Shanghai Changji Electric Co., Ltd. is a professional enterprise specializing in the production of various reactors, power transformers, dry-type transformers, amorphous alloy transformers, special transformers, and box-type substations.
Equipped with modern production facilities, advanced manufacturing processes, and comprehensive testing equipment, the company ensures the production of high-performance products featuring innovative designs, low losses, low temperature rise, low noise, high impact resistance, and strong short-circuit withstand capability.
Core Products: 10kV, 20kV, and 35kV dry-type and oil-immersed reactors
10kV, 20kV, and 35kV oil-immersed transformers
10kV, 20kV, and 35kV vacuum epoxy-cast dry-type transformers
10kV, 20kV, and 35kV non-encapsulated (SG) vacuum pressure-impregnated dry-type transformers
Box-type substations
Additionally, the company can design and manufacture various special transformers according to customer requirements.
For years, the company has adhered to a customer-first philosophy, earning trust and support through a strong commitment to product quality. By continuously improving quality management and pursuing excellence, Zhejiang Changji Electric Co., Ltd. Strives to secure its market position. With full enthusiasm, sincere cooperation, and a win-win business approach, we warmly welcome domestic and international customers to visit, inquire, and discuss potential collaborations!
Our 10 MVA oil transformer is a state - of - the - art electrical device designed to meet the diverse power distribution needs. With a capacity of 10 MVA (10000kVA), this oil - type transformer is a reliable workhorse in the power grid.
The 10 MVA oil transformer operates at a primary voltage of 23kV and a secondary voltage of 13,860V. Its connection group is Ynd11, which is a well - established and widely used configuration in the power industry. This connection group offers several advantages, such as providing a neutral point on the low - voltage side for single - phase loads and better protection against unbalanced loads.
One of the remarkable features of this 10 MVA oil transformer is its dual - frequency operation capability. It can operate at both 50Hz and 60Hz frequencies, making it highly adaptable to different power systems around the world. Whether you are in a region with a 50Hz power grid or a 60Hz one, this 10 MVA oil transformer will perform efficiently.
The oil - type design of the 10 MVA oil transformer is a key factor in its performance. The insulating oil not only provides excellent electrical insulation but also helps in dissipating heat generated during operation. This ensures that the transformer can run continuously without overheating, thereby extending its service life.
Product Description of S11 Oil - Immersed Transformer
1. General Introduction
The S11 oil - immersed transformer is a state - of - the - art electrical device designed to efficiently transform electrical energy between different voltage levels. As an oil transformer, it has a long - standing reputation for reliability and performance in the power distribution and transmission industry.
2. Design Features
- Advanced Core Design: The S11 oil transformer features a high - quality silicon steel core with low loss. The unique lamination structure reduces eddy current losses and hysteresis losses, ensuring high - efficiency power conversion. This design is like a well - tuned engine, smoothly and efficiently transferring electrical power.
- High - Quality Insulating Oil: It is filled with high - grade insulating oil, which not only provides excellent electrical insulation but also serves as a cooling medium. The oil helps to dissipate the heat generated during operation, just as a stream cools a hot spring, maintaining the transformer's temperature within a safe range and extending its service life.
- Robust Enclosure: The transformer is housed in a sturdy steel enclosure that provides protection against environmental factors such as dust, moisture, and mechanical damage. The enclosure is designed to be weather - resistant, ensuring reliable operation even in harsh outdoor conditions.
3. Technical Specifications
- Voltage Rating: The S11 oil transformer is available in a wide range of voltage ratings, from low - voltage to high - voltage applications. This flexibility allows it to be used in various power systems, whether it's a small local distribution network or a large - scale industrial power supply.
- Capacity: It comes in different capacities, ranging from a few kilovolt - amperes (kVA) to several megavolt - amperes (MVA). This wide capacity range makes it suitable for different load requirements, from small commercial buildings to large industrial complexes.
- Efficiency: With its advanced design, the S11 oil transformer offers high efficiency. The low - loss core and high - quality insulating oil contribute to reduced energy consumption, making it an energy - efficient choice for power distribution.
4. Safety and Reliability
- Over - temperature Protection: The S11 oil transformer is equipped with an over - temperature protection system. If the temperature of the oil or the windings exceeds the safe limit, the system will trigger an alarm or even shut down the transformer to prevent damage.
- Short - Circuit Protection: It has excellent short - circuit withstand capability. The robust design of the windings and the enclosure ensures that the transformer can withstand short - circuit currents without significant damage, maintaining the stability of the power system.
5. Application Areas
The S11 oil transformer is widely used in various fields, including:
- Power Distribution: It is commonly used in power distribution networks to step down high - voltage electricity to a level suitable for end - users, such as residential areas, commercial buildings, and industrial parks.
- Renewable Energy: In the field of renewable energy, such as solar and wind power plants, the S11 oil transformer is used to connect the power generation equipment to the grid, ensuring the efficient transmission of clean energy.
In conclusion, the S11 oil - immersed transformer is a reliable, efficient, and versatile oil transformer that meets the diverse needs of the power industry. Whether it's for power distribution, industrial applications, or renewable energy integration, the S11 oil transformer is an ideal choice.
Product Description of Oil Transformer
The oil transformer, a pivotal component in the power transmission and distribution system, offers outstanding performance and reliability. This product description will delve into its product performance, processing technology, materials, usage scope, and provide technical parameters following the IEC standards.
Product Performance
The oil transformer stands out with its remarkable performance. It has high - efficiency power conversion capabilities, minimizing energy losses during the transformation process. With excellent voltage regulation, it can maintain a stable output voltage even under varying load conditions. The oil within the transformer acts as an excellent coolant and insulator. It effectively dissipates heat generated during operation, ensuring that the transformer can work continuously without overheating. Moreover, the oil transformer has a high short - circuit withstand capacity, protecting the power system from potential damage caused by short - circuit faults.
Processing Technology
The manufacturing of the oil transformer involves advanced processing technologies. The core of the transformer is precisely laminated using high - quality silicon steel sheets. These sheets are cut with extreme precision to reduce eddy current losses. The winding process is carried out with great care. The coils are wound tightly and evenly, using advanced winding machines. After winding, the coils are impregnated with special insulating materials to enhance their insulation performance. The transformer tank is fabricated through a series of processes such as cutting, welding, and surface treatment. The welding seams are carefully inspected to ensure they are leak - proof, protecting the internal components from external contaminants.
Materials
High - quality materials are used in the construction of the oil transformer. The core is made of high - grade silicon steel, which has low magnetic hysteresis and high magnetic permeability, contributing to efficient magnetic coupling. The winding is typically made of copper or aluminum conductors. Copper offers excellent electrical conductivity and mechanical strength, while aluminum is lightweight and cost - effective. The insulating oil is a specially formulated mineral oil or synthetic oil with good dielectric properties, high flash point, and low pour point. The transformer tank is usually made of steel, which provides strong mechanical protection for the internal components.
Usage Scope
The oil transformer has a wide usage scope. It is commonly used in power generation plants to step up the voltage for long - distance transmission. In substations, it steps down the voltage to levels suitable for industrial, commercial, and residential use. It can also be found in large industrial complexes, providing power to various electrical equipment. In addition, oil transformers are used in renewable energy power plants, such as wind farms and solar power stations, to integrate the generated power into the grid.
- Residential Areas: They are used to step down the voltage from the distribution network to a level suitable for household use, providing reliable power supply to homes and apartments.
- Commercial Buildings: In commercial buildings such as offices, shopping malls, and hotels, pad mounted transformers are used to meet the power requirements of various electrical equipment, including lighting, HVAC systems, and elevators.
- Industrial Facilities: For industrial facilities, these transformers can provide the necessary power for machinery and equipment, ensuring smooth and efficient operation of the production process.
In conclusion, 35KV and below pad mounted transformers are reliable, efficient, and versatile electrical devices that play a vital role in the power distribution system. Their advanced design, performance characteristics, and protection features make them an ideal choice for a wide range of applications. Whether it is in a residential, commercial, or industrial setting, the pad mounted transformer provides a safe and stable power supply to meet the diverse needs of the end - users.
- ZSG11-3000/34.5KV-0.415KV pad mounted transformer techincal data sheet
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