This section briefly covers the maintenance practices techniques being adopted by the power utilities for switch gear equipments installed in ehv hv stations. You know, this record is always making the fans to be dizzy if not to find. Substation maintenance is a process of periodic, planned inspection of and, if necessary, repair, and replacement of all switchgear, buildings, and ancillary equipment in substation installations. Operation and maintenance of substation equipment and ehv. Single part bidding cc18aa01 1 10,00,000 2,000 interested bidders can participate by submitting the following up to 1500 hours on 14th march 2018. The grooves are fully rounded at entry to prevent conductor damage. Ehv substation connectors aec 16 first page previous page 10 next page last page. In this manual of specifications and standards t he manual, the following words and. Substation maintenance i substation maintenance ii when registering use promo code. Well, taking into consideration you are really dying of pdf, just pick it. Manual shall mean this manual of specifications and standards.
Substation equipment maintenance, tests and checkings eep. Pdf maintenance and operation of an electrical substation. Jul 31, 2017 ehv substation substation having either incoming or outgoing line have the following voltage level. Type testing is newly electrical system for the first time, considering its size, type of new installation, equipment used, ratings, etc. Maintenance of substation1 electrical engineering portal. The maintenance of the electrical equipment in substations plays a major role in. We can also plan, manage, and build multiphase projects. Vitaran company starts from the outgoing points of ehv substations at 33 kv or 11 kv. Substation design manual i reference ni000401r121 ver 2 ergon energy corporation limited abn 50 087 646 062 ergon energy queensland pty ltd abn 11 121 177 802 revision history version description of change approval date revised by 1 initial version 250320 draft 2a. Basics, maintenance, and diagnostics xi contents continued page 9. Webinar substation the basics of a substation configuration. Common configuration of ehvehv and ehvhv substations.
Interconnection of power plants of the national or area electrical grid. Substation layout equipments of ehv substations at voltage levels of 2 kv, 220 kv, 400 kv and 765 kv. Part i deals with preventative maintenance of substation. Minimum requirements for maintenance of transmission and. Ehv ehv and ehv hv 1 substations are an important element of the electricity transmission network of a country or of a large area of a country and their functions are. Dec 31, 2015 aluminum is used widely in ehv and hv stations. Substation maintenance this fiveday lecture and demonstration course is a comprehensive overview of the maintenance requirements of power and distribution substations.
Oct 18, 2017 this webinar discusses the basic configuration of a substation as well as the key players involved with operations and control of transmission and distribution circuits. Maintenance procedures of ehv transmission lines 96117. Eds 030300 battery and charger specification for grid. In simple terms, substation maintenance is a regimen of regular preventative checks and actions carried out.
Abb supports customers developing pragmatic longterm maintenance management strategies to improve reliability, minimize service disruptions, enable. Introduction testing and commissioning of electric substation equipment is essential to the start design of a given type of manufactured item. Minimum requirements for maintenance of transmission and zone substation equipment amendment no. Modernisation of transmission system in msetcl jaolikar s. Tailored maintenance strategy to suit substation maintenance needs abb can provide support to enable optimized maintenance management strategies for substations. Major maintenance circuit breakers are subjected to an internal component.
Aluminum alloy spacers for two cables are designed for corona free service at 345 and 500 kv respectively. Substation electrical configurations and reliability 1. Heres a comprehensive reference on how to operate and maintain all the essential components of substations. Operation and maintenance of a gas insulated substation. Maintenance shall include visual inspection, adjustment, replacement or repair carried out on equipment, subsystems or systems which results in the item undergoing attention being preserved within maintenance tolerances or returned to its design tolerances. Ehvehv and ehvhv substations may have several configurations topologies, depending on the requirements of the continuity, the reliability and the quality of power supply. Nonrefundable tender fee, as indicated in table above, in the form of demand draft. Step up and step down voltage of the distribution network to suitable values for networks operating. This will enable the optimum use of the capacitors to improve power factor. During mid 1995 there was some thoughts that we were performing more maintenance than necessary on our transmission and substation equipment. Impact of new grid developments on substation design. Solutions for electrical substation maintenance smc. Tested to the highest standards, our newly redesigned ehv substation connectors for use with cable applications are the talk of the industry. Many failures can be detected during the electrical substation maintenance routines, reducing the risk of significant plant downtime, and preventing future problems.
Seamless extruded aluminum tube for use with conventional hex. Oct 05, 2016 maintenance of ehv substation abstract. These standards created and made available are for the construction of ergon energy infrastructure. Solutions for electrical substation maintenance a well planned electrical substation maintenance assures reliable supply and reduction in failures. Based on a customers selected maintenance strategy, each set of equipment has its own set of detailed maintenance plans. Maintenance of ehv substation ieee conference publication. Substation operation and maintentance heres a comprehensive reference on how to operate and maintain all the essential components of substations. Standard for preventive maintenance programs 201516 to 201920. Substation equipment, testing, is and iec standards. Ehvextra high voltage sld single line diagram pt potential transformer ct. With your download, get the 23 best papers relevant to this one, including 17 top related papers. Ehv substation substation having either incoming or outgoing line have the following voltage level. Substation engineer resume samples and examples of curated bullet points for your resume to help you get an interview.
Operation and maintenance of substation equipment and ehv transmission lines in this case, the tap position should be reduced, so as to keep the voltage up to the normal value. Uhvac substation and main electrical equipment sciencedirect. Manual on ehv substation equipment maintenance by author g. Today well be using our industry and utility experience, but your engineering firm, the. It protects other substation equipment from lightning and switching surges by suppressing them to ground. Substation interview questions answers engineering tutorial. Substation care is one of the most important parts of any electrical departments preventative maintenance schedule. Maintenance of substation chapter 1 general philosophy 1. Electric utilities are thus required to develop and maintain sound power networks. Theres no one answer to a perfect substation maintenance. Tenders for epc for 400 kv multicircuit transmission line. Substation operation and maintentance alexander publications. Lightning arrestor is the first equipment of the substation connecting the incoming transmission lines. Customer substation manual 6272019 preface page 8 of 82 010.
Energizied substation construction projects are never a problem. A survey on the substation maintenance practices in a saudi electric utility was carried out. The manual is prepared on the basis of power safety rules handbook and gerc power system safety standard by making necessary modifications. However, in the present scenario competitive market utilities are under tremendous pressure to bring down the maintenance costs. Guidelines for the substation maintenance electrician. This has led the utilities to adopt conditionbased maintenance.
The main electrical connection of the substation, generally known as the primary connection of the substation, serves to indicate the connection mode of such electrical equipment as the transformer, circuit breaker, disconnector, instrument transformer, busbar, and surge arrester, as well as the electrical connection between the substation. Download file pdf manual on ehv substation equipment maintenance fashioned thing. And also an attempt is made to cover the general maintenance of substation. Substation design manual i reference ni000401r121 ver 2 ergon energy corporation limited abn 50 087 646 062 ergon energy queensland pty ltd abn 11 121 177 802 revision history version description of change approval date revised by 1 initial version 250320 draft 2a content revised and additional content added. Substation maintenance electrician apprenticeship 1. Apply to designer, works manager, senior electrician and more. 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. Scope of this work includes replacement of existing old.
Minimum requirements for maintenance of transmission and zone. The single swage installation and easy to use inspection gauge allows for an even faster installation of ehv cables and a lifetime of high quality performance. It has also to ensured that high voltage and low voltage windings are. Substation equipment maintenance and checkings photo credit. This offer cannot be used towards courses already purchased or added to any other existing discounts.
Maintenance and operation of an electrical substation of. November this offer can only be applied to courses registered after october 17, 2017 and attended on or before november 30, 2017. Design using design manual, specifications, internal standards. Today we ll be using our industry and utility experience, but your engineering firm, the. Cbip has grown into an eminent organisation of international importance while. Basic substation configurations and the components avo training. Maintenance basis utilizing the epri tier classification for the substation.
Our capabilities include new construction, repairsupgrades, maintenance, and demolitions. Ehv construction substation construction, substation. Providing substation monitoring system sms at various ehv substations. Msetcl is providing sms at 26 numbers of ehv substations which includes all 400 kv substations along with 220kv and 2 kv substations attached to generating stations.
Pdf maintenance and operation of an electrical substation of 220. The same substation may have more than one type of configurations, depending of the voltage levels. The results of the survey revealed that the utility follows a timebased ma intenance concept. These standards ensure meeting of ergon energys requirements. What is the first equipment of the substation connected to the incoming transmission line. Manual on ehv substation equipment maintenance divan. This webinar discusses the basic configuration of a substation as well as the key players involved with operations and control of transmission and distribution circuits. It begins with an introduction to power distribution schemes and explains the purpose of substations in these schemes. Superintending engineer testing and communication circle vashi, msetcl 2 rajurkar s. Save your documents in pdf files instantly download in pdf format or share a custom link.
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