The main objective of minimizing hardwired secondary cabling. May 15, 2018 electrical substation now days the electrical power demand is increasing very rapidly. 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. Earth clearance this is the clearance between live parts and earthed structures, walls, screens and ground. Distribution voltages are typically medium voltage, between 2. Design,supply,manufacturing,erection, te sting and. The power from main bus was fed into a 20mva transformer which. Substation design volume ii physical layout instructor. Design parameters and standard layout of a 3311 kv substation.
Substation layout consists essentially in arranging a number of switchgear components in an ordered pattern governed by their function and rules of spatial separation. Pdf design of groundmat for 11kv substation using auto grid pro. Electrical substation now days the electrical power demand is increasing very rapidly. Sep 01, 2014 the primary grid substation is generally of outdoor type. Training report of 3311kv substation mohamdabad, tundla. Pdf design of groundmat for 11kv substation using auto.
Prepared by the subcommittee on the design of substation structures of the. The substation equipments such as conductors, transformers, etc. A utilitys experience in the implementation of substation. Its design is based on a general blocking scheme through the use of programmable logic techniques in numerical relay application. It will feature two abb 211kv transformers and a 16 panel 11kv switchboard, which will supply power to the local distribution network. Existing and proposed single line diagram for 3311 kv. Other requirements of the substation electrical system 56 10. Owners supply materials osm 3311 kv power transformers, station 330. 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. The hardwired 11kv interlock overcurrent busbar protection iloc bbp scheme has been widely applied for the protection of 11kv doublebusbar switchboard. A mullick for short contact gap, low contact mass and.
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. Electrical substation components list diagram, working. Electrical design of 233kv substation line diagram. The customer newsletter of abb network network management. For continuous improvement in the performance and reliability, a new iloc bbp. This instruction shall be read in conjunction with sdi 505. Distribution indoor and padmount substation 1224kv. 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. The electricity substation is a network of electrical equipment which is connected in a structured way in order to supply electricity to end consumers. 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. The secondary substations are also of outdoor type. Single line diagram of 3311 kv jampaijala for tender purpose.
Details of substations under transmission wing as on 30. Scholar, electrical and electronics engineering department, aisect university bhopal, mp, india. There is numerous electrical substation components like outgoing and incoming circuitry each of which having its circuit breakers, isolators, transformers, and busbar system etc for the smooth functioning of the system. 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. Key diagram 11kv400v i the 3phase, 3wire 11 kv line is tapped and brought to the gang operating switch installed near the substation. Goose interlock overcurrent protection for 11kv double. The customers requested inservice date is january 31, 2009. The top countries of suppliers are india, china, and india, from which the percentage of 11kv substation supply is 1%, 98%, and 1% respectively. Design criteria on substation protection by using instrument. Specification for erection, testing and commissioning of 66. Powerdistributionand substation projects reference list sl no.
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. Sep 20, 2015 the project work assigned to us was to 233 kv ehv substation electrical design. Areas outside the substation do not need to be considered. 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. Aug 1, 2011 a construction of new 3311 kv primary substation. Early electrical substations required manual switching or adjustment of equipment, and manual collection. A layout plan, typically to scale 5001, the as laid plan shall be no smaller scale. The input for a distribution substation is typically at least two transmission or subtransmission lines. Design study for 3311 kv substation, distribution and protection in. Electrical power substation engineering and layout. For fulfilling these huge power demands the modern time requires creation of bigger and bigger power generating stations. What is the criteria for selection of 33kv11kv or 66kv. Clipping is a handy way to collect important slides you want to go back to later. The structure of such distributive substations is usually very complex, including switchgear equipment, meters, protective and communication systems, which allows the control of the.
The 11kv lines runs along the important road of the city. One of the new orders is for the 230kv manik nagar substation, on the eastern part of the capital city, dhaka. Medium voltage products technical guide the mvlv transformer. Technical specification construction of 3311 kv primary substations. The substation rating is defined as per the power handling capacity, location and purpose of substation. What is the criteria for selection of 33kv11kv or 66kv11kv. Supply in the package materials have been classified as under i. Single line diagram of 11kv substation substation provides the energy supply for the local area in which the line is located. Presentation on operation and maintenance of 3311 kv substation at dhaka palli bidyut samity1 presented by md. This is bangladeshs first 230 kv substation to be equipped with gasinsulated switchgear gis. 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 neutral earthing resistors on the 11kv and 33kv limit fault levels so secondary substations will not be classed as hot. This paper is more focused on the design of earthmat for. The proposed facility will require a connection to an existing position on the 230 kv ring bus.
Earthing design instruction edi100 distribution earthing design, construction and test equipment technical specification ets 0070 11kv and 22kv padmount and indoor distribution transformers. Earthing design of 11kv and 33kv rural substations in the uk. Pdf the study was carried out in ajele business unit of the power holding company. The key diagram of this substation can be explained as under. Sep 30, 2012 a sample of my work, take a tour in 3311 kv outdoor substation. Distribution substation a distribution substation transfers power from the transmission system to the distribution system of an area. Agrawal 1,2,3be student123, department of electrical engineering 4proffessor4, department of electrical engineering kdk college of engineering, nagpur, maharashtra, india abstract transmission. Design,supply,manufacturing,erection, te 211 kv substation with sas at i.
Design,supply,manufacturing,erection, te 2 11 kv substation with sas at i. Workers in a substation should be aware of the locations and vent paths of these devices to avoid being showered by debris in the vent pathways. To set out in detail the minimum requirements for 33kv to 11kv package substation used in endeavour energys 33kv transmission network and 11kv network. Fault current control since the substation is the origin point of circuits, faults on the circuit return to the substation. 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. Now customize the name of a clipboard to store your clips. The largest order is for the design and build of a complete new 11kv substation at norton, near stocktonontees. 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. General criteria for 11kv and lv cables applies to both paper, epr and xlpe. Electrical power substation engineering and layout electrical4u.
Installation of 11kv440v distribution substation ajinkya lonare1, pravin 2bodadkar, 4shuchiket darunde3, dr. Existing and proposed single line diagram for 3311 kv aska s. Technical specification construction of 3311 kv primary sub. Key diagram 11kv400v indoor substation iiteeeestudents. Specification for erection, testing and commissioning of. Bookmark file pdf crompton greaves 11kv vcb manual 11kv cgl cromton greaves vcb demonstration along with panel operation in bengali at wbsetcl hd person in this video. 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.
Electric supply substation simulation using etap software. Single line diagram of 3311 kv jampaijala for tender. The 3phase, 3wire 11 kv line is tapped and brought to the gang operating switch installed near the substation. Depending upon the availability of resources these stations are constructed. Economical voltage rating has been categorised for different power range to be received thumb rule. Powerdistributionandsubstationprojects reference list sl no. 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. Distribution substations michigan technological university. These power generating stations may be hydroelectric, thermal or atomic. To overcome the under voltage at the 11kv, 33kv feeder buses and 2 kv buses capacitor bank of suitable ratings are added. Pdf electric supply substation simulation using etap software. This paper is more focused on the design of earthmat for a 11kv substation. System control boundaries and control boundary procedures.
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. Branch form fae 30 distribution indoor and padmount substation medium voltage 11kv and 22kv switchgear product approval and audit form. By design, these highcurrent faults are forced into the earth at the 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. Abstract the thesis deals with the analysis of construction of power lines and substation switchyard of 3311 kv. The substation should be suitable for outdoor application, compact and easily transportable and installation. Design of groundmat for 11kv substation using auto grid pro. Coordinating centre manual and the gb grid code, see also 14. Goose interlock overcurrent protection for 11kv doublebusbar.
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