Before a power line is built, Duke Energy acquires easements from property owners along the selected route. ; 4 Final files will be provided in any format. Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. WebDuke Energy Transmission DECorp: Duke Energy Midwest . Createlogodesign were fantastic. Its purpose is to assist electrical contractors, engineers, architects, and manufacturers engaged in the installation of electrical service wiring and equipment. endobj down from each of the ends of the long sides. These cookies help provide information on metrics the number of visitors, bounce rate, traffic source, etc. When speaking to consulting engineers on this topic, we've found that they recommend the cable be sized for the transformer's nameplate rating. When testing a transformer for sound level, you should recognize that all transformers, when energized, produce an audible noise. This type is the most common to be used in the building indoor electrical system distribution. thick with chamfered edges on top of the base and footings extending 20 in. endobj Division 01 - General Requirements Division 02 - Existing Conditions Division 03 - Concrete Division 04 - Masonry Division 05 - Metals Division 06 - Wood, Plastics, and Composites If the structure is wooden, round or square concrete, or metal lattice tower or H-frame (a two-pole structure) and typically over 60 feet tall, it is a transmission structure. The finish on the logo was outstanding, and consequently we are looking to work with them on future projects. If trees or tree limbs fall and tear down power lines, the downed power lines may still be energized while in the air or on the ground. Advertisement cookies are used to provide visitors with relevant ads and marketing campaigns. Necessary cookies are absolutely essential for the website to function properly. With the exception of emergency situations, we attempt to ask permission of the property owner before taking down trees in maintained or landscaped areas. Great service. Box of 1 Unit Trade Account Log In Log In to view price Specifications Products specifications But opting out of some of these cookies may affect your browsing experience. Tree placement in relation to overhead power lines is critical in order to preserve the natural size, shape and overall integrity of the tree and protect the intent for which it was planted. ; 2 Unlimited revisions. 2067 0 obj <>/Filter/FlateDecode/ID[<40F8DD91F560784FAE35A61D83A94C90>]/Index[2043 102]/Info 2042 0 R/Length 116/Prev 852971/Root 2044 0 R/Size 2145/Type/XRef/W[1 3 1]>>stream With Duke Energys Builder Portal, you have the tools you need to get it done, right at your fingertips. Typically, the property owner should make the request. After I submit activities, construction or landscaping plans, what type of authorization will I receive for the use of a Duke Energy easement? Why are you trimming or cutting down my trees? Access to the Contractor Portal requires username and Exception: Meter socket and current Learn about the current state of the retail & distribution industry, and developments in technology. Retail & Schools Depending upon the size and load requirements of the facility, the large majority of schools (except for some very large universities) and retail facilities are served by Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies. Some principles to consider for transformer installation include locating them in isolated rooms with proper ventilation, clearances, and accessibility. 1 0 obj When planning the installation, you should select a location that complies with all safety codes yet does not interfere with the normal movement of personnel, equipment, and material. Sometimes, when testing is carried out at the manufacturer's plant, the manufacturer will also allow a purchaser or a representative, such as a consulting engineer, to witness the tests. Trees can disrupt power in a number of ways. This category only includes cookies that ensures basic functionalities and security features of the website. For units with ratings above 500kVA to 2500kVA, a typical concrete base would be 8 ft by 9 ft and 10 in. Both the voltages and currents should change in a similar fashion. If the load-side voltage is high, tap connections above 100% of line voltage must be used to lower the load voltage. The greater the differences in these parameters, the greater the magnitude of the circulating current. We are delighted with the end result, it looks incredibly professional. Duke Energy Florida Power & Light Gulf Power Company Oklahoma Gas & Electric Tampa Electric 6. As appropriate, you should make arrangements to adequately support the incoming/outgoing connecting cables to ensure that there is no mechanical stress imposed on transformer bushings and connections. Our site is customized based on your location. hkO0ibv*JmG[$ How it Works. F. Transformers located next to loading docks, truck ramps, truck backing areas, shall have a minimum clearance from curb to transformer pad of eight (8) feet, to accommodate (clear) the rear overhang of a truck trailer. PADMOUNT EQUIPMENT INSTALLED AT INTERSECTIONS S=9X^&>``AT#l2} ppC_H. It is mandatory to procure user consent prior to running these cookies on your website. Both projects included dry-type 480 V, 3-phase to 208 Y/120V V step-down transformers (in NEMA 2 enclosures), ranging from 15 kVA to 112.5 kVA in the electrical system distribution design. The above simple calculation meets the intent to achieve the normal life expectancy of a transformer, which is based on the following basic conditions: Transformer selection starts with the kVA rating required to supply the loads connected in the electrical system. The expense associated with testing represents a larger portion of a small transformer's cost compared with the testing cost of a large kVA unit. These application types include: Indoor distribution transformers are used with panelboards and are separately mounted to supply the specific electrical load requirements in a system-specific application within the system distribution. Only line clearance qualified personnel should perform tree work around or adjacent to power lines and electrical equipment. This article will continue in subsequent issues of EC&M. This website uses cookies to improve your experience while you navigate through the website. To provide reliable service, Duke Energy must prune or remove trees along the power lines. However if you are not satisfied, we refund the entire amount you paid us - no questions asked. It was great service with real professionalism from start to finish. When you start making the connections between the transformer's terminals and the incoming and outgoing conductors, carefully follow the instructions given on the nameplate or on the connection diagram. How to Safely Restore Power When a Breaker Trips, Code Quiz: Transformer Rating Limitations, Nonresidential Construction Spending Increases in November, Code Conversations Podcast How to Determine Which Piping Systems Need To Be Bonded to the Common Grounding Electrode Conductor, The Top 10 Most Commonly Cited Electrical Code Violations, The Most Popular Code Quizzes of the Week from 2021, The 10 Most Popular Photo Galleries of 2021, Whats Wrong Here? You also have the option to opt-out of these cookies. Envelope Design.. 24 business hours turnaround time on initial logo designs, Unlimited revisions until you are 100% satisfied with the designs, Dedicated team of logo designer for each order, Unsurpassed quality at an unbeatable price, 4design concepts in first set of logo design. gz&E6;ZdEv;z~gx You should check the internal connections with the diagram on the nameplate to make sure they are correct for the application. A number of these tests are done on the plant floor, while other tests are conducted usually after delivery is made. Also, with this information, it will be easier to plan site arrangements. //--> If our attempts to notify you are unsuccessful, work will proceed without further direct notification. Clay soils are compressible and can cause problems that may require stabilizing back-fill. The weight distribution should be studied by examining the inside of the transformer enclosure for dry-type units. When does Duke Energy obtain permission to trim or take down a tree? A separate secondary bus enclosure is required whenever the customer is installing. hb```f eaak \6XBt+eNHPY0?P0dTh D>+30mg`T}n303c2bpa4%u`(00m] 9>b`28 *> [CDATA[// > there may be local nonprofits that will collect and distribute wood to those in need this type the... No questions asked general characteristics will allow the designer and end user to the. Footings extending 20 in a low-voltage ( 600V and below ) transformers when! Separate secondary bus enclosure is required whenever the customer is installing such stress could cause a bushing crack... Owners along the power lines and electrical equipment due to long cable runs usually after is., lateral bracing and/or an extra solid anchorage will be required equipment installed at INTERSECTIONS &...

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