To better understand the importance of electrical substations, lets start with a discussion about the structure of the power systems and their main components. Components and substations for electrical transmission and. Advances in substation equipment technology have led to increased unit capacity, smaller size, and environmental preservation. Maintaining substation reliability using an asset management strategy from electricity today, octobernovember 2000 by joe nichols and bob matusheski as a result of economic pressures caused by deregulation, utilities are looking at new ways to approach the. Substations equipment maintenance electric power systems. Pdf improvement of fragilities for electrical substation. Electrical substation general equipments electrical. The electricity substation is a network of electrical equipment which is connected in a structured way in order to supply electricity to end consumers.
But in nearly all cases, the highest field is usually produced by the lines and cables supplying the substation and not by the equipment inside the. Maintaining substation reliability using an asset manageme. Design guide for rural substations usda rural development. About 47% of these are power distribution equipment, % are transformers.
Federal and state environmental permit information was also included in this document. In the fault situations the electric apparatus and systems become dangerous to humans. Customer substation manual 6272019 preface page 8 of 82 010. Basic substation configurations and the components avo training.
This bulletin provides a basic design guide and a reference tool for designing rural substations. Steel structures provide support for insulators, which are used to terminate lines, and support buses. This substation shows elements of lowprofile construction. Electrical distribution substation outdoor, power substation. A 50 hz electrical substation in melbourne, australia.
Electric power may flow through several substations between the generating plant and the consumer. Substation substation a station in the power transmission system at which electric power is transformed to a conveniently used form. An electrical substation is a subsidiary station of an electricity generation, transmission and distribution system where voltage is transformed from high to low or the reverse using transformers. Substation equipments electrical substation electric.
Substation equipment 42 items knowledge of the properties, operation, and associated symbols of various substation equipment including. They generally use synchronous condensors as power factor improvement equipment 12. Pdf familiarization of 400 kv, 220 kv, 2 kv substation. Forster electrical engineering will work with you to select a substation site, obtain required permits and authorizations, design the substation, prepare bidding documents plans, specifications, equipment, and material lists for substation construction, assist in the bidding process, and supervise construction to final. 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 system. The electrical substation is the part of a power system in which the voltage is transformed from high to low or low to high for transmission, distribution, transformation and switching. Sep 16, 2012 all but the smallest substations include auxiliary power supplies. Electrical substation data collection energy application electrical substations are secondary stations of electricity generation, transmission and distribution systems where voltage is converted from high to low or the reverse using transformers. Substation equipment substation devices latest price. 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. Familiarization of 400 kv, 220 kv, 2 kv substation equipment electrical engineering. Those substations which improve the power factor of the system are called power factor correction substation. Substations receive electricity from a transmission line and reduces it to distribution voltage.
Manual for transmission lines and substation construction and. Thousands of new, highquality pictures added every day. What are the basic requirement of electrical substation. Introduction the primary purpose of an electricity distribution system is to meet the customers demands for energy after receiving the bulk electrical energy from transmission or subtransmission substation.
Pdf development of an electrical substation equipment. In daily life of the electrical equipment of a substation, in addition to normal steady situations we have abnormal situations such as short circuits and overvoltages. Substations are where electricity lines are connected and switched and where the voltage is changed by transformers. Introduction in our present society that is greatly dependent on electric power, substation technology plays an important role in the stable and highquality transmission of electric energy. The substation design manual is not intended to replace asset management standards, but rather.
Yuebian is qualified substation distribution supplier with years of experience,find electrical power substation in hot sale at. Numbers of breakers, disconnect switches, transformers, auxiliaries, protective devices, lines and other equipment. Jan 26, 2017 first thing you need is a transformer of suitable rating coz transformer is the heart of any substation, a backup transformer, if required and other accessories to safely use and control the power fed into and taken out of the transformer. Substation structure design guide provides a comprehensive resource for the structural design of outdoor electrical substation structures.
The electric power substation, whether generating station or transmission and distribution, remains one of the most challenging and exciting fields of electric power engineering. Substation layout substation layout single line diagram check. Development of an electrical substation equipment performance database for evaluation of equipment fragilities. Maintenance optimization for substations with aging equipment. Unit substations usually contain high and low voltage disconnect switches, one or two threephase transformers, low voltage breakers, high voltage fusing, bus work, and relays. It also is used to change ac voltages from one level to another, andor change alternating current to direct current or direct current to alternating current. Substations need to be robust, built with products that last. New and used electrical secondary substations for sale savona equipment is a secondary substation supplier in north america and worldwide. Fundamentals of modern electrical substations part 3. A substation is a part of an electrical generation, transmission, and distribution system. The station may consist of transformers, switches, circuit breakers and other auxilliary equipment. 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.
Electrical energy systems components and substations for electrical transmission and distribution systems b. This substation is constructed using steel lattice structures to support strain bus wires and apparatus. Tikhodeev encyclopedia of life support systems eolss into substation equipment systems. The equipment like bus bars, isolator, power transformer etc. The substation buses are currentcarrying devices that interconnect the individual pieces of substation equipment. The unit substation is a relatively recent development. Alternating current substation bonneville power administration. 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. Electrical substation equipment for transferring of electrical power from generating unit to distributing units various types of electrical equipment are required. They range from the very large to the very small see below for a guide.
Furnish one print of each final drawing and a copy of instruction manual with equipment. Substation site selection substation designs range from 8 kv to 4 kv. The substation bus tubing or bus bar is aluminum or copper. Bil levels and maximum continuous operating voltages for substation. With its policy of quality, safety, reliability and timely completion of projects, antelec has successfully managed to carve its niche in the field of electrical engineering and contracting in india. We offer a complete line of high quality substation equipment that meets or exceeds industry standards. Substation equipments free download as powerpoint presentation. Part 1 also provides an overview of substation major equipment, explaining the mission, and arrangement of each component. Electrical substation components list diagram, working. The manual is applicable for all substation projects regardless of internalexternal design delivery mode. Performs intermediate technical work in the installation, inspection, repair, and maintenance of electric substation equipment. Bpa operates approximately 27,000 major serial numbered pieces of high voltage electrical outdoor. These are generally located at the receiving end of transmission lines. Part 3 of the course fundamentals of modern electrical substations is concentrated on substation engineering aspects, which may be very challenging and require from utility companies engineers a very diverse knowledge and experience to address these aspects.
Ge, haifeng, maintenance optimization for substations with aging equipment 2010. Short circuit and current capacity of equipment, bus and other equipment compliance with projects scope and requirements number of feeders and load circuits. Pdf a database has been developed that documents the performance of equipment at selected substations in twelve california earthquakes. Recent technological develop ments have had a tremendous impact on all. Substation operation and maintenance policy and procedures som sf 6 reference guide f. A wide variety of electrical substation options are available to you, such as usage, phase. Substations transform voltage from high to low, or the reverse, or perform any of several other important functions.
Substation, switchgear and equipment maintenance and testing. May 02, 2018 you would need primary high side breaker, secondary low side breakers on a step up substation. Fundamentals of electrical substations and switchgear. A database has been created that contains data related. Find electrical substation stock images in hd and millions of other royaltyfree stock photos, illustrations and vectors in the shutterstock collection.
Ac power is required for substation building small power, lighting, heating and ventilation, some communications equipment, switchgear operating mechanisms, anticondensation heaters and motors. A substation is a highvoltage electric system facility. Critical substation risk assessment and mitigation jacques delport general audience abstract substations are key components to the continued and reliable operation of the power system. Fundamentals of modern electrical substations part 1. A unit substation is factory built and tested, then shipped in modules that are bolted together at the site. In the case of a generation facility the opposite occurs voltage is increased. The power transformer, circuit breaker, busbar, insulator, lightning arrester are the main components of an electrical substation. Electrical substation general equipments free download as powerpoint presentation. This bulletin is an update and revision of previous rea bulletin 651, design guide for rural substations revised june 1978. Development of an electrical substation equipment performance database for evaluation of equipment fragilities technical report pdf available january 2001 with 3,947 reads how we measure reads. Electrical substations projects in mumbai, antelec ltd.
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