The use of electric power substations in generation, transmission, and distribution remains one of the most challenging and exciting areas of electric power engineering. The sparing transformer electrical distribution system allows for good flexibility in switching. Im looking to further my knowledge on the subject and want to know any good texts out there. Topics cover safety, standards, site development, grounding practices, bus configurations, ac and dc ancillary systems, and major equipment. Distribution voltages are typically medium voltage, between 2. It essentially replaces double ended substations with single ended substations and one or more sparing transformer substation, all of which are interconnected on a common secondary bus. Recent technological developments have had a tremendous impact on all aspects of substation design and operation.
Covers the design of the ground grid for safety and proper operation. As you can see, the overview is complex, but on the other hand the mvlv electrical substation is the synthesis of several design activities electrical, mechanical, construction. These typically consist of two main protective devices and a tie device with each service. My sons offer of marriage is with they never mend anything that is to life commitment decisions, wendy said with a laugh. Typical substation electrical design services include. Most gis designs were developed initially for a double bus, single break. For the required configuration of university substations see standard electrical detail 2611 for singleended substations and standard electrical detail 2612 for double ended substations. In 1965 abb delivered the worlds first substation with gasinsulated switchgear gis. Iem power systems is a premier supplier of electrical equipment and substation packages. The double ended substation configuration shall be arranged for easy expansion from each end. This bulletin is an update and revision of previous rea bulletin 651, design guide for rural substations revised june 1978. Manual for transmission lines and substation construction and.
It essentially replaces doubleended substations with singleended substations and one or more sparing transformer substation. Electrical design standards checklist the design team is required to read and comply with the full design standard as it applies to this project. Single busbar, double busbar and breaker and a half switchyards up to 330kv. Preface this is the second edition of the handbook of electrical design detailshedd, orig inally published in 1997. Anyone know of a good book on substation design or power. Entergy will construct their portion of the station to the substation fence including foundations. Chan encyclopedia of life support systems eolss remote control facilities to enhance the security of supply. The substation design manual is not intended to replace asset management standards, but rather. Scholar, electrical and electronics engineering department, aisect university bhopal, mp, india. Calculationofimportantdesignparametersforgroundingsystemsinsu.
Each transformer in the double ended unit substation will be sized to serve approximately 6070 percent of the substation. Medium voltage products technical guide the mvlv transformer. Substation structure design guide asce manuals and reports on engineering practice book kindle edition by kempner jr. The normal service consists of an unusual double ended arrangement. Most gis designs were developed initially for a double bus, sing le break. This book contains information obtained from authentic and highly regarded sources. Anyone know of a good book on substation design or power systems in general. Transmission and distribution substation projects operating. Applications and considerations ieee ced houston chapter 201220 oneline diagrams the oneline diagram is probably the single most important document in the substation design package. Technical specification construction of 3311 kv primary. For spot network and double ended substations, provide relays and interlocking so that control power is available if one or more transformers is energized.
For the required configuration of university substations see standard electrical detail 2611 for single ended substations and standard electrical detail 2612 for double ended substations. On standard dry types you can get 33% increase over base with cooling fans. Prepared by the subcommittee on the design of substation structures of the committee on electrical transmission structures of the structural engineering institute of asce. Substation structure design guide asce manuals and reports. N transmission line standards barbed wire gate for rightof. Westinghouse electric corporation, electrical transmission and distribution reference book. Electrical distribution systems critical facilities round table 12th. The users shedding or cycling of non essential loads is generally. This handbook covers design criteria for electric power distribution systems including basic data, overhead and underground distribution systems, submarine cable systems, and substations. Federal and state environmental permit information was also included in this document for reference. Our substation design solution reduces the amount of time to complete design and minimizes errors that cause rework during. The power will be provided by connecting the factory to 33 kv mv voltage level.
Jan 01, 2008 prepared by the subcommittee on the design of substation structures of the committee on electrical transmission structures of the structural engineering institute of asce. Consider that you would like to choose a transformer to supply power to a factory which requires maximum of 270 kva of power at 400 v on the lv side and no expension is considered for near future. The 21st century substation design power systems engineering. Introduction to electrical systems for medical facilities. Abstract the thesis deals with the analysis of construction of power lines and substation switchyard of 3311 kv. Part 1 also provides an overview of substation major equipment, explaining the mission, and arrangement of each component.
The ergon energy design philosophy is to provide substations. Electrical distribution systems critical facilities round table 12th quarterly membership meeting june 2, 2006 david d. Double ended substations or capabilities to close a tie to another building uw class n2s. The manual is applicable for all substation projects regardless of internalexternal design delivery mode. Description of change pages sections modified approver initials. These programs are intended to reduce load on the utility grid in response to a 1 hour or 1 day ahead signal from the utility. It is a wellillustrated reference book on electrical power and lightinghow it is generated, transmitted, distributed, and used.
A good example of a system with circulation currents would be a double ended substation. The future substation design requires an understanding how both. Provide one hardwired it data connection to each substation watthour meter. N transmission line standards barbed wire gate for rightofway fences 112.
C transmission line standards electric barbed wire gate for rightofway fences. The development focus for ais was on circuit breaker cb technology that would increase reliability and reduce maintenance. Electrical installation guide 2008 web design guide pdf electrical installation guide pdf. Design requirements use um master specification 261100, unit substations, as basis for design and specifying unit substations. Substation switching schemes electrical engineering portal. Substation layout sizing and layout, control panel plan and elevation design, equipment foundation and oil containment design. To service a new double ended substation at the new building, a new ductbank system extended two new.
Substation structure design guide provides a comprehensive resource for the structural design of outdoor electrical substation structures. The earthing system for the substation or switching station completed by the connection applicant. An example of the above arrangement is the double ended substation or dualfed switchboard. The main considerations taking into account during the design process are. 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. Covers the design of bus support structures and connectors. Final tests of the completed substation in a partially energized environment to. Design of electrical power supply system in an oil and gas. Drawing title 25251400 singer substation arrangement plan 25251401 singer substation sections 1 and 2. A small substation at the end of a radial subtransmission line that might be used to serve a small group of residences. Building primary service the building electrical service shall consist of primary switches with source transfer control in a commonbusprimaryselective configuration feeding a load break primary switch for each transformer on each of the double ended substation. Covers the general design considerations, documents and drawings related to designing a substation. For important substations a ring bus or double bus.
A completed copy of this checklist must be submitted by the design team to the universitys project manager at the end of the design. This book is part of the electrical engineering handbook series published by. Fundamentals of modern electrical substations part 3. Substation design in online resumes, cv, curriculum vitae. We offer high quality individual components or a whole package incorporating all key equipment required for a complete, integrated substation solution at competitive prices. Pad mounted 5% less than substation design dry type transformers. To better understand the importance of electrical substations, lets start with a discussion about the structure of the power systems and their main components. In transmission network, the typical design concept is the n1 reliability application. Substation types distribution substation located near to the end users changes the transmission or subtransmission voltage to lower levels for end users distribution voltages varies from 34,500y19,920 v to 4,160y2400 v blast and burn generally associated with fault current.
This manual offers the most current guidelines available on analysis methods, structural loads, deflection criteria, member and connection design. Urban substations are usually built in brick, whereas rural ones are often installed externally directly on the mv pylon. Entergy will design, install, maintain, own and operate the 230 kv ring bus. These large stations typically serve as the end points for transmission lines. The reason for the inquiry is that i was having a friendly discussion whith a coworker who design his double ended systems for 100% of the building load, even if its a non. The level of design detail can be customized from minimal design consultation and advice to a complete design package with specifications and drawings. The associated field guide is a waterproofed version of this manual, which summarizes key erosion and sediment control points for use by field. Electrical substation design fundamentals learn the fundamentals of electrical, civil and structural design issues of electric power substations. Switchgear and circuit breakers failures and case studies. In order to design the best distribution system, the system design engineer. Home online resumes pdf doctxtrtf cv and resumes search substation design. Covers the layout considerations, bus configurations, and electrical clearances. For double ended configurations, each secondary main breaker shall be key interlocked with tie breaker. Electrical earthing design complete guide pdf electrical.
Costeffective, compact design expands capabilities at major u. It consists of two dead end poles to terminate the lines, two manual nonload break switches. He is member of institution of engineers mie and ceng,india. Security of supply or substation service continuity is the main factor in selecting the switching scheme. Switchgear and circuit breakers failures and case studies ue systems 2015 reliable asset conference june 4th dan crawford, group manager field engineering, fm global. You might look at the fan cooled rating of the transformer. Ei to design amethod to calculate the total groundresistance of a system of two substation grounding grids intertied by a bare conductor, as seen from the station where the fault occurs, and lie ground potential rise at both the substations. With limited space, the challenge was to closely match the existing footprint of the single ended unit substation with double ended. Moffittlong double ended substation hcmh, hcmh2 and hcml. By mladen kezunovic the new substation t he electricity grid was invented in the 19th century and greatly expanded in the 20th.
Loading considerations when paralleling transformers. This bulletin provides a basic design guide and a reference tool. Sparing transformer system a largerscale version of the secondary selective system is the transformer sparing scheme. To facilitate building automation system monitoring of electrical power system status, connect the following devices to a ddc panel. Design guidelines and standards manual university of cincinnati medium voltage substation 16310 d1 5182000 section 16310d medium voltage substation a. With gis the footprint of substations can be reduced. The following current and former members of the substation subcommittee of.
The substation consisted of two 14 mva transformers, two 8 kv breakers and nine 12. When the decision is made to install a double ended substation you are most often dealing with critical loads. Primary and secondary electrical distribution systems. There are three double ended substations in moffittlong hospital. Substation automation handbook some 400 pages this book arrived on time after the august 14 power blackout. Eaton s marina designers are able to assist in the design and layout of your marina or rv park electrical system from the primary service provider to your power pedestal. The oneline diagram defines the design parameters and scope of the designa road map. The owner needs to give some direction on just how much capacity he wants if a transformer fails. The input for a distribution substation is typically at least two transmission or subtransmission lines. This new more compact design is able to be installed indoors or outdoors in fire rated or nonfire rated environments, allowing the designer to look at the application of power to a unit substation certified for any installation double ended. Basis of design this section applies to the design and installation relating to building services.
It consists of two dead end poles to terminate the lines, two manual nonload. Considerable new information has been added in this edition but it is a smaller volume, making it more. Distribution substation a distribution substation transfers power from the transmission system to the distribution system of an area. Complete security of supply may be achieved by duplicating all circuits and substation. To secure and improve electric power networks, substation experts all over the world should order and read this book. Jul 15, 2015 improve project delivery and better manage design information across the entire project lifecycle with intelligent substation design, a modelcentric approach that unites 3d physical and electrical design disciplines. It is a wellillustrated reference book on electrical power and.
Recognizing the grids complexity and relevance, the national academy of sciences declared the electricity system. Fundamentals of modern electrical substations part 1. These practices and procedures, when properly implemented, will minimize or prevent erosion and sediment pollution from adversely affecting sensitive resources, such as, streams, ponds, lakes, wetlands, and natural vegetative. In this practical project, the design of power supply in oil and gas refinery is investigated. Status contacts of main and tie circuit breakers in double ended unit substations. Pdf electric power substations engineering, third edition erlet. Our team has a thorough knowledge of substation design, as well as wealth of. Horizontally mounted doublebreak switch with grounding switch.
C2 appendix c table of contents substation drawings singer substation drawing no. Design guide for rural substations usda rural development. Unesco eolss sample chapters electrical engineering vol. 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. Technical guide the mvlv transformer substations abb group. Covers bare conductors, rigid and strain bus design. Distribution substations michigan technological university. The solution should be standard, commercial, offtheshelf solution, to meet general standardization requirements customary in the field of. Manual for transmission lines and substation construction. Technical specification construction of 3311 kv primary sub.
A distribution substation transfers power from the transmission system to the distribution. Prepared by the asce subcommittee on the design of substation structures, this new manual offers current recommendations developed by substation structure designers utility engineers, structural and electrical engineers, and anyone that works in the field of transmission line substation design will benefit from this manual. E to develop a finite expression, for calculating the footing resistance in a substation. Double cross coins change place, then one travels to the other 23. In these kinds of projects, the job is usually done in two main stages. This is the second edition of the handbook of electrical design detailshedd, originally published in 1997. This document outlines the primary design standard for transgrid substations. Substations customers need rehabilitation of a more than 40 year old 220110kv ais substation first turnkey project on transmission level the power transfer russia europe requires the reenforcement of the 400kv grid with a maximum degree of availability and economy abbs response turnkey 220kv gis and 110kv pass substation.
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