400 220 kv substation pdf

The current system takes input at 400 kv and steps it down to 220 kv before transmitting it to the haryana distribution substation. The substation is responsible for catering bulk power to various load centres distributed all around through 220 kv and 2 kv substations. The subtransmission is at medium high voltage such as 33. Why in transmission substations 400kv is not directly. Download as pdf, 400200 kv substation 400200 kv substation design scribd. Rev 00 nitrogen injection fire prevention system section 1, page 2 of 7 further the qualified manufacturer should also have type tested the equipments. This oneline sketch of a 3phase system shows a simple con. The long distance transmission is generally at extra high voltages such as 2 kv, 220 kv, 400 kv ac. Owing to the ambitious capacity addition plans of the 12th five year plan, it has been decided to upgrade the existing transmission facilities. A 50 hz electrical substation in melbourne, australia. The main function of the substation is to collect the energy transmitted at high voltage from the generating station and then reduce the voltage to an appropriate value for local distribution and gives facilities for switching. Khimtibarhabiselapsiphedi 400 kv substation project.

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. Substation 400kv barhabise gis substation 400kv lapsiphedi gis substation amendment, chapter1 psr, cl. This policy considers the galway busbar to be a single busbar and the shellybanks busbar to be a double busbar. As an example, at arambag 400220233 kv substations, at present 3 nos. The project scope includes extension of existing bhel supplied substation thereby adding 5 nos. The subtransmission is at medium high voltage such as 33 kv, 11 kv ac. The 220 kv gis switchgear shall be of double bus bar design having phase wise separate or. Pdf familiarization of 400 kv, 220 kv, 2 kv substation. Single line diagram of 11kv substation substation provides the energy supply for the local area in which the line is located.

Technical information on projects of common interest european. The transformer steps down the voltage to 400 v, 3phase, 4wire. Energy audit of a 400220 kv substation a case study request pdf. Sitamarhi substation shall be constructed along with associated 400 kv transmission line in an area of about 36 acres land at village parmanandpur, distt sitamarhi in north bihar. Familiarization of 400 kv, 220 kv, 2 kv substation equipment electrical engineering.

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. Details of substations under transmission wing as on 30. Foundation stone for 4002202 kv powergrid sitamarhi. Main 2, for the 400 kv and 220 kv lines as well as the 400220kv transformers, are placed inside the control building. The input for a distribution substation is typically at least two transmission or subtransmission lines. The microscada humansysteminterfaces hsis support secure station. The project is implemented in compliance with the obligations set forth by the project coordination agreement on the interconnection between the electric power systems of italy and montenegro, so that the 110 kv. Report on industrial summer training on 220 kv substation 1. This substation is constructed using steel lattice structures to support strain bus wires and apparatus. Pgcil, new delhi 400220 kv gis substation with central. The system parameters for 765kv, 400kv, 220kv, 2kv and 33kv are given in schedule 1. The choice of incoming and outgoing voltages of substations. The whole substation is divided into three part 400kv,220kv and 33 kv and a common control room is used 5 6.

Substation design services 4002202kv gis substation. Rehabilitation action plan for 400220 kv substation at solapur. The project of construction of ss 40011035 kv lastva includes the construction of 2x300 mva substation and extension of the existing substation 400220110 kv pljevlja 2. The cooling systems of transformers are 315mva transformer automatically controlled.

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. In sum, the rehabilitation and reinforcement plan consists of. Energy audit of a 400220 kv substation a case study. Once the temperature reaches 70 c, the cooling system starts and as. Project area 400200 kv substation at solapur 4 project districtsolapur 4. Distribution substation a distribution substation transfers power from the transmission system to the distribution system of an area. In the first part of the paper, the experimental field measurement results from a recently rehabilitated 400220 kv substation belonging to the romanian transport. Policy statement on busbar configuration for 110 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. The analysis is done by using advance software electrical transient analyzer program etap with detailed short circuit analysis. Pgcil, bhatapara, chhattisgarh 400220kv substation with. Urukundu and pradeep m nirgude central power resarch institute ultra high voltage research laboratory, hyderabad, india email. Key diagram 11kv400v indoor substation iiteeeestudents. A 630 mva, 400220 kv substation was identified and a detailed study was carried out to assess the various station performance parameters under different operating conditions.

This is showing three of the five 220 kv66 kv transformers, as well as highvoltage transformer fire barriers, each with a capacity of 150 mva. 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 substation will be completed in two years and will supply power to sitamarhi, darbhanga, madhubani, east champaran, west champaran and sheohar districts of bihar. Baseline socioeconomic survey and preparation of rap for 400220 kv solapur sub station march 2007. An ac substation has generally 2 or 3 main voltage levels. Summer training report on familiarization of 400 kv, 220 kv, 2 kv substation equipment venue 400220233 kv kukurmara grid substation. The choice of incoming and outgoing voltages of substations is decided by the rated. The sas570 redundant station automation solution operates in hotstandby mode warranting optimal availability. The circuit breakers of 145 kv to 420 kv class shall be outdoor type sf6 and 36 kv class shall be. Now a 400kv transmission line tower could be more or less something like this. The gis substation at magarwada is basically a connector between two grids of 400 kv and 220 kv through inter connecting transformersict. Distribution voltages are typically medium voltage, between 2. Pdf industrial training report on 400220kv substation.