Stability of the system, reliability of power depends on the type of layout chosen and components used in the sub stations. The first step in planning a substation layout is the preparation of a oneline 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. D substation standards identification and security signs 8. Oct 07, 2014 the standard instruction for construction of 3311 kv substation is given in rec standards which specifies the layout along with the switchgear. Nov 15, 20 presentation on substation layout and bus bar arrangement. B substation standards switching diagram operating numbers bus configuration 7. Distribution substations michigan technological university. Single line diagram33kv11kv substation this is the easy way to understand the working of substation. B substation standards switching diagram operating numbers bus configuration. Best circuit breaker wiring diagram how to wire an electrical. Nonsecurity item tender document for construction of 2 33kv substation on turnkey basis for supply, transportation, erection, commissioning and civil work tender no. Up to about 33 kv 33 kv transmission line design drawings 33 kv transmission line design drawings ebook download as pdf file. Basic substation layout incoming subtransmission lines electric power path through substation outgoing distribution lines lightning arresters airbreak switches stepdown transformer distribution bus cutout switches oil circuit breaker voltage regulators metalclad switchgear control house. Pictured above is a diagram showing the typical layout of a high voltage grp electricity substation distributing 11kv power an outer ring of 70sqmm copper earthing conductor plus 4 earth rods of standard depth are shown with a 10 metre tail in the hv cable trench accompanied by a layout.
Distribution voltages are typically medium voltage, between 2. Zone substation design and construction ergon energy. 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. Jun 20, 2018 single line diagram 33kv 11kv substation this is the easy way to understand the working of substation. Technical specification construction of 3311 kv primary sub.
Introduction sub stations are important link between generating stations and distribution networks. Manual changeover switch wiring diagram for portable generator or how to connect a generator to house wiring with changeover transfer switch. Single line diagram33kv11kv substation this is the easy way to. Technical specification construction of 3311 kv primary substations.
Substations transform voltage from high to low, or the reverse, or perform any of several other important functions. Substation design manual page 1 of 120 reference ni000401r121 ver 2 ergon energy corporation limited abn 50 087 646 062 ergon energy queensland pty ltd abn 11 121 177 802 1. Single line diagram of 3311 kv jampaijala for tender purpose. The manual is applicable for all substation projects regardless of internalexternal design delivery mode. Abstract the thesis deals with the analysis of construction of power lines and substation switchyard of 3311 kv. Sirius substation preliminary design report rev0 july 2015.
A complete diagram of single phase distribution board with double pole mcb wiring, rcd wiring, volt meter wiring and light indicator. This bulletin is an update and revision of previous rea bulletin 651, design guide for rural substations revised june 1978. 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. They step down the ehv to hv as per the requirement of the customers. Design study for 3311 kv substation, distribution and protection in the city of kenya. Listed below are manuals, specifications, test reports, design modules, standards and drawings for zone substation design and construction service providers. Substation standards typical duplex switchboard surge suppressor networks detail layout 60. The power factor is corrected here and the voltage is stepped down to 33kv and power is then transferred to distribution system of the grid to meet the requirements of the end consumers at their suitable voltage. The 3phase, 3wire 11 kv line is tapped and brought to the gang operating switch installed near the substation. The project work assigned to us was to design a 233 kv ehv substation. The sealed envelopes shall be again be put in another sealed cover and should be superscribed construction of 233kv. Distribution substation a distribution substation transfers power from the transmission system to the distribution system of an area. General specification for the civil engineering and. Substation layout electrical substation electricity.
A substation standards switching diagram operating numbers bus configuration 6. Electrical substation components list diagram, working. A special class of distribution substation would include a dedicated customer substation. A singlecircuit transmission line carries conductors for only one circuit. The substation design manual is not intended to replace asset management standards, but rather.
Factors affecting the layout and design of a substation. Guidelines for substation and power distribution systems. The input for a distribution substation is typically at least two. The input for a distribution substation is typically at least two transmission or subtransmission lines.
Figure 1 shows a budget and actual hours spent on design. Layout the first step in planning a substation layout is the preparation of a oneline 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. Purpose and scope this document is a reference for the designers of ergon energy 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. General specification for the civil engineering and building design and construction of 275kv and 400kv substations. This report addresses the proposed design of the eskom side of the sirius 233kv substation. The contractor shall finalize the layout arrangements in case of new substations in. The fence is connected to a separate grounding conductor. 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. Mark dunk primary substation design uk power networks. 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. The substation would be a combination of switching, controlling, and voltage.
Single line diagram 33kv11kv substation this is the easy way to understand the working of substation. 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. Basic substation layout incoming subtransmission lines electric power path through substation. However, it is to be understood that the contractors scope is not limited to the items specifically listed above but covers all items required for the completion of a safe and fully functional substation. Single line diagram 233 kv 2 x 63mva transformer substation. Between the generating station and consumer, electric power may flow through several substations. Dec, 2018 single line diagram of an electrical substation. Abstract the thesis deals with the analysis of construction of power lines and substation. A design layout of 233 kv, 200 mw substation the substation is connected with three substations. Numbers of breakers, disconnect switches, transformers, auxiliaries, protective devices, lines and other equipment. Bhai mujhe single line drowing ka pdf file send kar sakte ho its. Drawing title 25251400 singer substation arrangement plan 25251401 singer substation sections 1 and 2. It is a usual practice by many electrical utilities to prepare oneline diagrams with.
The electricity substation is a network of electrical equipment which is connected in a structured way in order to supply electricity to end consumers. To overcome the under voltage at the 11kv, 33kv feeder buses and 2 kv buses capacitor bank of suitable ratings are added. Existing and proposed single line diagram for 3311 kv. Power evacuation, main single line diagram, grid interconnection. Jul 20, 2018 owners existing and proposed single line diagram for 3311 kv. Starting from the generating stations to the end users, voltage is needed to be stepped up and down several times in various substations. 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. We considered incoming power at 2 kv and the power was transferred to main bus through isolatorcircuit breakerisolator combination. Short circuit and current capacity of equipment, bus and other equipment compliance with projects scope and requirements number of feeders and load circuits.
Hence great care has to be taken to select the layout. Rural distribution substation capacities vary from maybe 1. Substation layout substation layout single line diagram check. Technical specification construction of 3311 kv primary. What is a electrical substation definition, layout, and. The key diagram of this substation can be explained as under. 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. A substation is a part of an electrical generation, transmission, and distribution system. The main function of the substation is to collect the energy transmitted at high. The two primary distribution feeders of the substation illustrated in figure 1 are protected by either power circuit breakers or automatic circuit reclosers. Single line diagram 33kv11kv substation in hindi youtube. 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.
Sirius 2kv substation preliminary design report document number revision no date page pdf. Sizing and choice of the switchgear and components. The physical layout and the design of the substation are governed. The project work assigned to us was to 233 kv ehv substation electrical design. These substations may be supplied radially, tapped from a subtransmission line, or may have two sources of supply. Depending on the load being served, it is possible that initial construction may be limited to one distribution circuit. Design parameters and standard layout of a 3311 kv substation.
Basic distribution substation figure 1 is a oneline diagram for a simple distribution substation. The standard layout guides for the general arrangement of the equipments, structures, busbars etc. Scholar, electrical and electronics engineering department, aisect university bhopal, mp, india. C2 appendix c table of contents substation drawings singer substation drawing no. Single line diagram of 3311 kv jampaijala for tender purpose only. Single line diagram of 11kv substation substation provides the energy supply for the local area in which the line is located. To step down the 33kv primary voltage to 11kv suitable for distribution purpose. Pdf single line diagram of substations pankaj choudhary. Single line diagram of 2x5 mva 3311 kv goh ss proposed. Design study for 3311 kv substation, distribution and. The single line diagram of the 33kv substation is depicted in the figure below.
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