Nnn220 kv switchyard design pdf

Design of switchyard nwa free download as powerpoint presentation. To design the switchyard is to evacuate the power from 375 mw combined cycle power plant. 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. Design, spec purchase equipment gfe construction contract construction ed2 to picacho. 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. 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. Dec 01, 2001 a switchyard or substation, consisting of large breakers and towers, is usually located in an area close to the plant. Design of an airinsulated switchgear substation based on new technology.

Design guide for rural substations usda rural development. In case of large hydro stations the step up voltage may be up to 420 kv. Transmission system projects robert moody director, field maintenance. Switchyard definition it is switching station with incoming and outgoing feeders but without the transformer. The project will replace outdated equipment and build a new 500 kilovolt nurek switchyard within the nurek hydroelectric power plant complex.

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. The ergon energy design philosophy is to provide substations. Substation layout consists essentially in arranging a number of switchgear components in an ordered pattern governed by their function and rules of spatial separation. The standard instruction for construction of 3311 kv substation is given in rec standards which specifies the layout along with the switchgear.

Report on industrial summer training on 220 kv substation. Training report on 4002202 kv switchyard in india design and engineering. A 50 hz electrical substation in melbourne, australia. Dec 11, 2011 a switchyard connects and disconnects lines on the grid for various reasons. Operational description of 400kv switchyard ntpc ramagundam rstps. Sealed applications shall be delivered to the address below on or before prequalification closing date as shown below. The committee identified the issues of planning, design and engineering, project construction and monitoring, operation and maintenance. The substation is used as the distribution center where. Technical specification for design, supply, installation. Design parameters and standard layout of a 3311 kv substation. This document outlines the primary design standard for transgrid substations. 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.

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. 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 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. Gis substation design and execution hv and ehv gis. Power evacuation, main single line diagram, grid interconnection. Design, supply erection, testing and commissioning of 336. The course provides an overview of the purposes and functions of the major equipment used in substations and switchyards. 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. A 500kv ais switchyard rejuvenation in british columbia using hybrids author company email presenter t. Earthing mat design for a power substation ms excel. Design for relaying, metering and telemetry for the new line, as well as the existing line was provided. The main grid comprised a switchyard and the main control room, where all controls of. Ey1sp electrical substation and switchyard design for main. Solution all risk to execute by due date on abb abb typical conventional switchyard design met budget and time frame.

List the normal switchyard system operating parameters. Design, supply, erection testing and commissioning of 33. The first step in planning a substation layout is the preparation of a oneline diagram, which. The subtransmission is at medium high voltage such as 33 kv, 11 kv ac. He has also worked as an engineering manager and senior project engineer on major copper mine projects overseas. Chapter8 switchyard equipment hv bus bars, switchyard. 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.

The operations and equipment are essentially all at the same voltage level. Fundamentals of electrical substations and switchgear. Earth clearance this is the clearance between live parts and earthed structures, walls, screens and ground. 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.

Design,supply,manufacturing,erection, te 211 kv substation with sas at i. Agawam is an existing substation with a 115 kv switchyard. Soa repository artifact model and protocol user interface sramp ui project documentation. Scholar, electrical and electronics engineering department, aisect university bhopal, mp, india. What is the difference between a substation and a switchyard. Design,supply,manufacturing,erection, te sting and. Section 3 is the simulation of single line diagram of 220 kv substation in etap based upon practical data. Nttps is constructed in such a way that every one understand about the construction and working of 220 kv switch yards and its equipments. Nov 15, 20 this tutorial takes you through the steps required to create, implement, test and deploy a switchyard application using the eclipse tooling. Transmission system projects central arizona project. Mediumvoltage shielded power cable 2 kv up to 35 kv. Eci performed complete physical and electrical design at saguaro for the new 500 kv line termination in a breakerandonehalf configuration. However the supply of support structure for circuit breaker is under scope of cb manufacturer. The vendor shall have design capability for substation switchyard transmission line.

How solar power is connected to the grid electrical. 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. The fill for embankment ranges up to 27 feet in depth and the cut for excavation ranges up to 24 feet in depth. 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. The introduction chapter 1 for these design data collection guidelines contains additional information concerning. 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. Adb is helping tajikistan rehabilitate the nurek hydroelectric power plant, which produces over 70% of the countrys electricity. At least one said dc line is connected to at least one said busbar through a unidirectional said dc breaker, i. Abstract the thesis deals with the analysis of construction of power lines and substation switchyard of 3311 kv. Design considerations of the substation and switchyard ii. Meysp advanced electrical substation and switchyard design.

Aug 09, 2015 400 kv switchyard of ramagundam super thermal power station is the most vital switching station in the southern grid. Report on industrial summer training on 220 kv substation 1. The coordinates of incoming and outgoing overhead lines and the number and location of trans. Prescribed forms and procedure regulations 2009 document 4. The balance 8 bays in 220kv system commissioned during 197983. 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. Switch yard and substation design raghunatha ramaswamy.

This project overall view of 220kv switch yard in dr. 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. 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. Substation design services 4002202kv gis substation. Figure 1 existing substation with 220 kv breaker and a half and 110 kv double bus. Supply in the package materials have been classified as under i. This switchyard is heart of the orissa grid for which state load dispatch center sldc was. This bulletin is an update and revision of previous rea bulletin 651, design guide for rural substations revised june 1978. Technical specification construction of 3311 kv primary. 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. The project work assigned to us was to design a 233 kv ehv substation. Design, procurement and construction of century power. Electrical district ed2 to saguaro transmission line project.

Gis substation design and execution hv and ehv gis application and design considerations jeanlouis habert. Equipment used for protection, regulation, monitoring, and communication is introduced. A substation is a part of an electrical generation, transmission, and distribution system. Owners supply materials osm 3311 kv power transformers, station 330. Vijays experience is primarily in the field of industrial power distribution systems. Unit description rate each amount 3 nos item no 1 sf6 gas circuit breaker supply erection, testing and commissioning of 36 kv. Scribd is the worlds largest social reading and publishing site. Section 4 is the load flow analysis of the substation. Switchyard fencing with gate lot 1 d approach road from public road to ss gate, ss electric sign board, internal road, walk way. Suitable provisions can be made in the switchyard depending upon the local condition and locations so as to facilitate. The switchyard is basically integration of several electrical equipments suitably after complete design and engineering. This tutorial illustrates how to perform the following tasks. A 500kv ais switchyard rejuvenation in british columbia using. 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.

Design of switchyard nwa electrical substation lighting. Switch yard and substation design powerapps software product is a proprietary property of dr. It changes the voltage up or down for transmission or distribution. Hassayampa plant 230 kv switchyard modifications hassayampa tap 230 kv transmission line reconductor 3. Distribution voltages are typically medium voltage, between 2. 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. Design drawings 2kv substations regulation 52o of the infrastructure planning applications. This substation is constructed using steel lattice structures to support strain bus wires and apparatus.

Benefit increase system reliability able to bring needed capacity into system prior to summer peak. Technical specification construction of 3311 kv primary substations. Raghunatha ramaswamy was associated in the past either as consultant or as an employee do not own the proprietary property for this software. Switchyard equipments, switchyard in hindi, switchyard single line diagram, switchyard construction, switchyard protection, switchyard maintenance, switchyard animation, switchyard in. The switchyard design is not only influenced by the available space, but also by the location e. 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.

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