{"title":"Three-Phase Oil-Immersed Pad-Mounted Transformers","description":"\u003ch2\u003eThree-Phase Oil-Immersed Pad-Mounted Transformers\u003c\/h2\u003e\n\u003cp\u003eHEAKOR three-phase oil-immersed pad-mounted transformer pages are intended as a starting point for project-based outdoor distribution selection. Use the listed product as a starting point; the required rating and configuration remain subject to the approved project specification.\u003c\/p\u003e\n\u003cp\u003eBefore quotation, confirm rated power, complete primary and secondary voltages, frequency, vector group, impedance, BIL, tap range, feed arrangement, terminal configuration, protection, accessories, efficiency requirements, and site conditions.\u003c\/p\u003e\n\u003ch2\u003eStandards and Project Requirements\u003c\/h2\u003e\n\u003cp\u003eThe applicable IEEE, IEC, utility, national, or project standard must be identified by the purchaser. Compliance, certification, listing, testing, and documentation are confirmed for the exact transformer design and purchase scope.\u003c\/p\u003e\n\u003ch2\u003eRequest a Technical Proposal\u003c\/h2\u003e\n\u003cp\u003eProvide the datasheet, single-line diagram, quantity, destination, required tests, and delivery schedule. HEAKOR will review open points before confirming the configuration and quotation.\u003c\/p\u003e\n\u003ch2\u003ePrepare Your Project Enquiry\u003c\/h2\u003e\n\u003cp\u003eFor new installations, identify the required cable entry, access arrangement and foundation constraints in the project documents. For replacements, include the existing nameplate and drawings where available. Clarify the requested accessories and protection scope before comparing proposals. Indicate whether the enquiry is for a budget estimate, a tender or a planned purchase.\u003c\/p\u003e\n\u003cp\u003eFor three-phase oil-immersed pad-mounted transformer enquiries, \u003ca href=\"\/ko\/pages\/contact\"\u003esend your project requirements\u003c\/a\u003e with company name, quantity, destination and required delivery schedule. Mention available drawings so we can arrange how to receive them. Final specifications, documentation, price and delivery terms require confirmation in the agreed quotation.\u003c\/p\u003e","products":[{"product_id":"three-phase-oil-immersed-pad-mounted-transformer","title":"Three-Phase Oil-Immersed Pad-Mounted Transformer","description":"\u003cp\u003eA three-phase oil-immersed pad-mounted transformer provides voltage transformation for three-phase distribution through a ground-level transformer installation. HEAKOR accepts enquiries for project-specific outdoor distribution applications. The electrical rating, cabinet arrangement, cable connections and site requirements must be reviewed before a configuration is confirmed.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/ko\/pages\/contact\"\u003eSubmit your pad-mounted transformer requirements\u003c\/a\u003e with the required kVA, voltages and destination.\u003c\/p\u003e\n\u003ch2\u003eWhat information is needed for selection?\u003c\/h2\u003e\n\u003cp\u003eSpecify the electrical system and the physical connection requirements together. A three-phase oil-immersed pad-mounted transformer must fit the intended network and installation layout; matching kVA and voltage alone is not sufficient.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectrical ratings:\u003c\/strong\u003e capacity, primary and secondary voltages, frequency, vector group and neutral arrangement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem requirements:\u003c\/strong\u003e impedance, insulation level or BIL, taps, load profile and applicable loss or efficiency limits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable interfaces:\u003c\/strong\u003e radial or loop feed, terminal arrangement, connector requirements and cable-entry layout.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEquipment scope:\u003c\/strong\u003e protection, switching, monitoring and accessories required by the project.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e ambient conditions, altitude, enclosure requirements, foundation layout and access constraints.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePad-mounted transformer questions and answers\u003c\/h2\u003e\n\u003ch3\u003eHow is this different from a pole-mounted transformer?\u003c\/h3\u003e\n\u003cp\u003eThe installation and connection arrangements differ: a pad-mounted transformer is installed at ground level, while a pole-mounted design is intended for an elevated support arrangement. Choose according to the network design, cable routing, site access and utility requirements.\u003c\/p\u003e\n\u003ch3\u003eShould I specify radial feed or loop feed?\u003c\/h3\u003e\n\u003cp\u003eUse the feed arrangement required by the approved network design. Radial and loop arrangements affect the primary connections and equipment layout. Provide the single-line diagram and required switching arrangement so these interfaces can be checked.\u003c\/p\u003e\n\u003ch3\u003eAre dead-front connections included?\u003c\/h3\u003e\n\u003cp\u003eDo not assume the terminal configuration from the product name or cabinet image. State the required live-front or dead-front arrangement, connector interface and ratings. Availability and compatibility must be confirmed for the proposed transformer.\u003c\/p\u003e\n\u003ch3\u003eWhat capacity and voltage combinations can I request?\u003c\/h3\u003e\n\u003cp\u003eSend the required kVA, primary voltage, secondary voltage and frequency, together with the load profile. HEAKOR will need to review the requested combination before confirming a model. This page does not establish that every capacity and voltage combination is available.\u003c\/p\u003e\n\u003ch3\u003eDoes the product name prove utility approval?\u003c\/h3\u003e\n\u003cp\u003eNo. A three-phase oil-immersed pad-mounted transformer must be assessed against the destination's product standards, efficiency requirements, certification or listing requirements and utility specification. Identify mandatory approvals and documents at the enquiry stage.\u003c\/p\u003e\n\u003ch3\u003eWhat should I check when replacing an existing unit?\u003c\/h3\u003e\n\u003cp\u003eProvide the nameplate, foundation and cable-entry drawings, terminal details and available working space. Identify any changes to the load or protection arrangement. The replacement must match both the electrical requirements and installation interfaces.\u003c\/p\u003e\n\u003ch2\u003eRequest a three-phase oil-immersed pad-mounted transformer quotation\u003c\/h2\u003e\n\u003cp\u003eSend your company name, project stage, quantity, destination and required delivery schedule with the core specifications. Mention available drawings and any required test reports. Final configuration, compliance, documents, price and delivery must be confirmed for the project.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/ko\/pages\/contact\"\u003e\u003cstrong\u003eSubmit project specifications to HEAKOR\u003c\/strong\u003e\u003c\/a\u003e. See the \u003ca href=\"\/ko\/collections\/three-phase-oil-immersed-pad-mounted-transformers\"\u003ethree-phase pad-mounted transformer category\u003c\/a\u003e for an overview.\u003c\/p\u003e\n\u003cp\u003eBefore requesting a quotation, use the \u003ca href=\"\/ko\/blogs\/news\/transformer-rfq-checklist\"\u003etransformer RFQ checklist\u003c\/a\u003e to organize your specifications and open questions. The \u003ca href=\"\/ko\/blogs\/news\/custom-transformer-project-requirements\"\u003eproject requirements guide\u003c\/a\u003e explains how to define the requested equipment and document scope.\u003c\/p\u003e","brand":"HEAKOR","offers":[{"title":"Default Title","offer_id":47702097363115,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/2488\/2347\/files\/Codex_2026_8_27_16_09_55.png?v=1787818586"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/2488\/2347\/collections\/2_739ba3b6-65d8-40e7-951a-53812ae898c0.png?v=1788504537","url":"https:\/\/heakortransformer.com\/ko\/collections\/three-phase-oil-immersed-pad-mounted-transformers.oembed","provider":"Heakor transformer","version":"1.0","type":"link"}