Electrical substation now days the electrical power demand is increasing very rapidly. Design,supply,manufacturing,erection, te sting and. For fulfilling these huge power demands the modern time requires creation of bigger and bigger power generating stations. A substation is a part of an electrical generation, transmission, and distribution system. Electrical power substation engineering and layout electrical4u. These substations transform electricity between 2 kv, 33 kv and 11 kv. Design of 66 11kv, 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. It is not the intention to specify all design, manufacturing and constructional details of the switchgear. Total 400 220 2 33 1 city divn bhiwani 16 11 2 su divn bhiwani 0058 3 op divn ch. Supply in the package materials have been classified as under i. Kenya power transmission system improvement project lot 3233 kv substations and switching stations volume 2 section vi employers requirements. Economical voltage rating has been categorised for different power range to be received thumb rule. A protection tender was advertised separately from the primary plant tenders for the first time in order that a firsthand relationship. This paper discusses about installation of 11kv 440v substation.
Abstract the thesis deals with the analysis of construction of power lines and substation switchyard of 3311 kv. Utilities via inplace elevation of substation structures and equipment pdf. 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. An electrical substation is a combination of a number of major electrical equipments like power transformers, circuit breakers, instruments transformers, bus bars, lightning arresters, control panels, interconnecting cables, capacitor banks, battery set, and other related equipments designed as per the requirements, size, capacity and class of the substation. There are 155 suppliers who sells package substation 33kv on, mainly located in asia. Projects product 11kv433v mobileskid mounted substation sheet 2 of 46 details of equipments.
The switches normally used for regulator bypassing automatically combine all. Design guide for rural substations usda rural development. These power generating stations may be hydroelectric, thermal or atomic. Electrical power substation engineering and layout. If normal dno practice is followed the design will be ok. The incoming voltage level for this substation is 220kv. The power transformer, circuit breaker, busbar, insulator, lightning arrester are the main components of an electrical substation. Key diagram 11kv400v indoor substation iiteeeestudents.
Zonewisephasewise load details with respective 2 11kv. They range from the very large to the very small see below for a guide. Design study for 3311 kv substation, distribution and protection in. Regional development plan city of london 33kv network all of the cost numbers displayed in this document are before the application of ongoing efficiencies and real price effects. Home our company sustainable development environmental impact assessments midlands 2 11kv substation midlands 2 11kv substation currently selected page image. Is there a way of merging a list of pdf files to a multipage pdf file. Substations are where electricity lines are connected and switched and where the voltage is changed by transformers. Total connected load, maximum demand and capacity for individual 11kv substation. 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. Design study for 3311 kv substation, distribution and protection in the city of kenya. The package substations are made available in a range of sizes between 200kva 3mva and voltages up to 33kv. Aug 1, 2011 a construction of new 3311 kv primary substation. Existing and proposed single line diagram for 3311 kv. Earthing design of 11kv and 33kv rural substations in the uk.
Ghantoot group electrical project division project gallery. This bulletin provides a basic design guide and a reference tool for. 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. A utilitys experience in the implementation of substation. Distribution substations are typically the points of voltage regulation. Depending upon the availability of resources these stations are constructed. The electrical substation is the part of a power system in which the voltage is transformed from high to low or low to high for transmission, distribution, transformation and switching. Design study for 3311 kv substation, distribution and.
The substation rating is defined as per the power handling capacity, location and purpose of substation. Brplehvts itpo prepared by javed ahmed anupam kumar rev. Ghantoot group electrical project division epc of 33. Technical specification construction of 3311 kv primary sub. Electrical substation, unitised package substation. What is the criteria for selection of 33kv11kv or 66kv11kv. The top countries of suppliers are india, china, and india, from which the percentage of 11kv substation supply is 1%, 98%, and 1% respectively. Substation 23033 11kv distributive substations are points in a large electrical power transmission network where highlevel voltage is transformed into mediumlevel voltage, suitable for some industrial consumers supply, and for further.
A wide variety of package substation 33kv options are available to you, such as autotransformer. Title type vehicle body layout and analysis john fenton pdf chapter 9 site selection layout. Single line diagram of 11kv substation substation provides the energy supply for the local area in which the line is located. 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. Epc of 33 11kv primary sub station 80 mva and associated 33 kv cable works at m41 icad labour city, abu dhabi. Kec is the leading manufacturer of switchgear, unitised package substation, electrical substation manufacturers in 3 type 11kv, 22kv and 33kv. Technical guide the mvlv transformer substations abb group.
The hit plus transformers also combine extremely reduced loss values a0ak. Distribution substations these substations transform electricity between 2 kv, 33 kv and 11 kv. However, the equipment supplied must meet the highest standards of design, engineering and manufacturing practices. Study of 3311 kv substation and power distribution under. Owners supply materials osm 33 11 kv power transformers, station 330. Idec technical services provides a high quality electrical design associated with the construction of new and the refurbishment of existing 2kv, 33kv and 11kv substations including. What is the criteria for selection of 33kv11kv or 66kv. Installation of 11kv440v distribution substation ajinkya lonare1, pravin 2bodadkar, 4shuchiket darunde3, dr. The following current and former members of the substation subcommittee of. Nov 14, 2011 key diagram 11kv 400v i the 3phase, 3wire 11 kv line is tapped and brought to the gang operating switch installed near the substation. Abstract the thesis deals with the analysis of construction of power lines and substation switchyard of 33 11 kv. Agrawal 1,2,3be student123, department of electrical engineering 4proffessor4, department of electrical engineering kdk college of engineering, nagpur, maharashtra, india abstract transmission. By incorporating 11kv switchgear, cast resin transformers, low voltage switchgear. Powerdistributionand substation projects reference list sl no.
Electrical substation, unitised package substation, kirloskar. Design, supply, erection, testing and commissioning of new. 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. Epc of 2 nos 33 11 kv package type substation and 48 nos 220. 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%. Ets 0070 11kv and 22kv padmount and indoor distribution transformers ets 0072 padmount substation plinth and culvert ets 0077 padmount substation cubicles substation design instructions s di sdi 101 distribution substation general details and minimum requirements. Ghantoot group electrical project division epc of 3322. The top countries of suppliers are india, china, and india, from which the percentage of 11kv substation. Guidelines for substation and power distribution systems. Ghantoot group electrical project division project. Mounted substation sheet 2 of 46 details of equipments. Ehv combined voltage and current transformer standard. The scope of the project also included the transfer of the 11kv load from the existing 211kv substation to the new 211kv substation, as well as the complete decommissioning of the two existing 35mva transformers, including the transporting, relocating and commissioning of these transformers at another existing city of tshwane 211kv.
The top countries of suppliers are india, china, and india, from which the percentage of package substation 33kv supply is 1%, 97%, and 1% respectively. Most of the pdfs i want to merge contain the mapframe with the map details and. A wide variety of complete package substations are manufactured and made available by otds. Key diagram 11kv 400v i the 3phase, 3wire 11 kv line is tapped and brought to the gang operating switch installed near the substation. R47m substation upgrade for city of tshwane conco group. Primary substation potential transformers 11kv through 69kv sec enquiry no.
You can also choose from 3 11kv substation, as well as from vacuum 11kv substation there are 1,223 suppliers who sells 11kv substation on, mainly located in asia. They are coloured red, amber or green depending on whether any of the following have been identified as affecting further generation connections. Scholar, electrical and electronics engineering department, aisect university bhopal, mp, india. Distribution indoor and padmount substation 1224kv. Existing and proposed single line diagram for 3311 kv aska s. This map shows 33 11kv primary substations and a geographical footprint of the areas they feed. I want all the equation which is not shown in pdf file of design study for 3311 kv substation, distribution and protection in the city of kenya so what can i do. Distribution indoor and padmount substation 1224kv switchgear. Epc of 22033kv, 33 11kv substation including 220kv double circuit underground cables from transco substation, total length of 6 km feeding power supply to steel factory substation complete with protection scheme at both ends along with all associated 33kv, 11kv and low voltage cabling works for emirates steel factory in icad, mussafah, abu dhabi. Generation capacity connected reverse power flow 33kv fault level percentage of 11kv circuits. Part b substation technical requirements kenya power transmission system improvement project no. The factory assembled self contained package substation is a complete weather proof. May 15, 2018 electrical substation now days the electrical power demand is increasing very rapidly.
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. The design should also allow expansion of the station, when required. Gaurav singh dbcr type isolators are used in 33 11 kv substation current transformer potential transformer references. Technical specification construction of 3311 kv primary. Design,supply,manufacturing,erection, te 211 kv substation with sas at i.
Construction works at wellclose square 2 11kv substation are assumed to precede the 33kv substation. Soil resistivity values can be assumed or dont matter. Owners supply materials osm 3311 kv power transformers, station 330. The scope of the project also included the transfer of the 11kv load from the existing 2 11kv substation to the new 2 11kv substation, as well as the complete decommissioning of the two existing 35mva transformers, including the transporting, relocating and commissioning of these transformers at another existing city of tshwane 2 11kv. But in nearly all cases, the highest field is usually produced by the lines and cables supplying the substation and not by the equipment inside the. Design parameters and standard layout of a 3311 kv substation. Extension to substation site, drainage, elevations, and setting out for. The neutral earthing resistors on the 11kv and 33kv limit fault levels so secondary substations will not be classed as hot.
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