RESIN CAST DRY TYPE TRANSFORMER, 3150 KVA

The L/C Magnetics 3150 kVA Resin Cast Dry-Type Transformer is designed for reliable, safe, and efficient power distribution in industrial and commercial environments. Utilizing vacuum-cast resin insulation and copper windings, this transformer delivers excellent thermal performance, high mechanical strength, and long service life. Its dry-type construction eliminates fire and environmental risks associated with liquid-filled transformers, making it ideal for indoor installations and sensitive applications.

Electrical Ratings & Performance

• Rated Power: 3150 kVA
• Phase: Three Phase
• Frequency: 60 Hz
• High Voltage: 13.2 kV
• Low Voltage: 460 V
• Connection: Dyn11
• Impedance (at 85°C): 7%
• Tapping Range: ±2 × 2.5%
• K-Factor: K-20
• No-Load Loss: 4,850 W
• Load Loss (at 85°C): 22,000 W

Insulation & Dielectric Strength

• Transformer Type: Resin Cast Dry-Type
• Insulation Class: H
• Lighting Impulse Voltage (HV): 95 kV
• Power Frequency Withstand: 38 kV
• Environment / Climate / Fire Class: E-1 / F-0

The resin-cast insulation system provides excellent resistance to moisture, dust, and contaminants, ensuring stable electrical performance under harsh environmental conditions.

Construction Features

• Copper windings for high efficiency and thermal stability
• Vacuum-cast epoxy resin insulation for superior dielectric strength
• Silicon steel core designed to minimize core losses and noise
• High mechanical strength to withstand short-circuit and inrush forces
• Stainless steel nameplate for long-term durability and identification

Cooling & Thermal Management

• Cooling Type: AF (Air Forced)
• Working Temperature Range: 10°C to +40°C
• Designed for continuous operation at rated load
• Integrated thermal monitoring for safe operation

Monitoring & Protection

• Thermometer: 1
• Temperature Sensor: 1
• Grounding System: Secondary Side
• Ingress Protection: IP31

These features provide real-time temperature monitoring and enhanced operational safety.

Standards & Compliance

• Designed and manufactured in accordance with IEC 60076
• Dry-type construction suitable for indoor installations
• Environmentally friendly design with no oil or liquid insulation

Mechanical Characteristics

• Transformer Dimensions (Ref): 2230 × 1170 × 1850 mm
• Enclosure Dimensions (Ref): 2510 × 1680 × 2200 mm
• Total Weight (Ref): 6,800 kg
• Enclosure Material: Low-carbon steel
• Designed for installation up to 1000 m altitude

Typical Applications

• Industrial power distribution systems
• Commercial and institutional facilities
• Data centers and critical infrastructure
• Utility substations
• Facilities requiring fire-safe, oil-free transformers

Custom Engineering Available

L/C Magnetics offers custom resin cast transformer solutions to meet specific voltage, impedance, protection, and environmental requirements. Please contact us to discuss your application.

To discuss your specific application, please call our number at (714) 624-4740, or send us an email at quote@lcmagnetics.com.