Covers the application and relevant specifications related to. This is a 22066 kv large green field substation project based on hybrid gis technology with 3x100mva transformers. The first step towards the design of a 4002202 kv substation is to determine the load. The power factor is corrected here and the voltage is stepped down to 33kv and power is then transferred to distribution system of the grid to meet the requirements of the end consumers at their suitable voltage. Our project is to design a 2kv33kv ehv substation where the incoming power is received at 2 kv from a generating station. A substation is a part of an electrical generation, transmission, and distribution system, where voltage is transformed from high to low, or low to high, or many other important functions.
Presentation on summer training from upptcl 2 33 kv substation minto park, allahabad submitted by. The input for a distribution substation is typically at least two transmission or subtransmission lines. Single line diagram33kv11kv substation this is the easy way to understand the working of substation. Hence great care has to be taken to select the layout. E book 4 pa bid document for supply, er e bid refe. The project was successfully executed on time despite short execution schedule.
Sample drawings of power distribution projects equipment. Substation layout electrical substation electricity. The 2 33kv substation is composed of double open type 2kv bus bars four. Maintenance and operation of an electrical substation of. Maintenance and operation of an electrical substation of 220 2 33 kv. Scholar, electrical and electronics engineering department, aisect university bhopal, mp, india.
In this video i describe about the 3311 kv sub station construction, working, and all equipment in full detail. Covers bare conductors, rigid and strain bus design. Layout plan 2kv substation free download as pdf file. This was the first 400kv epc substation project with supply of 2 nos. In video all the major component of substation is explained. A switchyard layout plan elevation drawing shows location of various outdoor equipment in a hvehv switchyard, working and safety clearances among them, ground clearances, sizes of equipment, equipment connection details, insulation levels, boq, space requirement, approach road, road inside the switchyard, ease of equipment handling in the switchyard. They step down the ehv to hv as per the requirement of the customers. The project work assigned to us was to design a 233 kv ehv substation. I transmission line structure standards steel pole structures maintenance provisions details 3. Kenya power transmission system improvement project lot 3 2 33 kv substations and switching stations volume 2 section vi employers requirements. Distribution substations michigan technological university. Home technical articles 7 design diagrams that hv substation engineer must understand. Single line diagram 233 kv 2 x 63mva transformer substation.
It is a part of generation, transmission and distribution. For 400220 2 33 kv substation water for hydrant and high velocity water h. Owners supply materials osm 3311 kv power transformers, station 330. Supply in the package materials have been classified as under i. B light duty transmission line steel pole structures climbing provisions 4. Covers the layout considerations, bus configurations, and electrical clearances. The fill for embankment ranges up to 27 feet in depth and the cut for excavation ranges up to 24 feet in depth. Design, installation, testing and commissioning of switchyard 2 kv, 220 kv, 400 kv and 765 kv. Distribution voltages are typically medium voltage, between 2. Dead end tower of 220kv jagraon line of pseb was shifted from 30m to 100m outside boundary wall. A basic curve is drawn on the layout drawings first and separate horizontal and vertical clearances added. Drawings shall not exceed 22 inches in height by 36 inches in width.
Let us for illustration consider a single phase core type 400 kv 33 kv transformer. Single line diagram 33kv11kv substation in hindi youtube. Revised drawings shall show revision dates and all changes and revisions circled on the drawings. Summer training presentation on 2 33 kv substation minto park, allahabad 1. The ergon energy design philosophy is to provide substations. Table 2 compares different layouts of 123kv outdoor switchyards as regards area, foundations volume and steelwork weight for one line branch and one transformer branch with double busbar, assuming a total size of the substation of 5 bays. Corona shall be limited to 16kvcm for 2kv and below and 19kvcm above 2kv.
Abstract the thesis deals with the analysis of construction of power lines and substation switchyard of 3311 kv. Drawing list hsiidc 1620mva, 2 11kv substation with sas at i. Drawing, documentation and hv equipment requirements. Stability of the system, reliability of power depends on the type of layout chosen and components used in the sub stations. Layout plan 2kv substation electrical substation electric power.
Cb q0 e10 circuit breaker single pole ltb 145 d1 6x1. Typical layout of a substation linkedin slideshare. Technical specification construction of 3311 kv primary substations. Technical specification for design, supply, installation. Overview of 332 kv substation of solar power planttour. The 400 kv to 33 kv transformer would be impractical because of the following reason. Contact us for if you looking 220kv switchyard plan drawing service in india. Design,supply,manufacturing,erection, te sting and. Distribution substation a distribution substation transfers power from the transmission system to the distribution system of an area. 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.
Design,supply,manufacturing,erection, te 2 11 kv substation with sas at i. This document outlines the primary design standard for transgrid substations. We, satcon iso 90012015 certified company as leading offering services and solutions of 220kv switchyard plan drawing based in kolkata,west bengal, india. Bs7354 also specifies phasephase and phaseearth clearances. The most used outdoor switchyard layouts you should know. Existing general arrangementlayout plan drawing of. Hv substation project brief history et bihl d i 1987 f th il ti f l hv mv d established in 1987 for the realization of complex hv, mv and lv projects. Introduction sub stations are important link between generating stations and distribution networks. The sealed envelopes shall be again be put in another sealed cover and should be superscribed construction of 2 33kv. Why in transmission substations 400kv is not directly. Getco, the state transmission company of gujarat is the customer. Figure 2a and b shows the plan and elevation drawings for a typical layout of two 115 kv bays, one for a transmission line and the other for the hv side of. A switchyard layout plan elevation drawing shows location of various outdoor equipment in a hvehv switchyard, working and safety clearances among them, ground clearances, sizes of equipment, equipment connection details, insulation levels, boq, space requirement, approach road, road inside the switchyard, ease of equipment handling in the.