Nnelectrical substation construction pdf

Cpm scheduling, basic engineering, and project approach for typical substation epc project dewan jamir iv emgt 835, spring 2006 date work can be accomplished and the latest date work needs to be completed. Electrical substation 3d cad model library grabcad. At the end we hope that by this presentation your understanding regarding various types of substation, operation of a standard substation and also about the various equipements used in power substation would got more clear. We provide electrical and civil construction either as separate, standalone services or combined in one bid. Recent technological develop ments have had a tremendous impact on all. The electrical substation is the part of a power system in which the voltage is transformed from high to low or low to high for transmission, distribution, transformation and switching. Involved turnkey construction of 115kv static var compensator including control building, control wiring and terminations, stations lighting, conduit, steel, insulators, 8 and 10 rigid aluminum bus. Electrical substation construction automated innovative energy houses vast developed expertise to design and construct substations of all sizes from 11kv to 400kv.

You will find all practical problem and solution for making and maintain an electrical substation in real life. The manual is applicable for all substation projects regardless of internalexternal design delivery mode. Design guide for rural substations usda rural development. Substations transform voltage from high to low, or the reverse, or perform any of several other important functions. You may hear or notice some construction activities depending on your proximity to the substation site. Substation layout free download as powerpoint presentation.

Eps completed the design and construction inspection for the new retherford substation in anchorage. Click here to see our full list of civil construction services. Substation structure design guide provides a comprehensive resource for the structural design of outdoor electrical substation structures. Get an introduction to technical requirements, configuration philosophies, design practices, information sources and work processes. C substation standards danger sign for shunt capacitors 23. It is the specialty that founded our company over 50 years ago and still represents approximately 50% of our revenues. Distribution voltages are typically medium voltage, between 2. Guidelines for the substation construction electrician. Between the generating station and consumer, electric power may flow through several substations at different voltage levels. Michels engineered, procured and constructed a 230kv115kv subtation in upstate new york. Construction supervisors will ensure all entergy contractors are briefed prior to the start of each work day as part of the daily safety tailboard. We have the resources and experience to deliver turnkey, groundup solutions for alternative and directcurrent stations from 760kv and down, but are also adept. This bulletin is an update and revision of previous rea bulletin 651, design guide for rural substations revised june 1978.

We got the idea about the latest advancements going on in the field of gis and substation automation. The substation design manual is not intended to replace asset management standards, but rather. 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. Bbc has constructed substations ranging from greenfield substations to upgrades and rebuilds.

Substation civil design and construction standard tasnetworks. The construction solution of a typical internal open substation, which is therefore built in a closed structure sheltered from the elements, generally consist of. In order to be eligible to take this test, candidates must have successfully graduated from the substation apprentice electrician program at southern california. Iem power systems is a premier supplier of electrical equipment and substation packages. December 2008 ice storm chapter iv system planning, design, construction, and protection nei electric power engineering page iv5 figure iv3 two 34. Electrical substation design fundamentals school of. Forster electrical engineering will work with you to select a substation site, obtain required permits and authorizations, design the substation, prepare bidding documents plans, specifications, equipment, and material lists for substation construction, assist in the bidding process, and supervise construction to final. N line electric electrical substation construction n. A substation is a highvoltage electric system facility. The computeraided design cad files and all associated content posted to this website are created, uploaded, managed and owned by third party users. Electrical substation archives an electrical engineer.

The critical path is the longest activity path from the start to finish of the project. Substation construction electrician apprenticeship 1. Electrical substation is most common word for an electrical engineer or engineering student. Project schedule free download as powerpoint presentation. The work practices show how to install and test circui. Feb 03, 2006 thank you very much, but im preparing only the construction part of the substation like civil, mep and finishing work without the procurement activities. Substations a substation is a highvoltage electric system facility. D substation standards ground cable on tubular steel structures support details 21. 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. Site the south substation fence will have a 90 feet. Transmission, sub transmission and distribution substation 4. Short presentation over the ongoing progress of the project.

Substation construction guidelines alexander publications. If existing substation, does it allows for outages. The result of this research is a functional equation that can be used for estimating future electric substation construction cost with a fair level of confidence. From early planning and investigation to project management of plant installation within live substation environments. Cpm scheduling, basic engineering, and project approach for.

Electrical stations substations by purpose transformer stations switching stations. Guide for the design, construction and operation of electric. Our team has a thorough knowledge of substation design, as well as wealth of. Transmission and distribution substation projects operating. With its policy of quality, safety, reliability and timely completion of projects, antelec has successfully managed to carve its niche in the field of electrical engineering and contracting in india. Scope the customer requested entergy to perform a facility study to connect a generation plant to entergys system at cypress substation. Gis technology originated in japan, where there was a substantial need to develop technology to make substations as compact as possible. Concerns are being voiced by regulatory bodies and community groups in areas not considered necessary heretofore in the permitting process. The input for a distribution substation is typically at least two transmission or subtransmission lines.

Construction of a new substation requires a large amount of materials, equipment and labour. Substation and electrical infrastructure projects for utility and industrial customers face a number of challenges in todays environment. The most challenging time for an estimator to develop an accurate cost estimate is in the initial stages of a project. They are designed to be compact for travel on public roads, and are used for temporary backup in times of natural disaster or war. Recommended set of shortcircuit endurance csn 38 1754, csn 33 3015 rated switchingoff current i nvyp ka rms value, its heat impacts must be survived by an electrical equipment for a given time t 2 s. A mobile substation is a substation on wheels, containing a transformer, breakers and buswork mounted on a selfcontained semitrailer, meant to be pulled by a truck. Fundamentals of modern electrical substations part 3. Ni000401r122 substation construction manual reference ni000401w101 prepare design inputs work instruction. It is used to switch generators, equipment, and circuits or lines in and out of a system. Electric substations with equipment used to convert highvoltage, extrahighvoltage ehv, or ultrahighvoltage uhv transmission lines to the intermediate voltage subtransmission lines or to switch subtransmission circuits operating at voltages in the range of 34. From substation planning and design to construction and final inspection, hot lines team has the experience and manpower to deliver results that meet your exact requirements while adhering to the highest quality and safety standards in the industry. We upgrade existing facilities and work with your experts to install stateoftheart equipment.

Substation construction guidelines explains the steps involved in building substation and in expanding an existing substation. Prepared by the subcommittee on the design of substation structures of the committee on electrical transmission structures of the structural engineering institute of asce. Compliance with all technical requirements all energize elements comply with the required clearances clearances verify compliance with the last requirements of the national electrical safety code or prepa diseno subw\copy of svc subst profile 2. Thank you very much, but im preparing only the construction part of the substation like civil, mep and finishing work without the procurement activities.

Replace transformer bank 1, reconductor and ohio brass replacement for 115kv bus, install bus sectionalizing breakers, install circuit breakers 272 and 282, 230kv mpac and battery building, panochehelm reconductor, panoche mcmullin reconductor. Edms, printed to an electronic drawing set adobe pdf and issued to. Affordable and search from millions of royalty free images, photos and vectors. Danger from overhead electricity lines code of practice pdf. This document outlines the primary design standard for transgrid substations. Scholar, electrical and electronics engineering department, aisect university bhopal, mp, india. Substation standards reference manual intranet access required. All rus borrowers rus electric staff effective date. Hire us as your prime contractor, enlist our construction procurement services, or take advantage of our preventative maintenance programs for all of your substation equipment. Technical guide the mvlv transformer substations abb group.

We have the necessary equipment and knowhow to construct electrical substations, and the diligence to maintain them. Substation construction and maintenance is the heart and backbone of new rivers business operations. We offer high quality individual components or a whole package incorporating all key equipment required for a complete, integrated substation solution at competitive prices. Substations equipment maintenance electric power systems. Study substation design subjects at a level appropriate for those relatively new to the field. The substations range from highvoltage substations, switch stations and interconnect stations. 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. Mastec works with companies, cooperatives, and municipalities to successfully manage all phases of substation and switchyard construction. Electrical substation stock photos and images 123rf. These substations begin with careful design by civil engineers. Panoche substation epc project involving 7 projects. Substation construction guidelines describes all the steps in building new substations, or expanding existing substations. Our electrical substation construction and maintenance division is a full service substation contractor specializing in all aspects of 4kv to 500kv substation construction from turnkey greenfield construction to retrofit work. The following current and former members of the substation subcommittee of.

The power transformer, circuit breaker, busbar, insulator, lightning arrester are the main components of an electrical substation. Is the site has a good construction and maintenance access. Electrical substation design and installation edes ltd. The book is organized as a collection of work practices. Substation site selection substation designs range from 8 kv to 4 kv. Prepared by the subcommittee on the design of substation structures of the. Substation layout electrical substation electricity scribd. Civil engineering and substation construction to maintain the standards of living to which weve grown accustomed, we need a high quantity of electrical substations.

This book is organized as a series of work practices. Basic elements of substation equipment 1 busbars conductors carrying power to individual branches 2 branches equipment for carrying power to grid lines. Part 3 of the course fundamentals of modern electrical substations is concentrated on substation engineering aspects, which may be very challenging and require from utility companies engineers a very diverse knowledge and experience to address these aspects. Equipment and structure conductor mechanical loads design report.

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. The substation consisted of two 100 mva transformers, two 8 kv breaker and onehalf bays and thirteen 34. The cost benefit of modern substation automation in. Our engineering team can undertake all aspects of high voltage electrical substation design. About 50 % of these are caused by wrong settings, something that can be blamed on insufficient relay plans. Increasing demand and workload peaks, nerc and ferc regulations, and an aging workforce and infrastructure serve as drivers for outsourcing these complex projects. Errors in location and substation construction can delay a project and may.

Ns114 electrical design and construction standards for. The substation design manual is not intended to replace asset management standards, but rather to act as a reference document that crossreferences existing standards and process documentation and plugs any gaps where asset management documentation does not exist. The data should be appended in pdf and original format. N line electric electrical substation construction n line. Chapter iv system planning, design, construction, and protection nei electric power engineering page iv8 electric outgoing distribution circuits complete with metering and circuit protection as circuit breakers or reclosers a substation fence for safety and security purposes. Abstract the thesis deals with the analysis of construction of power lines and substation switchyard of 3311 kv.

Ill just want to know the more or less the duration for civil, mep and finishing for a 6,000 m2 substation. While the coverage is primarily about constructing new substations, much of the material is applicable to existing substations. A substation is a part of an electrical generation, transmission, and distribution system. Ttr substations is unique in the substation construction industry in its capacity to offer both electrical and civil substation construction services under one roof. Oct 26, 2015 a gas insulated substation gis is a high voltage substation in which the major structures are contained in a sealed environment with sulfur hexafluoride gas as the insulating medium. A variety of permits are often required by the regulatory bodies before construction of a substation may begin. Electrical substations projects in mumbai, antelec ltd. The robert henry corporations has been in the power substation construction business for over ten years and have the technical personnel that understand the complicated systems involved with the unique demands of power substation construction and the high voltages involved in these electrical systems. Guide for the design, construction and operation of. Substation layout electrical substation electricity. K substation standards switch operating and equipment platforms electrical design and details 20. Electrical substation engineering aspects course no.

Electric reference materials our reference material center contains useful information to help anyone who is planning and installing electric, transmission or distribution utility services. It was designed by walter frederick white, city architects office and municipal council of sydney and built in 1928 by the municipal council of sydney. We have the experience, equipment and tooling to provide substation construction services to large scale electric utilities down to small private industrial facilities. Construction standards for mv substation buildings esb networks. Substation construction manual page 2 of 57 reference ni000401r122 ver 3 ergon energy corporation limited abn 50 087 646 062 ergon energy queensland pty ltd abn 11 121 177 802 4. Power substation construction the robert henry corporation. If you have any questions regarding the manual, please contact us. Wbs for a substation dedicated to project controls. The electric power substation, whether generating station or transmission and distribution, remains one of the most challenging and exciting fields of electric power engineering. Jea is responsible for approval of materials and the design standards used in the construction of its electric infrastructure. System planning, design, construction, and protection. Cpm scheduling, basic engineering, and project approach. Distribution substation a distribution substation transfers power from the transmission system to the distribution system of an area. Electrical substation construction automated energy.

990 1432 618 718 1417 1126 1156 1270 301 26 178 1228 38 1554 1517 1069 1429 355 542 1516 1302 1092 1301 195 824 433 59 1148 343 1358 1141 143 754 1255 664 543 890 1235 94 533 1424