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{"title":"High Voltage Step Down 160 200 kVA 3 Phase Transformer Dry Type 11kV 433V for","imgUrl":"https:\/\/img.chinax.com\/nimg\/6c\/7d\/a79d5e311bf52f29957d769a3c3f-200x200-1\/high_voltage_step_down_160_200_kva_3_phase_transformer_dry_type_11kv_433v_for_real_estate_development.jpg","attrs":[]}
This series of dry type transformers is designed with advanced vacuum pressure impregnation (VPI) and epoxy resin encapsulation technology, offering high safety, low loss, and strong short-circuit resistance.
It is widely used in commercial buildings, industrial power distribution, data centers, and high-temperature regions.
Compliant with IEC60076 international standards, the transformer supports customized copper or aluminum winding options, making it suitable for various voltage levels and global electrical infrastructure projects.
Key Features
High safety epoxy resin encapsulation, oil-free and fire-resistant design
Low loss silicon steel core for high efficiency operation
Strong short-circuit withstand capability
Optimized thermal design for high-temperature regions
Low maintenance and long service life
Customizable design for voltage, capacity, and materials
Technical Specification
Item
Specification
Rated Capacity
50kVA – 2500kVA (customizable)
HV Voltage
6kV / 10kV / 11kV / 13.8kV
LV Voltage
400V / 415V / 690V
Frequency
50Hz / 60Hz
Phase
Three Phase
Cooling Method
AN / AF
Insulation Class
F / H
Temperature Rise
≤100K
Vector Group
Dyn11 / Yyn0
Winding Material
Copper / Aluminum
Protection Class
IP20 / IP23 / IP54
Standard
IEC60076
Noise Level
≤55–65dB
Ambient Temp
-25℃ ~ +50℃ (optional high-temp design)
High-Temperature Market Solutions
Market Challenges:
Overheating in hot climate regions
Fire risk in oil-filled transformers
High maintenance cost
Reduced lifespan under heavy load
Our Solution:
F/H class high-temperature insulation system
Optimized cooling duct design for better heat dissipation
Oil-free structure eliminates fire and leakage risks
Optional forced air cooling system (AF)
Reinforced winding structure for extreme conditions