The technical specification for the civil engineering and building design and construction of secondary substation or 2275400kv substation equipment enclosures that form an integral part of primary. Covers the application and relevant specifications related to. Single line diagram of 11kv substation substation provides the energy supply for the local area in which the line is located. This bulletin is an update and revision of previous rea bulletin 651, design guide for rural substations revised june 1978. Technical specification for design, supply, installation 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. Such type of substation requires less time for construction but uses more space. Relays are used for disconnecting the circuits by manual or automatic operation. Covers bare conductors, rigid and strain bus design. The fence is connected to a separate grounding conductor.
The first step in planning a substation layout is the. I was responsible for making a 33kv outdoor electrical substation for my factory. Install 2 new 33kv feeder breakers at easterhouse substation. A unit scheme providing outdoor switching of the generator and transformer bank as a. I need a free software for earthmat design for 33kv to 400 kv substations in india. The project work assigned to us was to design a 233 kv ehv substation. To step down the 33kv primary voltage to 11kv suitable for distribution purpose.
The project work assigned to us was to 233 kv ehv substation electrical design. Technical specification construction of 3311 kv primary. Sep 30, 2012 the earthing system also guarantees equipotent bonding such thatthere are no dangerous potential gradients developed in the substation. Technical guide the mvlv transformer substations abb group. The two primary distribution feeders of the substation illustrated in figure 1 are protected by either power circuit breakers or automatic circuit reclosers. Technical specification construction of 3311 kv primary substations. 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. Drawing title 25251400 singer substation arrangement plan 25251401 singer substation sections 1 and 2. Jun 20, 2018 single line diagram 33kv 11kv substation this is the easy way to understand the working of substation. 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. Single line diagram33kv11kv substation this is the easy way to understand the working of substation.
It consists of two dead end poles to terminate the lines, two manual nonload break switches. Elk04 meets the most demanding quality requirements. Whenever light surges occur then, a highvoltage pass through these electrical components causing damage to them either temporary or. Product brochure gasinsulated switchgear elk04 modular. C substation standards typical duplex switchboard surge suppressor networks detail layout 60. Substation substation a station in the power transmission system at which electric power is transformed to a conveniently used form.
Single line diagram 233 kv 2 x 63mva transformer substation. The outdoor substations are mainly classified into two types, namely polemounted substation and foundationmounted substations. Distance between spv plant and substation is 3000m 3700m approximately. Substation layout electrical substation electricity. In phasei, a study of existing network and availability of space for the substation and lines up. Power evacuation, main single line diagram, grid interconnection. Dec 25, 2018 the electricity substation is a network of electrical equipment which is connected in a structured way in order to supply electricity to end consumers. The package substation housing is made from a composition of galvanised sheet metel of 1. Boq for construction of 1x5 mva 3311 kv substation at medical. The substation would be a combination of switching, controlling, and voltage. Covers the layout considerations, bus configurations, and electrical clearances. A wide variety of 33kv outdoor substation equipment options are available to you, such as usage, phase. Pdf single line diagram of substations pankaj choudhary. 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.
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. In an ideal substation all circuits and equipment would be duplicated such that following a fault, or during maintenance, a connection remains available. General specification for the civil engineering and building. Design parameters and standard layout of a 3311 kv substation.
E substation standards transformer sudden pressure relay schematic diagram 62. The tender portal gives you an insights about tenders and projects within medc. In this post, i will discuss all the electrical equipment that we practically used in our outdoor electrical substation first of all our demand load form, the government grid line was 3mw and there was a guideline for making this substation like transformer must be installed at the outdoor, well grounding. Earthing design of 11kv and 33kv rural substations in the uk. The substation design manual is not intended to replace asset management standards, but rather. Xdge is one of the most reliable gas insulated switchgear suppliers with. Design study for 3311 kv substation, distribution and protection in.
D substation standards control switches escutcheons, lamps and developments 61. The substation equipments such as conductors, transformers, etc. Technical specification construction of 3311 kv primary sub. Guidelines for substation and power distribution systems. 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 industrial customers. Home technical articles designing of hv power substation and layout. Electrical substation components list diagram, working. The layout of the substation is very important since there should be a security of supply. At substation, two outdoor switchyard bays exclusive for this plant shall be constructed with necessary equipment to facilitate 66kv.
The substation construction manual is not intended to replace asset management standards, but. Areas outside the substation do not need to be considered. Lightning arrester the substation equipments such as conductors, transformers, etc. Distribution voltages are typically medium voltage, between 2.
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. The neutral earthing resistors on the 11kv and 33kv limit fault levels so secondary substations will not be classed as hot. The manual is applicable for all substation projects regardless of internalexternal construction delivery mode. The manual is applicable for all substation projects regardless of internalexternal design delivery mode. Power generated at the above spv plant shall be transported to getco substation using 66kv underground cables from each of two bays. The station may consist of transformers, switches, circuit breakers and other auxilliary equipment. This is the difference in potential between the surface potential and the potential atearthedequipment whilst a. Some designs achieve minimum emf emission by installing the low voltage cables and switchboard in a trench down the middle of the room. Single line diagram 33kv11kv substation in hindi youtube.
The following layout designs of indoor distribution substation are typical only and should not be used as construction drawings as they are presented as an example. Owing to factory premanufactured and pretested components, transport, assembly and commissioning are simple and. The standard layout guides for the general arrangement of the equipments, structures, busbars etc. Existing and proposed single line diagram for 3311 kv. Outdoor substation a substation which is used for all voltage levels between 55 kv to 765 kv is called outdoor substation. 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. In this post, i will discuss all the electrical equipment that we practically used in our outdoor electrical substation. About 58% of these are power distribution equipment, 30% are transformers.
1238 1418 118 500 1170 1501 543 306 1069 658 1232 514 60 267 529 1527 980 1114 1250 1046 622 1314 1471 1451 127 930 754 567 1121 1394 260 268 798 135 424 1234 693 1168