Transformer protection application guide this guide focuses primarily on application of protective relays for the protection of power transformers, with an emphasis on the most prevalent protection schemes and transformers. Pgcil, new delhi 400220 kv gis substation with central. Distribution substation a distribution substation transfers power from the transmission system to the distribution system of an area. Insulators switchyard structures, isolating switches current and voltage. The substation is responsible for catering bulk power to various load centres. Setting procedures are only discussed in a general nature in the material to follow. Appendix c table of contents substation drawings singer substation drawing no. Switchgear and protective devices 2015 8 p a g e risk of synchronous motors in large industrial premises falling out of step and tripping out. Indications are associated with status changes and protection. Guidelines for power plant equipments to attract wider participation by equipment. Design of earthing system for 400 kv ac substation. Pdf familiarization of 400 kv, 220 kv, 2 kv substation. Part of the body was exposed to electric field strength above the. Pdf evaluating exposure from electric fields in a high.
Substation design services 4002202kv gis substation. The gis substation at magarwada is basically a connector between two grids of 400 kv and 220 kv through inter connecting transformersict. The project will replace outdated equipment and build a new 500 kilovolt nurek switchyard within the nurek hydroelectric power plant complex. Transients due to switching of 400 kv shunt reactor.
The design of any protection function requires deep. Study of substation equipment and protection seminar reportpdfppt download these may be hydro, thermal, atomic etc. Download your presentation papers from the following links. Switchyard substation upto 400kv have generally been installed in the country. The ergon energy design philosophy is to provide substations. Chapter8 switchyard equipment hv bus bars, switchyard.
Inquiry if you are interested in 400 kv substation design pdf,please feel free to give your inquiry in the form or the email below. Training report on 4002202 kv switchyard in india design and engineering. In restoration of 400 kv redundant and transformer field i was in a roll of responsible construction supervisor when investor allready confirmed installation package documentation with presentation of. The fill for embankment ranges up to 27 feet in depth and the cut for excavation ranges up to 24 feet in depth. This also includes design, supply, laying and termination of pvc insulated armoured power and control cables required for distribution of ac auxiliary power at different points of switchyard. What is the difference between a substation and a switchyard. Right here get download updates get premium membership.
It may also have a component due to the surface leakage that is due especially to surface contamination. Electrical works 400 kv substation chapter7 400 kv substation 1. The first step towards the design of a 4002202 kv substation is to determine the load that the substation has to cater and develop it accordingly. Medium voltage products technical guide the mvlv transformer substations passive users 1 2 1. Distribution substations michigan technological university. Operational description of 400kv switchyard ntpc ramagundam. Pdf switching transients in 400 kv transmission network due to. Download as ppt, pdf, txt or read online from scribd. The substation is responsible for catering bulk power to various load centres distributed all around through 220 kv and 2 kv substations. An assessment according to directive 2035eu of exposure in a 400 kv switchyard has been performed. Switchyard lecture1 free download as powerpoint presentation. Download as pdf, 400200 kv substation 400200 kv substation design scribd 400200 kv substation design free download as pdf file graph of sp.
Switchyard lecture1 electrical substation insulator. Distribution voltages are typically medium voltage, between 2. Adb is helping tajikistan rehabilitate the nurek hydroelectric power plant, which produces over 70% of the countrys electricity. Directional earth fault protection for transmission lines. Tutorial on static var compensators siemens energy sector. Internet of things on 230kv400 kv switchyard operation by scada. There is a provision of manual entry of measured values, counters and indications for the important. Tutorial on static var compensators san francisco, june 12, 2005 outline module 1 reasons for reactive power compensation module 2 basic characteristics of svc module 3 svc configurations and implications module 4 main components in existing installations module 5 thyristor valves module 6 regulation, control and protection system. The first step towards the design of a 400 2202 kv substation is to determine the load that the substation has to cater and develop it accordingly. Presentation upptcl 400kv substation motiram adda, gorakhpur free download as powerpoint presentation.
Conclusion the overview of this project is about the various techniques involved in 400 kv switchyard of. Electrical substations can also be divided into public and. Pdf transients due to switching of 400 kv shunt reactor. The power is received on 400 kv busbar double main and transfer bus scheme. The input for a distribution substation is typically at least two transmission or subtransmission lines. The fault resistance was so high that the distance protection at localremote end could not detect the fault and directional earth fault backup. Training report on 4002202 kv switchyard in india design and. 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. Presentation upptcl 400kv substation motiram adda, gorakhpur273010.
Drawing title 25251400 singer substation arrangement plan 25251401 singer substation sections 1 and 2 25251402 singer substation section 3 gis enclosure 25251500 singer substation grading plan 25251501 singer substation foundation plan 25251502 singer substation. The general layout of a protection system may be viewed as given in the following figure. Directional earth fault protection for transmission lines need and operational experiences. Routine breakdown capital maintenance work of 220k tender. Study of substation equipment and protection seminar.
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. Presentation upptcl 400kv substation motiram adda, gorakhpur. Also the hard copies as per specification shall be submitted. Pdf industrial training report on 400220kv substation.
Chapter 7 400 kv substation free download pdf ebook. In second part we present performing of installation and dismantling parts in switchyard in time before and during repairs in october 20. Pdf the paper presents the case study of sf6 circuit breaker failure during switchingoff an unloaded and relative long 400 kv transmission line. 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. Operational description of 400kv switchyard ntpc ramagundam rstps.
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. In substation fier, the existing 220 kv switchyard will be extended, a new 40022035 kv autotransformer shall be installed and a double busbar switchyard on 400 kv level will be constructed. Substations involves many earthlings through individual electrodes, which will have fairly high resistance. Due to the specific place and type of fault the relay protection system did not operate. Substations design of substations to be based on the following xii. Maintenance and operation of an electrical substation of 220233 kv. Design of earthing system for 400 kv ac substation a case.
434 735 1311 914 864 378 1512 1361 1314 701 293 811 1345 1267 392 1487 512 173 206 932 68 570 490 494 480 818 1481 1303 1152 1123 76 844 400 1177 1531 899 1286 912 592 1276 249 1414 569 983