The electricity substation is a network of electrical equipment which is connected in a structured way in order to supply electricity to end consumers. Describe the construction of and flow paths through the major components. Substation and switchyard both are different and these two switchyard is the inter connector between generation and transmission, and same voltage is mentained in switchyard, substation is the inter connector between transmission and distribution. Study of substation equipment and protection seminar report. Us8830636b2 high voltage dc switchyard with semiconductor. Any switchyard being upstream in the load flow diagram, anything and everything in a switchyard, is very critical. Switchyard level, equipment and interfaces substation. A switchyard layout plan elevation drawing shows location of various outdoor equipment in a hvehv switchyard, working and safety clearances among them, ground clearances, sizes of equipment, equipment connection details, insulation levels, boq, space requirement, approach road, road inside the switchyard, ease of equipment handling in the. The fill for embankment ranges up to 27 feet in depth and the cut for excavation ranges up to 24 feet in depth. Most large substations have four different physical environments. Allerection and precommissioning of switchyard equipments. With standard and customizable options, these vaults are the perfect example of valueadded engineering with preinstalled equipment and accessories saving time and money on your next project. Pdf model study of lightning protection of 110 kv substation.
Substation design manual this material is made available on the basis that it may be necessary for a registered professional engineer of queensland rpeq to undertake or oversee the engineering services to meet statutory obligations. The most used outdoor switchyard layouts you should know. Electrical substation components list diagram, working. The critical piece of information that is used to resolve dependencies at runtime can be found in the manfiests of the jars. Switchyard definition of switchyard by merriamwebster. Like all other equipment, a procedural format is followed by the manufacturers, to generate a list of various parts of all the equipment, erected in a switchyard. This is showing three of the five 220 kv66 kv transformers, as well as highvoltage transformer fire barriers, each with a capacity of 150 mva. Electrical substation components and their workings. It located just outside the power station and operates only at a single voltage level. To meet above conditions, various layouts see table 1 have evolved for the circuit configurations. The switchyard system consists of the following equipment. Pdf maintenance and operation of an electrical substation of 220. Like all other equipment, a procedural format is followed by the manufacturers, to generate a list of. Impact of new grid developments on substation design.
The switchyard may have different appearances, mainly depending on the substation insulation media and its design for environmental exposition. And also an attempt is made to cover the general maintenance of substation. The sequence of equipments used in switchyard from starting point of. Pdf development of an electrical substation equipment. Chapter8 switchyard equipment hv bus bars, switchyard. This substation is constructed using steel lattice structures to support strain bus wires and apparatus. Troubleshooting switchyard and substation equipment.
The key steps in the substation designing include switchingsystem, planning and placing of equipment, selection of components as well as ordering, support of engineers, structural design, the design of electrical layout, protection of relay, and major apparatus ratings. The electrical substation design is a complex method with full of engineer planning. We have constructed hundreds of highvoltage substations, switch stations and interconnect stations nationwide from 34. At least one said dc line is connected to at least one said busbar through a unidirectional said dc breaker, i. Allerection and precommissioning of switchyard equipments free download as powerpoint presentation. Syllabus of substation design course advance electrical. Home download center electrical engineering books and technical guides power substation guides electrical design of 233kv substation 233 kv ehv substation the project work assigned to us was to design a 233 kv ehv substation. The switchyard has also a control unit 66 configured to control the dc breakers of the. Pdf a database has been developed that documents performance of. Switchyard definition is a usually enclosed area for the switching facilities of a power station. Gujarat energy transmission corporation limited safety manual page no.
Study of substation equipment and protection seminar report pdf ppt download these may be hydro, thermal, atomic etc. It is a switching station which has the following credits. Detailed syllabus for substation design course, our syllabus is comprehensive,structured and aim to build design career in epc companies,aedei syllabus bases on the epc industries, all the content and syllabus are realated to the industries, aedei is providing priactical projects on substration design. Distribution substations may also be the points of voltage regulation, although on long distribution circuits several kmmiles, voltage regulation equipment may also be installed along the line.
Study of substation equipment and protection seminar. Basic substation configurations and the components. An example 110 kv substation is used for test case. Switchyard definition of switchyard by the free dictionary. A, ct, vcb, bus isolator, post insulator, busbar, p. Equipment used for protection, regulation, monitoring, and communication is introduced. The course provides an overview of the purposes and functions of the major equipment used in substations and switchyards. Soa repository artifact model and protocol user interface sramp ui project documentation. Fault limiting reactors power factor compensation equipment static var compensators harmonic filters equipment design and selection of ratings layout of these equipment in ahaving an switchyard protection design for substation.
With standard and customizable options, these vaults are the perfect example of valueadded engineering with preinstalled equipment and. Complicated distribution substations can be found in the downtown areas of large cities. Hey anders, i havent tried bundling a switchyard application within an ear, but i can help with the multiapp example. This electrical substation and switchyard design course focus on elementary safety standards and practices in substations and switchyard design. Listed are electrical substation equipment like transformers, busbar, isolator, capacitor bank, switchyard etc joined together to deliver power. Power equipment bulletins are available only to bureau of. The switchyard is located approximately 850 feet southwest of the right abutment of the dam, and approximately 170 feet higher than the top of the dam. Equipments in sub station free download as word doc. A voltage not exceeding 250 volts medium voltage mv a voltage between 250 and 650 volts points of isolation the point at which equipment has. A device that protects substation and switchyard equipment from excessive voltage caused by lightning strikes or sometimes by opening and closing circuits. Draw from memory a diagram of the switchyard system showing major components 3. Powerpoint presentation on switchyard powerpoint presentations.
Equipment electrical and mechanical assets used to generate, transmit and distribute electricity working on which the safety rules apply. Typical risers and oneline diagrams are shown in annex b. Switchyard is constructed with assembling of much electrical equipment. There is numerous electrical substation components like outgoing and incoming circuitry each of which having its circuit breakers, isolators, transformers, and busbar system etc for the smooth functioning of the system.
Provide dimensions, details, elevations, and sections where accurate locations of outlets, lighting fixtures, and other equipment are required. Sample drawings of power distribution projects equipment. A 50 hz electrical substation in melbourne, australia. Electrical substation equipment for transferring of electrical power from generating unit to distributing units various types of electrical equipment are required.
An electrical substation is the component of a power system with which voltages are transformed for the transmission, distribution, transformation and switching of power. Basic substation configurations and the components avo training. Its primary use is to deliver power generated to the grid. A substation is a part of an electrical generation, transmission, and distribution system. Replacement of switchyard equipment for proper met tender.
Oldcaslte infrastructure offers a variety of different designs including one piece, three piece, and multipiece configurations. Substation equipment for fault limiting, pfc and harmonic control need for and application of. Drawing, documentation and hv equipment requirements added. The various main structures used in construction of switchyard are configurations of equipments are. The switchyard runtime can be installed into an existing eap 6 installation using one of two methods. Two new ap monitors were installed in the switchyard.
The switchyard has also a control unit 66 configured to control the dc breakers of the switchyard for protecting equipment connected to said busbars andor dc lines upon occurrence of a. A high voltage dc switchyard comprises at least one busbar, at lest two dc lines connected to said at least one busbar through dc breakers comprising a section of at least one semiconductor device of turnoff type and rectifying member in antiparallel therewith. Ujvnl replacement of switchyard equipment for proper metering and protection including gps clock at ramganga power station replacem, due date. Equipments in sub station electrical substation transformer. State from memory, the names and functions of major switchyard system components. Many electric utilities have a preference for certain arrangements which they have adopted as standard. Locklocks immobilisation of an item of equipment locked to secure an item of equipment with padlocks or other devices such that it is immobilized in the close position low voltage l. Substations transform voltage from high to low, or the reverse, or perform any of several other important functions.
In order to use any of these quickstarts you will need to the following repository to your maven settings file. The spacing of the branches is determined by the switchyard configuration. Switchyard 2pdf transformer electrical equipment scribd. The equipment like bus bars, isolator, power transformer etc. Between the generating station and consumer, electric power may flow through several substations at different voltage levels. Distribution substations michigan technological university. Dec 25, 2018 the electricity substation is a network of electrical equipment which is connected in a structured way in order to supply electricity to end consumers. The switchyard also includes means 65, here only schematically indicated through a box, configured to detect occurrence of a fault current in connection with said busbars or dc lines, i.
Switchgear and protective devices 2015 8 p a g e risk of synchronous motors in large industrial premises falling out of step and tripping out. Insulators switchyard structures, isolating switches current and voltage transformers and lightning arrestors are discussed in this chapter. Fundamentals of electrical substations and switchgear. Learn vocabulary, terms, and more with flashcards, games, and other study tools. An outage due to malfunctioning of any item is disastrous. What is the difference between a substation and a switchyard. These capabilities allow for automated communication of vital power system information including energy data, equipment wellness and predictive diagnostics, and electrical equipment control. The general layout of a protection system may be viewed as given in the following figure.
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