Electric transmission specifications and drawings, 34. In order to design the best distribution system, the. The power from main bus was fed into a 20mva transformer which. Substation structure design guide asce manuals and reports on engineering practice book kindle edition by kempner jr. Hannanewton falls 8 kv transmission line rebuild project case no. Blue 8 kv green 69 kv 9 intertie substation design ieee houston section ced seminar january 8 2019. System planning, design, construction, and protection.
Dc and ac schematic diagrams of all controls and relaying systems. Replacing the transmission structures on an island is more challenging than just being 2,400 miles from the mainland. The project is necessary to provide a second independent 8 kv source into the wellington substation and increase reliability and operational flexibility of the 8 kv and 69 kv. The standard design used by rocky mountain power for new substation screening. Covid19 epidemic impact on protective relays and grid modernization. Hookstick operated switches are often an integral part of a substation design with applications of disconnecting, transferring, and bypassing. Construction of a new 8 kv substation would also require construction of additional transmission line extensions, which will further increase impacts. Electrical design of 233kv substation line diagram. E substation standards switch operating platforms steel design and details 48.
The seminole 8 kv substation is located on the west side of i45 in league city, texas. Ieee houston section continuing education on demand. Interconnection requirements for transmission facilities. Designing a power substation consider an earthing and bonding. The trade zone 8 kilovolt kv substation project includes plans to build the new trade zone 8 kv substation in south mcallen and connect the substation to the existing south mcallen las milpas 8 kv transmission line. Siemens has proven to be a reliable, trustworthy supplier of highvoltage substations for all voltage levels and for all applications from basic substations with a single busbar to interconnection substations with multiple busbars or a breakerandahalf arrangement for up to 800 kv, 8,000 a, and shortcircuit currents of up to 100 ka.
They connect different parts of a grid and are a source for subtransmission lines or distribution lines. When the standby service is at the transmission voltage level 60 kv and above or at the same service point as the generators interconnection, the generator shall provide the required combination metering units ptct. Beaverwellington 8 kv transmission line project, opsb. Intertie substation design centerpoint energy expectations for intertie substations and the required operation maintenance practices. Highvoltage substations highvoltage power transmission. The shanghai jing an 500 kv substation was designed to supply power for the shanghai world expo. B substation standards switching diagram operating numbers bus configuration. Proceedings of the electrical transmission and substation structures conference 2018, held in atlanta, georgia, november 48, 2018. Asce manuals and reports on engineering practice no.
This substation was a 15breaker, 10position breakeranda. Substations customers need a reliable partner to supply a cost effective 66 kv substation building designed to fit in existing road arrangement abbs response 7 bays 66 kv sf6 gis elk04 17 panels 11 kv switchgear 2 transformers 25 mva 6611 kv. Standard design transmission lines type 3td 115kv 3pole. Plans also involve completing minor upgrades to the distribution system before connecting it to the new substation.
Chapter iv system planning, design, construction, and protection nei electric power engineering page iv4 the 115 kv voltage level is commonly used to deliver power to subtransmission systems and distribution substations. Applications and considerations ieee ced houston chapter 201220 typical 8 kv. It is used to switch generators, equipment, and circuits or lines in and out of a system. No existing transmission lines or substations could serve this purpose and need. Mountainous rocky terrain along a 7mile electric transmission line project to connect two new substations presented challenges such as access issues. Substation structure design guide provides a comprehensive resource for the structural design of outdoor electrical substation structures.
The substation design manual is not intended to replace asset management standards, but rather. Covers the design of bus support structures and connectors. Covers the design of the ground grid for safety and proper operation. Typical 8 kv substation four 4 breaker ring bus w oil circuit breakers. Outdoor oilfilled station service voltage transformer for hv to lvmv substation and remote power needs.
Design guide for rural substations usda rural development. The cables transition to three smaller individual stainless steel pipes to permit termination of the cable. They are not housed together in a pipe, but are set in concrete ducts or buried sidebyside. An example of such a diagram for a 115 kv line bay at a substation is shown in figure 2. This project included the upgrading and rebuilding of the existing 336 acsr, wooden hframe single circuit line from wink to loving, loving to elmar, and elmar to mason. Transmission line design manual bureau of reclamation. Pipe type cables systems shall have all three insulated cable phases installed in a common steel pipe. Ssvt inductive voltage transformers consist of a singlephase design intended for connection between phase and ground on 46 kv 362 kv. The proposed 8 kv transmission line and substation would be needed to provide adequate and reliable power for operation of the proposed rosemont facilities. Substation products corporation is a international supplier of substation structures and electrical equipment. Part 1 also provides an overview of substation major equipment, explaining the mission. A substation standards switch operating platforms steel design and details 49. The associated field guide is a waterproofed version of this manual, which summarizes key erosion and sediment control points for use by field crews.
Siemens has proven to be a reliable, trustworthy supplier of highvoltage substations for all voltage levels and for all applications from basic substations with a single busbar to interconnection substations with multiple busbars or a breakerandahalf arrangement for up to 800 kv. Substations a substation is a highvoltage electric system facility. Sponsored by the structural engineering institute of asce. Heco and hdr partnered to replace the most critical of the roughly 1,300 8 kv transmission structures on oahu. Stepdown transmission substations are located at switching points in an electrical grid. Cleavelandprice offers hookstick switch switches with ratings from 5 kv through 8 kv for use in all of these substation applications. Beaverwellington 8 kv transmission line project, opsb case no. Manual for transmission lines and substation construction. Electric power substations engineering, second edition. Applications and considerations ieee ced houston chapter 201220 transmission level voltages 765 kv 161 kv 500 kv 8 kv 345 kv 115 kv 230 kv distribution level voltages 69 kv 15 kv 46 kv 4. Ii design criteria for electrical facilities connected to. The proposed expansion area is within existing maintained 8 kv and 69 kv row.
Equipmentnominal system voltage 69 kv through 8 kv. Strengthening amtraks south end the ivy city substation. Training is offered annually at our chicago office in the spring and fall. Dear sir, can you suggest me some good book so that i can get to. 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. Substation structure design guide provides a comprehensive resource for the structural design of outdoor electrical substation. This bulletin is an update and revision of previous rea bulletin 651, design guide for rural substations revised june 1978. Station service voltage transformer ssvt 46 362 kv. Trade zone 8kilovolt substation american electric power.
I need a free software for earthmat design for 33kv to 400 kv substations in india. Prepared by the subcommittee on the design of substation structures of the committee on electrical transmission structures of the structural engineering institute of asce. Federal and state environmental permit information was also included in this document for reference. Aug 15, 2016 clearly, a ehv or uhv transmission substation where a large number of critical lines terminate is extremely important, and the substation should be designed to avoid total failure and interruption of minimum numbers of circuits. Home technical articles designing of hv power substation and layout. Transmission line and substation engineering design courses. December 2008 ice storm chapter iv system planning, design, construction, and protection nei electric power engineering page iv4 the 115 kv voltage level is commonly used to deliver power to subtransmission systems and. Sep 20, 2015 the project work assigned to us was to 233 kv ehv substation electrical design. The substation features three 8 kv and three 230 kv underground transmission line terminals, with each voltage having two terminals installed initially and the infrastructure installed for a future line. Electrical transmission and substation structures 2018.
Lines can be as short as a mile or two and as long as 20 or 30 miles. Initial step feasibility study the initial step in strengthening the power system was to conduct a feasibility study and conceptual design for the proposed substation. Aep owns the nations largest electricity transmission system, a thirtyninethousand miles network operating in 11 states that includes more 765 kv. Distribution substation an overview sciencedirect topics. Cleavelandprice offers hookstick switch switches with ratings from 5 kv through 8 kv for use in all of these substation. 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 function of an earthing and bonding system is to provide an earthing system connection to which transformer neutrals or earthing impedances may be connected in order to pass the maximum fault current.
Bus supports are the most basic structure found inside a substation. Subtransmission substations typically operate at 33 kv through 8 kv voltage levels. Fundamentals of modern electrical substations part 1. The manual is applicable for all substation projects regardless of internalexternal design delivery mode. We also offer onsite classes to our clients upon request. There are six common substation bus schemes that every test technician should understand. Design pressure of enclosures the greatest gas pressure to which a gas isolated. Home technical articles 7 design diagrams that hv substation engineer must understand. This substation was a 15breaker, 10position breakerandahalf scheme, for a new combined cycle power plant for calpine corporation in fremont, ohio. Substation design mei maintains a core group of substation engineers and designers with varying backgrounds in the electric utility and consulting engineering industries. Tapered tubular design is typically efficient and economical in deadend andstatic pole situations when compared to aisc standard shape structures.
The east china electric power design institute ecepdi has made the transition from 2d to 3d and has designed the worlds largest underground substation using intergraphs smartplant 3d engineering and design software. Manual for transmission lines and substation construction and. Series 2000 circuitswitcher for substation switching and. Salt lake county electrical plan local planning handbook. Substation bus configuration and substation design. To better understand the importance of electrical substations, lets start with a discussion. Typically, however, lines are generally 10 miles or less. The 230 kv and 345 kv voltage levels are commonly used to deliver bulk power to transmission and subtransmission. Although this book is relatively old now, it is still the defacto guide for substation design. When the standby service is at the transmission voltage level 60 kv and above or at. Substation structure design guide asce manuals and reports. We provided detailed electrical and civil design for three new 8 kv line terminals facebook twitter.
The first step in designing a power substation is to design an earthing and bonding system go to content earthing and bonding. The project area is in industrialbusiness park zoned land surrounded by commercial and light industrial development. Project description tep is proposing to build a 8 kv transmission line from either its vail substation. This paper details the challenges faced when hawaiian electric company, ltd. Substation packager substation products corporation.
A study of 8 kv sixphase conversion as an alternate to 230 kv doublecircuit conversion is discussed with emphasis on the electrical design and performance characteristics of 8 kv sixphase transmission circuits. This site is served by a combination of allweather, gravel and unimproved dirt roads. The basic things about substations you must know in the middle of. Hpff systems have been installed at 345 kv voltages and lower, hpgf systems up to 8 kv and lower. The ergon energy design philosophy is to provide substations. Short circuit levels at the substation are dependent on voltage level and substation size. 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. The new 8 kv research substation provides a powerful tool in producing rapid results that the industry can immediately apply. Construction challenges in paradise hawaiian electric company. Simplified design and complete factory assembly and testing mean the series 2000 circuitswitcher can be relied upon to function properly day in and day out. A substation standards switching diagram operating numbers bus configuration 6. This study concluded that upgrading existing lines to 230 kv doublecircuit or 8 kv sixphase is technically feasible. Initial issuesupersedes all 69 kv and 8 kv related sections.