Pdf grounding system design in electrical substation. Download as pdf, 400 200 kv substation 400 200 kv substation design scribd 400 200 kv substation design free download as pdf file graph of sp. Agrawal 1,2,3be student123, department of electrical engineering 4proffessor4. Installation of 11kv440v distribution substation ajinkya lonare1, pravin 2bodadkar, 4shuchiket darunde3, dr. Distribution substations are usually characterized by voltages up to 230 kv on the primary side. The primary function of a 400220 kv substation would be to provide a conversion of different voltage levels so that power systems can be connected together to form a power system grid.
A cable fed substation will have a split factor somewhere between 5% and 40% depending on the cable sheaths and earthing configuration where a substation is fed via overhead line and has no metallic return path, all the earth fault current with flow through the mass of earth and the split factor will be 100%. Distribution substation a distribution substation transfers power from the transmission system to the distribution system of an area. Technical specification construction of 3311 kv primary sub. An electrical substation is a combination of a number of major electrical equipments like power transformers, circuit breakers, instruments transformers, bus bars, lightning arresters, control panels, interconnecting cables, capacitor banks, battery set, and other related equipments designed as per the requirements, size, capacity and class of the substation.
Supply of four new 6611 kv underground sss and upgrading of four existing sss, including gis and ais, shunt reactors, power transformers and cables. Covers the layout considerations, bus configurations, and. These power generating stations may be hydroelectric, thermal or atomic. The availability willis 2000 can be defined as the fraction of time that the electric power is available in a certain point in the network during a given time interval. Substation automation system with iec 61850 compliance high system availability with redundancy guaranteed system openness for future expansion and integration abb solution turnkey 400 kv 220. 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.
The substation is fed 16 mw power from 3 generating stations a,b,c through 400 kv single circuit lines working at around 87% loading the power is received on 400 kv busbar double main and transfer bus scheme. The transformer steps down the voltage to 400 v, 3phase, 4wire. For fulfilling these huge power demands the modern time requires creation of bigger and bigger power generating stations. Complete design,engineering and consultancy services for 233 kv,2x50 mva ab zone substation 7x2 kv bays,12x33 kv bays, 11 kv7 panel swbd. No description of technical parameter unit data 1 nominal system voltage kv. Download as pdf, 400200 kv substation 400200 kv substation design scribd 400200 kv substation. Design of earthing system for 400 kv ac substation a case study. A cable fed substation will have a split factor somewhere between 5% and 40% depending on the cable sheaths and earthing configuration where a substation is fed via overhead line and has no metallic.
Agrawal 1,2,3be student123, department of electrical engineering 4proffessor4, department of electrical engineering kdk college of engineering, nagpur, maharashtra, india abstract transmission. Scope o f work for 220 kv substation mehna khera is as under. The whole substation is divided into three part 400kv,220kv and 33 kv and a common control room is used 5 6. Design,supply,manufacturing,erection, te 211 kv substation with sas at i. Currently, digital substations can be classified into 3 modes. Technical guide the mvlv transformer substations abb group. Scholar, electrical and electronics engineering department, aisect university bhopal, mp, india. Iec61850 adopted at station level iec61850 adopted at. Our system planning, project management, design, program management and construction management experience ranges from.
For fulfilling these huge power demands the modern time requires creation of bigger and bigger power. A design layout of 233 kv, 200 mw substation the substation is connected with three substations or load viz. Design of earthing system for 400 kv ac substation. This bulletin is an update and revision of previous rea bulletin 651, design guide for rural substations revised june 1978. Design guide for rural substations usda rural development. Energypac has been manufacturing reliable instrument transformers for more than 30 years. The input for a distribution substation is typically at least two transmission or subtransmission lines. Drawing labels, details, and other text information extracted from the cad file translated from spanish.
The typical protection systems of two transformers 60mva, 2303311 kv and 100 mva. Pinal central substation to tortolita substation 500kv. Earthing design of 11kv and 33kv rural substations in the uk. Fundamentals of electrical substations and switchgear. Design build services for a hidden 66 kv substation in nine months, including the design, procurement, construction and landscaping, for the knoxville utilities board. Why in transmission substations 400kv is not directly stepped. Pdf substation design manual shally gupta academia.
The dependency of secure power is increasing in the society which leads to higher demands on the availability of electric power. Discover the best electrical substation books and audiobooks. Report on industrial summer training on 220 kv substation. No description of technical parameter unit data 1 nominal system voltage kv rms 33kv 2 maximum system voltage kv rms 36. Learn from electrical substation experts like sai global apac and genability. Design parameters and standard layout of a 3311 kv substation. The ergon energy design philosophy is to provide substations. I need a free software for earthmat design for 33kv to 400 kv substations in india. Basic of 400kv substation design scribd basic of 400kv substation design. Substation automation system with iec 61850 compliance high system availability with redundancy guaranteed system openness for future expansion and integration abb solution turnkey 400 kv 220 kv greenfield substation with 5 bays at 400 kv and 7 bays at 220 kv with 2 nos. All rus borrowers rus electric staff effective date. Design,supply,manufacturing,erection, te sting and. Distribution substations michigan technological university. Edms, printed to an electronic drawing set adobe pdf and issued to the project.
Key diagram 11kv400v indoor substation iiteeeestudents. Distribution voltages are typically medium voltage, between 2. Insitu insulation test of 400 kv gis article pdf available in ieee transactions on dielectrics and electrical insulation 155. Substation configuration substation configuration can greatly affect protection choices substation physical design engineers must be in full agreement with protection and control engineers, even for. Section 3 is the simulation of single line diagram of 220 kv substation in etap based upon practical data. Abstract the thesis deals with the analysis of construction of power lines and substation switchyard of 3311 kv. Digital substation and iec61850 tomorrow iec 6185081 670 series reb500 650 series sam600 ncit ncit sam600 iec 6185081 iec 6185092 digital substation 1 all signals digital, station and process. Scope construction of 765400 kv substation at bikaner and extension of 765 kv substation at ajmer and moga substation associated with adb funded green energy corridor. Best practices for protection and control applications for. Instrument transformers are designed to provide reliable performance in accordance with latest stringent global design standards like iec and ieeeansi. Design criteria on substation protection by using instrument. 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. Various options were researched but following a process of elimination, two viable options were evaluated. Stage 3 detailed design report rev d tracked changed.
This ensures a product with less maintenance, low weight, flexible mounting facilities, high reliability. Apr, 2017 report on industrial summer training on 220 kv substation 1. Via inplace elevation of substation structures and equipment pdf. Mediumvoltage shielded power cable 2 kv up to 35 kv. Digital substation and iec61850 tomorrow iec 6185081 670 series reb500 650 series sam600 ncit ncit sam600 iec 6185081 iec 6185092 digital substation 1 all signals digital, station and process 2 analog, status and commands 3 acquire once, distribute on a bus ncit nonconventional instrument transformers. Typical schemes of digital substation typical schemes of digital substation complied with iec61850 the digital substation uses innovative ethernet technology to realize information sharing at process. Aug 22, 2016 the primary function of a 400220 kv substation would be to provide a conversion of different voltage levels so that power systems can be connected together to form a power system grid. Substations involves many earthlings through individual electrodes, which will have fairly high resistance. To better understand the importance of electrical substations, lets start with a discussion about the structure of the power systems and their main components. The reason for 400kv being step down gradually through 2kv, 66kv and then to 33kv is because direct stepping down would mean a huge transformer at the reciever end. Design and construction of the pinal central substation to tortolita substation 500kv. A free inside look at substation engineer interview questions and process details for companies all posted anonymously by interview candidates. Discover electrical substation books free 30day trial scribd.
Substation configuration substation configuration can greatly affect protection choices substation physical design engineers must be in full agreement with protection and control engineers, even for temporary substation configurations. Section 4 is the load flow analysis of the substation. Design and construction of the pinal central substation to tortolita substation 500 kv transmission project is anticipated to begin in mid2009 with an inservice date of mid2011. May 15, 2018 electrical substation now days the electrical power demand is increasing very rapidly. Fundamentals of modern electrical substations part 1. Scholar, electrical and electronics engineering department, aisect university bhopal. Complete design,engineering and consultancy services for 233 kv,2x50 mva ab zone substation 7x2 kv bays,12x33 kv bays, 11 kv 7 panel swbd. Typical schemes of digital substation typical schemes of digital substation complied with iec61850 the digital substation uses innovative ethernet technology to realize information sharing at process bus and station level.
Depending upon the availability of resources these stations are constructed. Report on industrial summer training on 220 kv substation 1. The first step in planning a substation layout is the preparation of a oneline. Electrical substation now days the electrical power demand is increasing very rapidly. Covers general issues related to site design, foundation design and control house design. Providing 2x100mva, 2202 kv transformer and 1x100mva, 22033 kv transformer, its bays along with allied switchgear and. Instrument transformers are designed to provide reliable.
As2067 substations and high voltage installations exceeding 1 kv ac. Designbuild services for a hidden 66kv substation in nine months, including the design, procurement, construction and landscaping, for the knoxville utilities board. Power system structure the typical power system structure is shown in fig. A substation is a part of an electrical generation, transmission, and distribution system. Design of earthing system for 400 kv ac substation a case.
1394 1298 708 697 1384 59 20 123 1146 913 1377 1056 816 1201 1043 341 1455 1318 464 793 1543 878 759 1139 582 1204 1 153 568 1134 202 1060 270