HENGFENGYOU TRANSFORMER|ANSI/IEEE STANDARD TRANSFORMER
HENGFENGYOU TRANSFORMER|ANSI/IEEE STANDARD TRANSFORMER
Hengfengyou 13.2kV US standard three-phase dry-type distribution transformer is a safe, energy-saving, eco-friendly and maintenance-free power distribution product fully compliant with American power industry standards. It is widely used in North American municipal power grids, large industrial parks, commercial complexes, high-rise buildings, data centers and various high-standard indoor power supply scenarios.
With low operating loss, ultra-low noise, excellent flame retardancy and zero pollution, all performance indicators exceed ANSI and IEEE standard requirements. It achieves F1 class fire resistance, with lightning impulse withstand voltage up to 95kV. Equipped with forced air cooling system, it can operate stably under 120% rated load. Supported by complete intelligent temperature monitoring and protection system, the product features high operational reliability and long service life.
Our 13.2kV US standard dry-type transformers have been exported to more than 50 countries and regions, mainly serving North America, Latin America and Oceania markets, and enjoy high recognition in global American-standard power distribution systems.
13.2kV urban distribution network construction and renovation in North America
Indoor power supply for commercial buildings, hospitals, schools and data centers
Power distribution for US-standard industrial enterprises, factories and municipal infrastructure
High-rise buildings, underground substations, crowded public places and fire-sensitive areas
ANSI C57.12.01 / ANSI C57.12.22
IEEE C57.110 / IEEE C57.12.90
IEC 60076 series
GB 1094 series
Low loss & energy saving: Adopts US-standard optimized electromagnetic design, effectively reduces no-load and load loss with remarkable energy-saving effect, meeting North American high energy efficiency requirements.
Ultra-low noise: Low-vibration core and integrated winding structure ensure quiet operation, complying with local noise control standards for residential and commercial areas.
Flame retardant & high safety: F1-level fire performance, self-extinguishing, halogen-free, smokeless and non-toxic, no fire and explosion risks, fully conforming to US building fire safety codes.
Strong impulse withstand: 13.2kV class lightning impulse withstand voltage reaches 95kV, owning outstanding lightning resistance and anti-surge capability to adapt to complex grid conditions.
High overload capacity: Able to run steadily at 120% rated load with forced air cooling, strong adaptability to cope with peak power demand.
Intelligent temperature control: Equipped with temperature monitoring, automatic fan control and overtemperature alarm & trip protection system.
Durable customizable enclosure: Aluminum alloy, cold-rolled steel and stainless steel housings are optional; protection class IP20 / IP23 available.
Maintenance-free: Integral cast resin structure with good moisture-proof, dust-proof and corrosion-resistant performance, suitable for various harsh working environments.
HV winding: Copper strip winding, high vacuum integral casting, exclusive patented flame-retardant epoxy formula meeting US environmental standards
LV winding: Copper foil winding, thermosetting epoxy prepreg insulation, excellent short-circuit resistance
Superior overall integrity, low partial discharge and high mechanical strength
High-quality imported cold-rolled grain-oriented silicon steel sheet
Ladder-type lap joint and multi-stage step-lap design
Special mineral oxide insulating coating, realizing lower no-load loss and lower operating noise
Natural air cooling (AN) / Forced air cooling (AF) dual modes
Real-time temperature monitoring for three-phase windings
Automatic fan start-stop, overtemperature alarm and trip protection
Stable and reliable for long-term continuous operation
Material: Aluminum alloy, cold-rolled steel, stainless steel optional
Protection Class: IP20 (anti-touch), IP23 (rainproof)
Reasonable ventilation design, elegant appearance, easy installation and maintenance
Compact structure and small footprint, suitable for indoor power rooms, basements and narrow electrical spaces
Oil-free design without flammable substances, no special fire protection facilities needed
Low noise design allows installation close to load center to reduce line loss
Matches American standard installation foundation, simple construction and low project cost
Keep installation site dry, well-ventilated and free of corrosive gas
Reserve sufficient safe insulation distance and heat dissipation space
Ensure firm and horizontal foundation installation to avoid vibration and deformation
Adopt standard American-spec cable connection, reliable grounding (grounding resistance ≤ 4Ω)
Complete intelligent temperature monitoring and control system
Overcurrent, overload and overtemperature multi-protection
Built-in surge arrester for overvoltage and lightning protection
Compatible with traditional and intelligent US power distribution systems
Winding DC resistance test
Voltage ratio, polarity and vector group inspection
Insulation resistance test
No-load loss and load loss test
Full function verification of temperature control system
All dry-type oil-free structure, basically maintenance-free
Regular inspection on appearance, operating temperature, connection status and running noise
Periodic dust cleaning to ensure good heat dissipation
Support remote monitoring to realize intelligent operation and maintenance
Long design service life under standard operating conditions
Strong resistance to moisture, dust and salt fog corrosion
Ideal for high-rise buildings, closed indoor spaces and fire-sensitive key areas
| Item | Core Content | Recommended Scheme/Standard |
|---|---|---|
| Type | 13.2kV three-phase dry-type distribution transformer | Cast resin, full copper winding, US standard |
| Standards | Mainstream American power industry standards | ANSI C57.12 series, IEEE C57 series, compatible with IEC & GB |
| Performance | Low loss, low noise, high energy efficiency | Exceeds ANSI/IEEE standard parameters |
| Fire Class | F1 flame retardant, non-toxic, smokeless & self-extinguishing | Prioritized choice for indoor projects per US fire codes |
| Lightning Impulse | 13.2kV level: 95kV | Powerful anti-lightning and anti-surge performance |
| Cooling Mode | AN / AF dual cooling mode | AF mode supports 120% rated load operation |
| Enclosure | Aluminum alloy / cold-rolled steel / stainless steel | IP20 / IP23 optional, customizable |
| Application | US-standard 13.2kV grid, industrial & civil power distribution | Fire-safe, maintenance-free high-reliability power solution |
Hengfengyou 13.2kV US standard three-phase dry-type distribution transformer combines high safety, high efficiency, low noise, environmental protection and maintenance-free advantages. With 30 years of professional manufacturing experience and rich practical experience in American-standard projects, it adopts advanced vacuum casting technology, high-performance low-loss core and intelligent temperature protection system. Its overall performance fully complies with ANSI and IEEE standards, perfectly meeting the power distribution demands of modern North American urban power grids, industrial production and civil construction projects.
This series products have been exported to more than 50 countries, and are widely applied and highly recognized in North America, Latin America and other American-standard regions. We provide global customers with safe, reliable, energy-saving and long-life professional power distribution solutions for various indoor enclosed spaces and fire prevention priority scenarios.
Q1: What is a 13.2kV US standard dry-type distribution transformer?
A: It is ANSI/IEEE certified cast resin oil-free flame-retardant transformer specially developed for 13.2kV American-standard power grid, widely used in indoor buildings, industrial facilities and fire-sensitive areas in North America.
Q2: What are the advantages of 13.2kV US standard dry-type transformer compared with oil-immersed transformer?
A: It features flame resistance, non-toxicity, oil-free design without explosion risk, low noise and maintenance-free operation. It fully meets strict American power and building safety regulations, being the optimal choice for urban indoor and industrial power supply.
Q3: What fire resistance grade does it reach?
A: It reaches F1 fire resistance grade, self-extinguishing, halogen-free, smokeless and non-toxic, complying with US NFPA fire protection specifications.
Q4: What is its lightning impulse withstand level?
A: The 13.2kV model has lightning impulse withstand voltage of 95kV, with strong lightning protection and overvoltage suppression capacity.
Q5: Can it operate in overload condition?
A: Yes. With forced air cooling system, it can keep stable long-term operation under 120% rated load.
Q6: What protection grades are available?
A: IP20 indoor anti-touch type and IP23 rainproof type are available, and shell materials can be customized according to actual demands.
Q7: Does it need frequent daily maintenance?
A: Basically maintenance-free. Only regular appearance inspection, temperature check and dust cleaning are required.
Q8: What scenes is it suitable for?
A: North American 13.2kV distribution network, commercial buildings, hospitals, data centers, high-rise buildings and all kinds of US-standard industrial plants.
Q9: Which standards does it comply with?
A: It strictly follows core American standards including ANSI C57.12.01, ANSI C57.12.22 and IEEE C57 series, and is compatible with IEC and GB standards, satisfying overseas market access and project bidding requirements.
