Type of tender single stage three packet, ncb tender cost rs. This bulletin is an update and revision of previous rea bulletin 651, design guide for rural substations revised june 1978. The island has a winter maximum demand of 69mva and it is anticipated that this demand will increase. When there is lightning stroke fall at that time it discharges from. Substation standards switching diagram operating numbers bus configuration 6. Power evacuation, main single line diagram, grid interconnection. Basic distribution substation figure 1 is a one line diagram for a simple distribution substation.
What is a electrical substation definition, layout, and. Single line diagram 233 kv 2 x 63mva transformer substation. Single line diagram of 3311 kv jampaijala for tender. The first step in planning a substation layout is the preparation of a one line diagram, which shows in simplified form the switching and protection arrangement required, as well as the incoming supply lines and outgoing feeders or transmission lines. It is a usual practice by many electrical utilities to prepare one line diagrams with. So one double circuit 2kv transmission lines 54 x 2 108 mw only can satisfy this. Urban substations are usually built in brick, whereas rural. The 3phase, 3wire 11 kv line is tapped and brought to the.
Construction of 33 11kv gis substations 2 x 31 5 mva. Single line mimic diagram for simple and safe operation. 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. Single source, single feeder substation the one line diagram of a single source, single feeder substation with the minimum equipment used. Single line diagram of 33kv11kv substation youtube. Chapter 7 33 kv switching substation, savar of dpbs1 7. Substation standard z732 zone substation operating single. Environmental compatibility and public need for the construction of a 345kv electric transmission line and associated facilities between the scovill rock switching station in the town of middletown and the norwalk substation in the city of norwalk, connecticut. Gbawe outdoor substation 3311 kv construction steps critical 8 minutes of construction. The contractor shall finalize the layout arrangements in case of new substations in line with. The probability of a fault during circuit breaker maintenance. Depending on the load being served, it is possible that initial construction may be limited to one distribution circuit.
The ergon energy design philosophy is to provide substations. Pdf power flow analysis of 230110 kv substation using etap. Single line diagrams of 220kv66kv11kv transmissiondg. Autocad, cadcam, solidworks, engineering, electrical engineering. The substation component of the project will be based on the arcadia single line diagram see 5. 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. Operation and commissioning of 3311 kv power substation eep. Existing and proposed single line diagram for 3311 kv. The single line diagram of the 33kv substation is depicted in the figure below.
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. Between the generating stations and the distribution stations, three different levels of voltage transmission, subtransmission and distribution level of voltage are used. The subtransmission circuit enters the substation through a primary disconnect switch used principally to. 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. Single line diagram33kv11kv substation this is the easy way to understand the working of substation.
Transmission line standards aerial patrol warning signs and marker ball marking diagrams. Electrical design of 233kv substation line diagram. All controlling such as line current each feeder, line and phase voltage for each feeder are. Section 5 contains the alert summary report generated after load flow analysis. Single line diagram maine buses desktop design projects desk blue prints.
Single line diagram for 33 kv switching substation. Acces pdf power substation design manual an introduction to genetic algorithms melanie. Single line diagram 33kv11kv substation in hindi youtube. Single line diagrams of 220kv66kv11kv transmissiondg 01 and 01a. Untangling the various equipment you might see in an electrical substation.
Diagram of user system for connection and mv switchgear. Above pdf contains two slds of substations 220kv into 400v. To overcome the under voltage at the 11kv, 33kv feeder buses and 2 kv buses capacitor bank of suitable ratings are added. The key diagram of this substation can be explained as under. Single line diagram of 11kv substation i want the attached picture to be made perfectly on autocad or related software so that, i can print the electrical single line diagram out.
Firstly every substation has its single line diagram where all details are denoted like rating of all equipment, connections, places, and locations. Single line diagram of 11kv substation autocad cadcam. There are two 33kv circuits that run under the menai straits and interconnect the group with 33kv system on the mainland. Industrial summer training on 220 kv substation ppt. Compact substation 1 compact substation guide certificate number fm35831. 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. Technical specification construction of 3311 kv primary sub stations. 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.
Load flow analysis of 2 kv substation using etap software. Sep 20, 2015 the project work assigned to us was to 233 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. Single line diagram of 233 kv grid sub station bettiah 2 kv transfer bus 2 kv main bus 33 kv main bus 20 mva abb make tr. Technical specification construction of 3311 kv primary.
As a layman view, sld is nothing but consisting of various components of the electrical system like, transformer, dg. A substation is part of a system and not an entity to itself. The power from main bus was fed into a 20mva transformer which. Understanding substation single line diagrams and iec.
One or more or all of the below referred works are envisaged to be carried out under each package. Bookmark file pdf construction of 33 11kv gis substations 2 x 31 5 mva construction of 33 11kv gis substations 2 x 31 5 mva. 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. A bypass switch is provided so service can continue during circuit breaker maintenance. The project work assigned to us was to 233 kv ehv substation electrical design. Single line diagram of 3311 kv jampaijala for tender purpose only. Section 6 is the load flow analysis of the substation with an improvement to surmount. Single line diagram 33kv 11kv substation this is the easy way to understand the working of.
General arrangement of foundations and cable trench for 233kv. B substation standards switching diagram operating numbers bus configuration. Medelec switchgear ltd compact substation 2 the substation is a compact enclosure consisting of mv switchgear, a transformer and an lv switchboard located. 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. Single line diagram 33kv 11kv substation this is the easy way to understand the working of substation. 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.
Single line diagram of power supply system explanation. Single line diagram 33kv 11kv substation in hindi single line diagram 33kv 11kv substation this is the easy way to understand the working of substation. Technical specification construction of 3311 kv primary substations. Its emphasis is on communicating the functions of the power equipment and the associated protection and control system.
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