There are nonshielding methods, such as use of lightning arresters and spark gaps. You can also choose from three, single 220 kv substation, as well as from porcelain 220 kv substation there are 86 suppliers who sells 220 kv substation on, mainly located in asia. You can also choose from low voltage, insulation sleeving 110kv substation, as well as from construction, overhead 110kv substation, and whether 110kv substation is three, or single. Unit description rate each amount 3 nos item no 1 sf6 gas circuit breaker supply erection, testing and commissioning of 36 kv rated insulation class bil, 170 kv peak 630 a. Substation automation system sas 10 panel mounted bay control unit 40.
Scope construction of 765400 kv substation at bikaner and extension of 765 kv substation at ajmer and moga substation associated with adb funded green energy corridor. Major changes in the 2017 national electrical safety code. Sep 16, 2012 the use of sf6 circuit breaker is mainly in the substations which are having high input kv input, say above 220kv and more. Apr, 2017 report on industrial summer training on 220 kv substation 1. Epc of 3311kv primary substation 80 mva including design and construction of civil substation building and supply installation, testing and commissioning of switch gears, transformers, scms, dms, capacitor banks, dc system, fire fighting, hvac and all related equipments complete with protection scheme at alreef compound at abu dhabi. Scope o f work for 220 kv substation mehna khera is as under. Shielding methods do not permit an arc to form between the conductor and ground.
The south bay substation is an aging 869 kilovolt kv substation that was originally built to accommodate the adjacent sbpp in the city of chula vista the city. The switches normally used for regulator bypassing automatically combine all switching operations and. This allows for the control of power flows in the network and general switching operations for maintenance purposes. Volsec clause text as per bid document bidders queries nea response clarification no. Design of 233kv substation 1,sudipta sen, 2,arindam chatterjee, 3,debanjan sarkar 1. Via inplace elevation of substation structures and equipment pdf. Industrial summer training report on uttar pradesh power corporation limited 2202 kv substation barahuwa gorakhpur submitted in partial fulfillment of the requirements for the award of degree of bachelor of technology in electrical engineering ee submitted by ashutosh srivastava 75120016 submitted to. Supply in the package materials have been classified as under i. Industrial summer training report on uttar pradesh power corporation limited 2202 kv substation barahuwa gorakhpur submitted in partial fulfillment of the requirements for the award of degree of bachelor of technology in electrical engineering ee submitted by ashutosh srivastava. Therefore it is my sole responsibility to acknowledge them.
Abstract the thesis deals with the analysis of construction of power lines and substation switchyard of 3311 kv. Need keyspan energy needs to install four 69kv substations allowing local gas generation to be on line before the summer peak of 2002. It is proposed to install the addition line and transformer bay and forming of incoming feeder bus. Notice of preparation environmental impact report for the. Distribution voltages are typically medium voltage, between 2.
Security of supply or substation service continuity is the main factor in selecting the switching scheme. Additionally, complete modular distribution substation configurations for all voltages mod subs are also included, since. Megger makes electrical test equipment to help you install, improve efficiency and extend the life of assets and cable networks at high, medium and low voltage. When if the gas gets decreases there is a motor connected to the circuit breaker.
A substation is a part of an electrical generation, transmission, and distribution system. When if the gas gets decreases there is a motor connected to. Cases, or packages which cannot be marked as above shall have tags made of metal or other durable materials with the necessary marking on. Kv rms i equipments other than transformers and reactors 630 460 275 70 ii all transformers and reactors 570 395 230 70 6. Report on industrial summer training on 220 kv substation. Technical specification construction of 3311 kv primary substations. Providing 2x100mva, 2202 kv transformer and 1x100mva, 22033 kv transformer, its bays along with allied switchgear and protective equipments, 4nos. A unitized substation uss is a nutshell product comprising of various substation equipments, housed inside a metal enclosure, such as a step down transformer, a vacuum circuit breaker vcb or a ring main unit rmu on high voltage hv side and low voltage lv distribution pa more. Electrical test equipment power station to plug megger. Specification substation power transformer standard number. Insulation testing and the word megger are synonymous in the electrical test industry, a position only maintained by continually designing world class products. Moe45 mva,233 kv mobile substation 7 show where the weight is bearing and the correct position of the slings and shall bear an identification mark relating them to the appropriate shipping documents. Tcn emerged from the defunct national electric power authority nepa as a product of the merger of the transmission and operations sectors on april.
Design guide for rural substations usda rural development. The general equipment and layout is four 115 kv to. Technical guide the mvlv transformer substations abb group. Scholar, electrical and electronics engineering department, aisect university bhopal, mp, india. Turnkey 400 kv 220 kv greenfield substation solution with 6 bays at 400 kv and 8 bays at 220 kv with 2 nos. Each section of the mesh is included in a line or transformer protection zone so no specific separate busbar protection is required. The sole factor determining the terminus of the route is a single. Energypac has been manufacturing reliable instrument transformers for more than 30 years. Overhead lines and substation equipment can be protected against direct strokes to a considerable extent by using earth or ground wires, which shield the equipment.
Providing turnkey execution of ehv substations upto 765 kv with leadingedge products, systems and turnkey solutions, backed by comprehensive range of services from concept to commissioning for last two decades. Design, supply, erection testing and commissioning of 336. A piece of heavy equipment that grasps a tree while cutting it, which can then. This section details out the scope of supply and services for 110 kv substation. Report on industrial summer training on 220 kv substation 1.
Commissioning services for equipment rated equal to, or greater than 100 kv, and the protection schemes that directly affect equipment rated equal to, or greater than 100 kv are performed by a corporate engineering department. Development of an electrical substation equipment performance. Get substation equipment at best price with product specifications. The following current and former members of the substation subcommittee of the nreca. Substation on turnkey basis for supply, transportation, erection, commissioning and civil work due on 29. Acknowledgement this report is an outcome of the contributions made by some of the peoples.
Compact footprint allows flexibility in site selection. Since branding, megger has grown and evolved to become the leading manufacturer of portable substation testing equipment. The use of sf6 circuit breaker is mainly in the substations which are having high input kv input, say above 220kv and more. The top countries of suppliers are china, bangladesh, from which the percentage of 220 kv substation supply is 98%, 1% respectively. The gas is put inside the circuit breaker by force i. Substations generally have switching, protection and control equipment, and. The fentress, hickory and shawboro substations were modified to improve reliability of dominions 230kv system. Khimtibarhabiselapsiphedi 400 kv substation project page 1 of 3. The motor starts operating if the gas went lower than 20. This high voltage is very dangerous to the instruments used in the substation. In addition, the existing equipment was not designed to modern seismic. Industrial summer training report on uttar pradesh power corporation limited 220 2 kv substation barahuwa gorakhpur submitted in partial fulfillment of the requirements for the award of degree of bachelor of technology in electrical engineering ee submitted by ashutosh srivastava 75120016 submitted to. A stepup transmission substation receives electric power from a nearby generating facility.
Specification and technical required undp procurement. No description of technical parameter unit data 1 nominal system voltage kv rms 33kv 2 maximum system voltage kv rms 36. In order to investigate the failure of 220 kv and above substation equipment and recommend measures to avert recurrence, a standing committee under section 73, clause1 of the electricity act, 2003, comprising experts in the field of design and operation of ehv substations. Solution abbs modula concept allows delivery of permitdrawings in 5 weeks. Each trailer shall be regarded as one shipping package so that all equipment and materials mounted on each trailer should be contained in its packing list which clearly describes to distinguish the equipment mounted, the materials for installation purposes in boxes andor spaces, parts in. Owners supply materials osm 3311 kv power transformers, station 330. Simple models then can be developed to combine the probabilities of failure of each phase. In case of the carve out, merger,demerger of companies and a new entity. This ensures a product with less maintenance, low weight, flexible mounting facilities, high reliability. Asset management plan transformers have the single highest value of the equipment installed in substations reaching 60% of the total. Before the ratings of various items of equipments in a substation are chosen and their locations in the substation decided it is necessary to draw a single line diagram, also called key diagram. Commissioning spare parts supply of commissioning spares along with the main equipment, for replacement. This chapter describes the principal substation layouts, the effects of advancements in substation equipment, modular design, compact substations, and the moves towards design and construction turnkey contract work. Both the primary and secondary design merge the existing technology and new.
Substation equipment an overview sciencedirect topics. Ghantoot group electrical project division project gallery. Begad junior engineer, 220kv gss, bhinmal submitted by. Substation equipment, substation equipment manufacturers. A report on summer training undertaken at 2202 kv substation at bhinmal jalore under the guidance of er. The 21st century substation design power systems engineering. Operation of two circuit breakers is required to 102 substation layouts figure 3.
Ge provides cost effective solutions to facilitate the electric stress control of your equipment. Scribd is the worlds largest social reading and publishing site. Commissioning process for new substation equipmenthayes. Aug 1, 2011 a construction of new 3311 kv primary substation. Providing 2x100mva, 220 2 kv transformer and 1x100mva, 220 33 kv transformer, its bays along with allied switchgear and protective equipments, 4nos.
The hit plus transformers also combine extremely reduced. Our bushings for electrical transmission offer ac and dc solutions with highvalue customer benefits. Substations structures including equipment structures, gis equipments and associated outdoor equipments conforming to technical specification and as per schedule, civil. Tenderers shall submit their offers only on prescribed forms. Wellequipped design, engineering and execution team to cater substation projects upto 765 kv in short term. The study of 220kv power substation equipment details eep. Construction of transmission and distribution lines. Mediumvoltage shielded power cable 2 kv up to 35 kv. Presentation on industrial training in 220kv substation ig nagar, jaipur on the topic operation and maintenance of ehv equipment and trannsmission system. It is used to switch generators, equipment, and circuits or lines in and out of a system. A wide variety of 110kv substation options are available to you, such as power, current, and electronic. Substation switching schemes electrical engineering portal.
At a pressure of v applied between each live conductor and earth for a period of one minute the insulation resistance of hv installations shall be at least 1 mega ohm or as specified by the bureau of indian standards. Substation equipment substation devices latest price. Design, supply erection, testing and commissioning of 336. Sample solution for substation nonexecutive with equipment against the walls cei 994, fig. Construction of a new 230 kv circuit from the miguel substation to a newly constructed main street substation. This is accomplished by suitable apparatus called substation. Single line diagram of 11kv substation substation provides the energy supply for the local area in which the line is located. Pgcil, new delhi 400220 kv gis substation with central. Technical specification construction of 3311 kv primary sub. Switchgear and substations electrical engineering portal. Various designs in use for the 211 kv substations success rates and time delays for switching at the distribution substations. Complete security of supply may be achieved by duplicating all circuits and substation equipment such that following a fault or during maintenance connections remain available. Phase two entails the construction of the overhead 230 kv double circuit transmission line and substation at its terminus.