S11-M Three Phase Oil Immersed Transformer 50Hz Step-Up Transformer 10kv 6kv 115kv 35kv 220v 440v
1. Product Description
The S11-M Three Phase Oil Immersed Transformer is a high-performance 50Hz step-up transformer designed for AC power conversion and grid distribution, covering multiple mainstream voltage grades including 6kV, 10kV, 35kV, 115kV high voltage input and 220V, 440V low voltage output. As a fully sealed oil-immersed power transformer, this model adopts advanced cold-rolled silicon steel core and oxygen-free copper winding technology, breaking the limitations of traditional transformer energy consumption and stability. It supports step-up and step-down voltage conversion for three-phase power systems, perfectly adapting to industrial power supply, urban and rural power grid transformation, and new energy power generation scenarios.
Manufactured in strict accordance with international power equipment standards, the 50Hz three-phase oil immersed transformer features an integral corrugated oil tank structure and vacuum oil injection process. The fully sealed design effectively isolates external moisture, dust and corrosive gases, avoiding internal insulation aging and oil deterioration. Different from ordinary dry-type transformers, this oil immersed step-up transformer has excellent heat dissipation and overload resistance, ensuring stable long-term operation under continuous load and harsh environmental conditions. The diversified voltage matching of 6kv/10kv/35kv/115kv high voltage and 220v/440v low voltage makes it a versatile core equipment for medium and low voltage power transmission and transformation projects.
2. Core Uses
The core function of the S11-M three phase oil immersed transformer is to realize safe, efficient and stable voltage conversion in 50Hz three-phase AC power systems, mainly focusing on step-up power transmission and voltage matching of terminal power equipment. Firstly, it converts 220V, 440V low-voltage industrial and civil electricity into 6kV, 10kV, 35kV even 115kV medium and high voltage power, supporting long-distance lossless power transmission, which solves the problem of low voltage and large loss in short-distance power supply.
Secondly, this 50Hz step-up transformer can also complete reverse voltage reduction and regulation, matching the high-voltage power of power grids and power stations to the 220V/440V working voltage required by industrial production equipment, commercial facilities and civil electrical systems. In addition, as a low-loss distribution transformer, it undertakes the core tasks of power grid voltage stabilization, load balancing and power quality optimization, effectively reducing no-load loss and operation energy consumption in the power transmission process, and improving the overall power supply efficiency of the power system. It is also compatible with off-circuit voltage regulation, which can flexibly adjust voltage parameters according to grid load changes to ensure stable power output.
3. Application Scenarios
3.1 Urban and Rural Power Grid Construction and Renovation
This S11-M oil immersed transformer is the mainstream supporting equipment for new construction and upgrading of urban and rural power grids. The 6kV and 10kV voltage models are widely used in rural grid reconstruction, urban community power distribution and urban street lamp power supply systems, while the 35kV and 115kV high voltage versions are suitable for regional central power substations. It adapts to the 50Hz power frequency standard of public power grids, stably converts grid voltage to standard 220V household electricity and 440V industrial electricity, ensuring safe and reliable power supply for residents and urban public facilities.
3.2 Industrial Production Power Supply
In heavy industry, light manufacturing, petrochemical, metallurgy and textile industries that require continuous high-power power supply, the three phase oil immersed step-up transformer plays an irreplaceable role. Industrial production lines, large mechanical equipment and processing devices mostly need 440V three-phase power supply, and this transformer can boost the conventional grid 10kV/35kV high voltage to the matching working voltage, or step down the industrial self-generated power to grid-connected voltage. Its strong overload resistance and low-temperature operation stability can cope with fluctuating industrial loads and long-term continuous operation scenarios.
3.3 New Energy Power Generation and Grid Connection
In photovoltaic power stations, wind power plants and biomass power generation projects, the 50Hz step-up transformer is essential grid-connected equipment. The low-voltage electric energy generated by new energy units is boosted to 10kV, 35kV or 115kV medium and high voltage through the S11-M transformer, meeting the technical requirements of long-distance grid-connected power transmission. The fully sealed structure adapts to outdoor open-air operation environments of new energy power stations, with strong environmental adaptability and low maintenance cost.
3.4 Commercial and Special Engineering Scenarios
It is also widely used in shopping malls, office buildings, data centers, logistics parks and other commercial places to undertake centralized power distribution and voltage conversion work. At the same time, it is applicable to temporary power supply for construction projects, mining power supply, highway and railway supporting power facilities and other special scenarios. The 220v and 440v flexible voltage output can meet the diversified power demand of different terminal equipment, and the low-noise design avoids interference to commercial office and living environments.
4. Product Features
4.1 Ultra-Low Energy Consumption and High Energy Efficiency
The S11-M three phase oil immersed transformer adopts high-quality oriented cold-rolled silicon steel sheets with a full oblique three-seam core structure, which optimizes the magnetic circuit distribution to the greatest extent. Compared with traditional S9 series transformers, its no-load loss and load loss are significantly reduced, and the energy-saving effect is prominent. The high-purity oxygen-free copper winding improves electrical conductivity, effectively reduces operating heat generation and power transmission loss, and the overall operation efficiency is as high as 98% or more, which can effectively reduce the long-term operation cost of power systems.
4.2 Fully Sealed Maintenance-Free Structure
This 50Hz step-up transformer adopts an integral fully sealed corrugated oil tank and vacuum pressure oil injection process. The corrugated wall of the oil tank can elastically adapt to the volume change of transformer oil caused by temperature rise and fall, eliminating the need for traditional oil storage cabinets. The fully closed structure completely isolates air and moisture, prevents oil oxidation and insulation moisture, avoids core and winding corrosion, and realizes long-term maintenance-free operation, greatly reducing later operation and maintenance manpower and material costs.
4.3 Stable Operation and Strong Environmental Adaptability
The product is designed according to 50Hz standard power frequency, with precise voltage conversion performance, stable output of 220v, 440v low voltage and 6kv-115kv high voltage, and strong anti-interference ability to grid voltage fluctuation and load impact. The insulation grade reaches Class F, which can adapt to high-temperature, dusty, humid and other harsh working environments. It has excellent low-temperature overload resistance, can start and operate normally in extreme temperature environments, and is not easy to have insulation breakdown and overheating faults.
4.4 Low Noise and Compact Structural Design
Through optimized core lamination process and winding damping design, the operation vibration and electromagnetic noise of the three phase oil immersed transformer are effectively suppressed, and the operating noise is far lower than the industry standard, meeting the noise control requirements of urban and commercial scenarios. The overall structure is compact, small in size and light in weight, with a beautiful and regular appearance. It is convenient for on-site installation, transportation and placement, and does not occupy excessive engineering space, which is suitable for various limited installation scenarios.
4.5 Diversified Voltage Matching and Wide Applicability
Covering multiple voltage grades of 6kv, 10kv, 35kv, 115kv high voltage and 220v, 440v low voltage, the 50Hz step-up transformer supports customized voltage ratio adjustment, which can meet the voltage conversion needs of power grids, industry, commerce and new energy industries in different regions. It supports three-phase balanced power output, with uniform phase voltage distribution, no phase deviation, and stable power supply quality, which can protect the normal operation of precision electrical equipment and industrial production lines.
5. FAQ (Frequently Asked Questions)
5.1 What frequency and voltage ranges does the S11-M oil immersed transformer adapt to?
This series of transformers is specially designed for 50Hz industrial and civil AC power systems, which is fully compatible with the mainstream power frequency standard in most regions. In terms of voltage adaptation, it covers high voltage grades of 6kV, 10kV, 35kV, 115kV and low voltage output grades of 220V and 440V, supporting bidirectional step-up and step-down conversion. Users can select the corresponding voltage ratio model according to actual power supply and equipment voltage requirements, and also support non-standard voltage parameter customization to meet special engineering needs.
5.2 Does the fully sealed oil immersed transformer need regular oil replacement and maintenance?
No regular oil replacement is required. Different from traditional open-type oil immersed transformers, the S11-M three phase oil immersed step-up transformer adopts a fully closed corrugated oil tank structure, which completely isolates the internal transformer oil from the external air. It avoids oil oxidation, moisture absorption and deterioration, and there is no impurity precipitation inside the tank during normal operation. Under standard operating conditions, it can realize long-term maintenance-free operation. Users only need to regularly check the external connection, grounding state and surface cleanliness of the equipment, without frequent oil testing and replacement operations.
5.3 What is the service life and overload capacity of this 50Hz step-up transformer?
With high-quality silicon steel core and oxygen-free copper winding materials and mature sealing process, the normal service life of the S11-M oil immersed transformer can reach 20-30 years under rated load and standard environmental conditions. It has excellent short-term overload capacity, which can withstand 1.2 times rated load operation for a long time and 1.5 times short-term overload impact, and will not cause overheating damage or performance attenuation. Even in high-temperature and high-load continuous operation scenarios such as industrial factories and new energy power stations, it can maintain stable operating performance and effectively cope with peak load power demand.
