What is the difference between a substation and a switchyard. Search cloud 33 11kv substation design pdf important. Pdf maintenance and operation of an electrical substation. The porcelain should be homogeneous and free from all cavities and flaws. Report on industrial summer training on 220 kv substation. Use custom search function to get better results from our thousands of pages use for compulsory search eg.
Chapter8 switchyard equipment hv bus bars, switchyard. The choice of incoming and outgoing voltages of substations is decided by the rated voltages and rated power of corresponding lines. Feb, 2018 220kv switch yard and equipment installed in a 220kv receiving substation. Pdf power system has dynamic behavior as it faces various disturbances like sudden change in load, sudden change in generation and. Single line diagram of 220233 kv gss khagaul authorized signatory legend 2kv main bus 33kv main bus 2kv transfer bus 33kv transfer bus 3 3 k v n e o r a 3 3 k v k h a g a u lu 1 3 3 k v k h a u lu 2 a b a n d o n e d b a y a i i m s k1 a i m s2 3 3 k k h a g a u l 3 v h a4 3 3 k v b u s c o p l e r 3 3 k v d a n a p ri 1 3 3 k.
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. The 220 kv gis switchgear shall be of double bus bar design having phase wise separate or threephase common single enclosure. Distribution voltages are typically medium voltage, between 2. A substation is a part of an electrical generation, transmission, and distribution system. This oneline sketch of a 3phase system shows a simple con. Training report on 4002202 kv switchyard in india design and engineering. Circuit breaker shall be provided with antipumping and trip free features and shall be remote controlled from control room with provision for local and manual. Ppl eu 230 kv or 500 kv switchyard w interconnection to ipp facility functional oneline diagram or. 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. Getco, the state transmission company of gujarat is the customer. Long distance and high power transmission lines are at higher voltages.
The scope also covers provision of additional bays without equipments over. Scribd is the worlds largest social reading and publishing site. 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. Series capacitor to reinforce a 220 kv interconnector in. 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. This is a 22066 kv large green field substation project based on hybrid gis technology with 3x100mva transformers. Ii transfer bus with twin moose ii 220 kv cbs, isolators, cts, pts, cvts, wave traps, las, pis for 220 kv feeder bays 02 nos.
Analysis and measurement of electric field exposure inside 500220 kv air insulated substation article pdf available in journal of electrical engineering 122. General overview 220kv switchyard ca mau 1 750mw ccpp 2. Point of interconnection pole only one shown line insulators. Eu owned switchyard ppl eu 230 kv or 500 kv switchyard w interconnection to ipp facility functional oneline diagram or. Presentation on industrial training in 220kv substation ig nagar, jaipur on the topic operation and maintenance of ehv equipment and trannsmission system. The current transformers and accessories covered by this specification shall comply with the. Dec 11, 2017 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. This project overall view of 220kv switch yard in dr. Power plant 220 kv portion 2 x 165 mw and used in many station where parallel outgoing feeders are. Nttps is constructed in such a way that every one understand about the construction and working of 220 kv switch yards and its equipments.
The balance 8 bays in 220kv system commissioned during 197983. Design of substation lighting in dialux software replacing conventional lights with led flood light in a switchyard sharma ajay g1 deepa karvat2 1 pg student 2asst. A mini project report on operation and maintenance of 220 2kv substation submitted in partial fulfillment for the award of the degree of bachelor of technology in electrical and electronics engineering submitted by v. Removal of 220 kv ocb approx wt 34 mt was challenging. The incoming voltage level for this substation is 220kv. Basic of 400kv substation design scribd basic of 400kv substation design. This is a 220 66 kv large green field substation project based on hybrid gis technology with 3x100mva transformers. Power evacuation, main single line diagram, grid interconnection. It considered incoming power at 220 kv and the power was transferred to main bus through isolator circuit. The grid 220 kv substation, passiana is situated 78 km from bus stand of.
The substation of 220kv66kv 11kv has fifteen outgoing feeders, namely. Power evacuation, main single line diagram, grid interconnection and switchyard layout up to 245 kv 9. Power plant 220 kv portion 2 x 165 mw and used in many station where parallel. Training report on 400 220 2 kv switchyard in india design and engineering. Pdf analysis and measurement of electric field exposure. 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. It is designed as a double bus single breaker configuration with five bays. Transient analysis of 220kv distribution substation.
The substation is responsible for catering bulk power to various load centres distributed all around through 220 kv and 2 kv substations. Download as pdf, 400200 kv substation 400200 kv substation design scribd 400200 kv substation design free download as pdf file graph of sp. Distribution substations michigan technological university. The system parameters for 765kv, 400kv, 220kv, 2kv and 33kv are given. Pdf the high level electric field intensity produced by high voltage. Single line diagram of simulated 500220kv ais substation, cairo 500 substation. Abstract the paper is assigned to design a 220 66 kv hv gis substation. Wbseb, bishnupur 220233 kv substation state transmission.
The study of 220kv power substation equipment details eep. The nepra has imposed a fine of rs5 million on a government owned generation company ms central power generation company limited gencoii on account of negligence in maintenance of 220 kv switchyard of tps guddu old and nonoperation of 220 kv circuit breaker which resulted in power breakdown on january 21, 2016 in northern network of country i. 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. It considered incoming power at 220 kv and the power was transferred to main bus through isolator circuit breaker combination in gas insulated substation. Electrical clearance in substation electrical notes. This switchyard is heart of the orissa grid for which state load dispatch center sldc was. Design of substation lighting in dialux software replacing. From the 220 kv bus two 220 kv single circuit lines are drawn at 90% loading to supply power to 220kv substations band c working at a diversity factor of 1. Pdf assessment of electric field distribution inside 500220 kv. Between the generating station and consumer, electric power may flow through several substations at different voltage levels. On the other hand there is no clear cost advantage for either technology if complete substation cost is considered. Insulators switchyard structures, isolating switches current and voltage. 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. The input for a distribution substation is typically at least two transmission or subtransmission lines.
Please note that the evaluation will be carried out on the strength of content of bid. Substations transform voltage from high to low, or the reverse, or perform any of several other important functions. The project was successfully executed on time despite short execution schedule. Substation an electrical substation is a subsidiary station of an electricity generation, transmission and distribution system where voltage is transformed high to low or reverse using transformer. Besides changing the voltage, the job of the distribution substation is to isolate faults in. Single line diagram of 220 233 kv gss madhepura authorized signatory bus coupler bay 1 purnea 1 bay 2 purnea 2 bay 3 atr 1 bay 4 future bay 5 bus transfer bay 6 atr 2 bay 7 2202kv, 100 mva auto transformer atr2 2202kv, 100 mva auto transformer atr1 future bay 1 atr 1 20 kv bay 2 tr 233kv ay 3 bus transfer bay 4 tr. Training report on 4002202 kv switchyard in india design. With your download, get the 23 best papers relevant to this one, including 17 top related papers. Distribution substation a distribution substation transfers power from the transmission system to the distribution system of an area. Turnkey 400 kv 220 kv greenfield substation with 5 bays at 400 kv and 7 bays at 220 kv with 2 nos. Report on industrial summer training on 220 kv substation 1.
Overhead busbar design for 22066 kv gis substation prakruti shah1 and hetal desai2 1,2assistant professor, electrical engg department, navrachana university abstract the paper is assigned to design a 22066 kv hv gis substation. The 220 kv gis switchgear shall be of double bus bar design having phase wise separate or. Interconnection and switchyard layout up to 245 kv. The subtransmission is at medium high voltage such as 33 kv, 11 kv ac. Apr 06, 2011 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. Turnkey 220 23311kv kv greenfield substation with 8 bays at 220kv, bays at 2kv and 11 bays at 33kv with 2 nos.