The system parameters for 765kv, 400kv, 220kv, 2kv and 33kv are given. Aug 15, 2017 tour to 233 kv substation situated in singrauli m. Uttar pradesh power corporation ltd, dohna 220233 kv substation substation for transmitting power up to 280mw for urban and rural areas of bareilly district customer benefits power transmission from 400kv bareilly substation to 220kv dohna substation improved efficiency due to reduced line losses of approx. Distribution voltages are typically medium voltage, between 2. A cable fed substation will have a split factor somewhere between 5% and 40% depending on the cable sheaths and earthing configuration where a substation is fed via overhead line and has no metallic return path, all the earth fault current with flow through the mass of earth and the split factor will be 100%. Single line diagram of 3311 kv jampaijala for tender purpose. Technical specification construction of 3311 kv primary sub. A substation is a part of an electrical generation, transmission, and distribution system. Ctr 15050 11 a single line diagram of 3311 kv jampaijala for tender purpose only. In phasei, a study of existing network and availability of space for the substation and lines up to 11 kv of the campus is to be carried out. The test report shall be submitted officially two 2 copies to moe the soonest after execution of each test.
These are like national grid substations but smaller and transform electricity between 2 kv, 33 kv and 11 kv. Generally, substations will be fed from one source. 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. Design, supply, installation and construction of 33 kv double circuit line withbearconductor on selfstanding lattice tower of duhabi tankisinuwari. They produce fields in a similar way to a national grid substation, only generally at a lower level reflecting the lower voltages and smaller sizes. Electrical substation, unitised package substation. Kenya power transmission system improvement project lot 3233 kv substations and switching stations volume 2 section vi employers requirements. Agrawal 1,2,3be student123, department of electrical engineering 4proffessor4, department of electrical engineering kdk college of engineering, nagpur, maharashtra, india abstract transmission. Established in 2012, the agency comes under the authority of the department of power. Gaurav singh dbcr type isolators are used in 3311 kv substation current transformer potential transformer references. Complete design,engineering and consultancy services for 2 33 kv,2x50 mva ab zone substation 7x2 kv bays,12x33 kv bays, 11 kv 7 panel swbd. September 26th, 2015 view comments comments please. In apcpdcl most of the substations are designed for two power transformers, two 33kv incoming sources one regular and one alternate supply and will be feeding six to eight 11kv feeders. Epc one transformer position 332kv 80mva and two line positions, double bar by gis technology location.
Abstract the thesis deals with the analysis of construction of power lines and substation switchyard of 3311 kv. After completion of all factory tests, the contractor shall bind all test reports properly. Instrument transformers are designed to provide reliable performance in accordance with latest stringent global design standards like iec and ieeeansi. There must be provision for 2 additional 11 kv outgoing feeder for load enhancements in future. Supply, delivery and commissioning of 233 kv, 15 mva transformer bay at lamosangu substation and installation, erection, testing and commissioning of 15 mva, 233 kv power transformer. Tender document for construction of 233kv substation on turnkey basis for supply, transportation, erection, commissioning and civil work tender no 1435233 kv vol. The paper presents a real case of nonionizing radiation testing in an apartment located directly above a. This is an article on technical subject pertaining to 3311kv substations. We offer 11 kv, 33 kv, 66 kv and 2 kv substation supply installation work in gurgaon, dehi, ncr, haryana, rajasthan, and other parts of india. Complete design,engineering and consultancy services for 233 kv,2x50 mva ab zone substation 7x2 kv bays,12x33 kv bays, 11 kv7 panel swbd. Electricity service division, samdrup jongkhar esd. The following current and former members of the substation subcommittee of the nreca.
Pdf analysis of 3311kv rsu injection substation for improved. The substation rating is defined as per the power handling capacity, location and purpose of substation. Our high quality and efficient substations are widely used in industrial and residential sectors. Study of 3311 kv substation and power distribution. The first step in planning a substation layout is the preparation of a oneline. Existing and proposed single line diagram for 3311 kv. Substation substation a station in the power transmission system at which electric power is transformed to a conveniently used form.
Schematic diagram of 110 kv substation consumables supply of all consumables required for startup, commissioning, initial filling and performance tests is included in the scope. A comparison of land area requirements between a conventional single busbar fully switched outdoor 33 11 kv distribution substation 2150 m2, a fully switched onestorey indoor substation 627 m2 and for the transformerfeeder arrangement 420 m2 is shown in fig. Guidelines for substation and power distribution systems. Location of the surrounding loads in the layout of both the current and the. Economical voltage rating has been categorised for different power range to be received thumb rule. The power from main bus was fed into a 20mva transformer which. The aim of this project is to provide the consultancy service to doctor harisingh gour vishwavidyalaya, sagar mp for substation design, feeder up to 11 kv and estimation of cost. Single line diagram of 11kv substation substation provides the energy supply for the local area in which the line is located.
Ctr 15050 11 a single line diagram of 33 11 kv jampaijala for tender purpose only. Electrical design of 233kv substation line diagram. This job is again accomplished by suitable apparatus called substation. Similarly near the consumers localities, the voltage may have to be stepped down to utilization level. Linden relies on technology developed by ge energy financial services to control the power flow off an existing transmission line from a generator located in linden, n. Oct 07, 2014 the rec standard mentions that an outdoor type 33 11 kv substation should have 2 power transformers and 3 outgoing feeders. Layout of a typical 500 kv substation using airinsulated switchgear. Mecs portion of the project was located at an open air substation at. No description of technical parameter unit data 1 nominal system voltage kv rms 33kv 2 maximum system voltage kv rms 36. Additional annunciation system for 3311kv substations. What is the criteria for selection of 33kv11kv or 66kv.
This ensures a product with less maintenance, low weight, flexible mounting facilities, high reliability. Distribution substation manual section 9 33kv substation arrangements 9 33kv substation arrangements index of drawings drawing number drawing title dsm901 district substation 33kv315500kva ips non fire rated. Goethals 345 kv substation mass electric construction co. They are smaller than a national grid substation but bigger than the final distribution substations that transform the electricity from 11 kv to the 400 v or 230 v that supplies our homes or workplaces they produce fields in a similar way to a national grid substation, only generally at a lower level reflecting the. These substations transform electricity between 2 kv, 33 kv and 11 kv. Abstract the thesis deals with the analysis of construction of power lines and substation switchyard of 33 11 kv. Sep 20, 2015 the project work assigned to us was to 233 kv ehv substation electrical design. Design criteria on substation protection by using instrument. The incoming voltage level for this substation is 220kv. Design parameters and standard layout of a 3311 kv substation. Study of 3311 kv substation and power distribution under. Nominal system voltage kv highest system voltage kv phase and earth mm between phases mm safety clearance mm ground clearance mm 11 12.
Kec is the leading manufacturer of switchgear, unitised package substation, electrical substation manufacturers in 3 type 11kv, 22kv and 33kv. A cable fed substation will have a split factor somewhere between 5% and 40% depending on the cable sheaths and earthing configuration where a substation is fed via overhead line and has no metallic return path, all the earth fault current with flow through the. Jan 26, 2014 this is an article on technical subject pertaining to 33 11kv substations. At present the units of bhel, tiruchi receive power supply from tamil nadu electricity. The station may consist of transformers, switches, circuit breakers and other auxilliary equipment. Technical guide the mvlv transformer substations abb group. An electric substation is constituent of electrical transmission and distribution system. The typical protection systems of two transformers 60mva, 2303311 kv and 100 mva, 2303311 kv of pyinmanasubstation have been mentioned. Scholar, electrical and electronics engineering department, aisect university bhopal, mp, india. Installation of 11kv440v distribution substation ajinkya lonare1, pravin 2bodadkar, 4shuchiket darunde3, dr. The number of 33 kv incoming feeder may be one or two depending upon the requirement.
The rec standard mentions that an outdoor type 3311 kv substation should have 2 power transformers and 3 outgoing feeders. Sep 20, 2015 the project work assigned to us was to 2 33 kv ehv substation electrical design. A comparison of land area requirements between a conventional single busbar fully switched outdoor 3311 kv distribution substation 2150 m2, a fully switched onestorey indoor substation 627 m2 and for the transformerfeeder arrangement 420 m2 is shown in fig. Pdf analysis of technical losses in 33 kv feeder a case study of. Uttar pradesh power corporation ltd, dohna state transmission. This calls for extrahighvoltage ehv substations to act as load hubs in the city. Mec was awarded the goethals 345 kv substation job by linden vft, llc linden.
570 81 558 956 179 900 794 1119 1350 602 361 507 155 1309 414 457 119 1433 1203 388 408 587 1090 75 763 663 1473 1473 1325 1480