Delta-Core Phase-Shifting Rectifier Transformer
BBELC’s Delta Core Phase Shifting Rectifier Transformer adopts advanced delta core technology and multi-winding phase-shifting design to provide efficient power conversion, harmonic reduction, and reliable operation for medium voltage VFD systems.
Product Introduction
Delta-Core Phase-Shifting Rectifier Transformer
BBELC’s Delta Core Phase Shifting Rectifier Transformer adopts an innovative triangular core structure, providing excellent three-phase magnetic flux balance, low no-load losses, and reduced operating noise. By integrating voltage conversion, electrical isolation, and phase-shifting functions into a compact design, it delivers a highly efficient and space-saving transformer solution for medium voltage VFD systems and rectifier applications.
- Rated Voltage: up to 10KV
- Rated Power: up to 4MVA
- Insulation Class: F/H
- Standard: IEC/IEEE


Applications
Mining & Mineral Processing
Oil & Gas Industry
Steel & Metallurgy
Cement Plants
Renewable Energy Testing Systems
High-Power Variable Frequency Drives
Product Features
Stable, reliable and high-performance power supply for renewable energy testing and advanced electrical systems.
Delta Core Magnetic Design
Triangular core design balances three-phase magnetic flux, reducing no-load losses and operating noise.
Compact High Power Density
Optimized magnetic circuit and structure achieve high power density with reduced installation space.
Space-Saving Transformer Design
Reduced transformer width supports limited spaces: 1700kVA units ≤1260mm and 4000kVA units ≤1360mm.
Efficient Air Cooling System
Natural air cooling with optimized ventilation ensures effective heat dissipation and reliable operation.
Optimized Material Cost
Optimized CRGO and copper conductor usage reduces material consumption and manufacturing costs.
Precise Phase-Shifting Performance
Optimized winding design ensures accurate phase displacement for rectifier and VFD systems.
Routine Testing
Every transformer completes the full routine test sequence in accordance with GB/T 1094.11 and IEC 60076-11 before shipment, and a test report is provided with each delivery.
- 01 — Insulation resistance test
- 02 — Voltage ratio & vector group
- 03 — Load loss test
- 04 — Partial discharge level
- 05 — Withstand voltage test
- 06 — Winding resistance test
- 07 — Induction withstand voltage test
- 08 — No-load loss test
Complete routine test reports are shipped with every unit. Witnessed testing at the factory and re-testing by third-party laboratories are supported.
Certificates& Compliance
Internationally certified & compliant ISO certified | CE, UL & ETL certified | RoHS & REACH compliant. Meeting international standards for quality, safety and environmental compliance.

CE Certificate

ETL Certificate

UL Certificate

ISO9001 Certificate
Lifecycle Service Support
From solution design to installation, operation, and maintenance, our technical and service teams provide full support throughout the product lifecycle.
- Customized dry type transformer solutions
- Technical consultation and product selection
- Electrical drawing and design optimization
- Fast quotation and engineering support
- OEM & project-based customization
- Installation guidance and commissioning support
- Technical documentation and operating manuals
- Online troubleshooting and technical assistance
- Spare parts and maintenance support
- Responsive after-sales service worldwide
Workshop Gallery
Every transformer that leaves our factory comes from a standardized smart manufacturing line.
Need a Customized Dry-Type Transformer Solution?
Submit your technical requirements — our senior engineering team will provide a selection plan and an accurate quotation within 72 hours.
BBELC