Technical specification for 3311kv power transformers apdrp scheme page 6 of 72 the purchaser reserves the right to reject an item of equipment if the test results do not comply with the. Power evacuation, main single line diagram, grid interconnection. Framework for materials specification for industrial and commercial underground connected loads up to and including 11kv. Conco broke ground in malawi in 2016, and two years down the line, the project is heading towards completion.
Distribution substations may also be the points of voltage regulation, although on long. This course describes substation design and the associated. Scholar, electrical and electronics engineering department, aisect university bhopal, mp, india. The input for a distribution substation is typically at least two transmission or subtransmission lines.
Free cad and bim blocks library content for autocad, autocad lt, revit, inventor, fusion 360 and other 2d and 3d cad applications by autodesk. Packaged substations are tailored to individual customer requirements using products from the comprehensive range, providing a convenient, single source packaged substation with minimum time and cost. Drawing title 25251400 singer substation arrangement plan 25251401 singer substation sections 1 and 2. Jun 20, 2018 single line diagram33kv 11kv substation this is the easy way to understand the working of substation. The standard instruction for construction of 3311 kv substation is given in rec standards which. The single line diagram of the substation is simulated in. Boq for construction of 1x5 mva 3311 kv substation at medical. The number of 33 kv incoming feeder may be one or two depending upon the requirement. Distribution voltages are typically medium voltage, between 2. In addition, the substation shall have suitable 24 hour streetlevel vehicular accessegress for. Also the hard copies as per specification shall be submitted. Up to about 33 kv 33 kv transmission line design drawings 33 kv transmission line design drawings ebook download as pdf file.
Myanma petrochemical enterprise, price of petroleum products 942020 myanma. At both ends of transformer lightning arrester current transformer and switchgear equipment. Design study for 3311 kv substation, distribution and. Construction of 33 kv vcb foundation with mounting no. The analysis is done by using advance software electrical transient analyser program etap with detailed load flow analysis. Design, manufacture and of compact substation of 11kv 415 volts, equipped with 2000 kva cast resin transformer, 4 way 11kv ring main unit consisting of 2 nos. To step down the 33kv primary voltage to 11kv suitable for distribution purpose. Distribution substations michigan technological university. Design of substation at ehvuhv level 420 kv and above requires special. For fulfilling these huge power demands the modern time requires creation of bigger and bigger power. Electrical switchyard is usually a part of substation where electricity is transferred from one voltage to another for the transmission and distribution purpose. Flexibility is provided through tailored configurations or packaged.
Zone substation design and construction ergon energy. Western power distribution is the electricity distribution network operator for the midlands, south wales and the south west. Owners existing and proposed single line diagram for 3311 kv. This course describes substation design and the associated topics of substation earthing and bonding. Location of the surrounding loads in the layout of both the. The maximum electricity generation on 22 april 2020 is 3348. Gaurav singh dbcr type isolators are used in 33 11 kv substation current transformer potential transformer references. Cad forum cadbim library of free blocks substation desig. Oct 07, 2014 the rec standard mentions that an outdoor type 33 11 kv substation should have 2 power transformers and 3 outgoing feeders. Existing and proposed single line diagram for 3311 kv. A distribution substation transfers power from the transmission system to the distribution system of an area.
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. Substation 30v battery systems for protection andor circuit breaker tripping. Pdf reduction of ground potential rise of earthing grid. You can contact us 24 hours a day, 7 days a week, 365 day a year. Distribution automation handbook prototype elements of power d istribution systems 1mrs757959 4 3 elements of power distribution systems 3. Kenya power transmission system improvement project lot 3233 kv substations and switching stations volume 2 section vi employers requirements. Secondary substations receive power at 6633kv which is stepped down usually to 11kv. Single line diagram of 3311 kv jampaijala for tender purpose. Single line diagram 33kv11kv substation in hindi youtube. Technical specification construction of 3311 kv primary. Drawings layout plans tcop10250de33010101 typical temporary outdoor substation layout. The station layout and equipment rating shall be based on.
Pdf the current 66 kv network experiences low voltages under n1 contingencies. Single line diagram of 11kv substation substation provides the energy supply for the local area in which the line is located. The first step in planning a substation layout is the. Electrical power substation engineering and layout. Most substations currently being designed and constructed use lowprofile structures and rigid buswork, particularly for lowvoltage distribution substations or in areas with natural environmental screening. The first step in planning a substation layout is the preparation of a oneline diagram, which shows in simplified form the switching and protection arrangement required, as well as the incoming supply. For instance, 3311kv substation equipment will comprise digital multimeters for various readings of currents and voltages. Design,supply,manufacturing,erection, te 211 kv substation with sas at i. Design of 233kv substation sudipta sen, arindam chatterjee. Further, the contractor was to construct a concrete pad, service buildings, and perimeter wall and gates for each. The assignment, which will be marked and assessed, comprises the design of a large twin 3311kv. A design layout of 2 33 kv, 200 mw substation the substation is connected with three substations or load viz. Design study for 3311 kv substation, distribution and protection in the city of kenya. The government of the republic of iraq ministry of electricity construction of 3311kv.
The main bus 33kv is connected to grid located at sector25, indiranagar, lucknow. I want all the equation which is not shown in pdf file. Design,supply,manufacturing,erection, te sting and. Applications range from power supply during emergency or planned outages, to events, moving loads, and the integration of distributed or renewable generation. The company undertook the engineering, procurement and construction epc of four substations 33 11 kv and 66 11kv, the expansion and rehabilitation of four existing substations 66 33 kv, 33 11 kv and 66 33 11 kv, the epc of 33kv overhead lines in six different areas, and the. Design study for 3311 kv substation, distribution and protection in. Design parameters and standard layout of a 3311 kv substation. Technical specification construction of 3311 kv primary sub. No description of technical parameter unit data 1 nominal system voltage kv rms 33kv 2 maximum system voltage kv rms 36. The fence is connected to a separate grounding conductor. Design, manufacture and of compact substation of 11kv415 volts, equipped with 2000 kva cast resin transformer, 4 way. Abstract the thesis deals with the analysis of construction of power lines and substation switchyard of 33 11 kv. The substation shall have suitable 24 hour accessegress for sp energy networks authorised personnel.
The tenderer is allowed to visit and examine the existing 33 11kv substations and the new designated place, obtain for himself on his own responsibility all information that. The tenderer is allowed to visit and examine the existing 33 11kv substations and the new designated place, obtain for himself on his own responsibility all information that may be necessary for preparing the offer and detailed design. A singlecircuit transmission line carries conductors for only one circuit. Aug 1, 2011 a construction of new 33 11 kv primary substation. Projects product 11kv 433v mobileskid mounted substation sheet 2 of 46 details of equipments. Jul 28, 20 these are also referred to ehv substations. The main function of the substation is to collect the energy transmitted at high. 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. Now the transmission line first parallel connected with lightning arrester to diverge surge, followed by cvt connected parallel. In the past, large lattice and boxtype structures supporting overhead strain buses were commonly used. Erection of 2 nos 66 kv feeder bay structure equipment. Techincal requirement 31 system data a 33 kv system nominal voltage 33000 volts. 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. This bulletin is an update and revision of previous rea bulletin 651, design guide for rural substations revised june 1978.
Mobile substations are a perfect solution, whenever utilities and industries need to provide interim grid connections and temporary power supplies. Guidelines for substation and power distribution systems of. Western power distribution substation construction. This ensures efficient transmission of power, minimizing the power losses. Electrical substation components list diagram, working. Ctr 15050 11 a single line diagram of 33 11 kv jampaijala for tender purpose only. Malawian substation project takes shape conco group. Cad blocks and files can be downloaded in the formats dwg, rfa, ipt, f3d.
Reduction of ground potential rise of earthing grid for 2303311 kv substation thapyaywa. The manual is applicable for all substation projects regardless. Design parameters and standard layout of a 3311 kv substation an electrical substation. Etap based upon actual data, and it is seen that at the 11kv. Design study for 33 11 kv substation, distribution and protection in the city of kenya. Technical specification construction of 3311 kv primary substations. The input for a distribution substation is typically at least two. C2 appendix c table of contents substation drawings singer substation drawing no. This research paper deals with the simulation of 2 33 11kv substation. Hv substation project brief history et bihl d i 1987 f th il ti f l hv mv d established in 1987 for the realization of complex hv, mv and lv projects. Electrical substation now days the electrical power demand is increasing very rapidly. The manual is applicable for all substation projects regardless of internalexternal design delivery mode. Technical specification construction of 33 11 kv primary sub stations.
Now the transmission line first parallel connected with lightning arrester to. Study of 3311 kv substation and power distribution under rg. Distribution substation a distribution substation transfers power from the transmission system to the distribution system of an area. There must be provision for 2 additional 11 kv outgoing feeder for load enhancements in future. Single line diagram of 11kv substation autocad cadcam.
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