5000 KVA Substation Transformer Features
This 5000 kVA three phase oil immersed set down substation transformer features a 34.5 kV Delta-connected primary and a 480Y/277 V grounded Wye secondary, making it perfect for large-scale power distribution in utility, industrial, and commercial applications. Designed with high-efficiency silicon steel cores and mineral oil insulation, it ensures low losses and reliable thermal performance with a 65°C temperature rise. The oil-immersed design enhances durability and operational life, even under heavy loads. As a 5000 kVA substation transformer, it is housed in a weatherproof, tamper-resistant enclosure, making it ideal for outdoor substation installations. It meets global standards such as ANSI, IEEE, UL, CSA, and DOE for safe and efficient voltage step-down operations.
5000 KVA Substation Transformer Technical Specs
| No. | Item | Specification | Remark |
|---|---|---|---|
| 1 | Product Type | Oil-Immersed Step-Down Substation Transformer | – |
| 2 | Rated Capacity | 5000 kVA | 1000 KVA-20000 KVA or customizable |
| 3 | Phase Number | Three Phase | – |
| 4 | Rated Frequency | 60 Hz (optional 50 Hz) | – |
| 5 | Primary Voltage (HV) | 34.5 kV | 6-35KV or customizable |
| 6 | Secondary Voltage (LV) | 4160 V / 480 V / 240 V / Customized | Other voltages customizable |
| 7 | HV Connection | Delta (Δ) | Customizable |
| 8 | LV Connection | Wye (Y) | With grounded neutral |
| 9 | Vector Group | Dyn11 (customizable) | – |
| 10 | Tap Changer | ±5% with 2.5% per step | Off-load or on-load tap changer option |
| 11 | No-load Loss | Approx. 4.2 kW | Subject to final design |
| 12 | Load Loss (at 75°C) | Approx. 36 kW | Subject to final design |
| 13 | Short-Circuit Impedance | 6% ±10% | Adjustable upon request |
| 14 | Insulation Level (HV Side) | BIL 150 kV | Power frequency withstand 70kV |
| 15 | Insulation Level (LV Side) | BIL 30 kV | Power frequency withstand 10kV |
| 16 | Insulation Class | Class A or Class B | Optional |
| 17 | Maximum Temperature Rise | 65°C (standard) / 55°C (low loss type) | Relative to ambient temperature |
| 18 | Design Altitude | ≤1000 meters | Derating required above 1000m |
| 19 | Ambient Temperature Range | -40°C ~ +50°C | Special design available |
| 20 | Cooling Method | ONAN (Oil Natural Air Natural) | ONAF available (forced cooling) |
| 21 | Short-circuit Duration | 2 seconds | – |
| 22 | Noise Level | ≤60 dB (at 1 meter) | According to NEMA TR1 or IEC 60076 |
| 23 | Core Type | Step-lap laminated core | High-quality cold-rolled silicon steel |
| 24 | Winding Material | Copper (standard) or Aluminum (optional) | – |
| 25 | Tank Type | Fully sealed steel tank | Conservator tank optional |
| 26 | Oil Type | Mineral Oil (IEC 60296) | Eco-friendly oil optional |
| 27 | Protection Class | IP00 (standard), IP23 (optional) | For indoor or outdoor applications |
| 28 | Surface Treatment | Sandblasting + Primer + Topcoat painting | Anti-corrosion for harsh environments |
| 29 | Standard Accessories | Pressure relief valve, oil level gauge, thermometer, drain valve, grounding terminals | Standard configuration |
| 30 | Protection Devices | Buchholz relay (optional), pressure relief, temperature alarms | Customizable |
| 31 | Monitoring Function (Optional) | IoT smart monitoring module (temperature, humidity, load, etc.) | Smart transformer option |
| 32 | Termination Type | Cable box or porcelain bushings | Customizable |
| 33 | Cooling Radiators | Bolted or welded type | – |
| 34 | Standards | IEC 60076 / ANSI C57 / IEEE C57 / CSA C88 / GOST Certification | Customized as per request |
| 35 | Routine Tests | Routine, Type, and Special Tests | 100% full inspection before shipment |
| 36 | Certification | CE / UL / CSA / CUL / GOST | Based on market demand |
| 37 | Overall Dimension (approx.) | 2500mm × 1600mm × 2000mm | Subject to final drawings |
| 38 | Total Weight (incl. oil, approx.) | 9500 kg | – |
5000 kVA Substation Transformer Specifications
The 5000 kVA Substation Transformer is designed for high-efficiency energy distribution, featuring a 34.5 kV Delta-connected primary and a 480Y/277 V grounded Wye secondary. This configuration ensures reliable step-down voltage, making it ideal for large-scale industrial, utility, and commercial power distribution systems. With a robust oil-immersed design, it minimizes losses and guarantees thermal stability with a 65°C temperature rise, ensuring longevity and efficient performance in demanding environments.
5000 kVA Substation Transformer Weight
Weighing approximately x tons (depending on configuration and auxiliary components), the 5000 kVA Substation Transformer is engineered to handle heavy-duty power loads. Its substantial weight is a testament to its durable build quality and ability to withstand mechanical stress during transportation, installation, and long-term operations, making it a trusted choice for substation and industrial applications.
5000 kVA Substation Transformer Dimensions
The 5000 kVA Substation Transformer is designed with optimized dimensions to ensure efficient space utilization while maintaining exceptional operational capabilities. Its compact structure facilitates easier installation and integration into existing substations, while maintaining full compliance with industry space and safety standards. This transformer can be customized for specific site requirements, ensuring seamless integration into your power distribution setup
5000 kVA Substation Transformer Price
We offer the 5000 kVA Substation Transformer at competitive pricing without compromising on quality. Our direct-from-factory pricing ensures a cost-effective solution for high-capacity power distribution needs. The price varies based on specific configuration options, certifications, and additional services. With our value-driven pricing strategy, customers can benefit from durable, high-efficiency transformers at a cost-effective rate for both large and medium-scale projects.
5000 kVA Substation Transformer Manufacturer
As a leading manufacturer of high-quality electrical transformers, Energy Transformer produces the 5000 kVA Substation Transformer with advanced engineering and cutting-edge technology. Our factory, based in China, is equipped with state-of-the-art production lines that adhere to global standards, including ISO, UL, and CE certifications. With a 34.5 kV primary voltage and 480Y/277 V secondary voltage, every unit is crafted with precision, ensuring the highest quality and reliability in the most demanding power distribution systems.
5000 kVA Substation Transformer Sales
The 5000 kVA Substation Transformer is available for sale globally, catering to industries and utilities across North America, South America, Europe, and the Middle East. With an emphasis on performance, reliability, and customer satisfaction, we ensure that each unit meets the highest standards for safety and efficiency. Whether you’re expanding your power infrastructure or upgrading your existing setup, our transformers are the preferred choice for reliable and long-lasting solutions, with a 34.5 kV primary voltage and 480Y/277 V secondary voltage.
5000 kVA Substation Transformer Factory Wholesale
Energy Transformer offers the 5000 kVA Substation Transformer directly from our factory, ensuring competitive wholesale prices for bulk orders. By eliminating intermediaries, we can pass on significant savings to our customers, offering high-quality products at more affordable prices. Our factory-direct approach guarantees a seamless and faster delivery timeline, making it the ideal option for projects that require both affordability and timely execution. The transformer is designed to handle a 34.5 kV primary voltage and a 480Y/277 V secondary voltage, meeting international standards for efficiency and safety.
5000 kVA Substation Transformer Delivery to North America
With a comprehensive distribution network, Energy Transformer ensures efficient delivery of the 5000 kVA Substation Transformer across North America. We offer streamlined logistics, including secure international shipping and fast delivery times, making our transformers available for industrial, commercial, and utility applications in the United States, Canada, and Mexico. The transformer’s 34.5 kV primary voltage and 480Y/277 V secondary voltage ensure reliable and efficient energy distribution in all installations, complying with local standards and regulations for smooth customs clearance.
5000 kVA Substation Transformer Cost-Effective Solutions
The 5000 kVA Substation Transformer is engineered to provide cost-effective solutions for large-scale power distribution, featuring a 34.5 kV primary voltage and 480Y/277 V secondary voltage. With its high-efficiency design, the transformer ensures reduced operational costs over its lifetime, minimizing energy losses and lowering maintenance expenses. Its robust construction also ensures minimal downtime, offering a long-term return on investment for industrial and utility applications. This cost-efficiency, combined with its advanced technology, makes it the ideal choice for cost-conscious projects requiring high performance.
5000 kVA Substation Transformer Performance Features
Our 5000 kVA Substation Transformer is built for superior performance, featuring high-efficiency silicon steel cores that minimize core losses and maximize energy efficiency. The oil-immersed design enhances thermal performance, keeping the transformer cool even under heavy loads. With mineral oil insulation, the transformer provides reliable dielectric strength, improving electrical safety and reducing the risk of failure. Its durable construction and advanced cooling system ensure optimal operation at 34.5 kV primary voltage and 480Y/277 V secondary voltage, making it a reliable choice for global power distribution needs.
Drawings of 5000 kVA Substation Transformer with Additional Component
Why Choose 5000 kVA 34.5kV Three-Phase Oil-Immersed Set Down Substation Transformer?
Energy Transformer’s 5000 kVA Three Phase Oil Immersed Set Down Substation Transformer is a robust, high-performance solution designed for large-scale power distribution in industrial, commercial, and utility applications. With a 34.5 kV primary voltage and a 480Y/277 V secondary voltage, this transformer is engineered to handle high power demands while providing safe, efficient, and reliable voltage step-down operations.
Built to withstand demanding conditions, the oil-immersed design ensures reliable cooling, preventing overheating and ensuring longevity even under heavy loads. This transformer is ideal for substations in North America, South America, Europe, and other global markets, including the U.S., Canada, Brazil, Argentina, Guyana, Spain, Portugal, and the UAE.
Key Benefits:
✅ High Power Rating for Large-Scale Applications
With a 5000 kVA power rating and a 34.5 kV primary voltage, this transformer is capable of handling large power requirements for substations, utility grids, and high-demand industrial settings.
✅ Oil-Immersed Design for Enhanced Cooling
The oil-immersed configuration ensures efficient cooling through the use of mineral oil, which provides optimal thermal management and enhances transformer lifespan. This design makes the transformer ideal for environments with high power density and demanding operational conditions.
✅ Energy-Efficient & Cost-Effective Performance
Designed with low-loss silicon steel cores and high-quality copper windings, the 5000 kVA transformer meets global standards such as ANSI, IEEE, UL, CSA, and CE, ensuring energy-efficient performance that minimizes operating costs and reduces environmental impact.
✅ Durable & Reliable for Harsh Environments
Manufactured in Energy Transformer’s advanced factory in China, the 5000 kVA transformer is built to endure extreme weather conditions and tough operating environments. The weatherproof design and tamper-resistant features ensure safe, long-term performance, even in challenging locations.
✅ Flexible Voltage Configurations & Customization
With a range of customization options, you can tailor the transformer to your specific project needs, whether it’s altering the primary and secondary voltages or adding accessories like lightning arresters and fuses. Perfect for matching regional voltage standards and unique grid demands.
✅ Fast Delivery & Global Distribution
Energy Transformer’s large-scale production capabilities ensure rapid lead times, even for custom models. Our global logistics network ensures reliable delivery to North and South America, Europe, Asia, and beyond.
✅ Factory Direct Cost Advantage
Manufactured entirely in-house, our 5000 kVA transformers are available at competitive, factory-direct prices, providing the best value without compromising quality. From core production to final assembly, every step is carefully monitored for excellence.
Whether you’re planning utility grid upgrades, industrial power solutions, or large-scale infrastructure projects, Energy Transformer’s 5000 kVA Three-Phase Oil-Immersed Set Down Substation Transformer is the ideal choice for high-efficiency, cost-effective, and reliable power distribution.
📩 Contact us today for a custom quote or expert consultation tailored to your voltage and project requirements.
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