Pdf a presentation on 2 kv grid sub station lokesh. Project reference client brief project details 1 design consultancy and supervision services for power supply to sultans special force camp at haima in alwusta governorate. Section 3 is the simulation of single line diagram of 220 kv substation in etap based upon practical data. A 2kv grid station is that part of power system where high voltage of 2kv is received, stepped down to 11kv and then given to different feeders that feed distribution lines. Internship report of 2 kv grid station free download as pdf file. Aug 14, 2016 a 2kv grid station is that part of power system where high voltage of 2kv is received, stepped down to 11kv and then given to different feeders that feed distribution lines. No description of technical parameter unit data 1 nominal system voltage kv rms 33kv 2 maximum system voltage kv rms 36. 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. A station is a subsidiary station of an electricity generation. This subproject involves the construction of 2kv grid station and a 60 m long 2kv double circuit. A design layout of 233 kv, 200 mw substation the substation is connected with three substations or load viz. Intern ship report of 2kv grid station electrical substation. Linking dagenham and crossness, it was built between 1927 and 1932 and was part of the belvederecrowlands 23325 kv double circuit. Aug 15, 2017 tour to 233 kv substation situated in singrauli m.
Pdf earth mat design for 233kv substation in rivers. The three curves shown here are for the normal u phasing, and three different line designs. The environmental assessment requirements of the gop for grid stations and power distribution subprojects are different to those of adb. The adjacent video, which has been designed by specialist company 3d webtech, allows viewers to see what the balallan 2kv switching station and balallan stornoway 2kv overhead line replacement would look like. 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. 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.
Kohalpur, bhurigaon, lamki, pahalmanpur, attariya and lalpur. Similarly other grid stations have same type of diagram but every grid station have different power source and outgoing panel. The project work assigned to us was to design a 233 kv ehv substation. The power from main bus was fed into a 20mva transformer which stepped the. The substation layout drawings and data presented in the app are to be considered as approximations. 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 centre. Comparative analysis of 2kv grid stations from distributed generation perspective anis ur rehman, muhammad iftikhar khan, khadim ullah jan. It is also called by the name transmission substation which connects two or more transmission lines there are different kinds of grid stations as given below 2 kv grid station 220 kv grid station 500 kv grid station grid station 29. The fence is connected to a separate grounding conductor.
The design based substations are indoor, outdoor, foundation mounted and pole mounted substations. This ensures efficient transmission of power, minimizing the power losses. Overall pelham wymondley network comprises seven 233kv grid substations with associated 3311kv primary substations and a 225kv grid substation which form a p26 class e supply group with an average cold spell acs maximum winter corrected demand of 492. Abb has recently put the final finishing touches to a turnkey project to replace a 2 kilovolt kv substation at creyke beck, to serve northern powergrid customers in and around the city of kingstonuponhull. Construction of 2 kv jacobabad ii grid station and transmission line subproject 6 executive summary 1. Substation grid stations substation is an intermediate switching. We considered incoming power at 2 kv and the power was transferred to main bus through isolatorcircuit breakerisolator combination. Chunawala 2kv grid substation and distribution line subproject. The scope of work includes, a new 2202 kv substation lalian with 3 x 250 mva 2202 kv transformer, ii two 220 kv dc transmission lines on. This job is again accomplished by suitable apparatus called sub station. A report on trip to undi 220233kv grid substation bhimavaram 08.
The substations and the grid operated at 2 kv and provided local and regional interconnections. Power grid question papers previous year old pgcil papers 201920. Higher voltage substations were built as part of the super grid designed for the bulk transfer of electricity which began to operate from 1953, firstly at 275 kv then from 1965 additionally at 400 kv. This whole process is carried out by different parts and equipment.
Abbs dcb substations is a marketing app for clearly and easily showing the advantages of a substation equipped with disconnecting circuit breakers in comparison to substations equipped with conventional circuit breakers and disconnectors. Similarly near the consumers localities, the voltage may have to be stepped down to utilization level. They might have a transformer, depending on the possibly different voltages,so that the voltage levels can be adjusted as needed. Our project is to design a 2kv33kv ehv substation where the incoming power is received at 2 kv from a generating station. Internship report of 2 kv grid station electrical substation. The incoming voltage level for this substation is 220kv. From the above information, finally, we can conclude that a subsystem is an essential part of a power grid, and forms a significant connection among the transmission, generating, distribution as well as load point.
The main parts of the grid station are the switch yard, 11kv control room. The environmental assessment requirements of the gop for grid stations and power. Package no name of substation brief scope of works status of substation 1 26 bajkul 2 kv gis i 2 kv gis ss comprising of 4 numbers feeder bays, 2 numbers 233 kv 5031. Typical fields are lower than the maximum field because the clearance is usually higher. Kohalpur mahendranagar 2 kv second circuit transmission line project. A design layout of 2 33 kv, 200 mw sub station the sub station is connected with three substations or load viz. This job is again accomplished by suitable apparatus called substation. Jamrud grid station with more than 55mw and hence this line. The power will be served from nazimabad and valika grid stations through double circuit of 2kv overhead and. The highvoltage 400 kv and 275 kv electricity substations in the united kingdom are listed in the following tables. Pdf earthing is an important aspect of every substation construction. Nepal electricity authority, grid development department. Asian development bank pakistan power distribution. The following facilities shall be provided at all new 400 kv and 275 kv substations.
Construction of 400 kv grid station and transmission line march 20, 2020 competitive bids are invited for the construction of the 4002 kv new rustaq grid station gs and the associated 400 kv overhead line ohl connecting the ibri gs to the proposed 400 kv gs. The upgraded substation will ensure continuity of power supply. Description this is internship report of 2 kv grid station. A single circuit line from station e working at 68% loading supplies 85 mw while a double circuit line from station d working at 70% loading supplies 175 mw power to the busbar. Grid station regulates and controls the power between interconnected transmission lines to increase the reliability of. Introduction to grid station operation and management. Nominal system voltage kv highest system voltage kv phase and earth mm between phases mm safety clearance mm ground clearance mm 11 12. Construction of 400 kv overhead line march 20, 2020. From the above information, finally, we can conclude that a subsystem is an essential part of a power grid, and forms a. Section 4 is the load flow analysis of the substation. This report is regarding the trip to undi 220233kv grid substation undi and experiences during the visit on 08. Const of new 2 kv transmission line from piplan bhakkar tl to 66 kv grid station rakh dagran 7 executive summary 1. The double circuit three 03 km long 2 kv tl subproject from piplanrakh dagran grid station has been proposed by faisalabad electric supply.
Starting from the generating stations to the end users, voltage is needed to be stepped up and down several times in various substations. Intern ship report of 2kv grid station free download as word doc. The substation is fed 16 mw power from 3 generating stations a,b,c through 400 kv single circuit lines working at around 87% loading the power is received on 400 kv busbar double main and transfer bus scheme. With the cessation of generation at belvedere power station, this line was dismantled in 1987 2006 death. There was at one time an earlier 2 kv crossing nearby, with towers 148. Highvoltage substations in the united kingdom wikipedia. 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. Powergrid, the central transmission utility ctu of the country, is engaged in power transmission business with the mandate for planning, coordination, supervision and control over complete interstate transmission system. The load connected with the system is industrial load, offices load, plazas, shops and domestic load. This paper presents a comparative performance evaluation of all 2 kv grid stations and 2kv short transmission lines in peshawar division. An electrical power substation is a conversion point between transmission level voltages such as 2220400765 kv and distribution level voltages such as 3311 kv.
Pdf load flow analysis of 2 11 kv distribution sub. Design analysis of 233 kv grid substation fazilpur. Load flow analysis of 2 11 kv distribution sub station using static var compensator for voltage enhancement a case study article pdf available november 2009 with 1,817 reads how we. Grid stations or grid sub stations are the stations which reduce the high voltage to low voltage. Analyses and monitoring of 2 kv grid using etap software. The ergon energy design philosophy is to provide substations. Earth mat design for 233kv substation in rivers state using etap. Construction of 400 kv grid station and transmission line march 20, 2020 competitive bids are invited for the construction of the 400 2 kv new rustaq grid station gs and the associated 400 kv overhead line ohl connecting the ibri gs to the proposed 400 kv gs. 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. With the cessation of generation at belvedere power station, this line was dismantled in 1987. Load flow analysis of 2 kv substation using etap software.
What is the difference between a grid and a substation. National grid substations technical specification ngts 2. L7 the highest, a smaller pylon design, the l2, and a woodpole design. An electrical grid station is an interconnection point between two transmission ring circuits, often between two geographic regions. Linking dagenham and crossness, it was built between 1927 and 1932 and was part of the belvederecrowlands 2 3325 kv double circuit. Power grid question papers previous year old pgcil papers. Earth fault relay this type of relay sense the fault between the lines and 15 11. To increase the reliability of the system the 220 kv busbar is also fed from 2 other substations. 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. Single line diagram of 11kv substation substation provides the energy supply for the local area in which the line is located. Abbs largest indoor 2 kv substation spanning the full product ownership life cycle, abbs experienced multidisciplinary team of engineers and technicians is qualified and accredited to work on trackside installation, commissioning and maintenance projects. The addition of new 220 kv substation lalian in ntdc system is a part of ntdcs overall power development program and is proposed to strengthen the transmission system. Entry points include power stations, major wind farms and interconnectors from other countries and regions. The performance of grids and transmission lines were estimated by statistical data analysis for summer season with peak loads.
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