The structure of such distributive substations is usually very complex, including switchgear equipment, meters, protective and communication systems, which allows the control of the substation under different operating conditions. Engineers through a facetoface interview with a formal questionnaire, the user manual. Transmission, sub transmission and distribution substation 4. To set out in detail the minimum requirements for 33kv to 11kv package substation used in endeavour energys 33kv transmission network and 11kv network. Technical specification table of contents page 1 of 8 rev. The single line diagram of the substation is simulated in etap based upon actual data, and it is seen that at the 11kv, 33kv feeder buses and 2 kv buses there is under voltage. I am a college student and i have been given a project to design a substation single line diagram and plan layout on autocad with predefined specifications busbar schemes, lines, etc. This instruction shall be read in conjunction with sdi 505. The most important of any substation is the grounding earthing system of the instruments, transformers etc. Substations may be associated with hvdc converter plants, traction current, or.
Some designs achieve minimum emf emission by installing the low voltage cables and switchboard in a trench down the middle of the room. What is the criteria for selection of 33kv11kv or 66kv11kv. Electrical substation equipment for transferring of electrical power from generating unit to distributing units various types of electrical equipment are required. 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. Aug 1, 2011 a construction of new 33 11 kv primary substation. Now customize the name of a clipboard to store your clips. Other requirements of the substation electrical system 56 10. These power generating stations may be hydroelectric, thermal or atomic.
Ic interconnection customer shall mean the entity, and any of its affiliates or designated agents, executing the option to design, procure, construct, test, andor manage the installation of a high voltage interconnection substation. Economical voltage rating has been categorised for different power range to be received thumb rule. Depending upon the availability of resources these stations are constructed. Providing engineering drawing, data, operational manual, etc for the purchaser. The neutral earthing resistors on the 11kv and 33kv limit fault levels so secondary substations will not be classed as hot. Clipping is a handy way to collect important slides you want to go back to later.
Training report of 3311kv substation mohamdabad, tundla. Location of the surrounding loads in the layout of both the current and the planned. Extension to substation site, drainage, elevations, and setting out for. Abstract the thesis deals with the analysis of construction of power lines and substation switchyard of 3311 kv. Technical specification construction of 3311 kv primary sub. Nov 14, 2011 key diagram 11kv400v i the 3phase, 3wire 11 kv line is tapped and brought to the gang operating switch installed near the substation. A wide variety of 11kv substation options are available to you, such as power. Therefore, to avoid this difficulty, lightening arresters are. A utilitys experience in the implementation of substation automation projects 63 the supplier provided a system compliant with the specification and, for the first time, all communication within a substation other than time synchronisation was provided by one physical network. Detailed investigation of substation and preparation of boq to be done by the bidder. 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. The substation rating is defined as per the power handling capacity, location and purpose of substation.
A thesis submitted in partial fulfillment of the requirement for the. Branch form fae 30 distribution indoor and padmount substation medium voltage 11kv and 22kv switchgear product approval and audit form. A unit substation comprises an 11kv400v transformer fitted with a directly mounted ring main unit and an lv fuse cabinet. Electrical stations substations by purpose transformer stations switching stations converter stations compensation stations by position in es. Established in 2012, the agency comes under the authority of the department of power. Technical specification construction of 3311 kv primary substations. Medium voltage products technical guide the mvlv transformer. Supply in the package materials have been classified as under i.
Existing and proposed single line diagram for 3311 kv. Design parameters and standard layout of a 3311 kv substation. Autocad, cadcam, solidworks, engineering, electrical engineering. Design of 6611kv, 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. Key diagram 11kv400v i the 3phase, 3wire 11 kv line is tapped and brought to the gang operating switch installed near the substation. Ghantoot group electrical project division epc of 33. 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. Jul 20, 2018 owners existing and proposed single line diagram for 3311 kv. Secondary unit substation specification secondary less.
The contractor shall advise the engg incharge in writing, giving the period. The main objective of minimizing hardwired secondary cabling. Key diagram 11kv400v indoor substation iiteeeestudents. Operation and maintenance of 3311 kv substation this three are equally important for proper electrification, without any one of this three the electricity system will be incomplete. May 15, 2018 electrical substation now days the electrical power demand is increasing very rapidly. Where applicable, the following additional information shall be submitted to the engineer. Power grid company ltd is the bpdb bangladesh power development board wound company which is the only authorized company for the electric power transmission. The equipment like bus bars, isolator, power transformer etc.
Existing and proposed single line diagram for 3311 kv aska s. Ets 0004 11kv to 2kv single core power cables ets 0005 15mva, 25mva and 35mva power transformers ets 0014 protection and control panels ets 0068 distribution indoor and padmount substation 1224kv switchgear ets 0070 11kv and 22kv padmount and indoor distribution transformers. Operation and maintenance of 3311 kv substation eep. Electrical power substation engineering and layout electrical4u. The substation in bhinmal, jalore343029, rajasthan is one of the largest power grids in the state of rajasthan and the northwest area india. Distribution indoor and padmount substation 1224kv switchgear. A utilitys experience in the implementation of substation.
Earthing design of 11kv and 33kv rural substations in the uk. Substation design manual i reference ni000401r121 ver 2 ergon energy corporation limited abn 50 087 646 062 ergon energy queensland pty ltd abn 11 121 177 802 revision history version description of change approval date revised by 1 initial version 250320 draft 2a. Design criteria on substation protection by using instrument transformers. The second symbol is almost a match for the symbol show in the pdf. Digital substation and iec61850 tomorrow iec 6185081 670 series reb500 650 series sam600 ncit ncit sam600 iec 6185081 iec 6185092 digital substation 1 all signals digital, station and process 2 analog, status and commands 3 acquire once, distribute on a. Design,supply,manufacturing,erection, te 211 kv substation with sas at i. Construction of a new 6611kv substation for eskom in wilderness, consisting of 1 bay. You can also choose from 3 11kv substation, as well as from vacuum 11kv substation, and whether 11kv substation is three. Electric substations with equipment used to convert highvoltage, extrahighvoltage ehv, or ultrahighvoltage uhv transmission lines to the intermediate voltage subtransmission lines or to switch subtransmission circuits operating at voltages in the range of 34. Design,supply,manufacturing,erection, te 2 11 kv substation with sas at i. Substation design manual i reference ni000401r121 ver 2 ergon energy corporation limited abn 50 087 646 062 ergon energy queensland pty ltd abn 11 121 177 802 revision history version description of change approval date revised by 1 initial version 250320 draft 2a content revised and additional content added.
Perunad substation inaugurated by minister aryadan muhammed. Prepared by the subcommittee on the design of substation structures of the. 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.
Electrical substation, unitised package substation, kirloskar. The following layout designs of indoor distribution substation are typical only and should not be used as construction drawings as they are presented as an example. Areas outside the substation do not need to be considered. Whenever light surges occur then, a highvoltage pass through these electrical components causing damage to them either temporary or permanent damage based on the amount of voltage surge. Technical guide the mvlv transformer substations abb group. Owners supply materials osm 3311 kv power transformers, station 330. Substation work, equipments data, operational manual, etc for the owners. Pdf load flow analysis of 2 11 kv distribution sub station using.
Kec is the leading manufacturer of switchgear, unitised package substation, electrical substation manufacturers in 3 type 11kv, 22kv and 33kv. To overcome the under voltage at the 11kv, 33kv feeder buses and 2 kv buses capacitor bank of suitable ratings are added. The difference between the ground potential rise and the surface potential at the point where the person is standing while at the same time having a hand in contact with a grounded structure. Abstract the main purpose of the substation is to provide reliable and continuous electric power supply for consumers. Scholar, electrical and electronics engineering department, aisect university bhopal, mp, india. 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. Epc of 3311kv primary sub station 80 mva and associated 33 kv cable works at m41 icad labour city, abu dhabi. Single line diagram of 11kv substation autocad cadcam.
The substation equipments such as conductors, transformers, etc. Pdf in a power system, load varies from one hour to another, reactive power varies accordingly which results into unacceptable voltage. Deviations if any must be specifically requested, and approved in writing by. Other combinations of directly mounted attachments to the transformer may also be used e. Owners existing and proposed single line diagram for 3311 kv. Earthing design instruction edi100 distribution earthing design, construction and test equipment technical specification ets 0070 11kv and 22kv padmount and indoor distribution transformers. The request and the responses thereto shall be made in writing by faxemail. Technical engineering, procurement, and construction. The scope of work consists of the design, manufacture, testing, assembly at. Single line diagram of 11kv substation i want the attached picture to be made perfectly on autocad or related software so that, i can print the electrical single line diagram out. Design criteria on substation protection by using instrument.
Secondary unit substation specification secondary less than. The substation should be suitable for outdoor application, compact and easily transportable and installation. Single line diagram of 11kv substation substation provides the energy supply for the local area in which the line is located. The substation should be suitable for outdoor application, compact and easily transportable and. Agrawal 1,2,3be student123, department of electrical engineering 4proffessor4, department of electrical engineering kdk college of engineering, nagpur, maharashtra, india abstract transmission. 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. Earthing layout for 3311kv 2010 mva substation yard. Ive only ever seen the number of output windings expanded.
Secondary substation transformers nema 210, ieee 100, ansi c57 6. Basic elements of substation equipment 1 busbars conductors carrying power to individual branches 2 branches. The power transformer, circuit breaker, busbar, insulator, lightning arrester are the main components of an electrical substation. 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. Installation of 11kv440v distribution substation ajinkya lonare1, pravin 2bodadkar, 4shuchiket darunde3, dr. The substation design manual is not intended to replace asset management standards, but rather.
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