Oct 12, 2017 substation design of solar power plant solar parks published on october 12, 2017 october 12, 2017 99 likes 5 comments. Work completed at the time included the construction of the 3311 kvsubstation switchgear facility, guardhouse, fencing, exterior lighting, and installation of two 33kv to 11kv transformers 31500 kva, two auxiliary transformers, neutral grounding system, 11 kv switchgear, and 33 kv switchgear the installation of substation electrical equipment was completed prior to site. Substation design hello all acade gurus, i am a college student and i have been given a project to design a substation single line diagram and plan layout on autocad with predefined specifications busbar schemes, lines, etc. Although electrical clearances may be met, particular care must also be taken at lower voltages 33kv or less to minimise the risk of animals reptiles birds bridging this clearance and causing flashover. Installation of 11kv440v distribution substation ajinkya lonare1, pravin 2bodadkar, 4shuchiket darunde3, dr. Medium voltage products technical guide the mvlv transformer. Established in 2012, the agency comes under the authority of the department of power. Because of the sf6 gas in the sealed tank, so the gas insulated substation components work in stable condition, it will be much less fault than the airinsulated substation. Agrawal 1,2,3be student123, department of electrical engineering 4proffessor4, department of electrical engineering kdk college of engineering, nagpur, maharashtra, india abstract transmission.
Technical specification construction of 3311 kv primary substations. The substation and its components shall be mounted on a galvanised steel plinth. Tender document for construction of 233kv substation on turnkey basis for supply, transportation, erection, commissioning and civil work tender no 1435233 kv vol. Regional development plan page 2 of 38 document history version date revision class originator section update details 1. Earthing design of 11kv and 33kv rural substations in the uk. Abstract the thesis deals with the analysis of construction of power lines and substation switchyard of 3311 kv. There must be provision for 2 additional 11 kv outgoing feeder for load enhancements in future. We considered incoming power at 2 kv and the power was transferred to main bus through isolatorinternational journal of applied engineering research issn 09734562 volume, number 11 2018 pp. The fence is connected to a separate grounding conductor. This content and associated text is in no way sponsored by or affiliated with any company, organization, or realworld good that it may purport to portray. Soil resistivity values can be assumed or dont matter.
Substations high level design criteria guideline current version. Distribution voltages are typically medium voltage, between 2. B substation standards typical power circuit breaker wiring diagram sh 2 of 3 70. Kenya power transmission system improvement project. The aim of this project is to provide the consultancy service to doctor harisingh gour vishwavidyalaya, sagar mp for substation design, feeder up to 11 kv and estimation of cost. The software must allow for the creation of new diagrams and the system must be able to create new scl files for any new or modified diagram. Design study for 3311 kv substation, distribution and protection in the city of kenya. Perunad substation inaugurated by minister aryadan muhammed. Indoor built into a small building which may look like a garage, or as part of a bigger building. City of london 33kv network all of the cost numbers displayed in this document are before the application of ongoing efficiencies and real price effects. Areas outside the substation do not need to be considered. The protection arrangements for the different voltage system for sas of gsss should be as envisaged. Standard item 1 iec60056 is 118 iec 62271 1 circuit breaker 2 iec 62271 100,200. Distribution substation a distribution substation transfers power from the transmission system to the distribution system of an area.
The substation would be a combination of switching, controlling, and voltage stepdown equipment arranged to reduce subtransmission voltage to primary distribution voltage for residential, commercial, and industrial loads. Control room for 33kv switching sub station 70 fig 9. Schematic diagram of rela with circuit breaker 72 fig 9. What is the criteria for selection of 33kv11kv or 66kv11kv.
The project work assigned to us was to design a 233 kv ehv substation. In phasei, a study of existing network and availability of space for the substation and lines up to 11 kv of the campus is to be carried out. Other requirements of the substation electrical system 56 10. Conceptual primary design drawings of 155 33kv offshore windfarm substation. This report addresses the proposed design of the eskom side of the sirius 233kv substation. Package substations up to 3150kva, 36kv the international. Load in 3d viewer uploaded by anonymous the cad files and renderings posted to this website are created, uploaded and managed by thirdparty community members. The substation switchyard configuration is provided in attached single line diagrams. The substation rating is defined as per the power handling capacity, location and purpose of substation. Sirius substation preliminary design report rev0 july 2015. Design parameters and standard layout of a 3311 kv substation. The rec standard mentions that an outdoor type 3311 kv substation should have 2 power transformers and 3 outgoing feeders.
No 1 general design criteria 1 2 civil work 3 33kv gis 42 4 11kv autoswitched capacitor bank 72 5 structural work 84 6 outdoor switchyard material 91 7 battery chargers 103 8 ni cd battery bank 110. Mark dunk primary substation design uk power networks. I was responsible for making a 33kv outdoor electrical substation for my factory. Iec 61850 substation viewer washington state university.
Now the transmission line first parallel connected with lightning arrester to diverge surge, followed by cvt connected parallel. Pole mounted substation is the outdoor type cheapest form of substation for voltages not exceeding 33kv in which the equipments are installed overhead on hpole or 4pole structure and electric power is almost distributed in localities through such substation. The need for future increases in capacity is to be catered for by upgrading existing substations. For fulfilling these huge power demands the modern time requires creation of bigger and bigger power generating stations. Design study for 3311 kv substation, distribution and. The tiepco package substation conforms to the latest iec standard and is designed and manufactured utilizing the in house expertise and state of the art technology, fully taking into account the present and future power system requirement of its clients. This is the one type of substation which can sometimes give markedly raised magnetic fields beyond its own confines. The fiji electricity authority the employer invites sealed bids from reputable companies for the supply and installation of two 2 x 1518mva 33kv11kv power transformers complete with design and construction of civil works for 2 transformer pads, fire wall, oil separator pit and road works at sawani substation. Technical specification for design, supply, installation. Kenya power transmission system improvement project lot 3233 kv substations and switching stations volume 2 section vi employers requirements. Owners supply materials osm 3311 kv power transformers, station 330. 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 substation.
Eds 080150 london 33kv distribution network design and. The neutral earthing resistors on the 11kv and 33kv limit fault levels so secondary substations will not be classed as hot. 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. Fixed contact is taken out for to maintenance 84 table page table 5. May 15, 2018 electrical substation now days the electrical power demand is increasing very rapidly. The complete package substation with all components fittedshall be suitable to be transported by a standard rta approved vehicle without the need for special permits. Depending upon the availability of resources these stations are constructed. Nonsecurity item tender document for construction of 233kv substation on turnkey basis for supply, transportation, erection, commissioning and civil work tender no. Details of substations under transmission wing as on 30.
In the first instance 233kv substation assets in the vicinity of the 33kv network in london shall be utilised to provide the required 33kv connections. An electrical substation is a combination of a number of major electrical equipments like power transformers, circuit breakers, instruments transformers, bus bars, lightning arresters, control panels, interconnecting cables, capacitor banks, battery set, and other related equipments designed as per the requirements, size, capacity and class of the substation. The number of 33 kv incoming feeder may be one or two depending upon the requirement. Conceptual primary design drawings of 400kv gis and ais equipment, 2kv demolition drawings in stages. The eskom side of the sirius substation will consist of two fully equipped 2kv line feeder bays and one. A report on trip to undi 220233kv grid substation bhimavaram 08. Technical specification for 3311kv itpo grid substation in new delhi index s. If normal dno practice is followed the design will be ok. Single line diagram of 11kv substation substation provides the energy supply for the local area in which the line is located.
A substation standards control cable color code identification 68. These power generating stations may be hydroelectric, thermal or atomic. Distribution substation manual section 9 33kv substation arrangements 9 33kv substation arrangements index of drawings drawing number drawing title dsm901 district substation 33kv 315500kva ips non fire rated. All rus borrowers rus electric staff effective date. Chapter 7 33 kv switching substation, savar of dpbs1 7. In this post, i will discuss all the electrical equipment that we practically used in our outdoor electrical substation first of all our demand load form, the government grid line was 3mw and there was a guideline for making this substation like transformer must be installed at the outdoor, well. Supply in the package materials have been classified as under i. Hello all acade gurus, i am a college student and i have been given a project to design a substation single line diagram and plan layout on autocad with predefined specifications busbar schemes, lines, etc i am new to autocad and i have few questions about it.
Once at site the substation shall be suitable to be lifted by a crane off the truck and placed on. Conceptual primary design drawings of 15533kv offshore windfarm substation. Existing and proposed single line diagram for 3311 kv. Example of 3311 kv substation onsite assessment report eep. This bulletin is an update and revision of previous rea bulletin 651, design guide for rural substations revised june 1978. The second symbol is almost a match for the symbol show in the pdf. B substation standards typical power circuit breaker wiring diagram sh 1 of 3 69. So the gis gas insulated substation is the best choice for the projects which is small space of compact design. Substation dar engineering is the leading and prime design and engineering consultant in saudi arabia and utilizes technical excellence and expertise for design, development, and maintenance of power networks ranging from 33kv systems to extra high voltage ehv 380 kv systems. Appendix c table of contents substation drawings singer substation drawing no. Sets 2 7 supply of 33 kv bus section isolator 1250a as per scope of works, technical specification and gtp. Substation design manual i reference ni000401r121 ver 2 ergon energy corporation limited abn 50 087 646 062 ergon energy queensland pty ltd abn 11 121 177 802 revision history version description of change approval date revised by 1 initial version 250320 draft 2a content revised and additional content added. Electrical power substation engineering and layout electrical4u.
Lot 3233 kv substations and switching stations volume 2 section vi employers requirements. Technical specification construction of 3311 kv primary. Whilst standardisation of civil design aspects is preferable, it is accepted that each project is specific. Scholar, electrical and electronics engineering department, aisect university bhopal, mp, india. Economical voltage rating has been categorised for different power range to be received thumb rule.
Fiji electricity authority pacific power association. Mar 28, 2016 alook at a local substation wich steps down 33kv to 11kv. Detailed investigation of substation and preparation of boq to be done by the. The substations are equipped with iec61850 compliant numerical protection relays.
The substation viewer project proposed a software application that must decipher xml formatted scl files containing substation designs and create an editable one line diagram. The main bus 33kv is connected to grid located at sector25, indiranagar, lucknow. Technical specification construction of 3311 kv primary sub. The input for a distribution substation is typically at least two transmission or subtransmission lines.
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