Ctr 15050 11 a single line diagram of 3311 kv jampaijala for tender purpose only. Key diagram 11kv400v indoor substation iiteeeestudents. The motor starts operating if the gas went lower than 20. Substation configuration contingency when bypass switch is closed, how can we provide reliable protection for 69 kv line. Figure 1 existing substation with 220 kv breaker and a half and 110 kv double bus. Mediumvoltage shielded power cable 2 kv up to 35 kv. Single line diagram of 11kv substation substation provides the energy supply for the local area in which the line is located. Chapter 7 33 kv switching substation, savar of dpbs1 7. Energypac has been manufacturing reliable instrument transformers for more than 30 years. This job is again accomplished by suitable apparatus called substation.
Secondary unit substations 26 11 16 2 revision date. Mhd substation 161 kv interconnection facilities study. This ensures a product with less maintenance, low weight, flexible mounting. The project saw abb replace a substation with brand new stateoftheart gas insulated switchgear gis technology. No description of technical parameter unit data 1 nominal system voltage kv rms 33kv 2 maximum system voltage kv rms 36. Perunad substation inaugurated by minister aryadan muhammed. Single line diagram of 3311 kv jampaijala for tender purpose. Entire line must be protected for any single contingency condition 51n 50 51 50 51 21 8 kv 69 kv 87t. At present the units of bhel, tiruchi receive power supply from tamil nadu electricity. Agrawal 1,2,3be student123, department of electrical engineering 4proffessor4, department of electrical engineering kdk college of engineering, nagpur, maharashtra, india abstract transmission. Css is a type tested assembly comprising an enclosure containing medium voltage mv switchgear, distribution transformers, low voltage lv. The power from main bus was fed into a 20mva transformer which.
The existing 161 kv bus will be tapped to the north of the existing mhd ground switch. Electrical design of 233kv substation line diagram. The following current and former members of the substation subcommittee of the nreca. The first step in planning a substation layout is the preparation of a one line. For fulfilling these huge power demands the modern time requires creation of bigger and bigger power generating stations. Depending upon the availability of resources these stations are constructed. 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. 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. Sep 20, 2015 the project work assigned to us was to 233 kv ehv substation electrical design. The demand of electricity is being increased day by day. Design, manufacture and of compact substation of 11kv415 volts, equipped with 2000 kva cast resin transformer, 4 way 11kv ring main unit.
Electrical power substation engineering and layout. Electrical substation now days the electrical power demand is increasing very rapidly. Electrical power substation engineering and layout electrical4u. Earthing design of 11kv and 33kv rural substations in the uk. This ensures a product with less maintenance, low weight, flexible mounting facilities, high reliability. Similarly near the consumers localities, the voltage may have to be stepped down to utilization level. Best practices for protection and control applications for. Study of 3311 kv substation and power distribution under. Shop drawing submittals shall include, but not be limited to, the following. Now the transmission line first parallel connected with lightning arrester to diverge surge, followed by cvt connected. Existing and proposed single line diagram for 3311 kv. The gas is put inside the circuit breaker by force i. The seminole 8kv substation is located on the west side of i45 in league city, texas. 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.
The ground switch is to be replaced with a 161 kv circuit switcher. An air break switch, 161 kv power circuit breaker and metering. May 15, 2018 electrical substation now days the electrical power demand is increasing very rapidly. These power generating stations may be hydroelectric, thermal or atomic. Pdf an investigation into the causes and effects of voltage drops.
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. This calls for extrahighvoltage ehv substations to act as load hubs in the city. Distribution voltages are typically medium voltage, between 2. The project was finished and energized as scheduled in may 2004.
Rahi1, 2abhas kumar singh, shashi kant gupta3, shilpa goyal4 electrical engineering department, national institute of technology, hamirpur, india1,2,3,4 abstract this paper presents the design of earthing system for 2 kv substations and simulation for. In todays life electricity plays a very vital role. When if the gas gets decreases there is a motor connected to the circuit breaker. This site is served by a combination of allweather, gravel and unimproved dirt roads. Technical specification construction of 3311 kv primary sub. Design, manufacture and of compact substation of 11kv415 volts, equipped with 2000 kva cast resin transformer, 4 way 11kv ring main unit consisting of 2 nos. Gaurav singh dbcr type isolators are used in 3311 kv substation current transformer potential transformer references.
The mhd substation one line drawing and mhd substation physical layout are shown in appendix a. Design guide for rural substations usda rural development. The thesis deals with the analysis of construction of power lines and substation switchyard of 3311 kv. Single line diagram of 3311 kv jampaijala for tender. Study of 3311 kv substation and power distribution. Nominal system voltage kv highest system voltage kv phase and earth mm between phases mm safety clearance mm ground clearance mm 11 12. Distribution indoor and padmount substation 1224kv. Abstract the thesis deals with the analysis of construction of power lines and substation switchyard of 3311 kv. Established in 2012, the agency comes under the authority of the department of power. The incoming voltage level for this substation is 220kv. 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.
Layout of a typical 500 kv substation using airinsulated switchgear. Training report of 3311kv substation mohamdabad, tundla. Oct 07, 2014 the rec standard mentions that an outdoor type 3311 kv substation should have 2 power transformers and 3 outgoing feeders. The seminole 8 kv substation is located on the west side of i45 in league city, texas. Location of the surrounding loads in the layout of both the current and the. The main bus 33kv is connected to grid located at sector25, indiranagar, lucknow. There must be provision for 2 additional 11 kv outgoing feeder for load enhancements in future. Installation of 11kv440v distribution substation ajinkya lonare1, pravin 2bodadkar, 4shuchiket darunde3, dr. Now the transmission line first parallel connected with lightning arrester to diverge surge, followed by cvt connected parallel. Design parameters and standard layout of a 3311 kv substation. Technical guide the mvlv transformer substations abb group.
Now customize the name of a clipboard to store your clips. Instrument transformers are designed to provide reliable performance in accordance with latest stringent global design standards like iec and ieeeansi. 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. Design study for 3311 kv substation, distribution and. Kenya power transmission system improvement project lot 3233 kv substations and switching stations volume 2 section vi employers requirements. 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. Clipping is a handy way to collect important slides you want to go back to later. The need in march 20, abb put the final finishing touches to a major turnkey project to create northern powergrids replacement 2 kilovolt kv substation at creyke beck in yorkshires east riding. September 26th, 2015 view comments comments please. Due to corridor constraints and surge impedance loading consideration and quantum of power of 2,500 mw in n11 condition, twin bundle conductor has been. However, the equipment supplied must meet the highest standards of. Unit substation cutsheets with all bus, transformer, and switch and overcurrent device ratings, capacities.
The rec standard mentions that an outdoor type 3311 kv substation should have 2 power transformers and 3 outgoing feeders. The use of sf6 circuit breaker is mainly in the substations which are having high input kv input, say above 220kv and more. A substation is a part of an electrical generation, transmission, and distribution system. The transformer steps down the voltage to 400 v, 3phase, 4wire. 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%. 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. Technical specification construction of 3311 kv primary. The number of 33 kv incoming feeder may be one or two depending upon the requirement.