For economy of construction the collector system operates around 35 kv, and the. Electric power may flow through several substations between generating plant and consumer, and may be changed in. Electrical substation components, workings and their functions. Customer substation manual 6272019 table of contents page 2 of 82 section description 0 preface 010. Ess builds electrical substations through 500kv and installs ehv apparatus, including large power transformers, at job sites throughout the southwest. A substations primary function is to transform voltage from low to. Recent technological develop ments have had a tremendous impact on all. Larger pieces of equipment, such as power transformers. Substations help transform voltage for controlling power flow to minimize service disruption. You may hear or notice some construction activities depending on your proximity to the substation site. Prepared by the subcommittee on the design of substation structures of the committee on electrical.
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. Electrical substation an electrical substation is a subsidiary station of an electricity generation, transmission and distribution system where voltage is transformed from high to low or the reverse using transformers. 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 substations are mainly used to convert ac alternating current to dc direct current. Project schedule free download as powerpoint presentation. When the space available for the installation of the substation is short or when the environmental conditions are extremely severe the usual solution is to install a gis gas insulated substation, which schematic diagram is shown in figure 3. The first type is the switchyard at a generating station. 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. Distribution substations michigan technological university. This document outlines the primary design standard for transgrid substations. A substation is a part of an electrical generation, transmission, and distribution system.
All rus borrowers rus electric staff effective date. Vuspec page 3 ieee 12402000 r2012, ieee guide for the evaluation of the reliability of hvdc converter stations ieee 12462011, ieee guide for temporary protective grounding systems used in substations. Download it once and read it on your kindle device, pc, phones or tablets. Some types of substations are tiny in size with an inbuilt transformer as well as related switches. Abstract the thesis deals with the analysis of construction of power lines and substation switchyard of 3311 kv. Construction of a new substation requires a large amount of materials, equipment and labour. There are four major types of electric substations. At monttremblant substation 2009, it took over 25,500 bolts to assemble the steel structures. Lowprofile construction generally uses lower structures with a minimum number of members for support. Technical guide the mvlv transformer substations abb group. Commercial and industrial substation manual design and construction photo credit. Ni000401r122 substation construction manual reference. The steel structures have an estimated total weight of over,000 kg.
Helps employers and employees who are responsible for electrical equipment provide protection against 120volt electrical hazards on construction sites. Basic substation configurations and the components avo training. Electrical substation components list diagram, working. 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. With over 50 years of experience working in electrical testing we have the knowledge and the tools to get the job done right the first time. It also serves as a point of connection between various power system elements such as transmission lines, transformers, generators and loads. The substation receives electrical energy directly from generating stations through incoming power supply lines while it delivers electricity to the consumers. Ge designs, procures, constructs and project manages electrical substations and network. Electrical substation electrical substation construction facilities are main components and destination points of electricity in the electrical grid. Substation 220kv substation substation grounding substation design course substation design power substation substation protection system electrical substation engineering electrical substation design cbip manual for substation 3311 kv substation construction manual electrical substation design fundamentals pdf electrical substation design. If you have any questions regarding the manual, please contact us. Substation construction guidelines explains the steps involved in building substation and in expanding an existing substation.
As one of the nation s largest and established electrical. American national standard national electrical safety code, ansiieee c22012 contains guidelines for the dimensions of access and working space about electric equipment in substations. What is a electrical substation definition, layout, and. Technical engineering, procurement, and construction. An electrical substation is a part of an electricity generation, transmission and distribution system where voltage is transformed from high to low or in reverse using transformers. The book is organized as a collection of work practices. Errors in location and substation construction can delay a project and may result in costly and complicated reworking of the substation and its surrounding structures. We are a neta member and our field engineers and technicians use up to date calibrated test equipment. This equipment is a compact multicomponent assembly, enclosed in a ground metallic housing, which the primary insulation medium is a compressed gas. Onsite generation and telecommunication facilities are. This fundamental course leads you through a stepbystep study of the substation design and construction process. To avoid unnecessary delays, the substation building should be completed in accordance with this specification.
General specification for the civil engineering and building design. This substation is constructed using steel lattice structures to support strain bus wires and apparatus. The standards are specifications that describe material, standards of quality, and requirements that are applicable to western construction projects. Pdf electric power substations engineering by john d.
Ieee substations standards collection is a single source for design construction and operation of power substations. This shall be provided from site clearing and grading through substructure work to the installation and commissioning of electrical facilities and ending with the cleanup and rehabilitation of the site. Applicants are required to consult with the wisconsin department of natural resources wdnr. A distribution substation transfers power from the transmission system to the. Expert instructors with decades of substation design experience will guide you in learning how to develop reliable substation. Michels is building a greenfield substation consisting of a 115kv ring bus connected to a 230kv breaker, and is doing all civil, foundations, conduit, grounding and abovegrade construction. Conventionexhibition centres and major shopping complexes. Miscellaneous electrical substation construction pursuant to n. Llc corporate office po box 3367 albany, ga 31706 ph. The input for a distribution substation is typically at least two transmission or subtransmission lines. K substation standards switch operating and equipment platforms electrical design and details 20. Critical substation risk assessment and mitigation jacques delport dissertation submitted to the faculty of the virginia polytechnic institute and state university in partial fulfillment of the requirements for the degree of doctor of philosophy in electrical engineering virgilio a. Highvoltage cables are manufactured to exact specifications so that they can withstand a variety of mechanical and electrical stresses.
Frequently, after initial substation construction, requirements change, and plans for the ultimate capabilities of the substation are altered. D substation standards ground cable on tubular steel structures support details 21. The electrical substation design is a complex method with full of engineer planning. Myr group has a long history in the successful management. Mcdonald the use of electric power substations in generation, transmission, and distribution remains one of the most challenging and exciting areas of electric power engineering. Distribution substation a distribution substation transfers power from the transmission system to the distribution system of an area. Project specifications are issued for each project. Limited quantity of energy transferred substation to customer. Fundamentals of electrical substations and switchgear. Vuspec summary ieee power substations standards collection included active standards covering switching stations, transformer stations, and generating station switchyards. The electric power substation, whether generating station or transmission and distribution, remains one of the most challenging and exciting fields of electric power engineering. Download electric power substations engineering by john d. Substation aabiitis myr groupelectrical construction.
C substation standards danger sign for shunt capacitors 23. Once the framework is built, we install the equipment on the foundations and steel structures. Pdf substation design manual shally gupta academia. Dec, 2018 the electrical substation does not have a single circuit but is composed of numerous outgoing and incoming circuits which are connected to a busbar i. Pdf construction of intelligent power distribution system in box. Emerging technologies and future trends in substation.
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. 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. Scholar, electrical and electronics engineering department, aisect university bhopal, mp, india. A 50 hz electrical substation in melbourne, australia. Feb 29, 2016 an electrical substation is a subsidiary station that is part of an electrical generation, transmission, and distribution system. Our substation, project management and engineering teams complete custom designed projects within budget and on schedule for various clients. Substation construction guidelines describes all the steps in building new substations, or expanding existing substations. The work practices show how to install and test circui. Significant community acceptance and environmental compatibility items to be considered during the planning and design phases, the construction period, and the operation of electric supply substations are identified, and ways to address these concerns to obtain community acceptance and environmental compatibility are documented.
Commercial and industrial substation manual design and. Myr group subsidiaries have constructed hundreds of highvoltage substations, switching stations and interconnect stations from 34. Dec 19, 2018 types of electrical substations and functions december 19, 2018 by dave leave a comment an electrical substation plays an important part of the electrical system as it acts a bridge in transferring the electricity from the power generation source unit to the end consumers by working to speed up or slow down the current when required. In most substation applications, a class 2 rubber glove is the required level of protection. Jea is responsible for approval of materials and the design standards used in the construction of its electric infrastructure. A substation is an electrical system with highvoltage capacity and can be used to control the apparatus, generators, electrical circuits, etc. This bulletin is an update and revision of previous rea bulletin 651, design guide for rural substations revised june 1978. Edms, printed to an electronic drawing set adobe pdf and issued to. The rehabilitation of the substation concerns the construction of the new 110kv outdoor switchyard, the. Substations transform voltage from high to low, or the reverse, or perform any of several other important functions. Fault monitoring and sequenceofevent recording devices are used in most power electronics stations. 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.
A distribution substation acts as a middleman between the transmission substation and the electricity consumer, lowering the transmission voltage to an appropriate level for distribution to family homes and apartment buildings. Todays stateoftheart hvdc and facts controls fully digitized and processor based allow steadystate, quasi steadystate, dynamic, and transient control actions and provide important equipment and system protection functions. Rubberizedinsulated ppe maintenance all electrical equipment shall be tested according to cianbro safety policy, procedures and best practices. To accommodate unforeseen future system modifications, consider the flexibility of the arrangement. Benchmarking and control indicators for electrical substation. Installations meeting the ansi provisions comply with paragraph b of this section. The specific requirements of the substation project description, physical arrangement, voltage classes, current ratings, protective relaying schemes, metering. Electrical substations for beginners, shvartsberg, boris. Ni000401r122 substation construction manual reference ni000401w101 prepare design inputs work instruction. Use features like bookmarks, note taking and highlighting while reading electrical substations for beginners. Design guide for rural substations usda rural development. Pge is a proven leader of fullservice substation construction and engineering concept design, economic. Stages of power substation project design, construction and related environmental. An electrical substation is a part of an electricity.
Site the south substation fence will have a 90 feet. Between the generating station and consumer, electric power may flow through several substations at different voltage levels. Ni000401r122 substation construction manual mn000301r171 test and commissioning manual na000403r328 queensland electricity connection and metering manual reference 4. While the coverage is primarily about constructing new substations, much of the material is applicable to existing substations. As a result, expansion of the substation facilities may deviate from the anticipated initial plan. Short presentation over the ongoing progress of the project.
Construction of intelligent power distribution system in boxtype substation based on fieldbus technology. This book is organized as a series of work practices. A transmission substation acts as a connection between several transmission lines. Electrical substations for beginners kindle edition by shvartsberg, boris. Substation construction guidelines alexander publications. A construction plan was developed to allow for the electrical components to be deenergized during construction prior to making up connections to them so that no hot work will be required. Recent technological developments have had a tremendous impact on all aspects of substation design and operation. Distribution voltages are typically medium voltage, between 2. Hook stick switches on structure at termination of bus from transformer 307. When a highvoltage cable is terminated for a connection to a circuit or equipment in a substation or switchyard, the termination must also be made to exact specifications. Substation construction services myr groupelectrical. An electrical substation is a subsidiary station that is part of an electrical generation, transmission, and distribution system. The standards contain general requirements for constructing substation and transmission line projects. A highly respected substation contractor, located in chandler, az, call ess today at 4809262310.
974 493 961 604 278 243 1039 1245 168 1036 1197 955 32 622 135 824 1235 1394 344 1348 51 837 227 829 381 30 874 24 1248 1074 1098 570 1413 765 1067 1496 529 181 584 1154