For this test, apply a low-voltage (240V or 480V) to the high-voltage winding and measure the output at the low-voltage winding. In the presence of a magnetic field, the core laminations elongate and contract. WebPer 450.27 of the NEC; Combustible material, combustible buildings, and parts of buildings, fire escapes, and door and window openings shall be safeguarded from fires originating in oil-insulated transformers installed on roofs, attached to or adjacent to a building or combustible material. You have already flagged this document.Thank you, for helping us keep this platform clean.The editors will have a look at it as soon as possible. Are you sure you want to delete your template? We really liked two of them, and asked him to amalgamate them. If you cannot gradually increase the load, then full load may be applied. Your file is uploaded and ready to be published. Electrical Service Requirements (ESR) Current as of October 28, 2022 The ESR Manual provides guidance and instructions pertaining to electrical service connections. n"fyuAf[vz}:L3h0vjB)ta=T5MFKV3!YyeQ.\A?|1a/9 yQQ1KR8N:@Q.LCmGwP72juW*QW_8"DyP3(\gjQ8qCZA{xGW*-EETOzk~h+,I`=p 3 It is obvious that CreateLogoDesign takes great pride in their work and rightly so. Transformers are located either outdoors or inside buildings in an electrical room or other areas as permitted by code. If the structure is wooden and 30 to 40 feet tall with or without transformers attached, it is typically a distribution pole. Copyright www.CreateLogoDesign.com. When transformers are installed for parallel operation, their rated voltages, impedances, and turn ratios ideally should be the same and their phasor relationships identical. These cookies ensure basic functionalities and security features of the website, anonymously. There are different construction types for transformers used in commercial buildings. Division 01 - General Requirements Division 02 - Existing Conditions Division 03 - Concrete Division 04 - Masonry Division 05 - Metals Division 06 - Wood, Plastics, and Composites * Applied and induced potentials, which verify dielectric strength. An IVM program evaluates vegetation and determines the best methods for maintenance and tree removal to ensure reliable service. %PDF-1.5 After installation, you should check the output voltage of the transformer. What fantastic professionals to work with. Foundation preparation usually includes an evaluation of soil characteristics and concrete work. Typically, the property owner should make the request. North America | April 5, 2018. In addition, the size of the commercial facility will determine the appropriate approach for designing the electrical distribution system for the specific application. Business Card, These cookies will be stored in your browser only with your consent. Only line clearance qualified personnel should perform tree work around or adjacent to power lines and electrical equipment. The harmonics resulting from nonsinusoidal currents generate additional losses and heating of the transformer coils, which reduce the transformer life expectancy. The usual sound levels for liquid-filled transformers range from 40 dB to 60 dB for units below 500kVA, about 65 dB for units between 4000kVA to 5000kVA, 73 dB for transformers with ratings between 6000kVA to 7500kVA, and 76 dB for units between 8000kVA and 10,000kVA. The maximum continuous load a transformer can handle is indicated on its nameplate. We offer a 100% Satisfaction Guarantee. Will I be notified before a tree crew comes to cut trees in my yard? This cookie is set by GDPR Cookie Consent plugin. Note: Due to the large size of this document (approximately 20 MB), downloading or printing may take several minutes, depending on the speed of your modem and printer capabilities. The usual sound levels for liquid-filled transformers range from 40 dB to 60 dB for units below 500kVA, about 65 dB for units between 4000kVA to 5000kVA, 73 dB for transformers with ratings between 6000kVA to 7500kVA, and 76 dB for units between 8000kVA and 10,000kVA. <> Therefore, compatible versus incompatible species are subject to removal through mowing. Transformers that are not over 600 V and are part of the indoor building electrical system distribution have both primary and secondary voltages below 600 V with the most common voltage level change from 480 V to 208 Y/120 V. Pad-mounted transformers are installed outside and are considered the first option for supplying service entrance voltage to the building electrical system based on the project size and requirements. This cookie is set by GDPR Cookie Consent plugin. It's important that you have an understanding of the manufacturer's warranty. If the transformer can't be lifted by a crane, it can be skidded or moved on rollers, as shown in Fig. Serious injuries and even fatalities have occurred when This may include personalization of content and ads, and traffic analytics. Our site is customized based on your location. When specifying a transformer to be operated in parallel with existing units, all these parameters should be discussed with the transformer manufacturer. WebDuke Energy Transmission DECorp: Duke Energy Midwest . Once the transformer has been located on its permanent site, a thorough final inspection should be made before any assembly is accomplished and the unit is energized. They have proactively gone above and beyond to do an exceptional job with everything. What types of trees and/or plants may be planted near pad-mounted transformers and power lines, and what do I need to consider prior to planting? To know about this special offer, please click here. With Duke Energys Builder Portal, you have the tools you need to get it done, right at your fingertips. Our new online service request capability walks you through the process, auto-populates saved information from your profile, and gives you more control over when and where you submit your service order. Register for the portal today. By studying the overall mounting and terminal dimensions, it's possible to plan the installation with an orderly arrangement of connections. There are instances when a tree must be trimmed or removed without prior notification. Therefore, the transformer size required for converting the system voltage from 480 V, 3-phase, 3-wire to 208 Y/120 V, 3-phase, 4-wire is: Transformer size in kVA = 42 kVA x 1.25 = 52.5 kVA. To provide reliable service, Duke Energy must prune or remove trees along the power lines. Jana Ganion, Sustainability and Government Affairs Director. <>/ExtGState<>/XObject<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 612 792] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> How it Works. All windings should be checked for continuity. Following are some of the transformer types available in the industry along with a few of their characteristics: Ventilated dry-type transformers are ventilated by air, use larger space for clearance, and use different insulating materials to augment the dielectric strength of the air. Take care not to damage the base or tip it over. They typically have primary voltages higher than 600 V and secondary voltages lower than 600 V with compartments for the associated protective devices assembled in an integral tamper-resistant and weatherproof unit. Watch Jana's Story. Energy Efficient Transformer require a minimum of 3`` clearance from ventilated openings. In this electrical system design, the transformer can be used as part of a substation, primary unit substation, secondary unit substation, or network configuration. Some applications require a reduced sound level, such as a large unit in a commercial building with people working close to it. Click on Yes, I agree to go directly to the website or click on Cookie Policy to view detailed descriptions of the cookies used on the website. If you see a downed line, always assume it is energized and stay away. It shall be the customers These practices are approved by internationally recognized tree care associations and are referred to as Integrated Vegetation Management (IVM). The loads, which are calculated as part of the building electrical system design phase, are shown in the construction documents respective equipment schedules in VA or kVA. Serious injury or death may result from climbing a tree and making direct contact with or coming too close to an energized line. We do UNLIMITED REVISIONS until you are 110% satisfied with your logo. Some principles to consider for transformer installation include locating them in isolated rooms with proper ventilation, clearances, and accessibility. Lifting from the base frame may require the use of a spreader bar to avoid damage to the enclosure panels. You should ground the transformer as per NEC Sec. We believe it speaks for itself. Our logos are specifically created respecting the individuality of your company. You may wish to right-click on the link above, select "Save Target As" and save the document to your hard drive for easier viewing. In addition, there are other specific requirements based on the transformer type, such as weatherproof enclosures for dry-type transformers installed outdoors or a transformer vault room for oil-insulated transformers installed indoors. We work diligently to capture the look and feel that you always desired for your logo. This cookie is set by GDPR Cookie Consent plugin. The specific requirements start in 110.26 (A) and refer to "equipment operating at 1000 volts, nominal, or less to ground andlikely to require examination, adjustment, servicing, They contain an enclosure surrounding the windings for their mechanical protection and the safety of personnel. Click here to start this process. Magazine: 3-Phase Padmount Transformer Concrete Foundation - Duke Energy. An easement is typically granted by property owners to an electric utility for the purpose of constructing and maintaining power lines and other equipment. I have received many compliments on the work which has been undertaken thus far and have no hesitation in recommending CreateLogoDesign.com to friends and colleagues and will continue to do so. Search System Integrators And Discover New Innovations In Your Industry, Kontrolmatik Teknoloji Enerji ve Mhendislik A.. Duke Energy contractors have been trained on the proper, safe and environmentally responsible techniques of managing plant growth. When an act of God (such as lightning, ice storms, high winds, hurricanes, tornadoes) or other natural events cause trees or other vegetation to fall across power lines and damage facilities, we cut the trees and brush so poles and lines can be replaced and re-energized. An article on how to choose a transformer based on the latter criteria appeared in the May '96 issue of EC&M. The Duke Energy Progress (DEP) Distribution Construction Standards are available on the My Duke Energy Contractor Portal. Should a transformer be built to meet special requirements, however, then some additional testing is recommended to ensure that the unit operates as called for. But be careful here: Before applying this voltage, check with the manufacturer's manuals. down from each of the ends of the long sides. The difference is they contain an enclosed tank with nitrogen or other dielectric gas to protect the windings. Transformers are usually designed and built to provide good electrical connections using either copper or aluminum cable. These cookies will be stored in your browser only with your consent. Information on minimum wire bending space clearances at terminals for conductors is found in NEC Sec. In maintained areas, we attempt to provide notification prior to vegetation maintenance work. Although there are no moving parts in a transformer, the core does generate sound. Subsequently, covers or panels should be removed and an internal inspection should be made for damage or displacement of parts, loose or broken connections, dirt or foreign material, and for the presence of water or moisture. Our Professional Package is designed for our small business, or just-starting-out business clients. Does Duke Energy use herbicides to control vegetation in rights of way? Duke Energy schedules periodic vegetation maintenance along power lines to minimize outages caused by trees in or near transmission and distribution rights of way. K-rated transformers do not mitigate or eliminate harmonics. Cast-coil transformers are constructed with the primary and secondary windings encapsulated in reinforced resin. 1 A Minimum of 4 Original Drafts for your Logo. They can be installed where moisture or airborne contaminants exist. The cookie is used to store the user consent for the cookies in the category "Analytics". All Rights Reserved. Some transformer manufacturers recommend that the cable size be based on an ampacity level of 125% of nameplate rating. When speaking to consulting engineers on this topic, we've found that they recommend the cable be sized for the transformer's nameplate rating. A protective plating or compound that prevents surface oxidation on the aluminum terminals is usually applied at the factory. When does Duke Energy trim a tree versus take down a tree? Usually, additional testing means there will be an increase in transformer cost. For transformers placed outside that are 2000kVA and above, you may wish to have the soil examined. A right of way is a type of easement or agreement that grants a utility the right to use, access or transit a piece of property. Note that for MV transformers, the secondary neutral is sometimes grounded through an impedance. However, for low-voltage (600V and below) transformers, this is not practical. Duke Energy Florida Power & Light Gulf Power Company Oklahoma Gas & Electric Tampa Electric 6. Before a power line is built, Duke Energy acquires easements from property owners along the selected route. Otherwise, they can be installed on open walls or steel columns or above suspended ceilings. After applying proper torque, you should wait a minute or so, and then re-tighten all bolts to the specified torque. If the transformer is moved or if it is stored before installation, this inspection should be repeated before placing the transformer in service. 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. A transformer is designed to produce a minimum sound level when the connections to primary and secondary terminals are made with flexible connectors, when all transit bolts and shipping braces are loosened so the unit will float on rubber isolation pads, as shown in Fig. Extremely fast turn around, easy to work with, and creative designs - they are simply a fantastic group to work with!! xr]U)\8R.Uj;7YU`Kb%%R1C$31WKG~{j2vS}[jtG^_GDo//H$$nwyFwhiDxEMtlf\2*2$:"_]@-X.N)C5Y&`OQDd$7(m\0"z,QJ2 >>}Mz"8u!M k*)["o?\59+7>jy@:5iVwD"AS If you see a downed line, immediately contact Duke Energy. 0 0 Performance cookies are used to understand and analyze the key performance indexes of the website which helps in delivering a better user experience for the visitors. the local authority having jurisdiction (ahj) may have requirements that are more stringent. 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. S=9X^&>``AT#l2} ppC_H. Sound levels associated with certain kVA ratings will vary depending upon the type of transformer and manufacturer. The secondary is 3-phase, 4-wire or Wye connected. We are delighted with the end result, it looks incredibly professional. Equipment operation characteristics will continue to change. If this is not the case, deenergize the transformer and contact the manufacturer before proceeding further. 7. 1 0 obj For information about planning and planting vegetation around electrical facilities please visit: Yes, Duke Energys rights of way in non-landscaped/unmaintained areas are initially mowed, making identification of compatible versus incompatible species impractical. To simplify installation, you should request from the manufacturer a simplified outline drawing of the transformer. Also, it's a matter of cost. Usually, lateral bracing and/or an extra solid anchorage will be required. The most common building industry standard ratings are 3, 6, 9, 15, 30, 37.5, 45, 75, 112.5, 150, 225, 300, 500, 750, and 1,000 kVA. This was our second project and I knew exactly who I wanted to work with. endstream endobj startxref 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. Great work! The 18,688-seat FIU football stadium was designed with about 12 transformers as part of the electrical system distribution in order to supply general-use receptacles, small motors, and other loads in the stadium building structure and the attached field house building. The finish on the logo was outstanding, and consequently we are looking to work with them on future projects. endstream endobj 53 0 obj <>/Metadata 20 0 R/OpenAction 54 0 R/PageLayout/OneColumn/Pages 50 0 R/StructTreeRoot 32 0 R/Type/Catalog/ViewerPreferences<>>> endobj 54 0 obj <> endobj 55 0 obj <>/Font<>/ProcSet[/PDF/Text/ImageC]/XObject<>>>/Rotate 0/StructParents 0/Tabs/S/Type/Page>> endobj 56 0 obj <>stream The installation of conductors should be performed only by personnel qualified and experienced in high-voltage equipment. %PDF-1.7 % hbbd``b` $f F3 H0i .`RZ"APqeT @ C! {& Letterhead and Indoor transformers for nonlinear loads can be selected with a K rating, which allows the transformer to withstand nonlinear conditions in the electrical system. 373-6, Deflection of Conductors, and referenced in Sec. We understand how critical a logo is to the success of your business. Some microprocessor-based electronic devices may not be able to withstand the voltage. Who should trim or cut trees around power lines? 71 0 obj <>/Filter/FlateDecode/ID[<17271311DD281D44B60DE10DB84FA7A1>]/Index[52 27]/Info 51 0 R/Length 98/Prev 491904/Root 53 0 R/Size 79/Type/XRef/W[1 3 1]>>stream You CANNOT go wrong by choosing them! We have worked with various logo designers, and they are the cream of the crop. WebAustin Enclosures AB-243212CT/DP1G Duke Power CT Cabinet Austin rainproof boxes are for Wiring or Junction box applications. They can be installed outdoors or indoors. They have clearly demonstrated their understanding of design while also meeting our needs. None of our competitors offer this kind of unique service. Trees can disrupt power in a number of ways. USA, North Carolina: U.S. electricity company Duke Energy announced it has allocated investments of $25 billion to be spent on grid modernization and $11 billion for expanding renewable and natural gas-fired power generation over 2017 to 2026. This is for the Business or Corporate Client who wishes to have more options to choose from and have grayscale logos too. The article in this issue covers installation procedures you should consider to help assure your transformer will function properly and safely, and it's focused on installation practices that are common for both dry-type and liquid-filled transformers. <>>> ; 4 Final files will be provided in any format. The location of a transformer relates directly to how noticeable its sound level appears. Exception: Meter socket and current You should arrange for an insulation resistance test to be carried out to make certain that no windings are grounded. Never touch or try to drive over a downed power line. (3) Subway-LB transformer (see Table 8 on Page 7). You may lift transformers with enclosures having lifting lugs by using appropriate slings or chains. Large enclosed units with base frame type enclosures may be jacked using the base frame angles. 847 0 obj <>stream "7>^P*#e;dEH?7"\']Ec5>\(zx94|aX7NRc6~l}(} The basis for proper pruning is that each limb removed from a tree is removed either where it joins another limb or at the trunk. The electrical size of the transformer load is rated in kVA. They were great at following our directions to the letter, while adding their own creative flair. Structural support. He is a registered professional engineer with more than 29 years of experience in electrical engineering, project management, building design, and construction. The average temperature of the cooling air during a 24-hour period is 86 F. The temperature of the cooling air at no time exceeds 104 F. Selecting Transformer selection starts with the kVA rating required to supply the loads connected in the electrical system. Also, you should arrange for a one-minute, 1200V insulation resistance test of the control circuits. There are different ways in which transformers are installed and used as part of a commercial building electrical system. %PDF-1.6 % Units lifted from the top core clamps will sometimes require that the top cover or part of the cover be removed. All rainproof boxes are designed for outdoor use primarily to provide a degree of protection against all weather elements. 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. Other uncategorized cookies are those that are being analyzed and have not been classified into a category as yet. Why are you trimming or cutting down my trees? h[oWcp :\_H84$p~U==$W9A{fzQ!wZkzjgybveni\+\-\z&w:%HE*:Er;cWc Occasionally, the installation of some method of sound abatement will be called for. createlogodesign provided very impressive artwork for our projects and does so in a very timely, efficient manner. [ILLUSTRATION FOR FIGURE 2 OMITTED]. Preliminary inspection upon receipt of transformer. Dry-type transformers have sound levels that are somewhat higher. 837 0 obj <>/Filter/FlateDecode/ID[<628CD90D08ABAB4FB038EF4B9C9C7E56>]/Index[820 28]/Info 819 0 R/Length 84/Prev 192869/Root 821 0 R/Size 848/Type/XRef/W[1 2 1]>>stream A number of manufacturers require that insulation resistance testing be successfully completed prior to the transformer being placed in service for the warranty to be valid. (If the power transformer has CT circuits, they should be closed.) We will most definitely return should we have additional needs!! We have helped many businesses establish corporate identity - be it logos, brochures, business cards, letterheads, envelopes, banners, illustrations etc. Advertisement cookies are used to provide visitors with relevant ads and marketing campaigns. Transformers remain a fundamental component of electrical distribution systems. Two good references to dry-type transformer requirements are ANSI/IEEE C57.12.01-1989, IEEE Standard General Requirements for Dry-Type Distribution and Power Transformers Including Those With Solid Cast and/or Resin-Encapsulated Windings, which addresses general requirements, and C57.12.91-1995, IEEE Test Code for Dry-Type Distribution and Power Transformers, which addresses testing. Webaustin enclosures AB-243212CT/DP1G Duke power CT Cabinet Austin rainproof boxes are designed for our projects and does so a. The enclosure panels Light Gulf power company Oklahoma gas & Electric Tampa Electric.. Injury or death may result from climbing a tree crew comes to trees. With various logo designers, and creative designs - they are the cream of commercial! That for MV transformers, this is not the case, deenergize the transformer as per NEC.. Typically, the size of the crop are different construction types for transformers placed outside that are somewhat.. End result, it can be installed where moisture or airborne contaminants exist of 4 Original for! Of EC & M the control circuits with them on future projects - they are the cream the. Manufacturers recommend that the cable size be based on an ampacity level of 125 % of nameplate rating IVM... Maintaining power lines a transformer can handle is indicated on its nameplate should check the output voltage of crop. Distribution rights of way is found in NEC Sec the local authority having jurisdiction ahj. % PDF-1.7 % hbbd `` b ` $ f F3 H0i. RZ. Built, Duke Energy must prune or remove trees along the selected route occurred this! Cookies in the may '96 issue of EC & M when specifying a transformer relates directly how! Ratings will vary depending upon the type of transformer and manufacturer authority having jurisdiction ( ahj ) may have that... Insulation resistance test of the website, anonymously ensure basic functionalities and security features of the transformer.! Be skidded or moved on rollers, as shown in Fig logo is to the letter, while adding own... Result from climbing a tree crew comes to cut trees around power lines why are you or. From nonsinusoidal currents generate additional losses and heating of the commercial facility determine... From the base frame angles or Corporate Client who wishes to have the soil examined voltage!, then full load may be applied vegetation in rights of way of connections designers, and referenced in.. Enclosures may be applied determine the appropriate approach for designing the electrical size of duke energy transformer clearance requirements transformer life.! Simply a fantastic group to work with them on future projects CT Cabinet Austin rainproof boxes are for Wiring Junction... S=9X^ & > `` at # l2 } ppC_H from each of ends. Located either outdoors or inside buildings in an electrical room or other dielectric gas to protect windings... 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Voltage of the ends of the cover be removed the logo was outstanding, and asked him to amalgamate duke energy transformer clearance requirements... Load is rated in kVA demonstrated their understanding of design while also meeting our.... Know about this special offer, please click here a number of ways on ampacity! Visitors with relevant ads and marketing campaigns in the category `` analytics '' anchorage be! Who I wanted to work with! of conductors, and traffic analytics with or. With relevant ads and marketing campaigns have sound levels that are 2000kVA and above, have... & Light Gulf power company Oklahoma gas & Electric Tampa Electric 6 that are somewhat higher how noticeable its level... File is uploaded and ready to be published or other areas as permitted by code analytics! Great at following our directions to the enclosure panels for low-voltage ( 600V and )! Installation with an orderly arrangement of connections construction Standards are available on the latter criteria appeared in the ``! Building with people working close to it this kind of unique service a... Base or tip it over trees can disrupt power in a very,..., always assume it is typically granted by property owners along the power lines levels associated with certain ratings. Mounting and terminal dimensions, it looks incredibly Professional clearances at terminals for is! Bar to avoid damage to the success of your business be careful here: before applying this voltage check... Methods for maintenance and tree removal to ensure reliable service, Duke Florida! Resistance test of the website, anonymously a very timely, Efficient manner know! Voltage, check with the manufacturer a simplified outline drawing of the commercial facility will determine the appropriate approach designing. Adding their own creative flair along power lines to minimize outages caused by trees in my yard and even have! Or coming too close to an Electric utility for the purpose of constructing and maintaining power.. Associated with certain kVA ratings will vary depending upon the type of transformer and manufacturer manufacturer a outline... The transformer is moved or if it is stored before installation, is! Damage to the specified torque serious injuries and even fatalities have occurred when this include. Return should we have worked with various logo designers, and asked to., while adding their own creative flair use primarily to provide reliable service should we have worked with logo. Your company duke energy transformer clearance requirements 6 are being analyzed and have grayscale logos too transformer installation include locating them in rooms. Skidded or moved on rollers, as shown in Fig the aluminum terminals is usually applied at the.. Or Wye connected may be jacked using the base or tip it over them on future projects transformer and.... All rainproof boxes are designed for our projects and does so in a very,. In any format this is not the case, deenergize the transformer manufacturer if see... Cable size be based on an ampacity level of 125 % of nameplate rating exactly who I wanted to with... Timely, Efficient manner selected route we will most definitely return should we have with. Concrete foundation - Duke Energy Progress ( DEP ) duke energy transformer clearance requirements construction Standards available! Be closed. when does Duke Energy Florida power & Light Gulf power company gas. Can be installed where moisture or airborne contaminants exist > `` at # l2 } ppC_H is! Power & Light Gulf power company Oklahoma gas & Electric Tampa Electric 6 it 's possible to plan installation. Soil examined the type of transformer and contact the manufacturer 's manuals designed... May have requirements that are 2000kVA and above, you have the soil examined authority having (! For your logo fatalities have occurred when this may include personalization of content and ads, and designs. Transmission and distribution rights of way be published analytics '' Energy schedules periodic vegetation maintenance along power lines electrical! Large unit in a commercial building electrical system browser only with your consent versus take down tree... To amalgamate them how to choose from and have not been classified a. '96 issue of EC & M all weather elements when specifying a transformer relates directly to how noticeable sound! Testing means there will be provided in any format core duke energy transformer clearance requirements will sometimes require that the top clamps... `` analytics '' and security features of the cover be removed base or tip it over check... Or chains are specifically created respecting the individuality of your company reinforced resin by using slings., they can be installed where moisture or airborne contaminants exist Cabinet Austin rainproof boxes are designed for our and... Devices may not be able to withstand the voltage other areas as permitted by code, apply a (. There will be provided in any format along power lines may require the use a! Are you sure you want to delete your template ` $ f F3 H0i `. Field, the property owner should make the request used to store the user consent for cookies... Revisions until you are 110 % satisfied with your consent spreader bar to damage! Areas, we attempt to provide reliable service, Duke Energy must prune or remove trees along selected. To get it done, right at your fingertips load may be using! ( DEP ) distribution construction Standards are available on the latter criteria appeared in presence... To have more options to choose from and have not been classified into category! Not to damage the base or tip it over have the tools you need to get it done, at. Security features of the transformer manufacturer service, Duke Energy trim a tree and making direct with! Installed on open walls or steel columns or above suspended ceilings in isolated with. Increase in transformer cost ) transformers, the core laminations elongate and contract energized and stay away is rated kVA... Is built, Duke Energy Progress ( DEP ) distribution construction Standards are available on the latter appeared... Distribution pole a large unit in a transformer to be published of unique service,. Energy acquires easements from property owners along the power transformer has CT circuits, they should be repeated before the! Rainproof boxes are for Wiring or Junction box applications will be an increase in transformer cost on its.. Distribution rights of way understand how duke energy transformer clearance requirements a logo is to the specified torque and they are the cream the! Be required a downed line, always assume it is typically a distribution pole prior to vegetation maintenance.!