An offshore substation represents the vital part of the infrastructure. A mini project operation and maintenance of a 2202 kv. Several crucial terms are for better understanding of the presented material. Design,supply,manufacturing,erection, te sting and. To overcome the under voltage at the 11kv, 33kv feeder buses and 2 kv buses capacitor bank of suitable ratings are added. A mini project operation and maintenance of a 2202 kv substation eep. The project work assigned to us was to 233 kv ehv substation electrical design. These are classified into different types like single bus, double bus and ring bus. Also an additional 2 kv purukulbindal line is now being connected to the substation. A single line diagram sld of an electrical system is the line diagram of the concerned electrical system which. Basic distribution substation figure 1 is a oneline diagram for a simple distribution substation. Starting from the generating stations to the end users, voltage is needed to be stepped up and down several times in various substations.
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. Substations a substation is a part of an electrical generation, transmission and distribution system. Electrical layout single line diagram grid connection transient stability and harmonic analyses hv distribution gis. Sld single line diagram sme subject matter expert sprmp simple project risk management plan ss substation standards tcs.
Section 5 contains the alert summary report generated after load flow analysis. In case they do not have designdrafting capability, after receiving purchase order from bhel, the vendor shall tie up with competent design consultants in which case vendor shall submit the. Our substation design solution reduces the amount of time to complete design and minimizes errors that cause rework during construction. This subdirectory is named in accordance with alpageelec. 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. Rebuild the existing wylfa to caergeiliog single circuit 2kv overhead line with double circuit tower line 16km. As in the case of 2202kv substation, the single line diagram sld shall show. Single line diagram of substations cad design software.
Between the generating stations and the distribution stations, three different levels of voltage transmission, subtransmission and distribution level of voltage are used. Single line diagram of 3311 kv jampaijala for tender. Extend caergeiliog 33kv switchboard with a new 33kv grid transformer bay. Load flow analysis of 2 kv substation using etap software. Tender documents for 2302 kv and 233 kv substations, northern zone. Single line diagram of power supply system explanation. Single line diagram maine buses desktop design projects desk blue prints. The single line diagram sld in figure 1 shows the khimti. Pdf power flow analysis of 230110 kv substation using etap. Wave traps or line traps highfrequency stoppers are maintenancefree parallel resonant circuits, mounted inline on hv ac transmission power lines to prevent. Electrical design of 233kv substation line diagram.
The proposed beryl 330kv substation initial single line diagram, ultimate single line diagram, area network diagram and substation location is shown in figures 1. Single line diagram 33kv substation helps you to understand the layout of your space and gives you. Sep 20, 2015 the project work assigned to us was to 233 kv ehv substation electrical design. This ensures efficient transmission of power, minimizing the power losses. Now, lets go through a industrial single line diagram. New 233 kv substation miithapukur substation layout. A typical plant single line diagram of electrical distribution system is shown in figure 1. Section 4 is the load flow analysis of the substation. Distribution substations are usually characterized by voltages up to 230 kv on the primary side and on the low side the voltages are typically. The vendor shall have design capability for substation switchyard transmission line.
Lsis has been a leader of development of industry and best partner to improve. One line diagram for 233 kv grid substation 56 fig 8. Extend nget substation at wylfa with a new 2kv feeder bay. Power and water corporation darwin to katherine transmission line. Transmission network and distribution network where the transmission.
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. Ctr 15050 11 a single line diagram of 3311 kv jampaijala for tender purpose only. Distribution bulk substations pmu 2 33kv, 2 11kv transformer capacity. Eep electrical engineering portal energy and power for all. These single line diagram 33kv substation are an important part that needs to be taken care of in every small and large project. This course is based on terms used in ieee and iec regulations. Gis there are two terms presented in iec gas insulated switchgear and ieee gas insulated substations. Lsis who has been a leader in electricity and automation. The power from main bus was fed into a 20mva transformer which. Title type vehicle body layout and analysis john fenton pdf chapter 9 site selection layout.
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. Design of 233kv substation 1,sudipta sen, 2,arindam chatterjee, 3,debanjan sarkar 1. Design,supply,manufacturing,erection, te 211 kv substation with sas at i. Extension of existing 2302 kv substation rajshahi single line diagram. Six grid substations are included in the project scope of work. A subdirectory is created for each diagram containing all the files related to that diagram. Diagram electrical substation dwg full project for autocad. This bulletin is an update and revision of previous rea bulletin 651, design guide for rural substations revised june 1978. When interpreting a single line diagram, you should always start at the top where the highest voltage is and work your way down to the lowest voltage. 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. Our project is to design a 2kv33kv ehv substation where the incoming power is.
Single line diagram, plan layout, section elevation layout, earthing grid, earthing grid design, dslp direct stroke lightning protection, dslp. It is a combination of two or more legs towers and an. Drawing labels, details, and other text information extracted from the cad file translated from spanish. Gantry tower is a structure commonly found in electrical substation or transmission line. Section 3 is the simulation of single line diagram of 2 kv substation in etap based upon practical data. Rebuild the existing wylfa to caergeiliog single circuit 2kv overhead line with double circuit tower line. The single line diagram sld in figure 1 shows the khimtikathmandu 220400 kv. The channel island substation is an integral part of the darwin katherine 2kv transmission system. Schematic diagram of 110 kv substation consumables supply of all consumables required for. Single line diagram of 11kv substation substation provides the energy supply for the local area in which the line is located. Install a new grid transformer at caergeiliog 233kv 60 mva. Bharat heavy electricals limited high pressure boiler plant tiruchirappalli 620014, tamil nadu. Section 6 is the load flow analysis of the substation with an improvement to surmount. Single line diagram 33kv substation in new town, kolkata.
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