500 kv substation design pdf

The design constraints for the new line had safety clearances that were inadequate for conventional liveline maintenance. Ii design criteria for electrical facilities connected to. The design of partial electric and control system for. Design of the first 500kv substations on the southern. Index terms capacitor bank placement, demand and losses, load flow analysis using etap software, need of load flow analysis, reactive power transmission, surmount the problem of an under voltage, voltage profile. Industrial landuses are not permitted in city of monterey park commercial landuse designation. These lines provide the present 230 kv supply to the south manheim 230 kv substation and the connection to the future 500 kv substation. Drawing labels, details, and other text information extracted from the cad file translated from spanish. Substation types stepup transmission substation the threephase power enters a transmission substation at the power plant transformers step up to extremely high voltages for longdistance transmission voltages for long distance transmission range from 155 kv 765 kv. Based on the analysis of the corona noise, the uv image from busbar in some typical designed substation, and the calculations of the 3dimensional finite element models of spacer, the conclusion is drawn that the twobundle conductor spacers are the main sources in the switchyard.

The results are based on actual data received from 2 kv substation. The underground structure consists of 4 floors while only the main. The ergon energy design philosophy is to provide substations. Project included reconfiguration and expansion of existing 230 kv yard, relocated two 230 kv lines, and upgraded four existing 230kv break ers. Beginning at the south manheim 230 kv substation in penn township, i,ancaster county, the line extends to the west on a 200 foot right of way 0. Based on the analysis of the corona noise, the uv image from busbar in some typical designed substation, and the calculations of the 3dimensional finite element models of spacer, the conclusion. Impact of new grid developments on substation design. Technical guide the mvlv transformer substations abb group. This document outlines the primary design standard for transgrid substations. 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. Beginning at the south manheim 230 kv substation in. The design constraints for the new line had safety clearances that were inadequate for conventional live.

Design included panels and a standard drawing package to apply protection schemes to both new and existing facilities. Design guide for rural substations usda rural development. Bus arrangements reliability cost of configuration available space basic configurations single bus. The requirements in the design and other factors to be considered before the design as well as the beme for the design are thoroughly. An air insulated substation is chosen for the analysis located in pakistan. The design of partial electric and control system for 500kv substation. Palo verde to morgan 500 kv project palo verde to sun valley 500 kv transmission line. Ppl electric has built a new bay bay 2 at the alburtis 500230 kv substation with ppl electricowned relay and control equipment in a new control cubicle. Diagram substation 500kva dwg block for autocad designs cad. Discussion on 500 kv large underground substation design scheme. Wherever conventional substation design exceeds the limits of available space, or the extension of a fully developed substation is required, spacesaving and powerful alternatives are needed.

The whole substation is divided into three part 400kv,220kv and 33 kv and a common control room is used 5 6. Hassayampa tap to sun valley to hassayampa plant project. Initial planning studies typically only consider balanced, steadystate operation. Transmission system projects robert moody director, field maintenance cap transmission capital projects 1. 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. Specifically, a 765 kv line can reliably transmit 22002400 mw i. Ac transmission line impedance parameters ac transmission is done through 3phase systems. The smaller the plot of land, the less impact a substation has on its surroundings. The reduction in installation and construction costs as well as visual impact is substantial. The protective scheme installed in any substation should be fully active to ensure its proper and accurate operation in case of. Typical 8 kv substation four 4 breaker ring bus w oil circuit breakers. The underground structure consists of 4 floors while only the main control room,entranceexit,and intakeouttake remain above ground. You can count on powers team of experts to design solutions from the practical to the creative for the substation issues you face today. This project expanded the substation to accommodate a new.

Pinal central substation to tortolita substation 500kv. Multiyear 50023069 kv substation upgrade florida multiyearmultiphase project added two 4bank 500230 kv single phase transformers, and replaced a 23069 kv three phase transformer. Design and construction of the pinal central substation to tortolita substation 500 kv transmission project is anticipated to begin in mid2009 with an inservice date of mid2011. Ii design criteria for electrical facilities connected to the. A new 330kv switchbay will also be required for the tl 64 cutin works. Surge arrester placement for substation lightning protection. Bpa would need a 150footwide rightofway easement for the new 500kv transmission line and a 50footwide easement for. Civil works are required for a new substation bench to provide new 500 kv busbars, two new 500 kv switchbays for line terminations, three new 500330 kv transformers and the associated 500 kv. Scribd is the worlds largest social reading and publishing site. Peak voltage amplitude kv 50 100 150 200 250 300 400 500 600 700 800. The good design of the electric section in substation and its stable move may effect the electrical system of substation directly, this paper aim at the design of an electric primary section in substation and its supervisory system for the 500kv substation. All protection and control relocated to a new control house.

We have successfully completed thousands of substation projects and have the versatility to design all types of substations from 5 kv through 500 kv. The substation would be located at the existing mesa. Powering the economy small footprint, high performance. In order to determine major trends in 500kv substation design practices, a survey was made of ten major electric utility systems in the united states and canada. The protective scheme installed in any substation should be fully active to ensure its proper and accurate operation in case of any fault. The 345 kv voltage level is treated as 362 kv and is nolonger advocated by standards. I need a free software for earthmat design for 33kv to 400 kv substations in india.

The next level range covers 245 kv and 300 kv with one gis type. The costeffective 500kv compact line design is based on the criteria shown in the adjacent table. Purpose this standard for transmission line design specifies the minimum structural, electrical and geotechnical design required for overhead transmission lines used in transgrids network. Typically, the single doublecircuit dc 500 kv triplecircuit tc 500 kv would hold one 500 kv line and two 115 kv lines sc 345 kv sc 230 kv dc 230 kv areas, one or more existing lines would need to be completely removed, and different towers. Fundamentals of modern electrical substations part 1. The discussion of the design covers first a description of the 500kv grid of transmission lines and substations that will serve as a support for the existing 220kv system.

The first step towards the design of a 4002202 kv substation is to determine the load that the substation has to cater and develop it accordingly. Apart from the complete encapsulated design gis, customers also rely on mixedtechnology outdoor solutions and on spacesaving ais compact solutions. Design lightning outage rates outages100 kilometreyear 7 transmission line design. As part of the northeast georgia system improvement, a 230 kv transmission line would be built from the proposed east walton. In addition to developing a set of cost s to be used by wecc for the. Using the sil concept, three 500 kv or six 345 kv circuits would be required to achieve the loadability of a single 765 kv line. Chapter 3 project components and construction, operation. In this substation, there are six 500 kv diameters 1. The good design of the electric section in substation and its stable move may effect the electrical system of substation directly, this paper aim at the design of an. Legacy rtu upgraded to service existing electromechanical. This bulletin is an update and revision of previous rea bulletin 651, design guide for rural substations revised june 1978. Discussion on 500 kv large underground substation design. Civil works are required for a new substation bench to provide new 500 kv busbars, two new 500 kv switchbays for line terminations, three new 500 330 kv transformers and the associated 500 kv transformer switchbays.

Transmission line design information in these notes, i would like to provide you with some background information on ac transmission lines. The first step in designing a power substation is to design an earthing and bonding system go to content earthing and bonding. Mediumvoltage shielded power cable 2 kv up to 35 kv. The elevations of top surface and remaining 4 floors are2. The 500 kv dcb concept reduces the size of a large 500 kv ais substation from around 60,000 square meters the size of six soccer pitches to about 30,000 sq m. The substation would be located at the existing mesa substation site but would result in a 69. Construction of the 500 2206616 kv mesa substation and demolition of the existing 2206616 kv mesa substation in the city of monterey park. Construction of the 5002206616kv mesa substation and demolition of the existing 2206616kv mesa substation in the city of monterey park. The costeffective 500 kv compact line design is based on the criteria shown in the adjacent table. 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 500 kv jinganworld exposition substation is designed to be a fully underground substation.

The fourth level range the lets in 362 kv and 420 kv voltages with the same gis type. As2067 substations and high voltage installations exceeding 1 kv ac. Wherever conventional substation design exceeds the limits of available space, or the extension of a fully developed substation is required, spacesaving and. The substation earthworks bench shall extend at least 500mm past the perimeter fence external earth grid. This material is made available on the basis that it may be necessary for. Chapter 3 project components and construction, operation and. In addition, we have specialists in geotechnical engineering. Substation design volume ii physical layout instructor. Adequate lighting must be provided throughout the substation to facilitate the manual operation. Design and construction of the pinal central substation to tortolita substation 500kv. The substation is responsible for catering bulk power to various load centres distributed all around through 220 kv and 2 kv substations. Index terms capacitor bank placement, demand and losses, load flow analysis using etap software, need of load flow analysis. Palo verde to morgan 500 kv project palo verde to sun valley 500 kv transmission line sun valley substation 500230 kv morgan to sun valley 500 kv transmission line 2. All rus borrowers rus electric staff effective date.