A survey on the substation maintenance practices in a saudi electric utility was carried out. Monitor electrical values for a simulated miniature power substation. Subtotal cost of maintenance activities per mini substation the below supporting activities must be conducted in conjunction with the above priced activities. Substation maintenance inspection checklist use this substation maintenance inspection checklist to conduct a detailed investigation of each substations equipment. Eaton s minipower center incorporates an encapsulated transformer, interior, primary and secondary main circuit breakers in to a single assembly. Electrical substation components list diagram, working.
In case where all transmission lines have the same voltage. A transmission substation connects two or more transmission lines. Substation transformer installation, operation, and maintenance instructions and parts replacement information coope ower effective june 2016 series supersedes s2101510 february 20 substation transformers mn202002en. Airports company soc ltd invites tenders for the maintenance of mv switchgear, transformers, ring main units and minisubstation at or tambo international airport.
It represents a considerable saving in site labour, saving of space in residential areas and on sidewalks and hence a reduction in costs. If applicable ensure that the joint between the fixed and moveable portions of the gear is in sound condition. The mission of femp is to facilitate the federal governments implementation of sound, cost. The minisubstation has become a permanent feature of electrical engineering. Other requirements of the substation electrical system 56 10. Pdf maintenance and operation of an electrical substation. Dec 25, 2018 the electricity substation is a network of electrical equipment which is connected in a structured way in order to supply electricity to end consumers. With your download, get the 23 best papers relevant to this one, including 17 top related papers. Primary voltage 11 000v secondary voltage 420v frequency 5060hz 50hz impedance % 5 vector group dyn11 hvlv winding material al welded or bolted cover welded tap switch yes trffittings. We collected most searched pages list related with mini project on 33 11kv substation report pdf and more about it. Maintenance of mv switchgear, transformers, ring main. Tambo international airport ort 1012017 tender notice and invitation to bid t1. Microcontroller for our project we will use the pic18f4550.
Item activity scope of work activity cost per minisubstation. A mini project operation and maintenance of a 2202 kv. The mini substation has become a permanent feature of electrical engineering. This type of maintenance occurs on a regularly scheduled basis. Electrical distribution substation outdoor, power substation. 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. Are you looking for mini project on 33 11kv substation report pdf. This allows the panel section to be removed and wired first, if desired.
Minipower centers are ideally suited for applications where 120 volts are required at a remote location, such us parking lots, workbenches, and temporary power on construction sites. Transformers boards and panels switchgear ocbs, gas and air breakers ht cables joints, terminations ext. 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. Maintenance basis utilizing the epri tier classification for the substation. Maintenance of mv switchgear, transformers, ring main units. Substation transformer installation, operation and. The input for a distribution substation is typically at least two transmission or subtransmission lines. By 1991, we had four infrared cameras for substation use. A mini project report on operation and maintenance of. Apply to senior electrician, wind turbine technician, technician and more. The new transformer simply slides into the top of the. Course focus is on medium voltage circuit breakers air. Medium voltage products technical guide the mvlv transformer.
The mini powerzone unit substation from schneider electric is a miniaturized version of our powerzone unit substation. During mid 1995 there was some thoughts that we were performing more maintenance than necessary on our transmission and substation equipment. Heres a comprehensive reference on how to operate and maintain all the essential components of substations. Minimum requirements for maintenance of transmission and. Installation, maintenance, replacement, and repair of the articles to be furnished under the specifications and these standards. Distribution substation a distribution substation transfers power from the transmission system to the distribution system of an area. This offer cannot be used towards courses already purchased or added to any other existing discounts. All rus borrowers rus electric staff effective date.
Design guide for rural substations design guide for rural substations. The electricity substation is a network of electrical equipment which is connected in a structured way in order to supply electricity to end consumers. The minisubstation monitoring system will be comprised of a functioning substation protection relay, wireless communications, a data collection and monitoring device, a graphical user interface, and a fault recognition and notification system. Ensure that a free passage for oil and gases exists. Tennessee valley authority, chattanooga, tennessee. Substation operation and maintentance alexander publications.
Substation maintenance i substation maintenance ii when registering use promo code. Department of energys federal energy management program femp. 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. Whether for work above or below ground in these industries, we produce personal protection equipment and specialty tools for work positioning, retrieval, fall restraint, fall arrest and suspension work applications. Distribution voltages are typically medium voltage, between 2. South african national standard miniature substations for. Basics, maintenance, and diagnostics xi contents continued page 9. Introduction for many years tennessee valley authority tva has performed substation inspections. As a part of case study we are going to visit a 2202kv transco substation in warangal.
The substations are mainly used to convert ac alternating current to dc direct current. Maintain a record of the most current readings and observations to ensure that all parts, from the main transformer, coolingheating systems, bushings, and tap changer tanks, to. We started with an entrance meeting before a substation survey. The microcontroller seen in figure 3 is the heart of the project. Center to start a substation predictive maintenance program. Oil gauge yes rating plate yes thermometer pocket yes drain and filler valves no trr.
Mini substations, minisub stations, rmu, sf6, transformers. Minimum requirements for maintenance of transmission and zone. Also the transformer can be replaced without disturbing the panel section and associated wiring. The mini powerzone unit substation uses a separate transformer and panelboard section.
This bulletin is an update and revision of previous rea bulletin 651, design guide for rural substations revised june 1978. Mini substation in south africa gumtree classifieds in. Primary main circuit breaker sealed stepdown transformer secondary main circuit breaker distribution panelboard because the mini powerzone unit substation is furnished as a complete package. This mini catalog is a sampling of the thousands of products we manufacture. Some types of substations are tiny in size with an inbuilt transformer as well as related switches. This model was chosen because of the number of pins available. Substation single line diagram sld a single line diagram sld of an electrical system is the line diagram of the concerned electrical system which includes all the required electrical equipment connection sequence wise from the point of entrance of power up to the end of the scope of the mentioned work. Substation configuration reliability 1 reliability of substation configurations daniel nack, iowa state university, 2005 introduction while one of the strongest points in a power system is the electric substation, it still contains what could be described as weak points or points of failure that would lead to loss of load.
A substation is an electrical system with highvoltage capacity and can be used to control the apparatus, generators, electrical circuits, etc. Gully boxes minisubstations audits on minisubstations installations of ht or lt electrical equipment. Only tenderers that satisfy the eligibility criteria as stated elsewhere in this document can tender. It seemed we had the equipment, but we were missing two key elements of communication and documentation. The new transformer simply slides into the top of the panel section, and the. Maintenance and operation of an electrical substation of. Inspections and tests in situ prior to putting into service 61. There is numerous electrical substation components like outgoing and incoming circuitry each of which having its circuit breakers, isolators, transformers, and busbar system etc for the smooth functioning of the. Standard mini substation 800kva 11 000v 50hz transformer information. Minimum requirements for maintenance of transmission and zone substation equipment amendment no. Primary voltage 11 000v secondary voltage 420v frequency 5060hz 50hz impedance % 5 vector group dyn11. The mini substation monitoring system will be comprised of a functioning substation protection relay, wireless communications, a data collection and monitoring device, a graphical user interface, and a fault recognition and notification system.
The table below is where the contractor will insert his price rates on. Distribution substations michigan technological university. Get details of mini project on 33 11kv substation report pdf. Mini substation monitoring system block diagram detailed iv. 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. Making any and all such drawings and reproductions thereof available to subsequent bidders and the contractors, where necessary for fabricating and furnishing articles connected with or. Note the cleanliness, terminals, earth connections, readings of counters, levels of quenching medium in case of oil circuitbreaker, pressure of quenching medium in case of sf 6 circuit breakers etc. Critical substation risk assessment and mitigation jacques delport dissertation submitted to the faculty of the virginia polytechnic institute and state university in partial fulfillment of the requirements for the degree of doctor of philosophy in electrical engineering virgilio a.
The following steps are involved in maintenance of circuit breakers. Mini substation monitoring system devin king, john blackburn, steve johnson, anish raj pant school of electrical engineering and computer. This course provides an overview for apprentices, technicians and engineers responsible for the maintenance and testing of industrial and utility substations. Substation construction manual page 2 of 57 reference ni000401r122 ver 3 ergon energy corporation limited abn 50 087 646 062 ergon energy queensland pty ltd abn 11 121 177 802 4. A mini project report on operation and maintenance of 2202kv power substation on photo. There is numerous electrical substation components like outgoing and incoming circuitry each of which having its circuit breakers, isolators, transformers, and busbar system etc for the smooth.
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