
Project Partners
Phone/WhatsApp: 8619131285373
Email: info@zishengtransformer.com
Factory Headquarters: No. 118, Jingyi Street, Economic Development Zone.
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125kVA Oil Immersed Transformer has the characteristics of high efficiency and low loss, which can reduce power consumption and operation cost, and has significant social benefits. The NPC ELECTRIC 125kva Oil Immersed Transformer, manufactured and supplied by a leading Chinese manufacturer, is are highly advanced electrical device engineered to meet the rigorous demands of modern power distribution systems. These transformers are renowned for their exceptional durability, efficiency, and reliability. As a trusted supplier in China, the manufacturer offers a comprehensive range of 125kVA Oil Immersed Transformers tailored to suit various applications, ensuring optimal performance and long-term value to customers worldwide.
Category: Oil Immersed Transformer
Project Partners
Phone/WhatsApp: 8619131285373
Email: info@zishengtransformer.com
Factory Headquarters: No. 118, Jingyi Street, Economic Development Zone.
ZISHENG 125kVA Oil Immersed Transformer is a high-efficiency distribution transformer designed for reliable power transmission and distribution applications. It provides stable voltage conversion solutions for utility networks, industrial facilities, commercial buildings, renewable energy projects, and infrastructure systems.
With a rated capacity of 125kVA, this transformer is suitable for medium-scale power distribution requirements where reliable performance, energy efficiency, and long service life are essential.
The transformer uses high-quality insulating oil as both the cooling and insulation medium. The oil circulation system provides excellent heat dissipation, strong overload capability, and stable electrical performance under continuous operating conditions.
Manufactured with advanced production technology, premium electrical materials, and strict quality control procedures, ZISHENG 125kVA Oil Immersed Transformer features low power loss, high efficiency, excellent short-circuit resistance, and reliable operation in various environmental conditions.
It is widely used in outdoor substations, industrial power systems, solar energy projects, rural electrification, and commercial power distribution networks.
| Parameter | Specification |
|---|---|
| Product Name | 125kVA Oil Immersed Transformer |
| Rated Capacity | 125kVA |
| Transformer Type | Oil Immersed Distribution Transformer |
| Phase | Single Phase / Three Phase |
| Frequency | 50Hz / 60Hz |
| High Voltage Side | Customized |
| Low Voltage Side | Customized |
| Cooling Method | ONAN (Oil Natural Air Natural) |
| Winding Material | Copper / Aluminum |
| Core Material | Grain-Oriented Silicon Steel |
| Insulation Medium | Transformer Oil |
| Installation Type | Outdoor / Indoor |
| Tap Changer | Off-Circuit Tap Changer |
| Tank Type | Sealed Tank / Conservator Type |
| Protection Class | Customized |
| Standard Compliance | IEC / ANSI / Customer Requirements |
The 125kVA Oil Immersed Transformer adopts high-quality grain-oriented silicon steel sheets with optimized magnetic circuit design.
The advanced core design minimizes energy consumption during continuous operation and improves overall transformer efficiency.
The transformer winding system is manufactured using high-conductivity copper or aluminum conductors.
The optimized winding structure ensures stable operation under different load conditions and improves transformer reliability.
The transformer uses high-quality insulating oil for electrical insulation and heat dissipation.
The oil circulation system effectively transfers heat from the core and windings, helping maintain safe operating temperatures.
The transformer tank is manufactured from high-strength steel materials with reliable sealing technology.
The robust tank design enables reliable operation in harsh environments such as high temperature, humidity, and dusty areas.
ZISHENG 125kVA Oil Immersed Transformer is designed for continuous operation in power distribution systems, ensuring stable voltage conversion and dependable power supply.
The oil cooling structure provides efficient heat removal, allowing the transformer to maintain stable temperature during continuous operation and changing load conditions.
The transformer can handle temporary overload conditions due to its efficient cooling system and reinforced internal structure.
The optimized winding design and mechanical structure improve resistance against short-circuit forces and enhance operational safety.
The transformer adopts advanced low-loss materials and optimized electromagnetic design to reduce:
This helps customers improve energy efficiency and reduce long-term electricity expenses.
High-quality materials, reliable insulation systems, and strict manufacturing processes ensure long-term stable operation.
The 125kVA transformer features:
The sealed oil tank structure provides protection against:
It is suitable for outdoor installation in different climate zones.
Routine maintenance includes:
Proper maintenance helps extend equipment service life.
Optional accessories include:
ZISHENG provides customized 125kVA Oil Immersed Transformer solutions according to project requirements.
Available customization:
ZISHENG applies strict quality management throughout the entire manufacturing process.
Including:
Including:
Each 125kVA Oil Immersed Transformer undergoes professional testing:
Only qualified transformers are approved for shipment.
ZISHENG 125kVA Oil Immersed Transformer provides a reliable, energy-efficient, and economical power distribution solution for utility companies, EPC contractors, industrial enterprises, renewable energy developers, and electrical equipment distributors worldwide.
A: A 125kVA Oil Immersed Transformer is a distribution transformer with a rated capacity of 125kVA that uses transformer oil as the insulation and cooling medium.
It is designed to step down medium voltage electricity into low voltage power for industrial, commercial, agricultural, and infrastructure applications. The oil cooling system provides excellent heat dissipation, strong overload capability, and stable operation for long-term power distribution.
A: The main advantages include:
A: The main differences are:
| Item | 125kVA Oil Immersed Transformer | 125kVA Dry Type Transformer |
|---|---|---|
| Cooling Method | Transformer oil cooling | Air cooling |
| Insulation Medium | Transformer oil | Solid insulation materials |
| Installation | Mainly outdoor applications | Mainly indoor applications |
| Heat Dissipation | Excellent | Good |
| Overload Capability | Strong | Good |
| Maintenance | Requires oil inspection | Lower maintenance |
| Fire Safety | Requires oil protection measures | Higher fire resistance |
| Application | Utility networks, substations, outdoor projects | Buildings, data centers, indoor facilities |
Oil immersed transformers are widely selected for outdoor distribution systems requiring reliable operation and efficient cooling.
A: ZISHENG provides customized voltage solutions according to different countries and project requirements.
Common voltage configurations include:
High Voltage Side:
Low Voltage Side:
The voltage ratio can be customized according to local grid standards and customer specifications.
A: Yes. ZISHENG provides both copper winding and aluminum winding options.
The winding material can be selected according to project efficiency requirements and budget considerations.
A: Yes. ZISHENG provides customized transformer solutions according to different project requirements.
Customization options include:
Customized solutions ensure the transformer matches the customer's electrical system and installation conditions.
A: The transformer is widely used in:
A: Yes. The transformer is designed for outdoor power distribution applications.
The strong oil tank structure provides protection against:
It can be customized for tropical, high-temperature, and high-humidity environments.
A: ZISHENG uses high-quality insulating oil suitable for transformer applications.
The transformer oil provides:
Special oil requirements can be customized according to project standards.
A: The oil cooling system transfers heat generated by the transformer core and windings through oil circulation.
Benefits include:
A: Regular maintenance helps maintain safe and reliable operation.
Recommended maintenance includes:
Proper maintenance helps extend transformer service life.
A: ZISHENG applies strict quality control throughout the manufacturing process.
Quality inspection includes:
Each transformer is tested before shipment to ensure reliable operation at the customer's project site.
A: ZISHENG transformers can be manufactured according to:
The applicable standard can be selected according to the destination country and project requirements.
A: Yes. The transformer can be designed for different environmental conditions, including:
The durable tank structure and reliable insulation system ensure stable operation under demanding conditions.
A: A high-quality 125kVA Oil Immersed Transformer can provide decades of reliable operation when properly installed and maintained.
The service life depends on:
ZISHENG uses high-quality materials and strict manufacturing processes to ensure long-term stable performance.
A: ZISHENG provides:
ZISHENG 125kVA Oil Immersed Transformer provides a reliable, efficient, and economical power distribution solution for utility companies, EPC contractors, industrial users, renewable energy developers, and electrical equipment distributors worldwide.
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