D substation standards control switches escutcheons, lamps and developments 61. Manual for transmission lines and substation construction. Pole mounted substation is the outdoor type cheapest form of substation for voltages not exceeding 33kv in which the. Drawing title 25251400 singer substation arrangement plan 25251401 singer substation sections 1 and 2. C substation standards typical duplex switchboard surge suppressor networks detail layout 60. A substation is a part of an electrical generation, transmission, and distribution system. Technical specification construction of 3311 kv primary substations. Design study for 3311 kv substation, distribution and protection in.
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 days the electrical power demand is increasing very rapidly. Pdf single line diagram of substations pankaj choudhary. Single line diagram 33kv11kv substation in hindi youtube. Design study for 3311 kv substation, distribution and. Sep 20, 2015 the project work assigned to us was to 233 kv ehv substation electrical design. A substation standards switch operating platforms steel design and details 49. 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. The power from main bus was fed into a 20mva transformer which. It is a usual practice by many electrical utilities to prepare oneline diagrams with. The scope of work shall include the complete design, construction, manufacture, shop testing, packing and.
Technical specification construction of 3311 kv primary sub. Electrical power substation engineering and layout. Electrical design of 233kv substation line diagram. 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. Design parameters and standard layout of a 3311 kv substation. The input for a distribution substation is typically at least two. The manual is applicable for all substation projects regardless. Substation layout electrical substation electricity. 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 lines and outgoing feeders or transmission lines. Power evacuation, main single line diagram, grid interconnection. What is a electrical substation definition, layout, and. Oct 07, 2014 the standard instruction for construction of 3311 kv substation is given in rec standards which specifies the layout along with the switchgear.
In a thermal power plant i saw a substation of 220kv and in the other one 2kv. Besides changing the voltage, the job of the distribution substation is to isolate faults in either the transmission or distribution systems. Distribution voltages are typically medium voltage, between 2. The project work assigned to us was to design a 233 kv ehv substation. The substation would be a combination of switching, controlling, and voltage.
Design of 233kv substation sudipta sen, arindam chatterjee. The manual is applicable for all substation projects regardless of internalexternal design delivery mode. Distribution substation a distribution substation transfers power from the transmission system to the distribution system of an area. The neutral earthing resistors on the 11kv and 33kv limit fault levels so secondary substations will not be classed as hot. Abstract the thesis deals with the analysis of construction of power lines and substation switchyard of 3311 kv. Power generated at the above spv plant shall be transported to getco substation using 66kv underground cables from each of two bays. Guidelines for substation and power distribution systems. Whilst standardisation of civil design aspects is preferable, it is accepted that each project is specific. Primary substation design guide mark dunk revision d. Abb substations with gasinsulated switchgear gis are unmatched when it comes to compactness, reliability, efficiency and safety, ensuring maximum power availability for utility, commercial and. 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 protection in the city of kenya.
Substation substation a station in the power transmission system at which. The tender portal gives you an insights about tenders and projects within medc. We considered incoming power at 2 kv and the power was transferred to main bus through isolatorcircuit breakerisolator. Existing and proposed single line diagram for 3311 kv. Pole mounted substation is the outdoor type cheapest form of substation for voltages not exceeding 33kv in which the equipments are installed overhead on hpole or 4pole structure and electric power is almost distributed in localities through such substation. This bulletin is an update and revision of previous rea bulletin 651, design guide for rural substations revised june 1978. The sealed envelopes shall be again be put in another sealed cover and should be superscribed construction of 233kv.
Substation substation a station in the power transmission system at which electric power is transformed to a conveniently used form. Single line diagram of 3311 kv jampaijala for tender. 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. The substation design manual is not intended to replace asset management standards, but rather. 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. To overcome the under voltage at the 11kv, 33kv feeder buses and 2 kv buses capacitor bank of suitable ratings are added. Mark dunk primary substation design uk power networks. Jun 20, 2018 single line diagram 33kv 11kv substation this is the easy way to understand the working of substation. Single line diagram33kv11kv substation this is the easy way to understand the working of substation. Technical specification construction of 3311 kv primary. Earthing design of 11kv and 33kv rural substations in the uk. May 15, 2018 electrical substation now days the electrical power demand is increasing very rapidly.
Jul 20, 2018 owners existing and proposed single line diagram for 3311 kv. The main function of the substation is to collect the energy transmitted at high. Technical specification for design, supply, installation and. Incoming or power feeder connection 33kv incoming line. The substation receives electrical energy directly from generating stations through incoming power supply lines while it delivers electricity to the consumers.
We considered incoming power at 2 kv and the power was transferred to main bus through isolatorcircuit breakerisolator combination. The standard layout guides for the general arrangement of the equipments, structures, busbars etc. E substation standards transformer sudden pressure relay schematic diagram 62. Basic substation layout incoming subtransmission lines electric power path through substation outgoing distribution lines lightning arresters airbreak switches stepdown transformer distribution bus cutout switches oil circuit breaker voltage regulators metalclad switchgear control house. As you can see, the overview is complex, but on the other hand the mvlv electrical substation is the synthesis of several design activities electrical, mechanical, construction. Dec, 2018 the electrical substation does not have a single circuit but is composed of numerous outgoing and incoming circuits which are connected to a busbar i. The project work assigned to us was to 233 kv ehv substation electrical design. Areas outside the substation do not need to be considered. Owners existing and proposed single line diagram for 3311 kv. Xdge is one of the most reliable gas insulated switchgear suppliers with. Manual for transmission lines and substation construction and maintenance activities volume i best management practices volume ii permits prepared for prepared by hdr engineering, inc 701 xenia. Whenever light surges occur then, a highvoltage pass through these electrical components causing. Distribution substations may also be the points of voltage regulation, although on long distribution circuits several kmmiles, voltage regulation equipment may also be installed along the line.
The station may consist of transformers, switches, circuit breakers and other auxilliary equipment. Our project is to design a 2kv33kv ehv substation where the incoming power is received at 2 kv from a generating station. To step down the 33kv primary voltage to 11kv suitable for distribution purpose. Substations transform voltage from high to low, or the reverse, or perform any of several other important functions. Manual for transmission lines and substation construction and. The quality of our gas insulated switchgear is the result of a rigorous standard quality management system, which has been certified in accordance with iso 9001. For fulfilling these huge power demands the modern time requires creation of bigger and bigger power generating stations. Technical specification for design, supply, installation. Manual for transmission lines and substation construction and maintenance activities volume i best management practices volume ii permits prepared for prepared by hdr engineering, inc 701 xenia avenue south, suite 600 minneapolis, minnesota 55416 february 2007. C2 appendix c table of contents substation drawings singer substation drawing no.
For the protection of substation and its components from the over currents or over load due to short circuit or any. The two primary distribution feeders of the substation illustrated in figure 1 are protected by either power circuit breakers or automatic circuit reclosers. 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 physical layout and the design of the substation are governed by. The substation would be a combination of switching, controlling, and voltage stepdown equipment arranged to reduce subtransmission voltage to primary distribution voltage for.
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