Distribution substation an overview sciencedirect topics. Owners supply materials osm 3311 kv power transformers, station 330. It is shown that a transmission line always has a critical point, with resonance overvoltage appearing in transformer windings if a lightning strikes at this point. Solutions for electrical substation maintenance a well planned electrical substation maintenance assures reliable supply and reduction in failures. Bharat heavy electricals limited high pressure boiler plant tiruchirappalli 620014. The 110kv vsip substation was started on july25, 2018 and completed on january8, 2019, after only 5 months of construction.
Lightning overvoltage performance of 110 kv airinsulated substation article pdf available in electric power systems research 8. A 110 to 330kv substation protection against lightning surge coming from transmission lines is considered. 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. Pdf lightning overvoltage performance of 110 kv air. Report on industrial summer training on 220 kv substation. The batteries used in this substation are nickelcadmium nicd batteries. Substation operation and maintentance heres a comprehensive reference on how to operate and maintain all the essential components of substations. Basic substation configurations and the components. Facilities instructions, standards, and techniques.
Need has been felt for a hand book on maintenance aspects of electrical general services substation. Depending upon the availability of resources these stations are constructed. Electrical substation now days the electrical power demand is increasing very rapidly. Elvis substation maintenance hannu hatonen fingrid oyj.
The dc supply is made with the help of battery bank reserve normally kept in a separate room called battery room. Hkkjr ljdkj government of india ministry of railways. The siemens experts always consider the electrical parameters as well as the environmental conditions to which a. Operation and maintenance of 3311 kv substation this three are equally important for proper electrification, without any one of this three the electricity system will be incomplete. This is showing three of the five 220 kv66 kv transformers, as well as highvoltage transformer fire barriers, each with a capacity of 150 mva. Construction of substation 1103510 kv kotor and 110 kv. Established in 2012, the agency comes under the authority of the department of power. This book can be used as a secondary vocational education teaching books. Substation maintenance i substation maintenance ii when registering use promo code. Scribd is the worlds largest social reading and publishing site. Siemens highvoltage substations with airinsulated switchgear ais are the costefficient choice for rated voltages of up to 800 kv. Construction of substation 11035 10 kv kotor and 110 kv overhead line tivat kotor the construction of ss 1103510 kv kotor skaljari and 110 kv ohl tivat kotor is the project of the connection of one of the most important tourist centers in montenegro to the transmission network, whereby difficulties in power supply would be.
The control panels and relays of the substation required dc supply of 110 v. In the mid1980s, several electric power research institutes epris successively introduced the more advanced optical mechanical scanning thermal imager, carried out the substation equipment fault detection test and the helicopter patrol infrared detection test of 220 kv and 110 kv transmission lines, and obtained good results. This substation is one of the key projects of evn in order to supply electricity to vietnam singapore industrial park at quang ngai province, vietnam. Solutions for electrical substation maintenance smc. These power generating stations may be hydroelectric, thermal or atomic.
This paper presents the analysis of lightning overvoltage performance of 110 kv airinsulated substation connecting hydro power plant with the rest of the power system. There are 361 suppliers who sells 110kv substation on. Substations fact sheet alrosa, russia modular 1103510 kv substation and emergency and mobile substations 11010kv power supply for a new diamond mining site, easily transportable solution with reduced complexity and installation time, accommodating difficult local conditions abb response factoryassembled containerized hv gis ss. Manual for transmission lines and substation construction. Maintenance and operation of an electrical substation of. Technical specification construction of 3311 kv primary substations. Lightning overvoltage performance of 110 kv air insulated. 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. Single line diagram of 33 or 11 kv 440 v substation figure 1. Details of substations under transmission wing as on 30. A 50 hz electrical substation in melbourne, australia. A substation standards switch operating platforms steel design and details 49. Substation, switchgear and equipment maintenance and testing.
Example of substation design electrical part 65 14. Handbook on maintenance of electrical general services. This section details out the scope of supply and services for 110 kv substation bay extension with associated auxiliaries as. Statistical evaluation of standardization in substation maintenance marcus sanford consulting. Electrical power substation engineering and layout. Substation operation and maintentance alexander publications.
Interesting question throws up more questions rather than replies, from my experience angle. The transient pressure happening during and after a breaking procedure e. For safety consideration must be given to the maintenance of regulation clearances, facilities for carrying out repairs and maintenance, abnormal occurrences such as. In a substation there are numbers of incoming and outgoing circuits each having its isolator, circuit breaker, transformers etc. Our engineers have completed substation testing and maintenance including power transformers, switchgear from 600 v to 35 kv, overhead and industrial switches, reclosers, relays, breakers and regulators for over 20 different utilities and industrial customers. The manual is applicable for all substation projects regardless of internalexternal design delivery mode. Supply in the package materials have been classified as under i. Power grid company ltd is the bpdb bangladesh power development board wound company which is the only authorized company for the electric power transmission. This three are equally important for proper electrification, without any one of this three the electricity system will be incomplete.
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. Equipment and materials proposed budgetchinese edition li shi feng duan chuan zong on. This substation is constructed using steel lattice structures to. Comparison of gis and ais systems for urban supply networks. A wide variety of 110kv substation options are available to you, such as 3. The selected 11010 kv olympic substation, for the pilot implementation of a centralized digital pac system, contains two power transformers, two incoming 110 kv overhead power lines and 40 feeders connected to four 10 kv busbars. Customer substation manual 6272019 preface page 8 of 82 010. Your first figure looks like a distribution center and your 2nd figure like a coal based generation center. Single line diagram of 33 or 11 kv440 v substation figure 1. Many failures can be detected during the electrical substation maintenance routines, reducing the risk of significant plant downtime, and preventing future problems.
Substations fact sheet alrosa, russia modular 1103510 kv. We provide a wide range of services to suit a variety of budgets and scheduling constraints. Substation equipment an overview sciencedirect topics. The substation design manual is not intended to replace asset management standards, but rather. Unit transformer substations with voltage of 35, 110, 220 kv. Electrical general services substation is a distribution substation from which electric supply is distributed to the different users. The transformer protection against resonance overvoltages can be implemented using ground.
This main substation is configured as a double busbar system, allowing maintenance to be carried out on one busbar without having to deenergize the complete station. Under the regional power transmission enhancement project, gse implemented the construction of a new 220110kv substation khorga with 220kv and 110kv line bays, two 22011010kv autotransformers and associated equipment. Dec 21, 2016 centralized substation protection and control has been attempted in the past based on the available technology. Operation and maintenance of 3311 kv substation eep. Substations equipment maintenance electric power systems. For fulfilling these huge power demands the modern time requires creation of bigger and bigger power generating stations. Perunad substation inaugurated by minister aryadan muhammed.
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