Jul 04, 2016 the substation rating is defined as per the power handling capacity, location and purpose of substation. A power transformer requires various routine maintenance. Message from the desk of cmd rvpn has been dedicated to provide the pathway for power in rajasthan. Basics, maintenance, and diagnostics vii contents continued page 4. As such it is desirable to perform various preventative maintenance activities to ensure the transformer maintains a high level of performance and a long functional life. Every substation is controlled by experienced manpower, including one in charge,23 engineers, 45 technical staffs. Standard nepa substation, 2x40mva, 2 33kv with connection to the existing 2 kv sc transmission line. Hkkjr ljdkj government of india ministry of railways. Presentation on operation and maintenance of 3311 kv substation at dhaka palli bidyut samity1 presented by md. Nov 17, 2019 a power transformer is the most costly and essential equipment piece of equipment within an electrical substation. Such maintenance results in outage of circuit and supply. B substation standards typical power circuit breaker wiring diagram sh 2 of 3 70. Technical specification construction of 3311 kv primary substations. The substation design manual is not intended to replace asset management standards, but rather.
Technical specification construction of 3311 kv primary. Technical specification construction of 3311 kv primary sub. Energo executed turn key project as the subcontractor of abb for the following works. Other requirements of the substation electrical system 56 10. Medium voltage products technical guide the mvlv transformer. See all formats and editions hide other formats and editions. A power transformer is the most costly and essential equipment piece of equipment within an electrical substation. Manual for transmission lines and substation construction and maintenance activities volume i best management practices volume ii permits prepared for prepared by hdr engineering, inc 701 xenia avenue south, suite 600 minneapolis, minnesota 55416 february 2007. Areas outside the substation do not need to be considered. Design study for 3311 kv substation, distribution and protection in the city of kenya.
Design of 233kv substation 1,sudipta sen, 2,arindam chatterjee, 3,debanjan sarkar 1electrical engineering, techno indiawest bengal university of technology, india. A mini project report on operation and maintenance of 2202kv substation submitted in partial fulfillment for the award of the degree of bachelor of technology in electrical and electronics engineering submitted by v. Substation maintenance i substation maintenance ii when registering use promo code. What is the criteria for selection of 33kv11kv or 66kv11kv. B substation standards typical power circuit breaker wiring diagram sh 1 of 3 69. While the coverage is primarily about constructing new substations, much of the material is applicable to existing substations.
Electrical clearance in substation electrical notes. General specification for the civil engineering and building. Single line diagram 33kv11kv substation in hindi single line diagram33kv11kv. As known, as soon as you right of entry a book, one to remember is not lonesome the pdf, but in addition to the genre of the book. Where a substation is fed via overhead line and has no metallic return path, all the earth fault current. The package substation housing is made from a composition of galvanised sheet metel of 1. November this offer can only be applied to courses registered after october 17, 2017 and attended on or before november 30, 2017. Every year annual maintenance work is done in every substation in according to the official schedule. The custodian of feeders such as rpg1, rpg2, 33 kv ptpe etc. General specification for the civil engineering and. This book is organized as a series of work practices. This offer cannot be used towards courses already purchased or added to any other existing discounts. Substation substation a station in the power transmission system at which electric power is transformed to a conveniently used form.
The maintenance of the abs and its dps are carried out by electrical section vadasserikkara. Our customers for substation safety equipment regularly pose questions relating to safety protection during substation operation and maintenance. Pdf maintenance and operation of an electrical substation. Power substation lv panel actual annual preventive maintenance pm step by step. Important formulas for designing a substation grid earthing system. Substation maintenance is a branch of the positions of power supply enterprise skills training materials for substation maintenance. Vacuum circuit breaker for the protection of substation and its components from the over currents or over load due to short circuit or any. Distribution substation a distribution substation transfers power from the transmission system to the distribution system of an area. Standard nepa substation, 2x40mva, 233kv with connection to the existing 2 kv sc transmission line. A substation standards switch operating platforms steel design and details 49. The substation rating is defined as per the power handling capacity, location and purpose of substation. The manual is applicable for all substation projects regardless of internalexternal design delivery mode.
The following current and former members of the substation subcommittee of the nreca. Earthing system is made of a mesh of buried bare copper cable, with additional earth rods, and shall be calculated, being recommended to use ieee std. Earthing design of 11kv and 33kv rural substations in the uk. The input for a distribution substation is typically at least two transmission or subtransmission lines. If normal dno practice is followed the design will be ok. Construction of residential houses for operational and maintenance staff.
The property is owned by ausgrid, a privately owned energy utility. Substation operation and maintentance heres a comprehensive reference on how to operate and maintain all the essential components of substations. The technical specification for the civil engineering and building design and construction of secondary substation or 2275400kv substation equipment enclosures that form an integral part of primary. Now the transmission line first parallel connected with lightning arrester to diverge surge, followed by cvt connected parallel. The station may consist of transformers, switches, circuit breakers and other auxilliary equipment. Distribution voltages are typically medium voltage, between 2. Detailed investigation of substation and preparation of boq to be done by the.
Substation operation and maintentance alexander publications. At present different zonal railways are having different maintenance practices of the electrical general service substation. Maintenance and operation of an electrical substation of. The preventive maintenance is undertaken to ensure smooth and efficient working of a system, equipment.
There are a number of hazards unique to substations. Feb 29, 2016 our customers for substation safety equipment regularly pose questions relating to safety protection during substation operation and maintenance. Design study for 3311 kv substation, distribution and. Example of substation design electrical part 65 14. 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. All kinds of maintenance work of the substation done by them in addition, substation operation work done by the engineers. Design of earthing grounding system in a substation grid. The 11 kv townperunad feeder can be extended to 11 kv vadasserikkara feeder from the ranni 110 kv substation. Now the transmission line first parallel connected with lightning arrester to diverge surge, followed by cvt connected. Control room for 33kv switching substation 70 fig 9. Economical voltage rating has been categorised for different power range to be received thumb rule. Need has been felt for a hand book on maintenance aspects of electrical general services substation. Operation and maintenance of 3311 kv substation eep. The neutral earthing resistors on the 11kv and 33kv limit fault levels so secondary substations will not be classed as hot.
The property is owned by ausgrid, a privately owned energy utility company. 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. A transmission substation connects two or more transmission lines. Abb substations with gasinsulated switchgear gis are unmatched when it comes to compactness, reliability, efficiency and safety, ensuring maximum power availability for utility, commercial and industrial customers. Distribution substations michigan technological university. We provide a wide range of services to suit a variety of budgets and scheduling constraints. The prefabricated compact substation is one kind of compact complete set of distribution equipment which designed combining medium voltage switchgear, low voltage switchgear, distribution transformer, energy metering devices and reactive power compensation devices into one or several boxes according to a certain wiring scheme. Aug 02, 2019 power substation lv panel actual annual preventive maintenance pm step by step. The main bus 33kv is connected to grid located at sector25, indiranagar, lucknow. In general, it consists of locating the trouble, repair and recommissioning. Manual for transmission lines and substation construction and. In case where all transmission lines have the same voltage.
Substation construction guidelines explains the steps involved in building substation and in expanding an existing substation. Manual for transmission lines and substation construction. Inspections and tests in situ prior to putting into service 61. Design of 233kv substation 1,sudipta sen, 2,arindam chatterjee, 3,debanjan sarkar 1electrical engineering, techno indiawest bengal university of technology, india 2school of mechanical and building sciences, vellore institute of technology vit, india electrical engineering, techno india west bengal university of technology, india. A substation standards control cable color code identification 68. What is the criteria for selection of 33kv11kv or 66kv. Maintenance basis utilizing the epri tier classification for the substation. Electrical substation maintenance procedures power x. Maintenance of transformers a detailed checklist electrical4u. Basic substation electrical maintenance ssm102 p1 operation and maintenance of electrical substation part 2 its an short introduction about electrical substation in coming up video you will get to know their operation and maintenance as. Prefabricated compact substation, package substation. Transmission line structure standards steel pole structures maintenance provisions work ring. The maintenance practices followed, play a vital role in ensuring reliable power supply.
The cross section of the buried cable should calculated in accordance with the value of the phasetoearth short. Preventive maintenance is undertaken as per schedule before breakdown of a system or machine takes place. Download file pdf manual on ehv substation equipment maintenance manual on ehv substation equipment maintenance. The balgowlah substation is a heritagelisted former electrical substation and now child care centre located at 83 griffiths street, balgowlah, northern beaches council, new south wales, australia.
193 134 544 214 762 593 1259 944 1522 1465 1354 1026 1002 569 463 1546 534 916 792 1047 54 449 296 110 1183 785 218 523 950 512 786 1488