12 Pulse Rectifier Transformer Oil Immersed Transformer for Industrial DC Power Supply
Product Function
The 12 Pulse Rectifier Oil Immersed Transformer is specially designed for high-power rectifier systems that require stable and reliable AC power supply. Its phase-shifting configuration supports 12-pulse rectification, helping reduce harmonic distortion and improve DC output quality. It is widely used in electrolysis, electroplating, metallurgy, mining, chemical processing and other industrial DC power applications.
Manufacturing & Material Features
- 12-Pulse Phase-Shifting Design: Optimized winding configuration provides the required phase displacement for 12-pulse rectifier systems.
- High-Quality Copper Windings: High-purity copper conductors provide excellent electrical conductivity, mechanical strength and thermal performance.
- Grain-Oriented Silicon Steel Core: Low-loss magnetic core material helps improve transformer efficiency and reduce operating losses.
- Oil Immersed Cooling: High-quality insulating mineral oil provides effective electrical insulation and heat dissipation.
- Robust Tank Construction: Welded steel tank with anti-corrosion surface treatment provides reliable mechanical protection for industrial environments.
- Optimized Insulation System: High-grade insulation materials are selected to withstand electrical, thermal and mechanical stresses during continuous operation.
General Technical Parameters
| Parameter | Typical Specification |
|---|---|
| Transformer Type | 12 Pulse Rectifier Oil Immersed Transformer |
| Phase | Three Phase |
| Rated Capacity | 500 kVA–10 MVA+ |
| Primary Voltage | 3.3 kV / 6 kV / 10 kV / 11 kV / 13.8 kV / 20 kV / 33 kV |
| Secondary Voltage | Customized according to rectifier system |
| Frequency | 50 Hz / 60 Hz |
| Cooling Method | ONAN / ONAF |
| Standard | IEC 60076 |
FAQ
Q1: What is a 12 pulse rectifier transformer used for?
It is mainly used to supply power to 12-pulse rectifier systems in high-power DC applications such as electrolysis, electroplating, mining and metallurgy.
Q2: Can the primary and secondary voltage be customized?
Yes. Primary voltage, secondary voltage, capacity, impedance and phase-shifting configuration can be customized according to the rectifier system.
Q3: What cooling method is available?
ONAN is commonly used, while ONAF cooling can be provided for higher-capacity or higher-load applications.
Q4: Can the transformer be designed for different rectifier configurations?
Yes. The winding and phase-shifting design can be engineered according to the customer's rectifier topology and DC output requirements.
Q5: Which standard does the transformer comply with?
The transformer can be manufactured according to IEC 60076 and other applicable customer or project standards.
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