BBELC
27,500 kVA & 24,300 kVA Phase-Shifting Rectifier Transformer
BBELC’s 27500kVA/24300kVA high power phase shifting rectifier transformer is designed for direct power conversion in large-capacity medium voltage drive systems, providing multi-winding phase-shifted outputs for multi-pulse rectification and harmonic reduction.
Product Introduction
27,500 kVA & 24,300 kVA Phase-Shifting Rectifier Transformer
BBELC’s 27500kVA/24300kVA High Power Phase Shifting Rectifier Transformer is an advanced large-capacity dry type transformer solution, combining ultra-high power conversion capability with high safety, environmental protection, and low maintenance requirements. Designed as an alternative to traditional oil-immersed transformers, it provides reliable medium voltage power conversion through multi-winding phase-shifting technology for high-power VFD systems, rectifier applications, and safety-critical industrial environments.
- Rated Voltage: up to 35KV
- Rated Power: 27.5MVA
- Insulation Class: F/H
- Standard: IEC/IEEE
Applications
Mining & Mineral Processing
Oil & Gas Industry
Steel & Metallurgy
Cement Plants
Rail Transit Power Supply
High-Power Variable Frequency Drives
Product Features
Stable, reliable and high-performance power supply for renewable energy testing and advanced electrical systems.
20MVA+ High Power Capacity
Full copper conductors and radial cooling ducts enable compact large-capacity transformer design.
Low Partial Discharge Structure
Multi-layer continuous windings control partial discharge below 10pC.
Optimized Cooling System
Cooling ducts and forced-air ventilation improve heat dissipation under full-load operation.
Harmonic & Load Balance Optimization
Electrical design addresses harmonic content and winding current imbalance for stable temperature rise.
Low Noise & Vibration Control
Reinforcement and damping measures minimize operating noise and transport vibration risks.
Heavy-Duty Industrial Applications
Designed for VFD systems, mine hoisting, offshore platforms, vessels, nuclear power, and high-rise buildings.
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.