schweitzer va engineering laboratories. Substation automation includes a complete range of flexible object terminals, including all necessary functions for substation control and substation monitoring systems. Modular, scalable architecture for substation automation solutions. In a less simple way, substation is the key part of electrical generation, transmission, and distribution systems. 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.
A typical distribution system consists of subtransmission circuits, which carry voltages ranging from 12. Distribution substations michigan technological university. 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. This data is collected in the form of measured analog current or voltage values or the open or closed status of contact points. 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. The aim of a distribution substation is to transfer the power from a transmission system into a distribution system. 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. Aset automation automation is basically the delegation of human control functions to technical 1 equipment aimed towards achieving. The collector substation can also provide power factor correction if it is needed, metering and control of the wind farm. 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. Practical iec 61850 for substation automation for engineers and technicians. Substation automation an overview sciencedirect topics.
Surge arresters or lightning arresters discharge the over voltage surges to earth and protect the equipment insulation from switching surges and lightning surges. Siemens step 2000 course basics of electrical products. The abb substation automation concept has five corner stones. 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. 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. The input for a distribution substation is typically at least two transmission or subtransmission lines.
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