220 kv substation layout pdf

Numbers of breakers, disconnect switches, transformers, auxiliaries, protective devices, lines and other equipment. Getco, the state transmission company of gujarat is the customer. The substation is responsible for catering bulk power to various load centres. Distribution substation a distribution substation transfers power from the transmission system to the distribution system of an area. The subtransmission is at medium high voltage such as 33 kv, 11 kv ac. Abstract the paper is assigned to design a 22066 kv hv gis sub station. This is a 220 66 kv large green field substation project based on hybrid gis technology with 3x100mva transformers. The analysis is done by using advance software electrical transient analyzer program etap with detailed short circuit analysis. Power systems division technical specification itabb ss 10 0046 rev 00 pag.

The transmission line will pass through maasai pastoral land which is mainly used for grazing. Section 3 is the simulation of single line diagram of 220 kv substation in etap based upon practical data. Pgcil, new delhi 400220 kv gis substation with central. 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. 5 kv to 245 kv the choice of high voltage switchgear technology is. Aug 22, 2016 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. Single line diagrams of 220kv66kv11kv transmissiondg. Key diagram of substation key diagram of 11kv400v indoor.

Different layouts for substation radial, tapped, lilo. Siemens will select the solution that best meets your specifications and system requirements. Report on industrial summer training on 220 kv substation. On the other hand there is no clear cost advantage for either technology if complete substation cost is considered. The double arrow in the graph designates the flow of information in the upper and lower directions, where the number on the left of designates that the downstream information flows of the label, and the number on the right of designates that the upstream information flows of the. Substation layout substation layout single line diagram check. This substation is constructed using steel lattice structures to support strain bus wires and apparatus.

Siemens engineers can perform all studies needed for the construction of a highvoltage substation, including earthing, shortcircuit, thermal, and mechanical calculations. Epc of high voltage 4002202 kv substations, transmission. The svc also controls the two mscs, each rated at 220 kv, 25 mvar and located at the juna downs substation. T hese feeders come into the substation with 220kv. 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. The key diagram of this sub station can be explained as under. Distribution substations michigan technological university. The substation is the part of an electrical supply system which transmits the high voltage from the generating substations to the local distribution networks. Distances between equipment 220 kv outdoor substation layout. Distribution voltages are typically medium voltage, between 2. All the data used for analysis is real time and collected from 2202 kv. Between the generation and distribution, the voltage may vary through several substations.

Svc for voltage support of a 220 kv grid feeding mining. The substation is responsible for catering bulk power to various load centres distributed all around through 220 kv and 2 kv substations. This is a 22066 kv large green field substation project based on hybrid gis technology with 3x100mva transformers. A 50 hz electrical substation in melbourne, australia. No description of technical parameter unit data 1 nominal system voltage kv rms 33kv 2 maximum system voltage kv rms 36. In those design where bus bar is continuous, provision is to be made available for isolation of individual bay without disturbing adjacent bay. A 220 kv new generation smart substation status monitoring information flow chart. Presentation on industrial training in 220kv substation ig nagar, jaipur on the topic operation and maintenance of ehv equipment and trannsmission system. The project was successfully executed on time despite short execution schedule.

Doc training report on 220 to 2kv substation ankita. This is showing three of the five 220 kv 66 kv transformers, as well as highvoltage transformer fire barriers, each with a capacity of 150 mva. In india generating voltage is 11 kv mostly, but 6. Substation equipment an overview sciencedirect topics. For 220 kv class enclosure it shall be single or phase wise separate metallic type. Jan 31, 2020 400 220 2 kv substation layout 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. The 220 kv gis switchgear shall be of double bus bar design having phase wise separate or threephase common single enclosure. Svc for voltage support of a 220 kv grid feeding mining loads. Ge provides a full range of gasinsulated substations gis for utilities and industries worldwide. Section 4 is the load flow analysis of the substation. A distribution substation transfers power from the transmission system to the distribution system of an area. Supporting documents in favour of all the above mentioned requirement shall have to be. The long distance transmission is generally at extra high voltages such as 2 kv, 220 kv, 400 kv ac. The station layout and equipment rating shall be based on the single line diagram and general layout enclosed.

Single line diagram of 11kv substation substation provides the energy supply for the local area in which the line is located. 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. Hello, i need information about how to calculate the minimum distances between current transformers, voltage transformers, surge arresters, power transformers and circuit breakers in outdoor 220 kv substations. 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 power from gis was fed into two 100 mva transformer which stepped the voltage down to 66 kv. Download as pdf, 400200 kv substation 400200 kv substation design scribd 400200 kv substation design free download as pdf file graph of sp. Apr, 2017 industrial summer training on 220 kv substation ppt 1. With gis experience spanning 50 years across a wide range of industries and applications, ge is a leader in the.

D12ee68 has succesfully completed his report on visit at kherva 66 kv substation. The incoming voltage level for this substation is 220kv. In dg 01a, we used i bus bar 220 kv double bus bar, 66 kv double bus bar, 11 kv bus, ii incoming 2 x incoming 220 kv, 5 x outgoing 66 kv, 1 x outgoing 11kv. Basic of 400kv substation design scribd basic of 400kv substation design. Pdf single line diagram of substations pankaj choudhary. Technical specification construction of 3311 kv primary sub. Shah contents introduction about substation layout of 66kv kherva substation equipments of substation detail description of substation equipments conclusion of visit introduction. Short circuit and current capacity of equipment, bus and other equipment compliance with projects scope and requirements number of feeders and load circuits. The most important of any substation is the grounding earthing system of the instruments, transformers etc. The portfolio includes gis solutions from 60 to 800 kv, along with secondary products to maximize switchgear and network operation. It considered incoming power at 220 kv and the power was transferred to main bus through isolator circuit breaker combination in gas insulated substation. Summer training report on 220 kv substation essay 8579 words. Industrial summer training on 220 kv substation ppt.

An ac substation has generally 2 or 3 main voltage levels. Distances between equipment radug electrical op 6 jun 11 07. The 3phase, 3wire 11 kv line is tapped and brought to the gang operating switch installed near the sub station. The choice of incoming and outgoing voltages of substations is decided by the rated. The input for a distribution substation is typically at least two transmission or subtransmission lines. 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 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. The substation of 220kv66kv 11kv has fifteen outgoing feeders, namely.