12 PULSE RECTIFIER
TRANSFORMERS

Conventional 6-pulse rectifiers generate significant 5th and 7th harmonics. Our 12-pulse rectifier transformers use dual secondary windings with a 30° phase shift to substantially cancel these lower-order harmonics, improving power quality.

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12 Pulse Rectifier Transformers

KEY FEATURES

01
Dual Secondary Phase-Shift
Dual secondary phase-shift design with 30° electrical displacement.
02
5th & 7th Harmonic Reduction
Significant reduction of 5th and 7th harmonic currents.
03
High-Power Rectifier Ready
Suitable for high-power rectifier applications.
04
Low-Loss CRGO Core
Low-loss CRGO core with copper or aluminium wound construction.
05
High Short-Circuit Strength
High short-circuit strength for demanding duty cycles.
06
Optional Electrostatic Shielding
Optional electrostatic shielding for improved CMNR.
Harmonic Performance & Benefits of 12-Pulse Technology
Harmonic Performance
✓Reduced Harmonics: 5th and 7th
✓Dominant Harmonics: 11th and 13th
✓Remaining Harmonics Are Lower in Magnitude and Easier to Filter
Benefits of 12 Pulse Technology
✓Reduced Total Harmonic Distortion (THD)
✓Improved Power Quality
✓Lower Transformer Heating
✓Reduced Neutral Current
✓Improved System Efficiency
✓Reduced Voltage Distortion
✓Increased Equipment Reliability
✓Extended Equipment Life
✓Improved IEEE 519 Compliance
✓Lower Stress on Switchgear and Capacitor Banks
Applications
•Electroplating Plants
•Electrolysis Systems
•DC Power Supplies
•Large Variable Frequency Drives (VFDs)
•Cement Plants
•Steel Plants
•Mining
•Oil & Gas
•Chemical Industries
•Battery Energy Storage Systems (BESS)
•Hydrogen Electrolyzers
•Industrial Automation

WHY CHOOSE MAGNETIC AND CONTROLS?

Optimized Harmonic Mitigation
Dual Secondary Phase Shift
5th & 7th Harmonic Cancellation
High Efficiency CRGO Core
Custom Engineered Solutions

Need the right 12 pulse rectifier transformer
for your application?

Our engineers are ready to help you find the perfect solution for your rectifier system.

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