🔹 Product Overview
The 1000 kVA transformador de distribuição (1 MVA transformer) is designed to provide efficient and reliable voltage conversion from medium voltage to low voltage in power distribution systems. It is widely used in industrial plants, commercial facilities, infrastructure projects, and utility networks where stable and continuous power supply is essential.
Manufactured by Sichuan Yawei Transformer, this transformer is engineered with advanced core materials, optimized winding structures, and robust mechanical design to ensure low energy loss, high operational stability, and long service life.
This model supports a wide range of voltage configurations, including 11kV, 22kV, and 33kV on the primary side, and 400V, 415V, 480V, or customized voltages on the secondary side, making it suitable for global applications.
🔹 Key Features and Benefits
✔ High Efficiency and Energy Saving
The transformer is built with high-permeability CRGO silicon steel core, which significantly reduces no-load losses and improves overall efficiency. The optimized electromagnetic design ensures minimal energy waste, helping end users reduce operational costs over time.
✔ Superior Thermal Performance
Equipped with an oil-immersed cooling system (ONAN / ONAF), the transformer offers excellent heat dissipation. The insulating oil acts as both a coolant and dielectric medium, ensuring stable performance even under continuous full-load operation.
✔ Strong Overload Capability
Designed for demanding industrial environments, the 1000 kVA transformer can withstand short-term overload conditions without compromising performance, making it ideal for heavy-duty applications.
✔ Flexible Customization Options
To meet different project requirements, the transformer can be customized in:
- Voltage levels (HV/LV)
- Frequência (50Hz / 60Hz)
- Vector group (Dyn11, Yyn0, etc.)
- Tap changer (off-load / on-load)
- Cooling methods
- Insulation oil type (mineral oil / ester oil)
✔ Durable and Weather-Resistant Design
The tank is constructed with high-quality steel and anti-corrosion coating, suitable for outdoor installations in harsh environments such as high humidity, coastal regions, or industrial zones.
✔ Low Noise Operation
The core structure and assembly process are optimized to reduce vibration and noise levels, making it suitable for urban and commercial installations.
🔹 Technical Specifications
| Parâmetro | Detalhes |
|---|---|
| Potência nominal | 1000 kVA (1 MVA) |
| Fase | Trifásico |
| Frequência | 50Hz / 60Hz |
| Tensão primária | 11kV / 22kV / 33kV |
| Tensão secundária | 400V / 415V / 480V / Custom |
| Método de arrefecimento | ONAN / ONAF |
| Classe de isolamento | A / Custom |
| Grupo Vetor | Dyn11 / Yyn0 |
| Material do núcleo | CRGO Silicon Steel |
| Winding Material | Copper / Aluminum |
| Normas | IEC 60076 / ANSI / IEEE |
🔹 Working Principle
The 1000 kVA distribution transformer operates based on the principle of indução electromagnética. When alternating current flows through the primary winding, it generates a magnetic field in the transformer core. This magnetic field induces a voltage in the secondary winding, effectively stepping down the voltage to a usable level.
The transformation ratio is determined by the number of turns in the primary and secondary windings, ensuring accurate voltage conversion and stable output.
🔹 Applications
This transformer is widely used across multiple industries and sectors:
🏭 Industrial Applications
- Instalações de fabrico
- Heavy machinery operations
- Mining and processing facilities
🏢 Commercial Infrastructure
- Centros comerciais
- Edifícios de escritórios
- Hotels and hospitals
⚡ Utility & Power Distribution
- Urban and rural substations
- Grid distribution systems
- Power transmission networks
☀ Renewable Energy Projects
- Solar power plants
- Wind farms
- Hybrid energy systems
💻 Critical Power Systems
- Data centers
- Telecommunications facilities
- Backup and emergency power systems
🔹 Design and Construction Details
Core Design
The transformer core is made from cold-rolled grain-oriented (CRGO) silicon steel, which ensures high magnetic permeability and low hysteresis loss.
Winding Structure
Windings are manufactured using high-conductivity copper or aluminum, with advanced insulation techniques to ensure mechanical strength and electrical reliability.
Tank and Cooling System
The sealed tank design prevents moisture ingress and oxidation of insulating oil. Cooling radiators or fins are used to enhance heat dissipation efficiency.
Protection Features
Optional protection devices include:
- Revezamento Buchholz
- Oil level indicator
- Sensores de temperatura
- Dispositivo de descompressão
Read More:400kVA Three-Phase Oil-Immersed Power Transformer for Utility and Industrial Power Systems
🔹 Testing and Quality Assurance
Each 1000 kVA transformer undergoes strict factory testing before delivery, including:
- Routine tests (ratio, resistance, losses)
- Type tests (temperature rise, impulse test)
- Special tests (upon request)
All products comply with international standards such as IEC, ANSI, and IEEE, ensuring reliability and safety.
🔹 Advantages for International Buyers
- Direct factory supply with competitive pricing
- Full customization based on project requirements
- Short production lead time
- Export experience to multiple countries
- Complete documentation (drawings, test reports, manuals)
🔹 Installation and Maintenance
The transformer is designed for easy installation and low maintenance:
- Suitable for outdoor or indoor installation
- Minimal maintenance due to sealed oil system
- Periodic inspection recommended for long-term performance
🔹 Why Choose Sichuan Yawei Transformer
- Professional transformer manufacturer in China
- Advanced production facilities and testing equipment
- Strict quality control system
- OEM & ODM services available
- Strong support for international EPC and contractors
🔹 Call to Action
Looking for a reliable 1000 kVA distribution transformer supplier?
Contact Sichuan Yawei Transformer today to get:
- Customized design solutions
- Technical drawings and datasheets
- Competitive quotation within 24 hours
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