132 kv substation pdf

Sep 16, 2019 2 kv substation training for students busbars when a number of lines operating at the same voltage have to be directly connected electrically, busbar are used, it is made up of copper or aluminum bars generally of rectangular xsection and operate at constant voltage. Load flow analysis of 2 kv substation using etap software. The substations provide entry points to, and exit points from, the national grid gb or northern ireland electricity network. Nepal electricity authority transmission directorate. Establish a 2kvtake off bay at existing substation, the following will be required. Using etap load flow analysis of 211kv kohat substation.

Substation tenders, substation tenders information. A distribution substation transfers power from the transmission system to the distribution system of an area. Generally, these transformers are employed in transmission type substations where the voltage has to be steppeddown to additional distribution. The shiftincharge shall verify the correct operating pressure of the breaker installed at his grid sub station.

St7 grade while inside substation or buried underground running alongacrossaside the road etc. Up gradation of 2 kv surjamaninagar substation of tsecl into 400 kv in tripura the bidder shall itemize any deviation from the specifications included in his bid. They decided to build an indoor substation as the city had rezoned. Oct 01, 2015 there are two main 2 kv bus incoming for the substation. The existing melkhout substation will be upgraded to allow the tie in of the proposed distribution lines. Each item shall be listed separate sheets may be used and enclosed with this attachment with the following information. Substation for transmitting power up to 180 mw to south west bengal. The major reason for the investment was the need for high reliability, availability and low environmental impact. This job is again accomplished by suitable apparatus called substation.

Tender document for construction of 2 33kv substation on turnkey basis for supply, transportation, erection, commissioning and civil work tender no. Pdf modelling 2 kv substation for surge arrester studies. In such cases it becomes necessary to increase the area of earthing grid. Sep 01, 2014 2 kv substation, purukul, dehradun the 2 kv substation was commissioned in the year 27th march, 1983. There are two main 2 kv bus incoming for the substation. Eskom distribution division basic environmental assessment. 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. Nominal system voltage kv highest system voltage kv phase and earth mm between phases mm safety clearance mm ground clearance mm 11 12. Ieee transactions on electromagnetic compatibility. Single line diagram shows that the source of 2 kv are connected with the three phase short circuit level 24. Tour to 2 33 kv substation situated in singrauli m.

This paper comprises a study which is carried out to investigate and evaluate the effect of lightning stresses on the 2 kv substation in the way to. Computational environment for simulating lightning strokes in a power substation by finitedifference timedomain method. Kusumhapure 2 kv transmission line, lamahi ghorahi 2 kv transmission line, kohalpurmahendranagar 2 kv 2nd circuit transmission line, kabeli 2 kv transmission corridor second and third section and two substation projects namely dhalkebar 220 2 kv and rupani 2 33kv substations were completed and put into operation. This 2 kv grid station located in kpk kohat pakistan which is come under ntdcl. Moe45 mva, 2 33 kv mobile substation 6 one 1 copy of the test report or its draft shall be handed over to each person witnessed the test. Rahul saha diploma, 3rd year, electrical engineering jis school of polytechnic preface to the project reporti have experienced vocational training in wbsetcl kalyani substation from. Specification and technical required undp procurement. Nepal electricity authority transmission directorate modi. Overall pelham wymondley network comprises seven 2 33kv grid substations with associated 3311kv primary substations and a 2 25kv grid substation which form a p26 class e supply group with an average cold spell acs maximum winter corrected demand of 492. Indoor substation for 2 kv customer need borlange energi wanted to replace an old 2 kv substation located in an industrial area. At patensie a new substation with a capacity of 2 x 20 mva will be constructed and will accommodate 2 and 22 kv distribution lines. The long distance transmission is generally at extra high voltages such as 2.

A substation standards switch operating platforms steel design and details 49. Sibashish ghosh assistant engineer, 2 kv substation kalyani submitted by. After completion of all factory tests, the contractor shall bind all test reports properly. Substation grid stations substation is an intermediate switching, transforming or converting station between the generating station and the low tension distribution network situated generally the consumers load. Part c1 construction of five 2 3311 kv substations in desco area january june 2018 prepared by dhaka electric supply company ltddesco for peoples republic of bangladesh. View 400220 2 kv power substation constructionandelectricaldesign. E substation standards switch operating platforms steel design and details 48. The 2 11kv distribution three phase two winding transformers are included in the requirement of the substation excluding super. The current transformers and accessories covered by this specification shall comply with the. The project work assigned to us was to design a 2 33 kv ehv substation. Damauli and 2 33 kv, 30 mva substation at markichowk, tanahu have been completed and charged on 21st chaitra 2075 4th april 2019. The highvoltage 400 kv and 275 kv electricity substations in the united kingdom are listed in the following tables. Procurement of plant design, supply and installation of laha chowk 2 kv substation, new modi 2 kv switching station and 2 kv line bay expansion at lekhnath substation, ifb no.

Sectional view of the feeders table 5 shows the load flow results and by comparing it with table 2 it can be clearly seen that there is an improvement in the power factor. The contract shall include all works and materials needed in each substation in accordance with the contract and shall include but not limited to the following. Similarly near the consumers localities, the voltage may have to be stepped down to utilization level. The manual is applicable for all substation projects regardless of internalexternal design delivery mode. This semiannual social monitoring report is a document of the borrower. Mlss0747501 for the contract price of equivalent to usd 6,474,067. The input for a distribution substation is typically at least two transmission or subtransmission lines.

The system under the study includes a 2 kv 33kv11kv substation source, transformer, feeder, circuit breaker with the capacitor bank and the loads. In this type the front and rear walls are erected independent with a common cover. Substations customers need adwea needed a reliable partner to supply a cost effective 2 kv substation on a space constrained site abbs response 8 bays 2 kv sf6 gis elk04 51 panels 11 kv zv2 sf6 4 transformers 40 mva 2 11 kv auxiliary equipment substation automation customers benefits. Substations customers need adwea needed a reliable partner to supply a cost effective 2 kv substation on a space constrained site abbs response 8 bays 2 kv sf6 gis elk04 51 panels 11 kv zv2 sf6 4 transformers 40 mva 2 11 kv auxiliary equipment substation. Power system expansion and efficiency improvement investment. The actual rating of transformer, circuit breakers, current transformer, potential transformer and isolating switch are taken and modelled in etap in the form of single line diagram. Section 3 is the simulation of single line diagram of 220 kv substation in etap based upon practical data. Pdf grid grounding calculations for a 2kv substation. Simulated diagram of 2 kv substation using etap fig. When a project requires more than one 2 11kv substation, the feeding zone of each substation shall be specified. List of drawings page 1 of 2 substation package ais. Fact file success stories borlange energi indoor substation.

Section 4 is the load flow analysis of the substation. An ac substation has generally 2 or 3 main voltage levels. The test report shall be submitted officially two 2 copies to moe the soonest after execution of each test. Highvoltage substations in the united kingdom wikipedia. The results are based on actual data received from 2 kv substation. The 2kv is the rating of the stepdown transformer, which has a 2kv primary voltage. It was also referred to as jorpati substation before. The capacity of the existing melkhout substation is 120 mva, and this capacity will not be increased. Voltage 420 kv rms 245 kv rms 145 kv rms wbsetcl tech spec rev. The substation in bhinmal, jalore343029, rajasthan is one of. Distribution substations michigan technological university. Tender document for construction of 2 33kv substation on turnkey basis for supply, transportation, erection, commissioning and civil work tender no 1435 2 33 kv vol.

For heavier consumer at large scale their demand is about 2 kv or 33 kv, they take electric supply from secondary transmission or primary distribution in 2 kv, 66kv or. The substation scope is identical to chapagaun 2 kv substation as above. Location of 2 11kv substations should be provided at the load centre and close to district cooling plants if available. Bamburi 2 33 kv substation take off bay bamburi 2kv substation is located at ngutatu area 3km from kiembeni shopping centre. The ssr 2014 rates are updated duly enhancing to the extent of inflation in labour charges as declared by government of india for the year 201415. Distribution voltages are typically medium voltage, between 2. Single line diagram 233 kv 2 x 63mva transformer substation. This document is a reference for the designers of ergon energy substations and it covers all aspects of substation design for both greenfield and brownfield substation projects to meet the performance expected by ergon energy. 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. We considered incoming power at 2 kv and the power was transferred to main bus through isolatorcircuit breakerisolator combination.