Dry-Type Transformer Technical Specifications

Product Overview

Our dry-type transformers meet all applicable standards and have been field-proven to deliver reliable performance at nationally advanced technical levels. This product line incorporates internationally advanced manufacturing technologies, supported by complete and precise design documentation. Equipped with state-of-the-art production facilities and stable manufacturing processes, we ensure consistently superior product quality through comprehensive quality control systems.

Featuring excellent fire resistance, maintenance-free operation, environmental safety, and easy installation, these transformers represent the optimal solution for modern commercial centers and public spaces with stringent waterproofing requirements.

Key Technical Features

Ultra-Low Loss Performance

• No-load losses reduced by over 20% compared to SCB11 models

• Outstanding energy efficiency with maintenance-free operation

Superior Acoustic Performance

• Noise levels 10-15 dB below JB/T10088-2016 "Sound Level for 6-220KV Transformers" industry standards

Exceptional Partial Discharge Control

• Incorporates dual advanced technologies:

State-of-the-art mixing process

Vacuum thin-film degassing system

• Achieves complete bubble elimination and homogeneous resin mixture

• Maintains partial discharge below 5pC

• Vacuum-pressure casting technology for both HV/LV windings provides:

Complete encapsulation

Effective interlayer impregnation

• Forms dense cured structure with:

Flame-retardant properties (self-extinguishing)

Explosion-proof characteristics

Environmentally safe operation

• Glass fiber insulation materials prevent arc generation during faults

• Zero toxic emissions under high temperature conditions

Enhanced Mechanical Robustness

• Advanced filled resin system features:

Minimal thermal expansion differential

Low curing shrinkage (<0.3%)

Reduced internal stress

• Epoxy encapsulation with pre-formed reinforcement matrix

• Reinforced concrete-like composite structure demonstrates:

Mechanical strength exceeding pure epoxy by 30%

Withstands short-circuit electromagnetic forces (up to 25× rated current)

• Special structural design ensures impact resistance (up to 3g vibration tolerance)

Technical Advantages

• Safety Compliance: Meets IEC 60076-11 flame class F1 requirements

• Reliability: 100,000+ operational hours MTBF

• Environmental: RoHS compliant, 100% recyclable

• Maintenance: Factory-sealed for lifetime operation

Typical Applications

• Critical power distribution systems

• High-rise commercial buildings

• Underground power networks

• Environmentally sensitive areas

• Special applications requiring flame-retardant solutions

Quality Assurance

• Full compliance with IEC 60076, GB 1094, and other international standards

• Routine and type tests conducted in CNAS-certified laboratory

• 36-month quality guarantee

Note: All technical parameters are based on standard conditions (ambient temperature 40°C, altitude<1000m). Customized solutions available for special requirements.