80kVA Step Down Dry Type Transformer
Capacity: 80kVA
Voltage: 11kV/0.4kV
Delivery Year: 2023
Country: Thailand
Key Advantages:
Full Insulation Design: Complies with Dry distribution transformer safety standards, eliminating fire risks with oil-free construction, ideal for Thailand’s humid climate.
Energy Efficiency: Features 3 phase dry type transformer technology, with no-load losses below 0.5kW, meeting European energy efficiency standards and reducing operational costs.
Swift Response: Delivered within 35 days from order confirmation, supporting urgent capacity expansion for a Thai steel factory.
Have questions? GNEE sales representatives are available for live chat now
Send E-mail: sales@gneeelectric.com
Tel: +8615824687445
Product Introduction of Step Down Dry Type Transformer
The 80kVA Dry Type Step Down Transformer is a high-performance 3 phase dry type transformer specifically designed for industrial and commercial power distribution systems. Its key advantages include:
Efficient Voltage Reduction: As a Dry type step down transformer, it precisely adjusts voltage through the turns ratio between primary and secondary windings, reliably stepping down high voltage (e.g., 6.6kV) to low voltage (e.g., 400V) for equipment power requirements.
Reliability and Safety: Built with a fully sealed Dry distribution transformer structure, featuring oil-free, environmentally friendly insulation materials and flame-retardant components for long-term stable operation in high-temperature and high-humidity environments.
Versatile Application: Suitable for data centers, factories, hospitals, and more, offering fluctuation-tolerant load performance with compact size and low noise for space-saving and system reliability.
Products parameter
| Transformer Type | Resin Cast Dry Type |
| Number of Phase | Three Phase |
| Winding Type | Two Winding |
| Winding Material | Aluminum/Copper |
| Rated Capacity | 30-2500KVA |
| High Voltage | 10/11kV |
| Low Voltage | 0.4kV |
| Tapping Range | ±2x2.5% |
| Impedance Voltage | 4% |
| No-load Loss | 0.27kW |
| No-load Current | 2% |
| Frequency | 50/60Hz |
| Connection Group | Yyn0/Dyn11 |
| Cooling Method | ANAF |
| Insulation Class | F |
| Thermal Class | F1 |
| Protection Level | IP00/IP20/IP30 |
| Climatic Class | C2 |
| Environmental Class | E2 |
| Temperature Rise | 100K |
| Operation Altitude | ≤1000m |
Principle of Step-Down Operation
The voltage reduction in a Dry type step down transformer operates based on electromagnetic induction:
When high-voltage current flows through the primary winding of a 3 phase dry type transformer, it generates an alternating magnetic field in the core. This field induces a proportional voltage in the secondary winding, where the turns ratio (N₁:N₂) (e.g., more turns on the high-voltage side than the low-voltage side) determines the voltage step-down. For instance, a primary voltage of 6.6kV and secondary voltage of 400V corresponds to a turns ratio of approximately 16.5:1. The current increases inversely to maintain power balance.
The dry type design of the Dry distribution transformer uses natural or forced-air cooling, eliminating oil leakage risks and enhancing fire safety. Its fully insulated windings and epoxy resin encapsulation ensure reliable operation in harsh environments. The three-phase configuration evenly distributes loads and minimizes harmonic interference, ensuring efficient power transmission and distribution. This principle makes the transformer a robust solution for industrial applications, particularly in scenarios requiring high safety standards and space constraints.
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Why choose us?
GNEE Group:
Global Transformer Supply Chain Integration Expert (2008 - Present)
Founded in 2008, GNEE Group has undergone fifteen years of deep industry cultivation, successfully transforming from a regional trader to a global supply chain management expert. As a pioneer in the integration of the steel industry chain, the group has established a full-cycle value system that spans raw material procurement, production coordination, logistics optimization, and terminal services, setting an innovative operational benchmark in the global transformer distribution sector. In the era of Industry 4.0, GNEE Group is accelerating towards its goal of becoming a global integrator oftransformer industry value through digital restructuring and green supply chain construction.
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