The ergon energy design philosophy is to provide substations. Index terms clearances, equipments ratings, sld single line diagram, plan layout, section. Construction of 2 kv jacobabad ii grid station and transmission line subproject 6 executive summary 1. We considered incoming power at 2 kv and the power was transferred to main bus through isolatorcircuit breakerisolator combination. These circuit breaker breaks for a fault which can damage other instrument in the station. Power plant electrical distribution systems gary w castleberry, pe 2008 pdh center 2410 dakota lakes drive. Asian development bank pakistan power distribution. Electrical design of 233kv substation line diagram. Complicated distribution substations can be found in the downtown areas of large cities. Inability to despatch generation according to grid requirement. Power generating stations are located at feasible places according to the availability of the fuel, the dam site or an.
The single line diagram shown infigure 4 has been considered. Single line diagram, plan layout, section elevation layout, earthing grid, earthing grid design, dslp direct stroke lightning protection, dslp. Load flow analysis of 2 11 kv distribution sub station using static var compensator for voltage enhancement a case study. The power from main bus was fed into a 20mva transformer which. Sep 20, 2015 the project work assigned to us was to 2 33 kv ehv substation electrical design. The single line diagram of a power system is the network which shows the main connections and arrangement of the system components along with their data such as output rating, voltage, resistance and reactance, etc. Section 4 is the load flow analysis of the substation. Oct 01, 2015 2 kv grid station intern ship training report 1. Substation standard z732 zone substation operating single. It is, sometimes, also called as an electrical power system.
Aug 02, 2018 this is frequently asked in interviews. Single line diagram of 233 kv grid sub station bettiah 2 kv transfer bus 2 kv main bus 33 kv main bus 20 mva abb make tr. The small squares represent the location of circuit breakers. In the right corner of the image, we can see a sld of 11kv to 400 v step down. Power evacuation, main single line diagram, grid interconnection. The modern substation is a complex structure as it requires items of equipment and allied services before it can serve the purpose. Key diagram 11kv400v indoor substation iiteeeestudents. Doc user manual page 7 colors of the single line diagram to makethis documenteasier to consult, the images of the singleline diagram have where possible been created on a white background, thus with the same color configuration as that predefined in the program. Substation single line diagram sld a single line diagram sld of an electrical system is the line diagram of the concerned electrical system which includes all the required electrical equipment connection sequence wise from the point of entrance of power up to the end of the scope of the mentioned work. To design such modern complex structure with considering all design standards is a great challenge. Existing and proposed single line diagram for 3311 kv. The environmental assessment requirements of the gop for grid stations and power. Ctr 200 11 a single line diagram of 3311 kv jampaijala for tender purpose only. At minimum a single line diagram of the system would be very useful.
Customer substation manual 6272019 table of contents page 3 of 82. The single line diagram sld in figure 1 shows the khimtikathmandu 220400 kv transmission line and illustrates how barhabise, laphsiphedi and changunarayan grid substations are interconnected in order to enable transmission supply at 2 kv and eliminate the ongoing shortage of energy in kathmandu valley. Power and energy power is the instantaneous transfer of energy. Ctr 15050 11 a single line diagram of 3311 kv jampaijala for tender purpose only. For economy of construction the collector system operates around 35 kv, and the collector.
Sc electrical engineering 4th year apcoms affiliated with uet taxila islamabad electric supply company limited iesco 2. In india generating voltage is 11 kv mostly, but 6. A mini project report on operation and maintenance of 2202kv power substation. Ppt 2 kv sahupurikarmanasa sc powerpoint presentation. Private substations can often be considered as terminal type substations, i. Pdf load flow analysis of 2 11 kv distribution sub. Interconnection and switchyard layout up to 245 kv. Design of earthing grounding system in a substation grid. The main function of the substation is to collect the energy transmitted at high voltage from the generating station and then reduce the voltage to an appropriate value for local distribution and gives facilities for switching. In dg 01a, we used i bus bar 220 kv double bus bar, 66 kv double bus bar, 11 kv bus, ii incoming 2 x incoming 220 kv, 5 x outgoing 66 kv, 1 x outgoing 11kv.
Transmission line standards aerial patrol warning signs and marker ball marking diagrams 126. The main grid had two transformer bays and one line bay, and comprised the following. C transmission line standards station post jumper insulator assemblies 89. Owners supply materials osm 3311 kv power transformers, station 330. Existing and proposed single line diagram for 3311 kv aska s. Single line diagram 33kv11kv substation in hindi duration. The single line diagram of the 33kv substation is depicted in the figure below.
One line diagram of 2 kv grid station khanewal 01 electrical. Single line diagram s k goyal free download as powerpoint presentation. A power grid consists of generating stations power plants, transmission system and distribution system. Extend nget substation at wylfa with a new 2kv feeder bay. Single line diagram of 11kv substation substation provides the energy supply for the local area in which the line is located. The transmission line component include 220 kv transmission line for inout of k. Single line diagram is the representation of a power system using the simple symbol for each component. In the package materials have been classified as under i. Draw the one line diagram, impedance diagram, and reactance diagram. The transformer steps down the voltage to 400 v, 3phase, 4wire. Ugc approved journal,ugc approved journal,ugc and issn approved,ugc approved, ugc,ugc, ugc approved journal, ugc approved journal,issue,paper,research,journal,ijirt,international,volume,author,publication,scopus approved journal, scopus, scopus indexed journal, scopus journal, free publication, publish free, free of cost publication, free,internationaljouranl,journal,research,research paper. Electric power is transferred by from primary distribution line i.
A mini project operation and maintenance of a 2202 kv. Single line diagram of 3311 kv jampaijala for tender purpose. Power flow analysis of 230110 kv substation using etap. Typical electrical drawing symbols and conventions. Energy storage modules esm up to 4 mw output voltage range. The receiving end of the transmission line is connected to load b and three other generating stations. Technical specification construction of 3311 kv primary sub stations. Single line diagram s k goyal electrical 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. Single line diagram of 320 mva, 220 2 kv grid substation mir bazar. Report on industrial summer training on 220 kv substation. The single line diagram of the substation is simulated in etap based upon actual data and it is seen that at. The construction of 2kv jacobabadii grid station and transmission line subproject has been proposed by hyderabad electric supply company hesco to provide additional power supply to the jacobabad city and nearby towns. Abbs innovative hybrid substations combine gas and airinsulated switchgear technologies to make the installation more compact, minimize maintenance requirements and maximize availability and reliability.
Distribution substations michigan technological university. Section 3 is the simulation of single line diagram of 2 kv substation in etap based upon practical data. The fentress, hickory and shawboro substations were modified to improve reliability of dominions 230 kv system. Single line diagram 33kv11kv substation this is the easy way to understand the working of substation. Sep 27, 2015 as in the case of 2202kv substation, the single line diagram sld shall show. Eds 080150 london 33kv distribution network design and customer supplies networks. Load flow analysis of 2 kv substation using etap software rohit kapahi. What is a electrical substation definition, layout, and. Grid station along with associated transmission line at dha phase7 dera chahal subproject is a category b subproject, as the grid station site does not have any environmentally sensitive receptor. Talegaescondidovalleyserrano 500 kv interconnect project lake elsinore advanced pumped storage project january 2008. Generator transformer an overview sciencedirect topics. Projects product 11kv433v mobileskid mounted substation sheet 5 of 46 with zero adjusting devices for external operation. Technical specification construction of 3311 kv primary.
Dec 12, 2015 above pdf contains two slds of substations 220kv into 400v. Single line diagrams of 220kv66kv11kv transmissiondg 01. An electrical power grid is an interconnected network that delivers the generated power to the consumers. The single line diagram of the given power system network is shown in figure 18. 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. Starting from the generating stations to the end users, voltage is needed to be stepped up and down several times in various substations. The 230 kv and 345 kv voltage levels are commonly used to deliver bulk power to transmission and subtransmission. System planning, design, construction, and protection. The construction of 220kv gis grid station at shalamar includes 3 autotransformers 160 mva. Technical specification construction of 3311 kv primary sub. Network diagram ehv lines detail single line diagrams plcc details index description fibre optic details 1. Chapter3 selection of site main points to be considered while selecting the site for grid sub station are as follows. The project work assigned to us was to 233 kv ehv substation electrical design.
Oct 09, 2014 single line diagram of 11kv44ov substation electrical videos. Download as doc, pdf, txt or read online from scribd. The single line diagram of the substation is simulated in etap based upon actual data and it is seen that 2301 10 kv feeder bus there i s under voltage 2. The first step in planning a substation layout is the preparation of a one line diagram, which shows in simplified form the switching and protection arrangement required, as well as the incoming supply lines and outgoing feeders or transmission lines. One line diagram most power systems are balanced three phase systems. The following one line diagram shows a typical power plant electrical distribution. Iee of new 2kv grid station along with associated tl at dha phase7 dera chahal lesco page 1 1.
This ensures efficient transmission of power, minimizing the power losses. How solar power is connected to the grid electrical. In order to minimize to acceptable values of the currents through the human body, to ensure electrical safety for people working within or near the installation, and also to limit any eventual electrical interference with thirdparty equipment, ais must be provided with an earthing or grounding system, to which all metallic nonlive parts of the installation must be connected, such as. Capacity status rating status capacity status rating status. Section 3 is the simulation of single line diagram of 220 kv substation in etap based upon practical data. Single line diagram 33kv11kv substation in hindi youtube. Line to earth b across isolating gap kv p for 170kvp 195kv p 5 one minute power. Load flow analysis of 2 kv substation using etap software. Pdf power flow analysis of 230110 kv substation using etap. It is a usual practice by many electrical utilities to prepare one line diagrams with. Single line diagram of 3311 kv jampaijala for tender. Aug 05, 2017 single line diagram of substation, single line diagram of power system single line diagram of substation, single line diagram of power system single line diagram of substation 2 33kv single.
The proposal will create a robust independent group of three grid transformers increasing thermal capacity to meet further demand and generation needs. Eds 080150 london 33kv distribution network design and. This document is the initial environmental examination iee for the construction of new 2kv grid station along with associated transmission line at dha phase7. One line diagram of 2 kv grid station khanewal 01 free download as word doc.
667 42 423 1229 1271 1319 1249 540 1468 1052 722 1268 1470 880 156 899 1159 1096 405 675 155 1320 61 628 535 256 1505 527 1061 920 1106 1085 615 761 634 1028 1054 1339 134 710 996 298 620 618 677 648