400 kv switchyard protection pdf file

This oneline sketch of a 3phase system shows a simple con. Internet of things on 230kv400 kv switchyard operation by scada. Required bay units of bus bar relay for bays under present scope are included under present scope. Pdf evaluating exposure from electric fields in a high. Hv substation project brief history et bihl d i 1987 f th il ti f l hv mv d established in 1987 for the realization of complex hv, mv and lv projects. 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. Presentations ppt, key, pdf logging in or signing up. Distribution substations michigan technological university. Part of the body was exposed to electric field strength above the high action level. Conclusion the overview of this project is about the various techniques involved in 400 kv switchyard of ramagundam power plant. By this we get to know about the operation of different equipments in switch yard and its maintainance. External flashover of generator circuit breaker in coastal. 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.

Electrical works 400 kv substation chapter7 400 kv substation 1. Rf 600005 6 a screen grounded at both ends is a, type of switchyard is influencing the transient level. Relays and protection schemes every power system element is subjected t a fault or a 2. Switchyard lecture1 electrical substation insulator. Fsc and ssr protection in lalitpur generating plant. The fill for embankment ranges up to 27 feet in depth and the cut for excavation ranges up to 24 feet in depth. This bulletin is an update and revision of previous rea bulletin 651, design guide for rural substations revised june 1978. Page 1 of 10 before the uttar pradesh electricity regulatory commission. 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. Study of substation equipment and protection seminar report. Operational description of 400kv switchyard ntpc ramagundam. Appendix c table of contents substation drawings singer substation drawing no.

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. Kv and rest all units are connected to 400 kv grid. The first step in designing a power substation is to design an earthing and bonding system go to content earthing and bonding. This class of device is used to protect equipment in power transmission and. Setting procedures are only discussed in a general nature in the material to follow. The input for a distribution substation is typically at least two transmission or subtransmission lines. Routine breakdown capital maintenance work of 220k tender. What is the difference between a substation and a switchyard. Transients due to switching of 400 kv shunt reactor.

Plcc control room is used for carrier communication and protection purpose. Chapter 7 400 kv substation free download pdf ebook. The voice signal is convertedcompressed into the 300 hz to 4000 hz range. 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. Chapter8 switchyard equipment hv bus bars, switchyard. Pdf transients due to switching of 400 kv shunt reactor. Latest automation philosophy for 400 kv kosamba sub. Study of substation equipment and protection seminar report pdf ppt download these may be hydro, thermal, atomic etc. Switchyard substation upto 400kv have generally been installed in the country. Distribution substations may also be the points of voltage regulation, although on long distribution circuits several kmmiles, voltage regulation equipment may also be installed along the line. External flashover of generator circuit breaker in coastal power plants having air insulated switchyard. The single line diagram shows the detailed layout of substation. Adani power training and research institute, ahmedabad, india. 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.

An electrical substation is a part of an electricity generation. Download as ppt, pdf, txt or read online from scribd. Eci performed complete physical and electrical design at saguaro for the new 500 kv line termination in a breakerandonehalf configuration. Also the hard copies as per specification shall be submitted. Eci performed complete physical and electrical design at saguaro for the new 500 kv line termination in a. Switchyard lecture1 free download as powerpoint presentation. Failure of 400 kv sf6 current transformer bphase at 500 kv. Automation philosophy for 400 kv kosamba sub station a technical details of 40022066kv system.

The fault resistance was so high that the distance protection at localremote end could not detect the fault and directional earth fault backup. 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. 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. Basic of 400kv substation design scribd basic of 400kv substation design. Pdf familiarization of 400 kv, 220 kv, 2 kv substation. Latest automation philosophy for 400 kv kosamba sub station. Conclusion the overview of this project is about the various techniques.

The function of an earthing and bonding system is to provide an earthing system connection to which transformer neutrals or earthing impedances may be connected in order to pass the maximum fault current. Download as pdf, 400200 kv substation 400200 kv substation design scribd 400200 kv substation design free download as pdf file graph of sp. 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. Bus bar protection 220 kv bus bar 1 bus differential protection single scheme areva makep 74x i. Pdf report on 400kv substation niraj dandge academia. Distribution voltages are typically medium voltage, between 2. The ergon energy design philosophy is to provide substations. Substations design of substations to be based on the following xii. Both 220 kv and 400 kv switchyard are outdoor air insulated switchyard ais and the bus arrangement is double main and transfer and one and. Complicated distribution substations can be found in the downtown areas of large cities. Protection of 400 kv bus also operated and all the. Drawing title 25251 400 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 new transmission circuit extends from teps tortolita substation to the saguaro switchyard and parallels an existing 500 kv line. Operational description of 400kv switchyard ntpc ramagundam rstps.

Scribd is the worlds largest social reading and publishing site. Energy meters with mod bus protocol shall be connected to fo network by using appropriate converter so as metering data shall be available to the dedicated. Study of substation equipment and protection seminar reportpdfppt download these may be hydro, thermal, atomic etc. Existing distributed bus bar relay is of reb500 of abb make. Communication plcc is mainly used for telecommunication, tele protection and telemonitoring between electrical substations through power lines at high voltages, such as 110 kv, 220 kv, 400 kv. Study of substation equipment and protection seminar. Conclusion the overview of this project is about the various techniques involved in 400 kv.

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. Distribution substation a distribution substation transfers power from the transmission system to the distribution system of an area. Directional earth fault protection for transmission lines. 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. Aug 09, 2015 400 kv switchyard of ramagundam super thermal power station is the most vital switching station in the southern grid.