Feixiangda Three-Phase Auto Transformer is a dry-type auto transformer, adopting auto type Y-shaped connection. It is a single-ring type transformer where input and output share part of the winding, suitable for places requiring mains voltage transformation without safety isolation requirements.
This series of transformers features high efficiency, small size, light weight, strong overload capacity. The input and output voltage are customizable to meet different application scenario requirements. It can withstand instantaneous overload, can work continuously for a long time, with stable and reliable performance.
Power Range: 1-200KVA
Number of Phases: Three-Phase
Input Voltage: Customizable
Output Voltage: Customizable
Efficiency: ≥98% (Auto type)
Design Life: 20 Years
The Three-Phase Auto Transformer works based on the electromagnetic induction principle, adopting auto type Y-shaped connection:
| Feature | Description |
|---|---|
| Single-Ring Structure | A single-ring type transformer, input and output share part of the winding, simple structure, low cost. |
| Auto Type Y-Shaped Connection | Adopts auto type Y-shaped connection, convenient wiring. |
| Customizable Input/Output Voltage | Both input and output voltage can be customized according to customer requirements to meet different application needs. |
| High Efficiency | Work efficiency ≥98%, low energy conversion loss, energy saving and environmentally friendly. |
| Small Size, Light Weight | Compared with isolation transformer, auto transformer is smaller and lighter, easy to install and transport. |
| Strong Overload Capacity | Allows more than 1.2 times the load, suitable for impact loads. |
| Long-term Continuous Operation | Design life of 20 years, can operate continuously for a long time, stable and reliable performance. |
| No Waveform Distortion | No waveform distortion, no harmonic pollution to load equipment. |
| High Insulation Resistance | Insulation resistance ≥100MΩ, safe and reliable. |
| Low Noise | Noise within 50dB/1m, quiet operation. |
| Dry Air Cooling | Adopts dry air cooling method, simple maintenance. |
| Insulation Grade F | Uses Class F insulation material, good heat resistance, safe and reliable. |
| Item | Parameter |
|---|---|
| Product name | Three-Phase Auto Transformer |
| Work Type | Dry auto type |
| Wiring | Auto type Y-shaped |
| Frequency | 50/60Hz |
| Input voltage | Customizable |
| Output voltage | Customizable |
| Connection | D/d;D/y;Y/y;Y/Y;d;Y/yn |
| Insulation grade | Class F |
| Load test | EN-61558-2-4, JEC-204 |
| Withstand voltage test | AC2500V/min between primary and secondary is normal. No abnormal AC 2500V/min between primary coil and iron core |
| Temperature rise | Under full load continuous operation, the temperature of each winding and core in summer is ≤70℃ |
| Insulation resistance | ≥100MΩ |
| Work efficiency | ≥98% |
| Overload capacity | More than 1.2 times the load is allowed |
| Waveform distortion | No distortion |
| Noise | Within 50dB/1m |
| Temperature | Storage temperature -20~60℃, Working temperature -10~40℃ |
| Humidity | 30-90% no condensing |
| Cooling mode | Dry air cooling |
| Executive standard | GB 19212.14-2012 (EN IEC61558-1) |
| Design life | 20 Years |
| Application | Description |
|---|---|
| PCB Drilling Machine | Provides stable voltage conversion for PCB drilling machines, ensuring drilling precision. |
| CNC Equipment | Provides voltage conversion for CNC machining centers, CNC machine tools. |
| Medical Equipment | Provides voltage conversion for medical instruments, ensuring normal operation. |
| Forming Machine | Provides voltage conversion for forming equipment, ensuring normal operation. |
| Exposure Machine | Provides voltage conversion for exposure machines, ensuring exposure effect. |
| Light Painting Machine | Provides voltage conversion for light painting equipment, ensuring drawing precision. |
| SMT Equipment | Provides voltage conversion for SMT pick and place machines, reflow ovens and other equipment. |
| Printing Machinery | Provides voltage conversion for printing equipment, ensuring print quality. |
| Spring Machine | Provides voltage conversion for CNC spring machines, ensuring spring forming accuracy. |
| Laser Cutting Machine | Provides voltage conversion for laser cutting equipment. |
| Testing Equipment | Provides voltage conversion for various testing instruments. |
| Imported Mechanical Equipment | Provides voltage conversion for imported equipment, adapting to different national voltage standards. |
| Servo Drive Power Supply | Provides voltage conversion for servo drives. |
| Lighting Signal Lamp | Provides voltage conversion for lighting signal lamps. |
| Item | Detail |
|---|---|
| Quality System | ISO9001 Quality Management System Certification |
| Product Certification | CE Certified (Compliant with relevant standards) |
| Testing Process | 100% full inspection + 48-hour full-load aging test |
| Warranty | 12 months standard warranty, extendable to 36 months |
| After-sales Service | Lifetime technical support, 7×24 rapid response |
| Advantage | Description |
|---|---|
| Source Factory | Nearly 20 years of power equipment manufacturing experience, own production lines, cost-controlled, guaranteed delivery. |
| Quality Assurance | 100% inspection + 48-hour aging test, ISO9001 certified, product yield rate over 99.7%. |
| Flexible Customization | Supports non-standard customization for capacity, voltage, etc., meeting special requirements. |
| Global Service | 7×24 technical support, 12-month warranty (extendable), lifetime maintenance. |
| Professional Team | Experienced R&D engineers and foreign trade team, providing selection guidance and technical consultation. |
| Technical Accumulation | Nearly 20 years of power equipment manufacturing technical accumulation, mature and reliable products, compliant with international standards. |
Q1: What is the difference between Three-Phase Auto Transformer and Three-Phase Isolation Transformer?
A: Auto transformer is a single-ring type transformer, input and output share part of the winding, small size, light weight, high efficiency, but no electrical isolation function. Isolation transformer is a double-winding transformer, input and output are completely electrically isolated, with safety isolation function.
Q2: What is the efficiency of this transformer?
A: Work efficiency ≥98%, low energy conversion loss, energy saving and environmentally friendly.
Q3: Can the input and output voltage of this transformer be customized?
A: Yes. Both input and output voltage can be customized according to customer requirements to meet different application scenario needs.
Q4: What protection functions does this transformer have?
A: It has overload protection function, allowing more than 1.2 times the load.
Q5: Can this transformer operate continuously for a long time?
A: Yes. The design life is 20 years, can operate continuously for a long time, stable and reliable performance.
Q6: What scenarios is this transformer suitable for?
A: Suitable for PCB drilling machines, CNC equipment, medical equipment, forming machines, exposure machines, SMT equipment, printing machinery, spring machines, laser cutting machines, testing equipment, imported mechanical equipment, etc.
