132 11kv substation layout pdf

The design of the entire substation was made keeping in mind the most basic requirements of a proper substation including the civil and domestic requirements. The new substation will receive power from a higher capacity 2 kv transmission line with greater reliability than the existing 33 kv subtransmission line. Similarly near the consumers localities, the voltage may have to be stepped down to utilization level. A cable fed substation will have a split factor somewhere between 5% and 40% depending on the cable. Mark dunk primary substation design uk power networks.

Load flow analysis of 2 11 kv distribution sub station using static var compensator for voltage enhancement a case study article pdf available november 2009 with 1,817 reads how we. Western will require 40 calendar days to answer correspondence pertaining to each submittal of data or drawings. Pdf irjetdesign analysis of 2202 kv substation using. Scholar, electrical and electronics engineering department, aisect university bhopal, mp, india. What is the criteria for selection of 33kv11kv or 66kv. Sep 20, 2015 the project work assigned to us was to 2 33 kv ehv substation electrical design. Design of 6611kv, 20mva substation before the ratings of various items of equipments in a substation are chosen and their locations in the substation decided it is necessary to draw a single line diagram, also called key diagram. There are two main constraints in this area which have prevented the substation being positioned any closer to the existing site. Design study for new 23311 kv power substation in kingdom of nepal. Secondary substations receive power at 6633kv which is stepped down usually to 11kv. Aug 05, 2017 2 33kv substation training, 3311 kv substation working in hindi 2 33kv substation training, tour,transformers,control panel 2202kv substation explained in hindi. Pdf load flow analysis of 2 11 kv distribution sub station using. Jun 20, 2018 single line diagram33kv11kv substation this is the easy way to understand the working of substation.

Electrical power system provides a vital service to the society. Etap based upon actual data, and it is seen that at the 11kv. The difference between the ground potential rise and the surface potential at the point where the person is standing while at the same time having a hand in contact. Analysis of 3311kv rsu injection substation for improved. The ergon energy design philosophy is to provide substations. Supply in the package materials have been classified as under i. An electrical substation is a subsidiary station of a transmission and distribution system where voltage is transformed from high to low using transformers. The station will have a stepdown transformer of 11 kv to 440 volts 3 phase. Electrical design of 233kv substation line diagram. Technical specification construction of 3311 kv primary sub. Nonsecurity item tender document for construction of 233kv substation on turnkey basis for supply, transportation, erection. 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. Electric power may flow through several substations. A design layout of 233 kv, 200 mw substation the substation is connected with three substations or load viz.

Since this original request plan is to increase the reliability of power supply suitable for increasing electricity demand by separating the load supplied by the existing 33 11kv substation, a new 2 11kv substation is planned to be constructed in kawasoti area being fed from 2 kv transmission line. Technical specification construction of 3311 kv primary substations. Hence great care has to be taken to select the layout and. Existing and proposed single line diagram for 3311 kv. With your download, get the 23 best papers relevant to this one, including 17 top related papers.

What is the minimum area required for constructing an 11kv. What is the criteria for selection of 33kv11kv or 66kv11kv. Key diagram 11kv400v indoor substation iiteeeestudents. This research paper deals with the simulation of 2 33 11kv substation. Installation of 11kv440v distribution substation ajinkya lonare1, pravin 2bodadkar, 4shuchiket darunde3, dr. The existing substation was constructed in 1958 when the hydro station was commissioned.

Sep 20, 2015 the project work assigned to us was to 233 kv ehv substation electrical design. The input for a distribution substation is typically at least two transmission or subtransmission lines. Problems can arise as the sites are fed entirely, or in part, by overhead line this provides no return path for the fault current which is instead injected into the ground. Under the project, a new 23311 kv kawasoti substation will be. Under the project, a new 23311 kv kawasoti substation will be constructed with a transformer of 2 33 kv, 30 mva. The substation rating is defined as per the power handling capacity, location and purpose of substation. The project work assigned to us was to design a 2 33 kv ehv substation.

Whenever light surges occur then, a highvoltage pass through these electrical components causing. Design,supply,manufacturing,erection, te 2 11 kv substation with sas at i. For the design of electrical equipment for the realization of stable power. Lochay 211kv transformer replacement faqs why is the proposed site not nearer the existing site and so close to the main roads in glen lochay. Lochay 211kv transformer replacement faqs who are scottish and southern. We considered incoming power at 2 kv and the power was transferred to main bus through isolatorcircuit breakerisolator combination. Secondary distribution feeders sdf voltage is 11kv to various consumers on point load and consumers down the street and roads through overhead lines and underground cables.

I assume an average suburban station of 5 mw of 11 kv substation. Agrawal 1,2,3be student123, department of electrical engineering 4proffessor4. 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. To overcome the under voltage at the 11kv, 33kv feeder buses and 2 kv buses capacitor bank of suitable ratings are added. They step down the ehv to hv as per the requirement of the customers. Design study for new 23311 kv power substation in kingdom. Abstract the thesis deals with the analysis of construction of power lines and substation switchyard of 3311 kv. Whilst standardisation of civil design aspects is preferable, it is accepted that each project is specific. Secondary distribution feeders sdf voltage is 11kv to. Substation provides the energy supply for the local. The single line diagram of the substation is simulated in etap based upon actual data, and it is seen that at the 11kv, 33kv feeder buses and 2 kv buses there is under voltage. Small rural 11kv and 33kv substations can often be problematic to earth safely. The input for a distribution substation is typically at least two. Distribution voltages are typically medium voltage, between 2.

Compliance with all technical requirements all energize elements comply with the required clearances clearances verify compliance with the last requirements of the national electrical safety code or prepa diseno subw\copy of svc subst profile 2. At a sub station, the level of secondary transmission voltage 2kv, 66 or 33 kv reduced to 11kv. Extension to substation site, drainage, elevations, and setting out for. Abbs largest indoor 2 kv substation spanning the full product ownership life cycle, abbs experienced multidisciplinary team of engineers and technicians is qualified and accredited to work on trackside installation, commissioning and maintenance projects.

Design study for new 23311 kv power substation in kingdom of. Tender document for construction of 233kv substation on turnkey basis for supply, transportation, erection, commissioning and civil work tender no. Substation design volume ii physical layout instructor. Extension of double 2kv busbar with buscoupler, 2 x new 2kv line bays with single pole tripping with additional space for 6. Load flow analysis of 2 11 kv distribution sub station using static var. Design,supply,manufacturing,erection, te sting and. Introduction sub stations are important link between generating stations and distribution networks. Lochay 211kv transformer replacement our proposed solution our chosen site for the replacement and relocation of the two transformers and terminal tower is adjacent to the existing lochay power. We considered incoming power at 2 kv and the power was transferred to main bus through isolatorcircuit breakerisolator. Jun 24, 2017 the substation size depends on the capacity of the sub station like 2 mw, 5 mw 10 mw etc.

Economical voltage rating has been categorised for different power range to be received thumb rule. Owners supply materials osm 3311 kv power transformers, station 330. 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 key diagram of this substation can be explained as under. The single line diagram of the substation is simulated in. The substation equipments such as conductors, transformers, etc. Pdf load flow analysis of 2 11 kv distribution sub. Freehand sketches or skewed scans will not be accepted. Distribution substation a distribution substation transfers power from the transmission system to the distribution system of an area. The 3phase, 3wire 11 kv line is tapped and brought to the gang operating switch installed near the substation. This job is again accomplished by suitable apparatus called substation. Design parameters and standard layout of a 3311 kv substation. Key diagram of substation key diagram of 11kv400v indoor.

The main function of the substation is to collect the energy transmitted at high. The single line diagram sld in figure 1 shows the khimtikathmandu. What is the minimum area required for constructing an 11. The difference between the ground potential rise and the surface potential at the point where the person is standing while at the same time having a hand in contact with a grounded structure. Abbs largest indoor 2 kv substation spanning the full product ownership life cycle, abbs experienced multidisciplinary team of engineers and technicians is qualified and accredited to work on trackside. Single line diagram 33kv11kv substation in hindi youtube. Starting from the generating stations to the end users, voltage is needed to be stepped up and down several times in various substations.

Design of 6611kv, 20mva substation before the ratings of various items of equipments in a substation are chosen and their locations in the substation decided it is necessary to draw a single. Pdf in the operation and design planning for the power system, the. The project work assigned to us was to design a 233 kv ehv substation. The power from main bus was fed into a 20mva transformer which. 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. Jul 28, 20 these are also referred to ehv substations.

Economical voltage rating has been categorised for different power range to be received thumb. Pdf maintenance and operation of an electrical substation. 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. Electric power may flow through several substations between generating plant and consumer, and may be changed in voltage in several steps. Design,supply,manufacturing,erection, te 211 kv substation with sas at i. The substation scope is identical to barhabise 220211 kv substation as above. 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. The substation in bhinmal, jalore343029, rajasthan is one of. Agrawal 1,2,3be student123, department of electrical engineering 4proffessor4, department of electrical engineering kdk college of engineering, nagpur, maharashtra, india abstract transmission. Single line diagram of 11kv substation substation provides the energy supply for the local area in which the line is located. The problem with substation upgrades on existing general arrangement designs is the cost involved to upgrade the 66 kv substations to 2 kv. The single line diagram makes the system easy and it provides the facilitates reading of the electrical supply. Pdf in a power system, load varies from one hour to another, reactive power varies.

For healthy operation of electrical power generation, transmission and distribution, it is important that system should be balanced. Also, we have carried short circuit study of 2 3311 kv substation system using etap software. Primary distribution feeders pdf voltage is 33kv primary distribution voltage to various injection substations for further distribution in nigeria. 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. Stability of the system, reliability of power depends on the type of layout chosen and components used in the sub stations. The analysis is done by using advance software electrical transient analyser program etap with detailed load flow analysis. During substation upgrades continuity of supply to. Maintenance and operation of an electrical substation of. A mini project report on operation and maintenance of 2202kv substation submitted in.

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