220 kv switchyard protection pdf

The foundations were constructed over piles as site. Study of substation equipment and protection seminar report pdf ppt download these may be hydro, thermal, atomic etc. The lightening arrestors are grounded to the earth so that it can pull the lightening to the ground. Distribution substations michigan technological university. Control and relay panel is most important equipment of the substation as it work as shield guard for all substation equipments and electrical. Control and protection system installed in control room building ac bay. Pdf familiarization of 400 kv, 220 kv, 2 kv substation. The first step towards the design of a 400 220 2 kv substation is to determine the load that the substation has to cater and develop it accordingly.

Construction manual for gss rajasthan energy department. Pdf transient analysis of 220kv distribution substation. Transient analysis of 220kv distribution substation. The input for a distribution substation is typically at least two transmission or subtransmission lines. 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. In switchyard we are using hand gloves to open or close isolator and give a earth switch in 66 kv,2 kv and 220 kv but the rating of gloves is maximum 40 kv then why we using that gloves. Pdf maintenance and operation of an electrical substation of 220. 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 system parameters for 765kv, 400kv, 220kv, 2kv and 33kv are given.

Pdf power system has dynamic behavior as it faces various disturbances like sudden. The subtransmission is at medium high voltage such as 33 kv, 11 kv ac. Chapter8 switchyard equipment hv bus bars, switchyard. Report on industrial summer training on 220 kv substation 1. Nepal electricity authority a government of nepal undertaking transmission directorate nepalindia electricity transmission and trade project icb no. 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. In a large substation, circuit breakers are used to interrupt any shortcircuits or overload currents.

It considered incoming power at 220 kv and the power was transferred to main bus through isolator circuit. Niettpwicb3ss bidding document for procurement of plant design, supply and installation of 2202 kv hetauda and inaruwa substations single stage bidding volume ii of iii february, 2018. Turnkey 400 kv 220 kv greenfield substation with 5 bays at 400 kv and 7 bays at 220 kv with 2 nos. Distribution voltages are typically medium voltage, between 2. Study of substation equipment and protection seminar. 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. Pdf model study of lightning protection of 110 kv substation. In any substation the main important is of protection which is firstly done by these lightening arrestors. Scribd is the worlds largest social reading and publishing site.

Model study of lightning protection of 110 kv substation. 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. Industrial summer training report on uttar pradesh power corporation limited 220 2 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. Overhead busbar design for 22066 kv gis substation prakruti shah1 and hetal desai2. Dead tank circuit breaker 245 kv high performance breaker with highest short circuit breaking current a complete range of dead tank breakers at 245 kv provide options for applications with higher than standard asymmetry requirements xr ratio and offers the highest short circuit capacity in. Transformer protection based on transient detection ieee. The busbar is provided with lightning protection to safeguard the equipment against direct stroke by providing aerial earth. Insulators switchyard structures, isolating switches current and voltage. Shortcircuit current stresses and protection jointing methods and performance. Automation philosophy for 220 kv popda sub station a technical details of 220266 system 1.

Electrical clearance in substation electrical notes. All these factors will be taken into account in the solution we propose. Training report on 4002202 kv switchyard in india design and engineering. 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. Nttps is constructed in such a way that every one understand about the construction and working of 220 kv switch yards and. Pdf the paper describes a simulation procedure which can be applied in order. In any substation the main important is of protection which is firstly done by these. The study of 220kv power substation equipment details eep. Automation philosophy for 220 kv jarod vyankatpura sub station a technical details of 22066kv system. 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. The company was found negligent on maintenance of 220 kv switchyard of thermal power station tps guddu old and nonoperation of 220 kv circuit breaker which resulted in power breakdown on january 21, 2016 in the northern network of country darkening punjab and khyber pukhtunkhwa. The coordinates of incoming and outgoing overhead lines and the number and location of transformers and specified voltage levels are also fundamental for switchyard layout.

Switchyard definition of switchyard by the free dictionary. The switching and fault protection are broadly done using gis technology. Industrial training report on 400220kv substation of. The general layout of a protection system may be viewed as given in the following figure. The substation is responsible for catering bulk power to various load centres. Automation philosophy for 220 kv jarod vyankatpura. Maintenance and operation of an electrical substation of 220 233 kv. Uttar pradesh power corporation ltd, dohna 220233 kv substation.

The current transformers and accessories covered by this specification shall comply with the. The grid 220 kv substation, passiana is situated 78 km from bus stand of patiala to samana road. The paper is assigned to design a 22066 kv hv gis substation. What is the difference between a substation and a switchyard. Design considerations of the substation and switchyard ii.

The substation is responsible for catering bulk power to various load centres distributed all around through 220 kv and 2 kv substations. Familiarization of 400 kv, 220 kv, 2 kv substation equipment electrical. Also the hard copies as per specification shall be submitted. Presentation on industrial training in 220kv substation ig nagar, jaipur on the topic operation and maintenance of ehv equipment and trannsmission system. Overall view of 220kv switch yard authorstream presentation. An example 110 kv substation is used for test case. Report on industrial summer training on 220 kv substation. Setting procedures are only discussed in a general nature in the material to follow. Pdf preventing flashover near a substation by installing surge. Maintenance and operation of an electrical substation of 220233 kv.