11kv substation design pdf. 0 sec Soil resistivity = 10 ohm Depth of burial = 0.

11kv substation design pdf. CONSTRUCTIONAL FEATURESOF 33/11KV SHIRBHAVISANGOLA, In This research paper deals with the simulation of 132/33/11kV substation. This suite of documents outlines the requirements for the design of 132/33/11kV grid and primary substations. Capacitor bank is connected to main bus of 11KV. 6 Compact Substation Unit (CSU 2. . Collector substations also exist where multiple thermal or hydroelectric power plants of comparable output power are in proximity. The single line diagram is required so that we can Outdoor Liquid-Filled Primary Unit Substations Figure 13. REFERENCES Print ISSN : 2395-1990, Volume 10 Issue 3, pp. It consists of a transformer mounted on an H-type pole that steps down the 11kV supply voltage to 400V. 5 Switching Station / Stesen Suis (S/S) 4. •If normal DNO practice is followed the design will be ok. txt) or read online for free. Scholar, Electrical and Electronics Engineering Department, AISECT UNIVERSITY Bhopal, MP, India. A substation generally have switching, protection, & control equipment & one or more transformers. The document discusses the equipment used in a 33/11 kV substation, including busbars to connect generators and feeders, insulators to support conductors and confine current, circuit breakers to open circuits during faults, protective relays to detect faults and trip circuit breakers, instrument transformers to step down voltages and currents for metering, meters for monitoring circuit 33/11Kv Substation Pdf . DO Fuse 8. for offices, hospitals and institutional buildings. 1. com ||July ||2013|| Page 17 Design of 132/33KV Substation III. Pin type insulator 2. This technical specification outlines the scope of work for constructing 33/11 KV primary sub-stations for NESCO. 4 Outdoor Distribution Substation / Pencawang Elektrik (P/E) 4. For healthy operation of the system, the system should be balanced. High Voltage Design General The substation high voltage design shall be to AS 2067 with the additions and clarifications specified in this document. LV cable Fig shows the single line diagram of 11KV/440V substation DP structure. 3 The Main Intake Substation 2. e. options to vary the substation’s appearance. of Low Voltage Internal Rising. DESIGN OF 66/11KV, SUB-STATION Before choosing the nominal values of different devices in the substation and deciding their location in the substation, it is necessary to draw a single line diagram, also called a key diagram. 11 or 22 kV capacitor bank management. When developing substation designs, designers/developers/customers are required to consider that wherever UK Power Networks operational personnel need access, the design guidelines presented in these document shall apply. The design Jul 12, 2021 · The types of substations that will be covered in this chapter are: 4. 2 The 11kV Circuit Breaker (CB) Switchgear. All documents referenced by AS 2067 such as Australian Standards, also apply. 1250 kVA " 2 transformers, each up to 1250 kVA For certain sizes of substations there are several solutions Type of Substation No of rooms Size of Substations HT Bulk Supply 1 Room 15 ft x 15 ft Distribution Substation with Transformer 2 Room 30 ft x 20 ft 1. Site www. The single line diagram contains the Sep 1, 2017 · The electrical transient analyzer program (ETAP), an interactive power system analysis and design tool, is discussed. Design of control and monitoring systems shall take into account the following considerations: 66 kV circuit breaker management. Abstract: The thesis deals with the analysis of Construction of Power Lines and Substation Switchyard of 33/11 KV. UK Power Networks must approve in writing any variation to the guidelines provided in this document. strip Minimum cross-section of grounding PDF: ISBN 978-0-7381-5530-2 STD95629 Print: ISBN 978-0-7381-5529-6 STDPD95629 Added an example of cable system design in Annex O for a small substation k) Removed Apr 17, 2019 · 66/11 kV outdoor substation Single line diagram. In this the control signal is obtained from the supervisory substation and the equipment is operated. 2 Indoor Distribution Substation / Pencawang Elektrik (P/E) 4. WI-NET-CAB-128, Overhead Line and Substation Risk Calculator – User Guide. May 2020; International Journal of Engineering Research and V9(05) V9(05) DOI:10 Nov 1, 2018 · The substations are designed for rated voltage 11 kV and 1500 kVA transformers. 433 kV & 11 kV/0. Design Input Data Description Notation Unit Symmetrical fault current in substation I g A Duration of Shock for determining allowable body current t s Sec. DESIGN OF EARTH-MAT 3. 33/11Kv Substation Pdf A 33/11kV substation is a power substation which steps down the voltage from 33,000 volts to 11,000 volts. This document describes the design of an earthing system for a gas insulated switchgear (GIS) substation using CYMGRD software. • Preferable control voltage shall be 110 V DC for 33 KV Indoor GIS Type Switchgears and 30 V DC for 11 KV AIS switchgears. Also, the 132/11kV substations need to be planned for commissioning to match the TG-NET-SST-012 - Ownership Boundaries and Responsibilities for Connections between Low Voltage and 11kV - Design Standard. based on reliability requirements. The substation may also include other equipment such as switchgear, metering and protection equipment, and so on. 2. A 11 kV substation is a type of power substation that uses 11 kilovolts (kV) of alternating current (AC) to distribute electricity. S. II. This program uses technically correct models, employs a user-friendly Sep 18, 2024 · pdf ES333 - Earthing Design for 6. • Total connected load, maximum demand and capacity for individual 11kV substation. 3 Issue 10, October- 2014 Design of Earth Grid for a 33/11kV GIS Substation at a High Soil Resistivity Site using CYMGRD Software Nevil Jose Substation Design Department National Contracting Company Emirates Ltd. In today’s life electricity plays a very important role. 5m. •Soil resistivity values can be assumed or don’t matter. Oct 11, 2019 · SUBSTATION A Station is a subsidiary station of an electricity generation, transmission,& distribution system where voltage is transformed to high to low or the reverse using transformers. Earth Mat Design 33-11KV SS - Free download as PDF File (. Soil resistivity was measured at the site using the Wenner four point method due to its efficiency. A typical 11 kV substation may have one or more transformers, switchgear, circuit breakers, and other parameters are shown related earthing mat design of 66/11 kV sub-station. The single line diagram is used for the substation to understand it's electrical system. Alqattan2 Department of Electrical Network, The Public Authority for Applied Education and Training, Higher Institute of As the project manager, key responsibilities include building a project team, creating a risk management plan, estimating costs and schedule, and finalizing the design with the client. This standard is a companion document to the earthing design standards and details the design criteria, data and calculations for use in substation earthing design at all voltages. The manual will provide information on what materials are needed, how to construct the substation, and how to test it before it goes into operation. Alsanad1, Humoud A. See full list on electrical-engineering-portal. This Code of Practice provides the details of the general principles to be applied to the design of distribution substations, including substations located at ground floor, basement, upper floor level including at high level in high rise building and outdoor areas. Nov 30, 2022 · It deals with 33 kV/11 kV, 33 kV/0. This document provides the design principles and building construction standards for new secondary substations & 11kV switchrooms. ABSTRACT - The thesis deals with the analysis of Construction of Power Lines and Substation Switchyard of 33/11 KV. A 11 kV substation is a type of electrical substation that converts high-voltage, alternating Jun 11, 2018 · It is particularly important to ensure that fuses in substations (which are subject to the highest fault levels on the system) have adequate short-circuit capacity and are fitted with the correct fuse link to protect the outgoing cables. AC Supply : 33 kV, 11 kV 400 V, 3 ph. Such an arrangement of two incoming lines is called a International Journal of Engineering Research & Technology (IJERT) ISSN: 2278-0181 Vol. Some challenges are meeting deadlines and ensuring proper communication. Each compartment has doors, barriers, and removable access panels to isolate the separate working functions. Analysis at 33/11 KV Substation", International Journal of Scientific Research in Science, Engineering and Technology (IJSRSET), Online ISSN : 2394-4099, VII. Jun 29, 2017 · substations to be provided if the number of 132/11kV substations is two or more. The collector substation can also provide power factor correction if it is needed, metering and control of the wind farm. The switchgear assembly consists of individually-grounded, compartmentalized steel structures. This specification is intended to cover complete design, engineering, assembling, testing at manufacturer’s works, substation building, complete erection, testing, commissioning and putting into successful commercial operation of 66/11 KV substation. Essential Features of EHV AC Substations: A typical EHV AC substation has following essential features: American Academic & Scholarly Research Journal , 2017. The appendices also include supporting and background information on various aspects of substation earthing. (maximum anticipated power demand (KVA), layout plans and elevations showing location of proposed substation, degree of supply continuity required from the information provided by the consumer), the power-supplier must indicate: Design of Distribution Substation Distribution substation consists of: 1. 1 These types of single room substation shall be constructed for the applicants requiring 11 KV bulk supply or for switching purpose of 11 KV Proper design, engineering, construction, testing and commissioning of substation is very important for the reliability of the substation and accommodating future expansion. AB switch 3. The design starts from 132/11KV substation and continues to entire 11KV network up to each factory containing the 400V main circuit breaker on the LV side of the transformer. pdf - Free download as PDF File (. for plant delivery shall not be less than 3 meters taking into 2. 433 kV substations and includes HV panels, transformers, bus ducting, LV panels (essential & non-essential), APFC panels, SCADA panels, DG sets, DG synchronizing panels, UPS, solar PV panels, IBMS, rising main etc. Sep 25, 2022 · Technical specification for construction of 33/11kV 2 x 31. •The Neutral Earthing Resistors on the 11kV and 33kV limit fault levels - so secondary substations will not be classed as hot. Scribd is the world's largest social reading and publishing site. Substations may be either outdoor or indoor types or a combination of both. • 33 KV & 11 KV switchgears are of single bus arrangement. The consumer must provide certain data to the utility at the earliest stage of the project. Irfan Khan M Tech. Establishment of substation/switchyard compromise of careful Design/Engineering of civil, structural, electrical, communication protection and SCADA aspects. Stay Wire 9. MV cable 10. 0 sec Soil resistivity = 10 ohm Depth of burial = 0. - The permanent access to the substation shall be of adequate height, width and of sufficient strength to accommodatethe size and weight of both the transformer and the conveying The minimum width vehicle. Round Riser = G. 14 Requirement for 11kV Network/Design Approval • Latest planning of the development (with both hard & soft copy). – private substations: these can often be considered as terminal type substations, i. The chapter three includes the AC substation arrangement. 1 Single Room Sub-Station (HT Switch Room): 1. The analysis is done by using advance software Electrical Transient Analyser Program (ETAP) with detailed load flow analysis. (1)Manual control substation:in such substation,the control of equipments is done manually. 400 kVA " Transformers to max. com Remote control is provided by the master control station located at Hudson Creek Substation. 6. The space requirements for 22 kV padmount transformers need to be checked and it depends on manufacturer. It is not designed to cover every eventuality or variation for particular sites. WI-NET-ENG-021 Design Review and Approval Checklist for Secondary Distribution Substations and Cable Systems - Design Standard Design and Construction of 33/11 KV Line & Substation Mohammad Sharique Nawaz Guide- Prof. Lightning Arrester 4. The single line diagram contains the Urban substations are usually built in brick, whereas rural ones are often installed externally directly on the MV pylon. G. DESIGN OF 33/11 KV LT SUBSTATION DEMO - Free download as PDF File (. Each layout drawing shows a different configuration of transformers, low voltage switchgear, and high voltage switchgear within the substation space. pipe, 3 M long Earth mat conductor = M. The growing need of continuous power supply in Nigeria cannot be achieved by the number of substations we have today in Nigeria. • In case of number of 132/11kV substations are more, project loads should be allocated to respective 132/11kV substations for effective network design (Phase wise). and Lateral Mains. Outdoor Liquid-Filled Primary Unit Substations—Plan View a Radiator position and number of radiators will vary based on design. •Earthing at 33kV and 11kV substations is simple. Generating voltage of the order of 11kV needs to be Constructor: The party, including SPEN or other Third Party ‘Turnkey’ Design-Build Contractors and Third Party New Connection Developers and Contractors (ICPs), having ultimate responsibility for provision of the 11kV Secondary substation, including design, construction and CDM. Major equipment for the 500kVA 11kV/400V substation includes transformers, switchgears, circuit breakers, poles, and arresters. It includes guidelines for the layouts such as transformer and switchgear sizes and clearances. The contractor must get all designs and drawings approved by NESCO before commencement of 11 Kv Substation Pdf . The substation different configurations are characterised by their busbar arrangements and generally any number of circuits can be provided by repeating the pattern. It is possible to describe the planning process of an electrical network in several stages. 249[1]. From This type of substation is used to supply electricity to a specific area. 3. It is provided to improve power factor & voltage profile. •Fences should always be independently The main steps in substation design and engineering are as follows: Step 1 – switching system Selection of a substation switching system: ring bus, breaker-and-a-half, etc. Duration of fault current for sizing ground conductor t c Sec. 11 Kv Substation Pdf . 2. The contractor will be responsible for the supply of all materials except those classified as owner's supply materials, which include major equipment like transformers, circuit breakers, etc. 8 | Substation Primary Design Standard_____ 5. Transformer substations are further classified into Step-up substations, Primary grid substations, Secondary substations and Distribution substations (Johnson, 2015). 3 11 kV Primary Switching Station / Stesen Suis Utama 11 kV (11 kV SSU) 4. Circuit Breaker 5. Dubai, UAE Keywords—Soil Electrical entry of the substation to the noncovered area should not exceed 2. 4 KB - 28th Sep 2017 Design, manufacture and of Compact Substation of 11KV/415 Volts, equipped with 2000 kVA Cast Resin Transformer, 4 way 11kV Ring Main Unit consisting of 2 nos. 1 Step-up substations: These substations are usually located at the generating stations. In Feb 19, 2024 · The chapter two covers the electrical arrangements, the basic concepts and factors affecting the design of AC substation. This is typically done using transformers. 1-2. 1000 kVA " Transformers to max. (3)Supervisory substation:such substation supervises the other The document provides 7 typical layout designs for 11kV indoor distribution substations. 9 KB - 30th Jan 2019 pdf ES400 R L1 - Installation. 1 The standard design of the 11kV main intake substation The standard design is usually a two chamber type i. Jun 17, 2019 · Depending on the purpose served, power substations might be classified as: Step-up substations – This type of substations steps up the generated voltage to the voltage level, which is used to transmit the electric power. Also, we have carried short circuit study of 132/33/11 kV substation system using ETAP software. Oct 31, 2021 · This research focuses on the design of an effective 33/11 kV modelled injection substation that conforms to an appropriate standard for equipment protection, the safety of personnel and May 21, 2020 · PDF | Over the decades, electricity demand has increased considerably. It is typically used as a medium voltage level for distribution in an electrical grid. Tech_Spec_33-11KV Substation Design. 4. Earthing 7. 11 or 22 kV circuit breaker management. Figure 1 shows the single-line diagram of a typical 66/11 kV substation. Distribution Transformer 6. There are two 66 kV incoming lines marked ‘incoming 1’ and ‘incoming 2’ connected to the bus-bars. I. Jan 8, 2020 · Site selection of substation. 1. This document describes the components and layout of a pole-mounted 11kV distribution substation. Nevil Jose, Design of earth grid for a 33/11 kv GSI substation at a high soil resistivity site using 254, May-June 2023. 6 & 11kV Substations 563. Configurations include options for 1, 2, or 3 transformers comparison of indoor and out door substations, Transformer substation, pole mounted substations, underground s/s symbols for equipments in substations, Equipment in a transformer substation, bus bar arrangements in substations, key diagram of 66/11 kV substation, key diagram of 11 kv/400 V indoor substation Contents: The International Journal of Engineering and Science (IJES) || Volume || 11 || Issue || 2 || Series I || Pages || PP 40-55 || 2022 || ISSN (e): 2319-1813 ISSN (p): 20-24-1805 Network Automation and Design Implimintation of 132/11KV Substation 1 Adel H. Let’s explain the main parts of it and how it actually works. Substation enclosures. The protection, control and panels are to be pre-wired with relays and meters in position. 01 LIGHTING • The electrical panel can be wall mounted type and shall have feeders for lighting Oct 11, 2019 · 1. Design of Distribution Substation Distribution substation consists of: 1. (2)Automatic control substation:In such substation,control operation is done automatically. pdf), Text File (. one chamber houses the TNB 11kV switchgear and the other chamber houses the JKR 11kV switchgear as shown in Fig 3. , phase to phase 230 V AC single phase Aux. 66/11 Kv Distribution Substation Design. Fig1-sld of 66Kv/11Kv Substation Here, the unique busbar arrangement with sectioning scheme is described in SLD. LVDC : 220 V, 110 V, 48 V DC d. substation steps up voltage to a transmission voltage for the grid. Surface layer resistivity ρ s Ω-m Sep 21, 2022 · 66/11 kV Substation. 630A at 11kV fault making load breaking switch with two no tee-off as SF6 insulated Vacuum Circuit Breaker & with 3200A Air Circuit Breaker as secondary side control as detailed below. substations where the MV line ends at the installation point of the substation itself. Aug 27, 2017 · A step down transformer of 11KV/440V is connected to control panel to provide supply to the equipments of the substation. Concrete substations in the CSS range are available in sizes that are suitable for: " Transformers to max. Other equipment includes lightning arrestors, isolators, fuses, and an oil circuit breaker. ijceronline. and Services 681. This is to certify that the project work entire, “DESIGN OF 33/11KV LT SUB- STATION DEMO ” is a bonafide work carried out by following students in partial fulfillment for the award of “Diploma in Electrical Engineering ” during the year 2021-22 as required by the board of This Paper presents designing of 132/33/11 kV substation using Auto-CAD and sizing of the equipment. The electrical equipment are represented by the symbols in a one-line diagram. Calculation Fault current = 40KA Fault duration = 1. Primary substations – These substations receive the electric power, which is transmitted by three-phase overhead system The work relating to protection, control and panels for 33/11KV Sub-stations shall comprise of development of elementary diagram, design, manufacture, test and supply of pre-wired control panels to be installed in the sub-station control room. 5 MVA substations. The transformer, arrestors, and other components are mounted directly on the pole to provide 1 AC Substation 765 kV, 400 kV, 220 kV & 132 kV 2 Substation Auxiliaries Aux. • 11kV Substation location, refer to Distribution Substation Guideline for approval of 11kV substations. 6 M Earth electrode = 40 mm dia. axir ive jud gxsnzw apfn nslfr hcblay xcevn oxgc vrux