Switchyard definition it is switching station with incoming and outgoing feeders but without the transformer. This is showing three of the five 220 kv 66 kv transformers, as well as highvoltage transformer fire barriers, each with a capacity of 150 mva. The project will replace outdated equipment and build a new 500 kilovolt nurek switchyard within the nurek hydroelectric power plant complex. Design, supply, erection testing and commissioning of 33. Scholar, electrical and electronics engineering department, aisect university bhopal, mp, india. Design parameters and standard layout of a 3311 kv substation. Owners supply materials osm 3311 kv power transformers, station 330. List the normal switchyard system operating parameters. A structure or building in a substation or switchyard that contains devices that monitor substation or switchyard conditions coupling capacitor voltage transformer ccvt a device that puts communication signals on powerlines between substations or between switchyards and takes the signal off the lines. Electrical district ed2 to saguaro transmission line project. Training report on 4002202 kv switchyard in india design and engineering. Dec 11, 2011 a switchyard connects and disconnects lines on the grid for various reasons. Switch yard and substation design powerapps software product is a proprietary property of dr. Scribd is the worlds largest social reading and publishing site.
The standard instruction for construction of 3311 kv substation is given in rec standards which specifies the layout along with the switchgear. It changes the voltage up or down for transmission or distribution. Report on industrial summer training on 220 kv substation 1. Program is designed as per ansiieee 80 code, it calculates step potential of switchyard, touch potential of switchyard, total length of earthing mat conductor, size of earthing mat conductor and total number of earthing rods.
The project work assigned to us was to design a 233 kv ehv substation. Prescribed forms and procedure regulations 2009 document 4. Nov 15, 20 this tutorial takes you through the steps required to create, implement, test and deploy a switchyard application using the eclipse tooling. Design of switchyard nwa electrical substation lighting. Raghunatha ramaswamy was associated in the past either as consultant or as an employee do not own the proprietary property for this software. Earthing mat design for a power substation ms excel. The balance 8 bays in 220kv system commissioned during 197983. The introduction chapter 1 for these design data collection guidelines contains additional information concerning. The first step in planning a substation layout is the preparation of a oneline diagram, which. The substation is used as the distribution center where.
The switchyard is basically integration of several electrical equipments suitably after complete design and engineering. Distribution substations are usually characterized by voltages up to 230 kv on the primary side and on the low side the voltages are typically, 12. Distribution voltages are typically medium voltage, between 2. In case of large hydro stations the step up voltage may be up to 420 kv. Switchyard equipment and structure be designed to safely withstand. Transmission system projects central arizona project. The operations and equipment are essentially all at the same voltage level. Report on industrial summer training on 220 kv substation. Design,supply,manufacturing,erection, te sting and. However the supply of support structure for circuit breaker is under scope of cb manufacturer. The coordinates of incoming and outgoing overhead lines and the number and location of trans. Gis substation design and execution hv and ehv gis.
Section 4 is the load flow analysis of the substation. The switchyard is located approximately 850 feet southwest of the right abutment of the dam, and approximately 170 feet higher than the top of the dam. Agawam is an existing substation with a 115 kv switchyard. To design the switchyard is to evacuate the power from 375 mw combined cycle power plant. This bulletin is an update and revision of previous rea bulletin 651, design guide for rural substations revised june 1978. Design considerations of the substation and switchyard ii. Switchyard equipments, switchyard in hindi, switchyard single line diagram, switchyard construction, switchyard protection, switchyard maintenance, switchyard animation, switchyard in. Design guide for rural substations usda rural development. Chapter8 switchyard equipment hv bus bars, switchyard. Ey1sp electrical substation and switchyard design for main. The fill for embankment ranges up to 27 feet in depth and the cut for excavation ranges up to 24 feet in depth.
At least one said dc line is connected to at least one said busbar through a unidirectional said dc breaker, i. A substation is a part of an electrical generation, transmission, and distribution system. Fundamentals of electrical substations and switchgear. Gis substation design and execution hv and ehv gis application and design considerations jeanlouis habert. Meysp advanced electrical substation and switchyard design.
Substation and switchyard both are different and these two switchyard is the inter connector between generation and transmission, and same voltage is mentained in switchyard, substation is the inter connector between transmission and distribution. The subtransmission is at medium high voltage such as 33 kv, 11 kv ac. A 500kv ais switchyard rejuvenation in british columbia using hybrids author company email presenter t. Supply in the package materials have been classified as under i.
A 500kv ais switchyard rejuvenation in british columbia using. Design, spec purchase equipment gfe construction contract construction ed2 to picacho. Vijays experience is primarily in the field of industrial power distribution systems. Consultancy technical assistance by cea a in the last five year or so central electricity authority provided design and engineering consultancy technical assistance for the following transmission lines and associated substations. This substation is constructed using steel lattice structures to support strain bus wires and apparatus. The switchyard design is not only influenced by the available space, but also by the location e. What is the difference between a substation and a switchyard. He has also worked as an engineering manager and senior project engineer on major copper mine projects overseas. Substation layout consists essentially in arranging a number of switchgear components in an ordered pattern governed by their function and rules of spatial separation.
Mediumvoltage shielded power cable 2 kv up to 35 kv. This switchyard is heart of the orissa grid for which state load dispatch center sldc was. Technical specification for design, supply, installation. In case they do not have design drafting capability, after receiving purchase order from bhel, the vendor shall tie up with competent design consultants in which case vendor shall submit the. This document outlines the primary design standard for transgrid substations. The committee identified the issues of planning, design and engineering, project construction and monitoring, operation and maintenance.
Design for relaying, metering and telemetry for the new line, as well as the existing line was provided. Design drawings 2kv substations regulation 52o of the infrastructure planning applications. Figure 1 existing substation with 220 kv breaker and a half and 110 kv double bus. Soa repository artifact model and protocol user interface sramp ui project documentation. Equipment used for protection, regulation, monitoring, and communication is introduced. Dec 01, 2001 a switchyard or substation, consisting of large breakers and towers, is usually located in an area close to the plant.
Design, procurement and construction of century power. Nttps is constructed in such a way that every one understand about the construction and working of 220 kv switch yards and its equipments. The ergon energy design philosophy is to provide substations. Suitable provisions can be made in the switchyard depending upon the local condition and locations so as to facilitate. This tutorial illustrates how to perform the following tasks. The course provides an overview of the purposes and functions of the major equipment used in substations and switchyards.
The vendor shall have design capability for substation switchyard transmission line. Design of an airinsulated switchgear substation based on new technology. This project overall view of 220kv switch yard in dr. The proposed modifications at this substation, shown on figure 24 below, include constructing a new 345 kv switchyard to interconnect two 345 kv lines, two 345115 kv autotransformers, a new 115 kv circuitbreaker bay, and a. Substation design services 4002202kv gis substation. Section 3 is the simulation of single line diagram of 220 kv substation in etap based upon practical data. Switchyard fencing with gate lot 1 d approach road from public road to ss gate, ss electric sign board, internal road, walk way. Benefit increase system reliability able to bring needed capacity into system prior to summer peak. Design, supply erection, testing and commissioning of 336.
Switchyard design a seminar report submitted in partial fulfilment of the requirements for the award of the degree bachelor of technology in electrical engineering by milind punj roll. Transmission system projects robert moody director, field maintenance. Industrial summer training report on uttar pradesh power corporation limited 2202 kv substation barahuwa gorakhpur submitted in partial fulfillment of the requirements for the award of degree of bachelor of technology in electrical engineering ee submitted by ashutosh srivastava. Technical specification construction of 3311 kv primary substations. A high voltage dc switchyard comprises at least one busbar, at lest two dc lines connected to said at least one busbar through dc breakers comprising a section of at least one semiconductor device of turnoff type and rectifying member in antiparallel therewith. Design lightning outage rates outages100 kilometreyear 7 transmission line design standard easement widths are sized to ensure standard safety clearances under high wind conditions, provide. Abstract the thesis deals with the analysis of construction of power lines and substation switchyard of 3311 kv.
Power evacuation, main single line diagram, grid interconnection. A 50 hz electrical substation in melbourne, australia. Eci performed complete physical and electrical design at saguaro for the new 500 kv line termination in a breakerandonehalf configuration. Behrouz has also gained good knowledge in substation design, hv cables sizing and installation, transmission system design, earthing system design and applications, and power system protection design and applications. Lightening arrestors capacitive voltage transformer 400 kv switchyard ntpc safe guards the equipment by discharging the high currents due to lightning and to discharge the high voltage surges in the power system due to lightning to the ground. He has contributed to the design, engineering, commissioning and operation of hv distribution equipment in steel industry for over 15 years which includes outdoor switchyards, indoor mv switchgear and distribution substations. A mini project report on operation and maintenance of 2202kv substation submitted in partial fulfillment for the award of the degree of bachelor of technology in electrical and electronics engineering submitted by v. Design of switchyard nwa free download as powerpoint presentation. Answer shubham batham a switchyard is where the power is maintained at same level without change of voltage after generating transformer the power is feed to the switchyard with the help of conductor bar. Aug 09, 2015 400 kv switchyard of ramagundam super thermal power station is the most vital switching station in the southern grid.
Operational description of 400kv switchyard ntpc ramagundam rstps. Switch yard and substation design raghunatha ramaswamy. Industrial summer training report on uttar pradesh power corporation limited 2202 kv substation barahuwa gorakhpur submitted in partial fulfillment of the requirements for the award of degree of bachelor of technology in electrical engineering ee submitted by ashutosh srivastava 75120016 submitted to. Solution all risk to execute by due date on abb abb typical conventional switchyard design met budget and time frame. 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. Adb is helping tajikistan rehabilitate the nurek hydroelectric power plant, which produces over 70% of the countrys electricity. Development of design for step up voltage for interconnection with grid for power evacuation, main single line diagram and substation layout up to 245 kv is. Technical specification construction of 3311 kv primary. Sealed applications shall be delivered to the address below on or before prequalification closing date as shown below. Hassayampa plant 230 kv switchyard modifications hassayampa tap 230 kv transmission line reconductor 3. Unit description rate each amount 3 nos item no 1 sf6 gas circuit breaker supply erection, testing and commissioning of 36 kv. Earth clearance this is the clearance between live parts and earthed structures, walls, screens and ground.
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