Key Advantages of Multi-Winding Phase Shift Transformers
Dry-type rectifier duty phase-shifting transformers offer a range of performance benefits that make them ideal for heavy-duty industrial applications:
1. Improved Power Quality & Grid Impact
- Enhances voltage stability and reduces reactive power issues
- Prevents overloading of feeders, circuit breakers, and transformers
- Supports efficient grid interaction and power flow
2. Enhanced Equipment Protection
- Enables smooth motor starts, reducing mechanical and electrical stress
- Extends the service life of motors, drives, and transformers
- Minimizes downtime and maintenance costs
3. Compact and Robust Design
- Electromagnetic and structural optimization reduces overall size and noise levels
- Strong coil support structures ensure high short-circuit resistance
- Designed for long-distance transport and harsh operating conditions without maintenance
4. High Energy Efficiency & Sustainability
- Constructed with low-loss, high-performance silicon steel cores
- Low magnetic flux density design prevents core saturation under harmonic stress
- Windings engineered with low current density for better thermal performance and longevity
5. Customization design
Multi-winding design with phase shifted secondary windings. Multiple winding rectifiter transormer have different phase available, 6, 12, 18，24, 36 pulse.
6. Advanced Insulation and Durability
- Vacuum Pressure Impregnation (VPI) insulation enhances thermal endurance
- High mechanical strength ensures reliable operation during short-circuit events
- Maintenance-free design ideal for remote or demanding environments
Why Choose Varelen Dry-Type Phase Shift Transformers?
Excellent structure, small size and high reliability:
1. With electromagnetic and structural optimization design, small size and lower noise;
2. Same mold windings, special support structure for coil end surface, high strength mechanical, high ability of withstand short-circuit, safe and reliable;
3. Maintenance-free fastening body structure, keep reliable in the long-distance transport and operation
4.Lead lays out neatly, reasonable and nice.
Good solution to harmonic influence:
1. Made of high-performance silicon steel sheet material and lower magnetic flux density design so as to withstand over-voltage and harmonic influence unsaturated.
2. Lower current density design and sufficient margin to make winding withstand additional temperature rise caused by harmonic.
3. Advanced insulation structure that can withstand a variety of over-load insulation impact.
4. Reaching up to maximum 27 phase for secondary winding in result a great reduction of the harmonics influence on the power grid and other equipment.
Applications of Multi-Winding Phase Shift Transformers
Phase shift transformers play a critical role in industries where power quality, system reliability, and motor protection are paramount. applications include:
- Power Generation Plants: Boiler fans, feedwater pumps, and other large motor systems
- Petrochemical and Chemical Industries: Refineries, gas plants, and production facilities
- Municipal Infrastructure: Water supply systems, wastewater treatment, and pumping stations
- Metallurgical & Steel Mills: Rolling mills, furnaces, and process control systems
- Cement and Mining: Crushers, mills, and heavy conveyors
- Pulp and Paper Industries: Automation lines and large process motors
- Pharmaceutical Manufacturing: Precision production requiring clean, stable power
Future Outlook: Rising Demand for High-Pulse Transformer Solutions
With industries rapidly moving toward digitalization and smart manufacturing, the need for clean, reliable power is greater than ever. Emerging trends driving the demand for high-pulse phase shift transformers include:
- Tighter grid codes pushing for better harmonic control
- Greater integration of renewable energy sources requiring advanced rectification
- Increasing need for smart grid compatibility and real-time power management
- Continuous design improvements for reduced size, weight, and environmental impact
Investing in high-pulse transformers positions industrial operations to meet these future demands while securing stable and efficient power delivery.
Conclusion: Varelen’s Phase Shift Transformers—Engineered for Performance and Reliability
By choosing Varelen’s 18-pulse dry-type phase shift transformers, you gain:
- Cleaner, more reliable power
- Superior harmonic mitigation
- Enhanced equipment protection
- Long-term operational savings
Varelen is the trusted partner for industries seeking robust, high-performance power solutions. Our transformers are the ideal choice for power plants, water facilities, heavy industries, and modern manufacturing environments where harmonic control and efficiency are mission-critical.
