Similarly near the consumers localities, the voltage may have to be stepped down to utilization level. Pdf on may 21, 2020, malay and others published 66 11 kv distribution substation design find, read and cite all the research you need on. This specification shall be read and constructed in conjunction with other sections of bidding document. All rus borrowers rus electric staff effective date. Relays are used for disconnecting the circuits by manual or automatic operation. Layout design of 33 11 kv substation xls layout design of 33 11 kv substation downloads at download free xls files,ebooks and documents in. Conclusionwhile making this project on design and constructed of 3311 kv lines and switch yard, i conclude that in this overall project and report for electrical engineering i put my great effort to understand and explore more and more about the construction of lines and switch yard designing for substation. Download as pptx, pdf, txt or read online from scribd. This bulletin is an update and revision of previous rea bulletin 651, design guide for rural substations revised june 1978. Design of earth grid for a 3311kv gis substation at a. Pdf on may 21, 2020, malay and others published 6611 kv distribution substation design find, read and cite all the research you need on.
At these load points, a transformer further reduces the voltage from 11kv to 0. Substation work, equipments data, operational manual, etc for the owners. Technical specification for 11 kv packaged substation. Unit substations usually contain high and low voltage disconnect switches, one or two threephase transformers, low voltage breakers, high voltage fusing, bus work, and relays. Installation of ring main units, isolators and 11kv pocket substations. Civil design and construction of 2kv 66kv and 33kv substation.
Download file pdf block diagram of substation66kv 11kv block diagram of substation66kv 11kv thank you very much for downloading block diagram of substation66kv 11kv. Design study for 33 11 kv substation, distribution and protection in the city of kenya. Design and installation of complete lighting system for different kinds of pus. Before choosing the nominal values of different devices in the substation and deciding their location in the substation, it is necessary to draw a single line diagram, also called a key diagram. Each 11kvfeeder, which emanates from the 3311kv substation branches further into several subsidiary 11kv feeder to carry power close to the load point final consumers. Construction of 3311kv substations undp procurement notices. Equipment spacing shall be in accordance with the applicable codes. Table 11 yard minimum clearances nominal operating voltage phph 1,2, kv nom 1 basic impulse level. A design layout of 233 kv, 200 mw substation the substation is connected with three substations or load viz. Design and installation of fixed earthing systems major substations. Dec 20, 2019 home download center electrical engineering books and technical guides power substation guides training report on 3311 kv substation 3311kv substation indiranagar the main bus 33kv is connected to grid located at sector25, indiranagar, lucknow. Earth mat designing of substation free download as powerpoint presentation. Installation of 11kv440v distribution substation international. Fig i shows the layout of polemounted substation 2.
This document specifies the requirements design for 11kv, 6. Design of 6611kv, 20mva substation before the ratings of various items of equipments in a substation are chosen and their locations in the substation decided it is necessary to draw a single line diagram, also called key diagram. Another way to enhance security of supply is connecting up two 11kv rings or connecting up two customer substations within the same 11kv ring. It is a distribution substation placed overhead on a pole.
A unit substation is factory built and tested, then shipped in modules that are bolted together at the site. The use of simplified load flow techniques for 11kv network design. Design of earth grid for a 3311kv gis substation at a high. Single line diagram 33kv11kv substation in hindi youtube.
Low voltage ac supplies at 33kv and 66kv substations. Substation construction western power distribution. Electrical switchyard is usually a part of substation where electricity is transferred from one voltage. Pdf load flow analysis of 11 kv test feeder with and. The software configurations that can be downloaded to the device are of two types. For example we cannot use electricity directly form 11 kv power line or 33 kv. Requirements for major substation earthing are specified in st. Find cheap, durable and dependable 11kv substation design.
Scribd is the worlds largest social reading and publishing site. For remote communications access and associated download of metering. The contractor shall be responsible for the complete design and engin. Design of earth grid for a 3311kv gis substation at a high soil resistivity site using cymgrd software. Total connected load, maximum demand and capacity for individual 11kv substation. Access to list of flagged cases defaulters, idf, nc pending and first bill pending cases. Substation design services extra high voltage ehv air insulated outdoor switch yard substation design and drawings is our main product for more than last fifteen 15 years.
Medium voltage products technical guide the mvlv transformer. Technical guide the mvlv transformer substations abb group. Preliminary and detailed primary plant design substation site, drainage, elevations, and setting out for. It also discusses the design and security issues that need to be addressed in the. These voltage values, which are all line to line values are 66kv, 22kv, 11kv, 6. Single line diagram33kv11kv substation this is the easy way to understand the working of substation. Right here video courses membership download updates. This job is again accomplished by suitable apparatus called substation. Equipments which are installed on dipole structure.
Technical requirements for customer export limiting. Shunt capacitor bank along with 11 kv capacitor control panel. The 11kv substation design are connected to high voltage and low voltage cables and comprise of auto switchgear, circuit breakers, protection equipment and motor magnet switch. Most likely you have knowledge that, people have look numerous time for their favorite books past this block diagram of substation66kv 11kv, but stop going on in harmful downloads. Substation design services 4002202kv gis substation. Engineering design standard eds 073101 pre design requirements for secondary substations networks.
This material is made available on the basis that it. At bharatpur substation, the power is transformed into 33 kv and then transmitted to the existing kawasoti substation through 33 kv transmission line with 35 km length. Material technical specifications maharashtra state. Overview of substations what is a substation and why it is. Compact design small size allows passing through standardsize doorways and narrow hallways easy expansion substations divide a system into isolated areas primary power is purchased from the utility at the lower primary power rates, resulting in operational cost savings throughout the life of the equipment. Electrical power substation layout design and construction. The two 25mva 211kv grid transformers at lochay power station were manufactured in 1958 and form an important part of the she transmission system. The substation would be a combination of switching, controlling, and voltage stepdown equipment arranged to reduce subtransmission voltage to primary distribution voltage for residential, commercial, and industrial loads. A 66 kv33kv,star delta transformer is connected to the 66kv bus bars. Sp4000543 typical hardwood doors for 11kv substations 4 sp4000545 typical 11kv brick built substation x or y type separate gear 5 sp4008870 typical 11kv brick built substation 3 panel board with metering 6. Technical specification table of contents page 2 of 8 rev.
Substation tenders, substation tenders information. Eds 073101 predesign requirements for secondary substations. Section 4 is the load flow analysis of the substation. Here, the unique busbar arrangement with sectioning scheme is described in sld. The unit substation is a relatively recent development. It is the cheapest form of substation as it does not involve any building work. The main purpose of these 11kv substation design is to control, distribute, break, as well as convert the power supply by entering the high voltage cable and then to the. The power station is supplied from the killin 233kv grid substation through the 2kv single overhead line. Substation design criteria page 4 of 8 electrical clearances yard clearances the substation shall be designed to provide at a minimum, the yard clearances and spacing in table 11. The power is transformed from 33 kv into 11 kv at the existing kawasoti substation and then distributed to each consumer.
Section 5 contains the alert summary report generated after load flow analysis. Each 11kvfeeder, which emanates from the 33 11kv substation branches further into several subsidiary 11kv feeder to carry power close to the load point final. Home university of southern california dissertations and theses 66 to 11kv new distribution substation design. Sp4000543 typical hardwood doors for 11kv substations 4 sp4000545 typical 11kv brick built substation x or y type separate gear 5 sp4008870 typical 11kv brick built substation 3 panel board with metering 6 sp4049060 typical 11kv brick built substati on d or g type rmu with metering 10. What structural engineers should know about substation. Each 11kvfeeder, which emanates from the 33 11kv substation branches further into several subsidiary 11kv feeder to carry power close to the load point final consumers. An online platform to view energy audit relevant kpis of 3311 kv substations catering the following. Design and construction specifications of the substation 4 2. Abstract the thesis deals with the analysis of construction of power lines and substation switchyard of 3311 kv. Scholar, electrical and electronics engineering department, aisect university bhopal, mp, india.
From the same bus bars,outgoing line is taken which goes to the other substation. If you ambition to download and install the cbip manual for substation layout, it is. Design study for 3311 kv substation, distribution and. Pdf 6611 kv distribution substation design researchgate. Design study for 3311 kv substation, distribution and protection in. The 36mva 33 11 kv outdoor substation shall generally by as per the layout drawing no.
Save save earth mat designing of substation for later. Sppssc38r7 technical specification for 11 kv packaged substation page 5 of 77 r6 10. Section 6 is the load flow analysis of the substation with an improvement to surmount the problem of under voltage. It also includes the designing of the double pole structure. This standard outlines the requirements for the planning of secondary distribution substations and customer substations metered at hv or lv, including selection and agreement of locations for substation sites.
Nov 08, 2017 what structural engineers should know about substation rigid bus design. Detailed construction requirements are ecified within the sp overhead line manual, jointing manual and substations and plant sp policy series. By this interring or intraring arrangement as shown in figure 3, the not restorable. The substation would be a combination of switching, controlling, and voltage stepdown equipment arranged to reduce. What structural engineers should know about substation rigid. Abstractthispaper describes the design ofan earthing system for agas insulated switchgear gis substation using. The manager substation design is the subject matter expert sme for the content and shall. Responsibilities the group manager works enablement is the process owner responsible for approving this reference.
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