Outdoor substation layout 2 kv,33 kv transfer 11kv. Transmission distribution layout 11kv to 440 v 220 voltage. Debagram 2 kv substation connected with the grid via 2 kv debagramkrishnagar, debagramkatwa and debagramamtala double circuit transmission lines. Comparison of gis and ais systems for urban supply networks.
Siemens highvoltage substations with airinsulated switchgear ais are the costefficient choice for rated voltages of up to 800 kv. They are renowned for highest reliability, economical operation, and low maintenance requirements. The top countries of suppliers are south africa, china, from which the percentage of 2kv substation supply is 1%, 98% respectively. The double bus scheme has been used in important 2 kv substations. Most important use of relay is for protection from fault. A mini project report on operation and maintenance of 2202kv power substation on photo. The siemens experts always consider the electrical parameters as well as the environmental conditions to which a. Furthermore, the 220 kv system was successfully introduced in the integrated nepal power system inps by commissioning of 2202 kv, 2x160 mva transformer substation at dhalkebar.
Maintenance and operation of an electrical substation of. Switchgear and protection scheme in 233 kv substation. Pdf reliability evaluation of a 233 kv hv substation. Such substations are usually for a voltage up to 11 kv but can be erected for the 33 kv and 66 kv when the surrounding atmosphere is contaminated with impurities such as metal corroding gases and fumes, conductive dust etc. They can open a circuit for safety or maintenance reasons by switching.
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. In such substations the apparatus is installed within the substation building. Power is purchased and paid at 25 kv from supply utility. Draft manual for maintenance of distribution network, under dhbvn. Design of 233kv substation 1,sudipta sen, 2,arindam chatterjee, 3,debanjan sarkar 1. Abbs experienced multidisciplinary team of engineers and technicians is.
In case of breakdown of electrical system, manual operation is. 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. A mini project operation and maintenance of a 2202 kv substation eep. Gas insulated substation gis vs conventional outdoor substation ais by. The substation design manual is not intended to replace asset management standards, but rather. The cross section of the buried cable should calculated in accordance with the value of the phasetoearth short. 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. In this work, the data of outages are collected for high voltage substation equipments of 233 kv nirjuli substation a remote location of arunachal pradesh and the reliability of the overall. Chun yat street 2 kv substation, hong kong nec contract. The stepped down 33kv is further stepped down to 11kv and then finally to 440v to.
The greuth substation connects the 2 kv arnoldsteintarvisio line to the existing 220 kv lienzobersielach line system 266 through a pst phase shifter transformer which transforms 220 kv to 2 kv. Sep 20, 2015 the project work assigned to us was to 233 kv ehv substation electrical design. 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. The entire 220 and 2 kv transmission system is supervised from the national control centre ncc.
Basics, maintenance, and diagnostics vii contents continued page 4. The substation will substantially increase its reliability and reinforce supply to muscos activities in the region along with 50 mva additional bay and transformer switchyard for their new blast furnace. A power transformer requires various routine maintenance. Fundamentals of modern electrical substations part 1. Section and two substation projects namely dhalkebar 2202 kv and rupani 233kv substations were completed and put into operation. Operation and maintenance of substation equipment and ehv transmission lines. The high profile project involved building original substation for musco steel company ltd. Design,supply,manufacturing,erection, te 211 kv substation with sas at i. Modelling 2 kv substation for surge arrester studies.
A substation standards switch operating platforms steel design and details 49. A power transformer is the most costly and essential equipment piece of equipment within an electrical substation. Maintenance and operation of an electrical substation of 22023. Important formulas for designing a substation grid earthing system. Design,supply,manufacturing,erection, te sting and. Electrical clearance in substation electrical notes. He has more than 19 years experience in transmission. A report on summer training undertaken at 2202 kv substation at bhinmal jalore under the guidance of er.
Supply utility is responsible for owning, installation, operation, maintenance of 1002220 kv transmission line, grid substation upto 25 kv outgoing terminal. In this work, the data of outages are collected for high voltage substation equipments of 2 33 kv nirjuli substation a remote location of arunachal pradesh and the reliability of the overall. Even the instruments are very costly, so to prevent any damage lightening arrestors are used. Home download center electrical engineering books and technical guides power substation guides 2 kv substation basic training for students. The use of sf6 circuit breaker is mainly in the substations which are having high input kv input, say above 220kv and more. Cbip manual for substation layout read book cbip manual for substation layout 2 to 33 kv electrical substation hindi in this video the complete layout of 2 kv to 33 kv electrical substation is discussed. A mini project operation and maintenance of a 2202 kv. A mini project report on operation and maintenance of 2202kv substation submitted in partial fulfillment for the award of the degree of. Electrical and civil work engineering for ais and gis substations complete design and engineering of the primary and secondary equipment for the substation. A 2 kv substation is normally called a grid substation.
At 2202 kv, 22066 kv and 266kv substations the ncc also controls. Design of earthing grounding system in a substation grid. The first step towards the design of a 4002202 kv substation is to determine the load that the substation has to cater and develop it accordingly. Transmission line structure standards steel pole structures maintenance provisions outlines. Chun yat street 2 kv substation in the tseung kwan o industrial estate was built using the shortest time in clps history 3 years from conception to commissioning.
The substation feed power to railway through debagramdebagram tss 2 kv line and palassey, akandaberia, nakashipara, muragachha and tehatta 3311 kv substations of wbsedcl through 33 kv feeders. A wide variety of 2kv substation options are available to you, there are 180 suppliers who sells 2kv substation on, mainly located in asia. Design,supply,manufacturing,erection, te 2 11 kv substation with sas at i. It is delivered to the consumers through a large network of transmission and distribution. There are a number of hazards unique to substations.
Power substation guides, research papers and studies 3 eep. Electrical design of 233kv substation line diagram. Example network above consists of mv consumer substation, two mv ratings. This high voltage is very dangerous to the instruments used in the substation. Our customers for substation safety equipment regularly pose questions relating to safety protection during substation operation and maintenance. Mission of electrical substations and their main components. Because of compactness of equipment, a very small area of land and civil work is required resulting in substantial savings and makes gis compatible with ais at. The proper book substitute will impinge on how you.
In switchyard we are using hand gloves to open or close isolator and give a earth switch in 66 kv,2 kv and 220 kv but the rating of gloves is maximum 40 kv then why we using that gloves. It would normally use two or more 233 kv transformers rated at 90 mva, or two or more 211 kv transformers rated at 30 mva. The incoming voltage level for this substation is 220kv. The power from main bus was fed into a 20mva transformer which.
Pdf modelling 2 kv substation for surge arrester studies. According to the author gis are much more reliable, compact and maintenance free. Download file pdf manual on ehv substation equipment maintenance manual on ehv substation equipment maintenance. The manual is applicable for all substation projects regardless of internalexternal design delivery mode. Namaskar outdoor substation layout 2 kv,33 kv transfer 11kv and step by step distribution substation. Taleveras group, nigeria complete design and engineering of the primary and secondary equipment. Distribution automation handbook prototype elements of power d istribution systems 1mrs757959 4 3 elements of power distribution systems 3.
Basic substation configurations and the components. Substation maintenance i substation maintenance ii when registering use promo code. Safety measures to be considered during substation maintenace. 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. Switchgear and protection scheme in 2 33 kv substation. Substation operation and maintentance alexander publications. Electrical and civil work engineering for ais and gis.
Switching is done for maintenance purpose or disconnection of line at the time of. Design of 233kv substation sudipta sen, arindam chatterjee. This is accomplished by an isolating switch or isolator. The text in the reports may be collected in any electrical design book available in the book store. Substation operation and maintentance heres a comprehensive reference on how to operate and maintain all the essential components of substations. The substation is responsible for catering bulk power to various load centres distributed all around through 220 kv and 2 kv substations.
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