Three Phase Autotransformer has only one winding on each phase(or coil), one part of the winding acts as primary and another part is secondary.
Compared with isolation transformers, auto transformer features small size, high efficiency, large capacity, less energy loss and lower cost.
Application:
Three Phase Autotransformer is normally used in reduced voltage starting equipment, manual voltage regulators and three phase voltage stabilzers.
Specifications:
| Input Voltage | Three phase 380V/Three phase 220V or Customization | Output Voltage | Customization |
| Noise | ≤50dB | Temperature Raise | ≤50℃(in -25-45℃ environment) |
| Cooling | Air Cooling | Winding Material | Pure Copper |
| Insulation Grade | F/H(can be customized) | Efficiency | ≥98% |
| Insulation Resistance | ≥150MΩ | Impedance Voltage | ≤4% |
| Structure | Vertical | Service Life | 30 years |
| Core Type | EI Type | Core Material | Cold Rolled Silicon Steel Sheet |
| Altitude Requirement | ≤2000M | Output Voltage Accuracy | ±1% |
| Overload Capacity | 1.2 times of rated power | Waveform Distortion | Distortionless |
| Working Temperature | -25-45℃ | Working Humidity | ≤95% Relative Humidity |
Picrures:
