This product is characterized by high efficiency and low energy loss, helping to significantly reduce power consumption and operating costs. It offers notable social and economic benefits and is recognized as a national high-tech promoted product.
Based on traditional designs and mature technology, our company has implemented several improvements, including:

Spiral coils with longitudinal oil ducts for improved internal heat dissipation.
Enhanced end-face support on the coils, providing stronger resistance to short-circuit currents.
A redesigned lifting and body-positioning structure to ensure higher reliability during long-distance transport and operation.
Multiple unique and reliable structural features designed to serve your needs.
Using transformers with higher performance levels, resulting in greater technical value.
A fully sealed oil tank design that isolates the transformer from the atmosphere, preventing and slowing oil degradation and insulation moisture absorption, improving operational reliability, and ensuring maintenance-free operation under normal conditions.

All raw materials undergo strict quality inspection, and all suppliers are thoroughly audited according to national ISO9000 standards.

High-conductivity oxygen-free copper wires with additional surface treatments for smoothness and the absence of burrs, resulting in lower load losses and more reliable electrical performance.
Premium silicon steel sheets with lower unit loss to reduce no-load loss as performance requirements increase.
High-quality laminated wood insulation components that will never crack and remain stable even under short-circuit forces.
Deep-filtered transformer oil with extremely low moisture, gas, and impurity content for higher operational reliability.
High-quality rubber sealing materials that resist aging and eliminate leakage.

Normal Operating Conditions

Altitude: not more than 1000m
Ambient temperature:
- Maximum: +40°C
- Hottest monthly average: +30°C
- Highest annual average: +20°C
- Minimum outdoor temperature: –25°C

The supply voltage waveform should be approximately sinusoidal. For three-phase transformers, the three-phase voltages should be reasonably balanced.

Installation Environment

No significant pollution at the installation site.
Ground acceleration due to earthquakes:
- Horizontal: less than 3 m/s²
- Vertical: less than 1.5 m/s²

Special Operating Conditions
Any special operating conditions outside the normal use requirements must be stated during inquiry and ordering.

Applicable Standards
GB/T1094.1
GB/T1094.2
JB/T10088
GB/T1094.3
GB/T1094.5
GB/T25289
GB/T6451
GB/T7595
JB/T3837

All transformers manufactured by our company comply with the latest versions of the above standards.

Ordering Information
When placing an order, please specify the product model, rated capacity, rated high- and low-voltage levels, high-voltage tap range, number of phases, frequency, and connection group code.