250kva 35kv Dry Electric Transformer

When power distribution demands reliability, safety, and environmental consciousness, the 250kva 35kv Dry Type Transformer stands out as a premier solution. These advanced units represent the pinnacle of modern electrical engineering, completely eliminating the need for flammable liquid dielectrics. By utilizing a solid insulation system, they offer a significantly safer alternative for installations where fire safety is non-negotiable, such as in hospitals, schools, commercial complexes, and high-rise buildings. The core of their robustness lies in the Dry Type Cast Resin Electric Transformer design. This technology involves encapsulating the windings in a vacuum-cast, epoxy resin compound. This process creates a transformer that is not only mechanically strong and resistant to moisture, dust, and corrosive atmospheres but also exceptionally stable over a wide range of operating conditions. As a result, this specific Cast Resin Electric Transformer is engineered for minimal maintenance, reduced lifecycle costs, and optimal performance in both indoor and outdoor settings, making it a versatile and dependable choice for modern grid and industrial applications.

Beyond its fundamental safety advantages, the 250kva 35kv Dry Electric Transformer incorporates numerous design features that enhance its operational efficiency and longevity. The cast resin encapsulation provides excellent protection against short circuits and thermal stresses, ensuring stable operation under varying loads. Its design prioritizes low-loss characteristics, contributing to energy savings over its extensive service life. The 250kva 35kv Dry Electric Transformer is also recognized for its quiet operation and reduced electromagnetic emissions, making it suitable for noise-sensitive environments. Furthermore, its non-polluting nature and high recyclability align with stringent environmental regulations and corporate sustainability goals. The construction allows for excellent heat dissipation, which is crucial for maintaining performance and preventing insulation degradation over time.

Key Technical Specifications

• Rated Power: 250 kVA
• Primary Voltage (High Voltage): 35 kV
• Secondary Voltage (Low Voltage): Customizable (e.g., 400V, 480V, 600V)
• Frequency: 50 Hz / 60 Hz
• Insulation Class: Class F (155°C) or Class H (180°C) standard
• Cooling Method: AN/AF (Air Natural / Air Forced)
• Impulse Voltage Withstand: 170 kV
• Ambient Temperature: Maximum 40°C, average 30°C over 24 hours
• Altitude: Up to 1000m above sea level without derating
• Standards Compliance: IEC, IEEE, ANSI, CSA, and other international norms

Detailed Performance & Construction Data

Typical Applications

• Primary and secondary substations in utility networks.
• Renewable energy plants (solar, wind) for step-up/step-down connections.
• Industrial plants, manufacturing facilities, and mining operations.
• Commercial buildings, data centers, and hospitals for critical power.
• Traction substations and railway electrification systems.
• Marine and offshore platform power distribution.