1600kva 10kv 400v High Quality Oil Immersed Transformer Electrical Transformers

1. Product Overview

The 1600kVA 10kV 400V High Quality Oil Immersed Transformer is a heavy-duty three-phase medium-voltage distribution electrical transformer engineered for large-load industrial and commercial power distribution systems. As a mainstream high-capacity oil-filled power transformer, it is designed to step down 10kV medium-voltage grid power to standard 400V three-phase low-voltage electricity, perfectly matching the power supply demands of large-scale production bases, commercial complexes, urban power grids and new energy power distribution projects.

Manufactured complying with IEC 60076, GB1094 and international industry standards, this 10kV step-down oil immersed transformer adopts premium oxygen-free copper windings and high-performance silicon steel sheet cores. It features fully sealed oil tank structure and vacuum oil injection technology, effectively reducing no-load loss and load loss while improving overall operational stability. This high efficiency distribution transformer supports long-term continuous full-load operation, serving as core power conversion equipment for modern high-capacity power supply systems and widely recognized as a reliable industrial electrical transformer in global power infrastructure projects.

2. Core Technical Parameters

This heavy-duty oil immersed power transformer adopts mature S11/S20 energy-saving structural design, with standardized and optimized parameters to adapt to global 10kV level power grid environments and large-load terminal equipment operation requirements.

• Rated Capacity: 1600kVA (large-capacity stable power supply, supporting long-term full-load operation)

• Primary Rated Voltage: 10kV medium voltage input (compatible with conventional 10kV urban and rural power grid standards)

• Secondary Rated Voltage: 400V three-phase low voltage output (standard industrial and civil power supply voltage)

• Rated Frequency: 50Hz/60Hz dual universal for global application

• Connection Symbol: Dyn11 (effectively suppresses harmonic interference and ensures three-phase voltage balance)

• Cooling Mode: ONAN natural oil-immersed cooling (low noise, no auxiliary heat dissipation equipment required)

• Winding Material: High-purity oxygen-free copper coil (low resistance, low loss, strong short-circuit resistance)

• Structural Feature: Fully sealed corrugated oil tank, maintenance-free operation design

• Insulation Grade: High-grade insulation material, excellent lightning impulse and overvoltage resistance

• Operational Life: Up to 30 years of stable service life under standard operating conditions

3. Core Product Uses

The 1600kVA 10kV to 400V oil immersed electrical transformer focuses on medium-to-low voltage power conversion, power distribution and voltage stabilization for high-load power systems. Its core function is to convert high-voltage 10kV grid electric energy into safe and usable 400V low-voltage power, solving the voltage mismatch problem between medium-voltage transmission lines and low-voltage industrial, commercial and civil electrical equipment.

As a key power distribution transformer in large-capacity power supply systems, it realizes electrical isolation between high voltage and low voltage, effectively avoiding equipment damage and safety accidents caused by voltage surge, line fluctuation and short-circuit faults. This energy-saving oil immersed power transformer optimizes three-phase load balance, reduces power transmission loss, improves overall power utilization efficiency, and provides continuous, stable and safe power guarantee for high-power electrical equipment and large-area power supply scenarios. It also serves as an essential voltage regulation and power distribution device for power grid expansion and power system upgrading projects.

4. Wide Application Scenarios

With large load capacity, strong environmental adaptability and high operational stability, this 10kV 1600kVA oil immersed transformer is widely used in various high-demand power supply scenarios, covering industrial manufacturing, commercial construction, municipal power grid, new energy power generation and infrastructure engineering fields.

4.1 Large-Scale Industrial Manufacturing Parks

It is the preferred power conversion equipment for heavy industry factories, chemical plants, metallurgical bases, machinery manufacturing parks and large processing workshops. The 1600kVA high-capacity oil immersed transformer can stably supply power for high-power production equipment, automated production lines, motor groups and industrial control systems, meeting the long-term full-load power demand of industrial production scenarios.

4.2 Urban Commercial & Residential Complexes

Suitable for large shopping malls, super high-rise office buildings, urban central business districts, large residential communities and comprehensive logistics parks. This 10kV 400V distribution transformer undertakes the main power distribution work of building power systems, providing stable power for central air conditioning systems, elevator equipment, lighting systems, fire protection facilities and daily civil electrical equipment.

4.3 Municipal Power Grid Renovation & Expansion Projects

Widely applied in urban and rural power grid upgrading, regional power distribution station construction, street power supply transformation and public facility power supply projects. As a standard municipal electrical transformer, it adapts to outdoor complex working conditions, improves regional power supply capacity and power supply stability, and solves the power shortage problem of urban and rural peak power consumption.

4.4 New Energy Distributed Power Generation Systems

Perfectly matching large-scale photovoltaic power stations, wind power generation bases and energy storage power supply projects. This high-quality oil immersed transformer converts the medium-voltage electric energy generated by new energy equipment into standard 400V low-voltage power, realizing efficient grid connection, power conversion and off-grid power supply for new energy systems, and promoting clean energy utilization.

4.5 Infrastructure & Special Engineering Projects

Applicable for highway engineering, railway supporting facilities, water conservancy pump stations, mining areas and industrial park supporting power supply. It can adapt to harsh outdoor environments such as high temperature, low temperature, humidity and dust, providing reliable continuous power supply for large-scale infrastructure and special engineering projects.

5. Superior Product Features

5.1 High Energy Efficiency & Ultra-Low Loss

Adopting high-grade oriented silicon steel sheet core and optimized 45° fully inclined lamination process, this 1600kVA oil immersed power transformer greatly reduces magnetic leakage and no-load loss. Matched with high-purity oxygen-free copper windings, the overall power transmission efficiency is significantly improved, far exceeding national and international energy efficiency standards. It effectively reduces long-term operational power consumption and enterprise electricity costs, featuring outstanding energy-saving and emission reduction effects.

5.2 Excellent Operational Stability & Safety

The product adopts a fully sealed corrugated oil tank structure, which completely isolates internal transformer oil from external air and moisture, avoiding insulation performance degradation and oil oxidation deterioration. Equipped with perfect overvoltage, overcurrent, short-circuit and lightning surge protection mechanisms, this 10kV step-down transformer can quickly isolate faults in abnormal working conditions, effectively protecting terminal electrical equipment and power grid system safety. The Dyn11 wiring method significantly suppresses grid harmonic interference and ensures stable three-phase voltage output.

5.3 Strong Load Capacity & Environmental Adaptability

Designed for large-load continuous operation, the transformer supports long-term full-load and short-term overload operation with strong impact resistance. The overall shell adopts anti-corrosion and weather-resistant treatment, adapting to outdoor high temperature, low temperature, rainy, snowy and dusty harsh environments. The ONAN natural cooling system operates stably without heat accumulation, ensuring continuous and reliable operation in various complex working conditions.

5.4 Maintenance-Free & Long Service Life

Thanks to the fully sealed integrated structural design, the internal insulating oil will not be polluted or oxidized, eliminating the need for regular oil replacement and core inspection. The vacuum drying and vacuum oil injection process improves internal insulation strength and mechanical stability, effectively resisting short-circuit impact and mechanical vibration. With low daily maintenance cost and simple later operation, the service life can reach up to 30 years, which is far longer than ordinary traditional transformers.

5.5 Low Noise & Eco-Friendly Performance

Through optimized core lamination and winding layout design, the electromagnetic vibration and operating noise of the transformer are effectively reduced, meeting urban environmental protection noise standards. The fully enclosed structure avoids transformer oil leakage pollution, with no electromagnetic radiation pollution during operation. It is green, environmentally friendly and suitable for residential, commercial and urban municipal power supply scenarios with high environmental requirements.

6. Frequently Asked Questions (FAQ)

Q1: What is the actual effective load power of the 1600kVA 10kV 400V oil immersed transformer?

Under the standard power factor of 0.8, the 1600kVA high quality oil immersed transformer can stably drive about 1280kW of effective electrical load, meeting the power demand of large industrial equipment and centralized power supply scenarios. It supports long-term continuous full-load operation and allows short-term overload operation within a reasonable range. To extend the service life, it is recommended to keep the actual operating load between 70% and 90% of the rated capacity for daily use, which can balance operational efficiency and equipment durability.

Q2: Is this 10kV 1600kVA electrical transformer suitable for outdoor installation?

Yes, this heavy-duty oil immersed distribution transformer is specially optimized for outdoor working conditions. It adopts a fully sealed anti-corrosion metal shell and rainproof, dustproof, moisture-proof and anti-aging structural design. The internal insulating oil and core windings can adapt to extreme temperatures and complex outdoor environments. It requires no additional protective canopy or closed equipment room for conventional outdoor installation, which greatly saves installation and construction costs. It is widely used in outdoor power grid distribution, industrial park open-air power distribution stations and municipal outdoor power supply projects.

Q3: What are the main advantages of oil immersed transformers compared with dry-type transformers in 1600kVA power distribution scenarios?

In 1600kVA large-capacity power distribution scenarios, the 10kV 400V oil immersed power transformer has obvious comprehensive advantages. It features lower manufacturing cost and higher cost performance for large-load long-term operation, better heat dissipation performance and stronger overload resistance, and more stable operation in high-temperature and high-load environments. In addition, its fully sealed maintenance-free design reduces later operational and maintenance costs compared with dry-type transformers. Although dry-type transformers are more suitable for indoor high-fire-risk scenarios, oil immersed transformers are the preferred choice for outdoor municipal power grids, industrial parks and large-scale centralized power supply projects due to their higher stability and better environmental adaptability.