Part 1 also provides an overview of substation major equipment, explaining the mission, and arrangement of each component. If you have work that needs to be done in the house, you will need to consider their schedule. Distribution substations michigan technological university. To better understand the importance of electrical substations, lets start with a discussion about the structure of the power systems and their main components. Kel37 page 2 substation equipments and its function distribution system the major function of distribution system is to provide power to individual consumer requirement. Main tasks associated with major substations in the transmission and ditribution system include following.
Substations also enable one or more of the following functions to be accomplished. Besides changing the voltage, the job of the distribution substation is to isolate faults in either the transmission or distribution systems. Differences can be defined by the following features, as the functionality of a substation can be. It means that you will have to refinance into a home rehab loan. Grid substations town substation classification of substations on the basis of design. Home technical articles what is distribution substation and its main components. Fundamentals of modern electrical substations part 1. The equipment like bus bars, isolator, power transformer etc. Substation automation includes a complete range of flexible object terminals, including all necessary functions for substation control and substation monitoring systems. A variety of substations can be classified depending on their functions, voltage, location and even their insulation.
A mini project report on operation and maintenance of 2202kv substation submitted in partial fulfillment for the award of the degree of bachelor of technology in electrical and electronics engineering submitted by v. Substation equipment in this section we describe the function and operating principles of the following power. Electrical substation equipment for transferring of electrical power from generating unit to distributing units various types of electrical equipment are required. One purpose of a substation is to contain the equipment for changing electric energy from one voltage to another. Substation equipment and their functions essay 57411 words. Their main purpose is to limit the maximum fault current to a value which will not damage generating, distribution or other associated equipment in the power system, yet allow sufficient flow of fault current to operate protective relays to clear fault. Pdf green and sustainable power is the need of the day. The abcs of substation automation levels of substation automation substation integration and automation can be broken down into five levels. The iec 61850 standard stipulates the substation configuration description language scl file as a means to define the substation equipment, ied function and also the communication mechanism for. The purpose of the workshop was to engage electric power utility representatives, substation equipment manufacturers, and consultants, to solicit their input to help direct mceers research and iii. Commissioning process for new substation equipmenthayes. In our project we are going to study about the operation of different equipments in substation.
The substation battery banks are sized and purchased by the substation engineering activity. Ieee power substations standards collection included active standards covering switching stations, transformer stations, and generating station switchyards. Supply of electric power to different consumers is done at low voltage level. Connection diagrams of the optical and tail fibers between different cubicles will be. Industrial summer training report on uttar pradesh power corporation limited 2202 kv substation barahuwa gorakhpur submitted in partial fulfillment of the requirements for the award of degree of bachelor of technology in electrical engineering ee submitted by ashutosh srivastava. Construction and operation of a substation could have direct impacts on rare species or their habitat if the substation is sited in an area with highquality habitat suitable for protected species. Earth bus bars are typically bolted directly onto any metal chassis of their enclosure. Components and substations for electrical transmission and. The key steps in the substation designing include switchingsystem, planning and placing of equipment. Report on industrial summer training on 220 kv substation 1. The electrical power can be transmitted from the units of generation to distribution using various electrical substation components namely isolator, bus bar, power. Substations a substation is a highvoltage electric system facility. The substation equipment and their functions mainly include the following.
Before embarking on determining substation reliability indices, it is helpful to be familiar with some of the common substation layouts and their corresponding names. The substations are mainly used to convert ac alternating current to dc direct current. The general scope of the standard is designed to support the communication of all functions being performed in the substation. Integration of 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. Introduction in our present society that is greatly dependent on electric power, substation technology plays an important role in the stable and highquality transmission of electric energy. Consequently, it is important to consider equipment removal routes during the structure layout. The electrical substation design is a complex method with full of engineer planning. Because of the height of some substation equipment and the clearing necessary. Load interrupting or a loadbreak switch combines the functions of a disconnecting switch and a load interrupter for interrupting at rated voltage and currents not exceeding the.
Pdf a database has been developed that documents performance of substation. A substation is an electrical system with highvoltage capacity and can be used to control the apparatus, generators, electrical circuits, etc. Substation is integral part of a power system and form important links between the generating station, transmission systems, distribution systems and the load points. Part 1 also provides an overview of substation major equipment, explaining the mission. An electrical substation is an installation with electrical equipment capable of interrupting or establishing electrical circuits and changing the voltage, frequency, or other characteristics of the electrical energy flowing in the circuits. Basic substation configurations and the components avo training. This webinar discusses the basic configuration of a substation as well as the key players involved with operations and control of transmission and distribution circuits. Deployment of substation and feeder operating functions and applica. In this way, the main buses will not block the removal of equipment located in the substation interior. Overhead lines and substation equipment can be protected against direct. Additionally, complete modular distribution substation configurations for all voltages mod subs are also included, since. It includes study of transmission lines, bus bars, circuit breakers. Current transformer when current in a circuit is too high to directly apply to measuring instruments, a current transformer is used.
All of the building blocks are based on state of the art numerical technology, compatible with conventional equipment. Substations transform voltage from high to low, or the reverse, or perform any of several other important functions. Fundamentals of electrical substations and switchgear. Switching operations substations connect or disconnect elements of the power system, using circuit breakers andor switches. 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. A substation is a part of an electrical generation, transmission, and distribution system. Electric power substations components and functions ibibor s. In power system network, in order to transmit and distribute the generated power, it is necessary to install substations at strategic points to work at required voltage level since high voltage transmission is resorted to. Customer substation manual 6272019 preface page 8 of 82 010. Since all jea substation battery banks are installed. Basic substation configurations and the components. Between the generating station and consumer, electric power may flow through several substations at different voltage levels. Pdf development of an electrical substation equipment.
Table 2 provides a general list of substation equipment types, their basic function, and the category of substations that they would be used in. The connectors can be assembled for compression with different forms depending on the require ment, example, circumferential, hexagonal. Switchgear equipment performs two separate functions. Bus bars may be enclosed in a metal housing, in the form of bus duct or bus way, segregatedphase bus, or isolatedphase bus. The new, improved technology can thus be implemented step by. Main tasks associated with major substations in the. This 12hour live online substation training course give an overview of substations, primary breaking device, transformer, secondary switching devices, switchgear.
Substation equipment such as circuitbeakers, isolators, earthing switches, surge arresters, cts, vts, neutral grounding equipment. Substation equipment ieee std 32011, ieee guide for static var compensator field tests ieee std 781997 r2002, ieee guide for commissioning high. Transmission basics facilities, interconnection and permitting laurie a. Download file pdf manual on ehv substation equipment maintenance manual on ehv substation equipment maintenance webinar substation the basics of a substation configuration and its components this webinar. Indoor type substations outdoor substations elements on. Introduction to substations annotated instructors guide module overview this module introduces trainees to the function of substations at all levels of the power grid, with an introduction to typical substation components included. 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. The lowest level is the power system equipment, such as transformers and circuit breakers. Sometimes different phases are connected differently to other equipment.
Certain configurations may be more suited to a specific task, so the equipment in each type of substation may vary, but. It also is used to change ac voltages from one level to another, andor change alternating current to direct current or direct current to alternating current. Electrical substation components, workings and their functions. Ppt on substation equipments authorstream presentation. Substation equipment and functions equipment type function substation. Some types of substations are tiny in size with an inbuilt transformer as well as related switches. Commissioning services for equipment rated equal to, or greater than 100 kv, and the protection schemes that directly affect equipment rated equal to, or greater than 100 kv are performed by a corporate engineering department. Electrical substation components list diagram, working.
To better understand the importance of electrical substations, lets start with a discussion about the structure of the power systems and their. And also an attempt is made to cover the general maintenance of substation. There is numerous electrical substation components like outgoing and incoming circuitry each of which having its circuit breakers, isolators. Substation equipment and their functions substations introduction. Unesco eolss sample chapters electrical energy systems components and substations for electrical transmission and distribution systems b. Substation equipment an overview sciencedirect topics. Substation automation systems make their control and.
Substation equipment and its function 2 slideshare. Proceedings of the workshop on improving earthquake. Report on industrial summer training on 220 kv substation. Functions generator stepup transmission center distribution. Tikhodeev encyclopedia of life support systems eolss into substation equipment systems. Maintenance and operation of an electrical substation of. Pdf maintenance and operation of an electrical substation of 220. Our 12hour live online substation training course will cover the major elements that build electrical substations and switchyards.
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