Single line diagram of 11kv substation pdf merge

These single line diagram of 415v db 2202kv substation are an important part that needs to be taken care of in every small and large project. Single line diagram of 11kv substation substation provides the energy supply for the local area in which the line is located. The power from main bus was fed into a 20mva transformer which. Figure 32 shows a typical single line diagram of a. Line diagrams are required to be submitted at prequalification under rule 3. Figure 1 shows the singleline diagram of a typical 6611 kv substation. Jul 20, 2018 owners existing and proposed single line diagram for 3311 kv. 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. Small arrows are plotted on the lines to indicate the direction of real power flow in megawatts. Single line diagram for 33 kv switching substation. Standard for distribution line design underground ergon energy. 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. Nov 14, 2011 key diagram 11kv400v i the 3phase, 3wire 11 kv line is tapped and brought to the gang operating switch installed near the substation.

For kiosks at 11 kv and 22 kv the range is as follows. Operation and commissioning of 3311 kv power substation eep. Switching operators manual distribution switching horizon power. Nov 30, 2011 these single line diagram 33kv substation are an important part that needs to be taken care of in every small and large project. It is designed to interactively model, monitor, and manage electrical networks as well as execute simulation scenarios and analyze their results in a simple and intuitive manner. However, joining or coupling may be permitted provided the strength of the joint or. Above pdf contains two slds of substations 220kv into 400v. The terminal has a typical operating time of 12 ms and very low ct requirements. Diagram electrical substation dwg full project for autocad. A substation is a part of an electrical generation, transmission, and distribution system. T hese feeders come into the substation with 220kv.

Scholar, electrical and electronics engineering department, aisect university bhopal, mp, india. Single line diagram of power supply system the electrical energy is produced at generating stations, and through the transmission network, it is transmitted to the consumers. Section 5 contains the alert summary report generated after load flow analysis. Draw the single line diagram of a 66 11kv substation having the following equipments. The key diagram of this substation can be explained as under. Its emphasis is on communicating the functions of the power equipment and the associated protection and control system. Electrical design of 233kv substation line diagram. Agrawal 1,2,3be student123, department of electrical engineering 4proffessor4, department of electrical engineering kdk college of engineering, nagpur, maharashtra, india abstract transmission. Plan and elevation views of each type of configuration can be found in the appendix.

Extend nget substation at wylfa with a new 2kv feeder bay. A cable fed substation will have a split factor somewhere between 5% and 40% depending on the cable sheaths and earthing configuration where a substation is fed via overhead line and has no metallic return path, all the earth fault current with flow through the. Single line diagram site specific electrical schematics of both the hv. This bulletin is an update and revision of previous rea bulletin 651, design guide for rural substations revised june 1978. Single line diagram of power supply system explanation. Section 6 is the load flow analysis of the substation with an improvement to surmount the problem of under voltage. All rus borrowers rus electric staff effective date.

The utility that owns the substation uses the following loading criteria. Existing and proposed single line diagram for 3311 kv aska s. Design,supply,manufacturing,erection, te 211 kv substation with sas at i. Typical line diagram of distribution circuit showing application of reclosers.

Basic distribution substation figure 1 is a one line diagram for a simple distribution substation. Single line diagram of 3311 kv jampaijala for tender. The single line diagram of the substation is shown in the figure below. Illustrative example of a sample single line diagram gov. In a zoomed out view, one line diagrams only include a small number of highvoltage buses and transmission lines. The layout of the sub station as per the enclosed single line diagram, boundary. Substation provides the energy supply for the local area in which the line is located. Single line diagram of 415v db 2202kv substation in.

Typical bus configurations single bus figure 2 shows the oneline diagram of a single bus substation. Single line schematic for primary substation physics forums. Pdf classification of substation singleline diagrams. The single line diagram makes the system easy and it provides the facilitates reading of the electrical supply and connection. 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. A substation is part of a system and not an entity to itself. A distribution substation is served by two transmission lines, each connected to a 40mva foa transformer. Switch yard is the place where the actual equipment are working properly. The substation of 220kv66kv 11kv has fifteen outgoing feeders, namely.

Drawing labels, details, and other text information extracted from the cad file translated from spanish. Outgoing feeder for feeding the other subsequent substations or switchgear. Design guide for rural substations usda rural development. Commissioning spare parts supply of commissioning spares along with the main equipment, for replacement. Owners existing and proposed single line diagram for 3311 kv. I have checked over the internet for relevant information or. The first step in planning a substation layout is the preparation of a oneline diagram, which shows in simplified. The one line diagram is a userfriendly interface to create and manage the network database used for schematic network visualization. One of the commonly used techniques for transmission system representation is a one line diagram imposed on maps.

Normally, a power system is designed so that the effects of an outage caused by the failure of a single component such as a transformer, transmission line, or distribution line will result in minimal interruption of service and affect the fewest customers possible. Urban and suburban indoor substations may be finished on the outside so as to blend in with other buildings in the area. Single line diagram of 3311 kv jampaijala for tender purpose. It is proposed to install the addition line and transformer bay and forming of incoming feeder bus. Single line diagram 33kv substation helps you to understand the layout of your space and gives you a clear image of the placement of various items. Between the generating stations and the distribution stations, three different levels of voltage transmission, subtransmission and distribution level of voltage are used.

Earthing design of 11kv and 33kv rural substations in the uk. Fig shows the single line diagram of 11kv440v substation dp structure. Section 4 is the load flow analysis of the substation. In the right corner of the image, we can see a sld of 11kv to 400 v step down. Single line diagrams of substations 6611 kv and 110. The design of the electrical system is determined by the characteristics of the wind turbine generators and of the network to which the project is to be connected, as well as regulations imposed upon it, notably through grid codes.

Installation of 11kv440v distribution substation ajinkya lonare1, pravin 2bodadkar, 4shuchiket darunde3, dr. Single line diagram of substations cad design software. Understanding substation single line diagrams and iec. The demand on the utility system is 50 mva and 50% of its load is a 12pulse static power converter load. The goal is to provide an analytical comparison for all options so that one can select the optimum solution considering cost, reliability, maintainability, ease of. The 3phase, 3wire 11 kv line is tapped and brought to the gang operating switch installed near the substation.

These single line diagram 33kv substation are an important part that needs to be taken care of in every small and large project. The connection of the substation is divided as incoming or power feeder connection. Single line diagram 33kv substation in new town, kolkata. To overcome the under voltage at the 11kv, 33kv feeder buses and 2 kv buses capacitor bank of suitable ratings are added. Pdf power flow analysis of 230110 kv substation using etap. Design,supply,manufacturing,erection, te sting and. It is usually of the threepole, singlethrow, groupoperated type. Relatively unobtrusive visual impact and can be colouredpainted to blend in with. Single line mimic diagram for simple and safe operation. The subtransmission circuit enters the substation through a primary disconnect switch used principally to. Rebuild the existing wylfa to caergeiliog single circuit 2kv overhead line with double circuit tower line 16km. Existing and proposed single line diagram for 3311 kv.

How to read substation single line diagram avaxhome. The reliability represents equipment reliance, that is, if the equipment fails frequently then its reliability is low. Location of the surrounding loads in the layout of both the. 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. Basic distribution substation figure 1 is a oneline diagram for a simple distribution substation. Lets explain the main parts of it and how it actually works. Mar 23, 2017 single line diagram of 66 to 11kv substation duration. Therefore it is my sole responsibility to acknowledge them.

The hit plus transformers also combine extremely reduced. Depending on the load being served, it is possible that initial construction may be limited to one distribution circuit. Single line diagram sld the single line diagram sld is the most basic of the set of diagrams that are used to document the electrical functionality of the substation. Substation switching schemes switching scheme of substation this technical article is intended to provide description and comparison of single line options for a desn substation. Oct 09, 2014 single line diagram 33kv 11kv substation in hindi duration. It will conclude with a cost comparison of each configuration. Figure 2 transformer transformer wide range of transformers up to kva. Key diagram 11kv400v indoor substation iiteeeestudents. The following current and former members of the substation subcommittee of the nreca. Abstract the thesis deals with the analysis of construction of power lines and substation switchyard of 3311 kv. The single line diagram of the substation is simulated in etap based upon actual data and it is seen that 2301 10 kv feeder bus there i s under voltage 2. Diagram electrical substation dwg full project for autocad plano electric substation in various views. These single line diagram of 415v db 2202kv substation helps you to understand the layout of your space and gives you a clear image of the placement of various items. Rel 501 line distance protection terminal is used for protection of overhead lines and cables in high impedance or solidly grounded distribution and subtransmission networks.

Install a new grid transformer at caergeiliog 233kv 60 mva. The oneline diagram is a userfriendly interface to create and manage the network database used for schematic network visualization. All controlling such as line current each feeder, line and phase voltage for each feeder are measured by many low tension lt panel and high tension panel ht. Substations drawing nos 5094 for 11kv and 5104 for 22kv will apply. Pdf classification of substation singleline diagrams based. The goal is to provide an analytical comparison for all options so that one can. 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. Providing engineering drawing, data, operational manual, etc for the. Single line diagrams of 220kv66kv11kv transmissiondg.

The skid mounted substation shall be of modular construction housed in a single enclosure consisting of ht control panel with two number load break switch, one number vcb and all other metering and protection, one no 11kv415v dry type transformer and lt distribution board etc. Sep 20, 2015 the project work assigned to us was to 233 kv ehv substation electrical design. Substation standard z732 zone substation operating single. Description understanding single line diagram is first step to understand substation protection systems. Technical guide the mvlv transformer substations abb group. Single line diagram sld importance and applications duration.