10kv 33kv 35kv 5000 kva Step Down And Step Up 220v To 110v Oil Immersed Electric Power Transformer
10kv 33kv 35kv 5000 kva Step Down And Step Up 220v To 110v Oil Immersed Electric Power Transformer
1. Product Description
This 10kv 33kv 35kv 5000 kva step down and step up 220v to 110v oil immersed electric power transformer is a high-capacity three-phase oil-filled power conversion equipment designed for medium and high voltage power distribution systems. Engineered with professional oil-immersed cooling technology, the device supports dual voltage conversion functions, covering high voltage grades of 10kV, 33kV and 35kV, and realizes flexible bidirectional voltage transformation between low voltage 220v and 110v, with a rated capacity up to 5000kVA. As a core medium-high voltage power transformation device, this oil immersed power transformer strictly complies with IEC, ANSI and GB international industry standards, adopting high-permeability grain-oriented cold-rolled silicon steel sheets for the iron core and high-strength insulated coil structure, which effectively stabilizes the operating state under long-term full-load and overload conditions.
Different from conventional single-function transformers, this 5000kva medium voltage transformer integrates step-up and step-down voltage regulation capabilities, solving the voltage matching problem between high-voltage power grids and low-voltage electrical equipment. The whole machine adopts mature oil natural air natural (ONAN) cooling mode, with insulating oil circulating naturally inside the sealed tank to take away operating heat, ensuring continuous and stable operation in various complex environmental conditions. It is a reliable core equipment for medium voltage power transmission, industrial power distribution and civil voltage conversion projects.
2. Core Purpose
The core purpose of this 35kv 33kv 10kv 5000kva oil immersed transformer is to realize safe, stable and efficient bidirectional conversion between medium and high voltage power grids and low-voltage terminal power systems, solving the voltage mismatch and power transmission loss problems in power supply and distribution links. In medium-high voltage power transmission scenarios, it can step down 10kV, 33kV, 35kV high-voltage electric energy to standard 220v and 110v low voltage, providing compliant power supply for terminal electrical equipment; in distributed power generation and local power regulation scenarios, it can also step up 110v and 220v low-voltage electric energy to medium and high voltage, realizing grid-connected power transmission and regional power dispatch.
As a high-capacity power conversion device, this step up and step down power transformer undertakes the core tasks of voltage stabilization, power distribution and power loss control in the power system. It can effectively balance regional power supply pressure, reduce line transmission loss, improve power supply quality, and ensure the safe and stable operation of industrial production equipment, civil power facilities and new energy power generation systems. Meanwhile, the 5000kVA large rated capacity enables it to meet the centralized power supply demand of large-load areas, making up for the insufficient power supply capacity of small and medium-sized transformers in heavy-load scenarios.
3. Application Scenarios
3.1 Industrial Power Distribution Scenarios
This oil immersed electric power transformer is widely used in large industrial parks, mining enterprises, chemical plants and manufacturing bases. Most industrial production equipment needs stable 110v and 220v low-voltage power supply, while the regional power grid usually inputs 10kV, 33kV or 35kV medium and high voltage power. This 5000kva medium voltage step-down transformer can complete high-precision voltage conversion, continuously supply power for large-scale production lines, mechanical equipment and industrial control systems, and adapt to long-term continuous operation of industrial heavy-load working conditions.
3.2 Urban and Rural Power Grid Renovation
In urban community power supply, rural power grid upgrading and suburban power distribution station construction projects, the 10kv/33kv/35kv voltage grade oil immersed transformer is the key supporting equipment. It can adjust the grid voltage in real time according to regional power consumption demand, step down high-voltage grid power to household 220v and industrial 110v power supply standards, and solve the problems of unstable voltage and insufficient power supply in old urban and rural power grids. Its bidirectional voltage regulation function also supports peak shaving and valley filling of regional power grids, optimizing power grid operation efficiency.
3.3 New Energy Power Generation Projects
For photovoltaic power stations, wind power plants and distributed new energy power generation systems, this step up and step down transformer plays an important role in grid-connected power transmission. The low-voltage electric energy generated by new energy equipment can be stepped up from 110v/220v to 10kV, 33kV, 35kV medium and high voltage through the transformer, realizing centralized grid-connected power transmission; when new energy power generation is insufficient, it can step down grid high voltage to low voltage to supplement power supply for terminal equipment, ensuring the stability of new energy power supply systems.
3.4 Commercial and Public Infrastructure
It is also applicable to shopping malls, airports, railway stations, high-rise buildings and other large public facilities and commercial places. These scenarios have large power consumption and high requirements for power supply stability. The 5000kVA high-capacity oil immersed transformer can meet the centralized power demand of multi-equipment simultaneous operation, and realize accurate conversion between medium and high voltage grid power and low-voltage terminal power, ensuring the safe operation of building power distribution systems, lighting systems and electromechanical equipment.
4. Product Features
4.1 Dual Bidirectional Voltage Conversion, Wide Application Range
This 10kv 33kv 35kv 5000 kva step down and step up 220v to 110v transformer supports flexible switching of step-up and step-down modes, covering three mainstream medium and high voltage grades of 10kV, 33kV and 35kV, and perfectly matching 110v and 220v low-voltage terminal equipment. It breaks the limitation of single voltage conversion of traditional transformers, and can adapt to multiple power supply and power generation scenarios, with extremely high equipment compatibility and scene adaptability.
4.2 High Capacity and High Efficiency, Low Operating Loss
With a rated capacity of 5000kVA, the equipment meets the power supply demand of large-load and high-power scenarios. The iron core is made of high-quality high-permeability cold-rolled silicon steel sheets, which effectively reduces no-load loss and load loss. The optimized coil winding structure improves power transmission efficiency, realizing low energy consumption operation. Compared with ordinary transformers of the same capacity, this oil immersed power transformer has lower heat generation and higher energy utilization rate in long-term operation, saving operating costs for users.
4.3 Oil Immersed Cooling, Stable and Durable Operation
Adopting mature oil natural air natural cooling technology, the internal insulating oil forms a natural circulation heat dissipation system, which can quickly export the heat generated by the core and coil during operation. The fully sealed oil tank structure prevents insulating oil leakage and moisture ingress, effectively avoiding insulation aging. The whole machine has the characteristics of low temperature rise, low partial discharge and strong overload resistance, and can operate stably in high temperature, humid and other harsh outdoor and industrial environments, with a service life of up to 30 years.
4.4 High Safety and Strong Environmental Adaptability
The product is manufactured in strict accordance with international safety standards, equipped with overvoltage, overcurrent and short-circuit protection structures, which can automatically cut off the circuit in case of abnormal power supply to avoid equipment damage and safety accidents. The bell-jar type tank body is sturdy and corrosion-resistant, with good rainproof, dustproof and lightning protection performance. It has low operating noise, will not cause noise pollution to the surrounding environment, and meets the environmental protection and safety requirements of industrial, civil and public scenarios.
4.5 Simple Maintenance and Low Comprehensive Cost
The modular structural design of the transformer makes daily inspection and maintenance more convenient. The insulating oil has strong stability and does not need frequent replacement and maintenance. The high-quality core and coil accessories have low failure rate in long-term operation, which greatly reduces later maintenance and replacement costs. With high operation efficiency and low energy consumption, the equipment has excellent cost performance in long-term engineering application.
5. Frequently Asked Questions (FAQ)
5.1 What voltage conversion modes does this 5000kVA oil immersed transformer support?
This transformer supports two core bidirectional conversion modes. The step-down mode can convert 10kV, 33kV, 35kV medium and high voltage grid power to standard 110v and 220v low voltage power for terminal equipment use; the step-up mode can boost 110v and 220v low-voltage electric energy generated by distributed power generation equipment to 10kV, 33kV, 35kV medium and high voltage, meeting grid-connected power transmission requirements. Users can switch the working mode according to actual project power supply and power demand, with flexible and diverse application modes.
5.2 What environmental conditions are suitable for the operation of this oil immersed electric power transformer?
This 10kv/33kv/35kv oil immersed transformer is designed for outdoor and indoor industrial and civil scenarios, adapting to conventional ambient temperature of -20℃ to +45℃. The fully sealed anti-corrosion tank structure can resist rain, dust and mild corrosion, and can operate stably in suburban power distribution stations, industrial parks, mining areas and other harsh environments. It adopts natural heat dissipation without relying on external cooling equipment, and has low requirements for installation environment, no need for special heat dissipation and dust removal facilities, and convenient on-site installation and commissioning.
5.3 What are the main advantages of this transformer compared with dry-type transformers of the same capacity?
Compared with dry-type transformers with the same 5000kVA capacity, this oil immersed power transformer has more prominent heat dissipation performance. The insulating oil has better thermal conductivity than air medium, with faster heat dissipation speed and lower operating temperature rise, suitable for long-term full-load and overload operation. Meanwhile, it has lower manufacturing cost and stronger voltage impact resistance, more stable operation in medium and high voltage scenarios. In addition, the product has longer service life and lower failure rate in outdoor and heavy-load industrial scenarios, with higher comprehensive cost performance, which is more suitable for large-scale power distribution and new energy grid-connected projects.
