A presentation on 2 kv grid sub station lokesh mali bus barit is a metallic bar which has high current carrying capability. Station transformer an overview sciencedirect topics. Aug 15, 2018 please subscribe and give video ha thunmbs up. The connection to the national grid was at a 2 kv substation south of the power station. In electrical systems and equipment third edition, 1992. Its unique inhouse capabilities include one of the worlds largest tower manufacturing and testing stations and a proprietary tracker mechanism. An industrial training ppt on 50mva, 2 33 kv grid sub station free download as powerpoint presentation. Design of earth grid for a 3311kv gis substation at a. They might have a transformer, depending on the possibly different voltages,so that the voltage levels can be adjusted as needed. Bus barit is a metallic bar which has high current carrying capability. The collector substation can also provide power factor correction if it is needed, metering and control of the wind farm.
Distribution substations michigan technological university. Grid station along with associated transmission line at dha phase7 dera chahal subproject is a category b subproject, as the grid station site does not have any environmentally sensitive receptor. Sld of 450 mva, 220 2 33 kv grid substation zainakoot. Introduction to grid station operation and management. Implementation of distributed generation with solar plants in. Distribution substation a distribution substation transfers power from the transmission system to the distribution system of an area. Single line diagram of 2kv grid in etap simulation in etap the figure 2 below shows simulated diagram of 2kv grid in etap. When downloaded from the eds database, this document is uncontrolled. The power from each group station was stepped up to 2 kv and was fed to the main grid via power and control cables. Distribution voltages are typically medium voltage, between 2. List of installations for 15 kv ac railway electrification in. Nov 14, 2020 our project is to design a 2kv33kv ehv substation where the incoming power is received at 2 kv from a generating station. Jun 09, 2018 this is a short post about the key ideas of 2kv design practices, too finish off the last of this series.
Tir john power station operating on anthracite duff had the cheapest fuel costs of any power station in the country. The british electricity supply industry was nationalised in 1948 under the provisions of the electricity act 1947 1011 geo. These specifications point out the contract characteristics for design, manufacture, testing, packing, shipping and delivery cip baghdad of underground cables with their accessories for operation in a three phase 2kv 50 hz system. Load flow analysis of 2 kv substation using etap software. Separate from the 2 kv grid is a 30 kv line connection between mon and varp substation north of gothenburg. Lightning trip out performance station na, not a station design criteria fault performance circuit failure, including momentary all other causes na, not a station design criteria 4. Sep 16, 2019 2 kv substation training for students busbars when a number of lines operating at the same voltage have to be directly connected electrically, busbar are used, it is made up of copper or aluminum bars generally of rectangular xsection and operate at constant voltage. The fence is connected to a separate grounding conductor. The board of tstransco accorded approval for implementing the above ssr 201415 in tstransco.
Design of earth grid for a 3311kv gis substation at a high. Safe and reliable grid design is complicated by the compact design of gas insulated substations gis. Thuso 400 2 kv substation 1st and 2nd 250 mva transformers. Pdf load flow analysis of 211 kv grid station bahawalpur.
So this tool was designed for free download documents from the internet. Create compensatory storage when building in a floodplain. About us we believe everything in the internet must be free. The road crossing of two ht feeders is done though 500 mcm cables that connect the two junctions of grid station and the ht lines. List of installations for 15 kv ac railway electrification. Implementation of distributed generation with solar plants in a 2. Implementation of distributed generation with solar plants. Ii design criteria for electrical facilities connected to the. The power from main bus was fed into a 20mva transformer which. Environmental quality standards, neqs protection and quality regulations 1990, 1996. An industrial training ppt on 50mva, 233 kv grid sub. The substation design manual is not intended to replace asset management standards, but rather to act as a reference document that crossreferences existing standards and process documentation and plugs any gaps where asset management documentation does not exist.
Surjamaninagar substation of tsecl to 4002kv substation. The selection of materials, design, calculation and testing of equipments shall be carried out according to the last issue of the international electromechanical commissions recommendations, as far as they exist. The supply for the 11 kv station boards is via a 2 kv, 275 kv or 400 kv 11 kv station transformer, the rating of which is chosen to provide a starting facility for the unit, and standby capacity to the unit transformer in the case of its being unavailable, due to an outage. Mlss0747501 for the contract price of equivalent to usd 6,474,067. Grid stations or grid sub stations are the stations which reduce the high voltage to low voltage. Overall pelham wymondley network comprises seven 2 33kv grid substations with associated 3311kv primary substations and a 2 25kv grid substation which form a p26 class e supply group with an average cold spell acs maximum winter corrected demand of 492. How 2kv is being converted into 11kv and then to 220v that we use in our homes part 2 s. List of drawings page 1 of 2 substation package ais. Grid station regulates and controls the power between interconnected transmission lines to increase the reliability of. Electrification design for modern housing scheme projects. Eventhough the substation plot is 75m x 75m, the grid is extended 1m beyond the boundary on all sides of the plot to take care of the high potentials that may occur along the. Specific provisions required for equipment and protection for interconnection of small hydro with grid at 11 kv and above is generally required for following modes of operation. Nepal electricity authority transmission directorate. Design drainage facilities like culverts, ditches, detention ponds, lift stations etc, to handle stormwater.
The project work assigned to us was to 2 33 kv ehv substation electrical design. Also the overhead wire system has some differences. The supply for the 11 kv station boards is via a 2 kv, 275 kv or 400 kv11. The input for a distribution substation is typically at least two transmission or subtransmission lines.
Description this is internship report of 2 kv grid station. The network layout, component ratings, and all operating values considered in the simulation are. These outgoing feeders are connected to the 2kv bauchazeta ss. After simulation etap alerts shows that bus no 3, 8, 9 are in under. In the future the alvkarleby hydroelectric power station may be connected to the traction network, as this would increase stability of the power grid of the railway system. Eventhough the substation plot is 75m x 75m, the grid is extended 1m beyond the boundary on all sides of the plot to take care of the high potentials that may occur along the plot boundary as suggested in ieee 802000. At 11 kv level, the cost of equipment and system goes down, as a result of which a more optimised design is created. Our project is to design a 2kv33kv ehv substation where the incoming power is received at 2 kv from a generating station. Design, supply, installation, testing, commissioning and civil works for 2 11. Figure 1 shows a singleline diagram of a 2 kv grid station of layyah in which three isolators 811, 821, and 831 at three legs leading to zones ac are connected to the main 2 kv bus. Single line diagram 233 kv 2 x 63mva transformer substation. Results are incorporated in the following drawings. This paper discusses the complete grounding design procedure for a 2 kv substation in the. An electrical grid station is an interconnection point between two transmission ring circuits, often between two geographic regions.
Similarly near the consumers localities, the voltage may have to be stepped down to utilization level. Most of the power transformers of 2 11 kv and above are of stardelta vector grouping with the most of the power transformers of 2 11 kv and above are of stardelta vector grouping with the. September 2008 and subsequently standard design criteria guidelines for balance of. Jun 01, 2020 the 2 kv grid station is connected with two main loops of transmission lines come from 500 kv grid station and main hydropower generation station. How solar power is connected to the grid electrical. The power factor is corrected here and the voltage is stepped down to 33kv and power is then transferred to distribution system of the grid to meet the requirements of the end consumers at their suitable voltage. The installed cable system shall be designed for a reliable service life of at least. Procurement of plant design, supply and installation of laha chowk 2 kv substation, new modi 2 kv switching station and 2 kv line bay expansion at lekhnath substation, ifb no. Substation grid stations substation is an intermediate switching, transforming or converting station between the generating station and the low tension distribution network situated generally the consumers load centre. There is one current transformer specified by symbol e which has two available current transformation ratios of 1005 a and 2005 a.
For economy of construction the collector system operates around 35 kv, and the collector substation steps up voltage to a transmission voltage for the grid. Single line diagram of 2 33 kv grid sub station bettiah 2 kv transfer bus 2 kv main bus 33 kv main bus 20 mva abb make tr. Ii design criteria for electrical facilities connected to. The environmental assessment requirements of the gop for grid stations and power. Ppt 2kvsubstation download powerpoint presentations.
Power substation design calculations a checklist of 18. These step down the grid voltage to that of the highest plant aux. This document will be available for download via the eskom. Pdf on may 1, 2019, abubakar siddique and others published load flow analysis of 2 11 kv grid station bahawalpur region pakistan. Nepal electricity authority transmission directorate modi. In the uk, 2kv is the standard primary transmission voltage operated by the dnos it is also known as a subtransmission voltage, the voltages above this point 275kv and 400kv are full transmission voltages and run by national grid of sse spen in scotland. Our project is to design a 2kv33kv ehv sub station where the incoming power is received at 2 kv from a generating station. Not required in case tender document is downloaded. Pdf grid grounding calculations for a 2kv substation. Site grading plan drawing site grading detail drawing property plan drawing. British electricity international, in station planning and design third edition, 1991. Section 4 is the load flow analysis of the substation. This paper deals with a comprehensive investigation of a 2 kv grid station in layyah, a backward city.
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