1. product description
Transformer TMN 4000 kVA 35 kV - is a modern, energy-efficient device for power transmission and distribution. It is used in high voltage power systems, ensuring stability, minimal losses and high reliability. This model is equipped with natural oil circulation (NOC) and load voltage regulation (LVR), making it the optimal choice for industrial, power and infrastructure facilities.
2. key benefits
🔹 Energy efficiency - Reduced power losses due to high quality magnetic cores and modern windings.
🔹 Stable voltage - precise voltage regulation to minimize fluctuations and overloads.
🔹 Reliability - overload resistance, short-circuit protection, long service life.
🔹 Minimal operating costs - easy maintenance and high efficiency.
🔹 Compliance with international standards - Evernew Transformer transformers are certified to the following standards GOST, CE, UL.
3. technical characteristics
| Parameter | Significance |
|---|---|
| Power | 4000 kVA |
| Primary winding voltage (HV) | 35 kV |
| Secondary winding voltage (LV) | 6.3 kV |
| Frequency | 50 Hz |
| Idle losses | 3.85 kW |
| Short circuit losses | 33.5 kW |
| Idle current | 0,003 % |
| Short-circuit voltage | 7,5 % |
| Winding connection diagram | Y/Δ-11 |
| Dimensions (DxWxH) | 3190 x 3240 x 3440 mm |
| Gross weight | 10,900 kg |
| Oil weight | 2 800 kg |
| Transport weight | 7,900 kg |
4. areas of application
✅ Distribution substations - reliable power supply to grid companies and housing and utilities facilities.
✅ Industrial enterprises - supporting the operation of energy-intensive equipment.
✅ Power plants - provision of internal power supply and backup power.
✅ Infrastructure facilities - power supply of railway stations, subways, ports and other large facilities.
✅ Mining and petrochemical industries - sustainable power supply of complex industrial systems.
5. Design and features
Housing and protection
🔹 Rugged metal housing provides protection against mechanical damage and environmental impact.
🔹 Protection class IP44/IP54 (on request).
🔹 Corrosion resistant coating for use in harsh climatic conditions.
Cooling system
🔹 ONAN (natural oil and air circulation) - efficient cooling without additional energy consumption.
🔹 Possibility to install an additional cooling system (ONAF - forced air cooling) for heavy-duty applications.
Windings and magnetic core
🔹 Copper windings with multi-layer insulation for increased durability.
🔹 High quality magnet core made of cold-rolled electrical steel to minimize losses.
Voltage regulation
🔹 On-load tap-changer (load regulation) - automatic voltage change without disconnecting from the mains.
🔹 Voltage adjustment range: ± 10 % from the rated value.
Read More：Transformer TMH 6300 35 with voltage regulation
6. Production and quality control
Company Evernew Transformer controls every stage of transformer production, from design and material selection to final testing of the finished product. We apply modern technologieswhich allows us to produce Transformers with high parameter accuracy and durability.
Stages of quality control
✅ Checking the quality of the windings and the magnetic core.
✅ Overload and short-circuit tests.
✅ Measurement of no-load and heating losses.
✅ Testing the insulation and tightness of the oil tank.
Our transformers pass international certification (GOST, CE, UL)which confirms their compliance with high safety standards.
7. Delivery and installation
📍 Fast delivery in Russia, Kazakhstan, Belarus, Uzbekistan and other CIS countries.
🔧 Opportunity ordering installation and commissioning works.
📦 Guarantee of safety during transportation - professional packaging and protection of the equipment.
8. Why choose Evernew Transformer?
💡 More than 30 years of experience in power transformer manufacturing.
🏭 Own production with high-precision technological processes.
🔎 Strict quality control at every stage.
📦 Warranty and post-warranty service.
🚀 Fast delivery and individual approach to every client.
9. Where to buy a 4000 kVA 35 kV transformer?
Company Evernew Transformer offers the supply of transformers with a guarantee of reliability. We provide optimal prices, prompt delivery and support at all stages of the transaction.
📩 Contact us now!
🌍 Delivery to Russia, Kazakhstan, Belarus, Uzbekistan, CIS countries and Europe.
Buy a transformer 4000 kVA 35 kV from the manufacturer - reliability proven by time! 🚀
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