N11 kv substation pdf

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. Design, manufacture and of compact substation of 11kv415 volts, equipped with 2000 kva cast resin transformer, 4 way 11kv ring main unit. The existing 161 kv bus will be tapped to the north of the existing mhd ground switch. Existing and proposed single line diagram for 3311 kv. Secondary unit substations 26 11 16 2 revision date. September 26th, 2015 view comments comments please. At present the units of bhel, tiruchi receive power supply from tamil nadu electricity. For fulfilling these huge power demands the modern time requires creation of bigger and bigger power generating stations. The transformer steps down the voltage to 400 v, 3phase, 4wire. Similarly near the consumers localities, the voltage may have to be stepped down to utilization level.

Unit substation cutsheets with all bus, transformer, and switch and overcurrent device ratings, capacities. Electrical substation now days the electrical power demand is increasing very rapidly. Ctr 15050 11 a single line diagram of 3311 kv jampaijala for tender purpose only. Abstract the thesis deals with the analysis of construction of power lines and substation switchyard of 3311 kv. Electrical power substation engineering and layout. 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. Energypac has been manufacturing reliable instrument transformers for more than 30 years. This ensures a product with less maintenance, low weight, flexible mounting facilities, high reliability. Design study for 3311 kv substation, distribution and. Design parameters and standard layout of a 3311 kv substation. The seminole 8 kv substation is located on the west side of i45 in league city, texas. 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. Oct 07, 2014 the rec standard mentions that an outdoor type 3311 kv substation should have 2 power transformers and 3 outgoing feeders. Mhd substation 161 kv interconnection facilities study.

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. Sep 20, 2015 the project work assigned to us was to 233 kv ehv substation electrical design. 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. Distribution voltages are typically medium voltage, between 2.

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. Agrawal 1,2,3be student123, department of electrical engineering 4proffessor4, department of electrical engineering kdk college of engineering, nagpur, maharashtra, india abstract transmission. The ground switch is to be replaced with a 161 kv circuit switcher. May 15, 2018 electrical substation now days the electrical power demand is increasing very rapidly. The number of 33 kv incoming feeder may be one or two depending upon the requirement. The demand of electricity is being increased day by day. However, the equipment supplied must meet the highest standards of. Pdf an investigation into the causes and effects of voltage drops. Single line diagram of 3311 kv jampaijala for tender. Perunad substation inaugurated by minister aryadan muhammed. This site is served by a combination of allweather, gravel and unimproved dirt roads. The main bus 33kv is connected to grid located at sector25, indiranagar, lucknow. Distribution indoor and padmount substation 1224kv. Now the transmission line first parallel connected with lightning arrester to diverge surge, followed by cvt connected.

Nominal system voltage kv highest system voltage kv phase and earth mm between phases mm safety clearance mm ground clearance mm 11 12. Key diagram 11kv400v indoor substation iiteeeestudents. 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 ensures a product with less maintenance, low weight, flexible mounting. Now the transmission line first parallel connected with lightning arrester to diverge surge, followed by cvt connected parallel. Css is a type tested assembly comprising an enclosure containing medium voltage mv switchgear, distribution transformers, low voltage lv. Technical guide the mvlv transformer substations abb group. Technical specification construction of 3311 kv primary sub. The project was finished and energized as scheduled in may 2004. Mediumvoltage shielded power cable 2 kv up to 35 kv. It is not the intention to specify all design, manufacturing and constructional details of the switchgear. 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. Single line diagram of 11kv substation substation provides the energy supply for the local area in which the line is located.

Depending upon the availability of resources these stations are constructed. An air break switch, 161 kv power circuit breaker and metering. The mhd substation one line drawing and mhd substation physical layout are shown in appendix a. Chapter 7 33 kv switching substation, savar of dpbs1 7. Established in 2012, the agency comes under the authority of the department of power. 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. The thesis deals with the analysis of construction of power lines and substation switchyard of 3311 kv.

Instrument transformers are designed to provide reliable performance in accordance with latest stringent global design standards like iec and ieeeansi. Electrical design of 233kv substation line diagram. Design study for 3311 kv substation, distribution and protection in the city of kenya. Study of 3311 kv substation and power distribution under. Layout of a typical 500 kv substation using airinsulated switchgear. The following current and former members of the substation subcommittee of the nreca. Entire line must be protected for any single contingency condition 51n 50 51 50 51 21 8 kv 69 kv 87t. Kenya power transmission system improvement project lot 3233 kv substations and switching stations volume 2 section vi employers requirements. These power generating stations may be hydroelectric, thermal or atomic.

Training report of 3311kv substation mohamdabad, tundla. This calls for extrahighvoltage ehv substations to act as load hubs in the city. Shop drawing submittals shall include, but not be limited to, the following. Technical specification construction of 3311 kv primary. 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. Installation of 11kv440v distribution substation ajinkya lonare1, pravin 2bodadkar, 4shuchiket darunde3, dr. When if the gas gets decreases there is a motor connected to the circuit breaker. Figure 1 existing substation with 220 kv breaker and a half and 110 kv double bus. The first step in planning a substation layout is the preparation of a one line. The gas is put inside the circuit breaker by force i. Earthing design of 11kv and 33kv rural substations in the uk. The incoming voltage level for this substation is 220kv. There must be provision for 2 additional 11 kv outgoing feeder for load enhancements in future.

The seminole 8kv substation is located on the west side of i45 in league city, texas. The use of sf6 circuit breaker is mainly in the substations which are having high input kv input, say above 220kv and more. Now customize the name of a clipboard to store your clips. 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 motor starts operating if the gas went lower than 20. Best practices for protection and control applications for. Single line diagram of 3311 kv jampaijala for tender purpose.

In todays life electricity plays a very vital role. Design guide for rural substations usda rural development. Electrical power substation engineering and layout electrical4u. 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 rec standard mentions that an outdoor type 3311 kv substation should have 2 power transformers and 3 outgoing feeders. Clipping is a handy way to collect important slides you want to go back to later. A substation is a part of an electrical generation, transmission, and distribution system. No description of technical parameter unit data 1 nominal system voltage kv rms 33kv 2 maximum system voltage kv rms 36.

Study of 3311 kv substation and power distribution. Gaurav singh dbcr type isolators are used in 3311 kv substation current transformer potential transformer references. The project saw abb replace a substation with brand new stateoftheart gas insulated switchgear gis technology. The power from main bus was fed into a 20mva transformer which.