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Rectifier Transformer

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Our oil-immersed Rectifier Transformer is specially engineered for industrial rectification power supply systems, widely applied in metallurgy, chemical electrolysis, electroplating and DC traction industries. Adopting high-quality grain-oriented silicon steel sheet and insulated copper winding, the product features low no-load loss, stable voltage output and strong overload resistance, effectively converting AC power into regulated DC power for rectifier equipment.
Equipped with robust corrugated oil tank and high-performance porcelain bushing, it realizes excellent heat dissipation via Transformer oil circulation, ensuring long-term stable operation under harsh industrial environments. Customizable voltage ratios, tap positions and connection groups are available to match different rectifier bridge configurations like single-phase bridge and three-phase double reverse star.
Strictly manufactured per IEC and GB standards, each unit passes full routine tests before delivery. With compact structure, low noise and high insulation safety, our rectifier transformer provides reliable, cost-effective power conversion solutions for global industrial clients.

Rectifier Transformer Specs: Compare Loss, Noise & Overload for Smelting

Selecting the right rectifier transformer requires balancing efficiency with industrial durability. Hongye’s specialized designs deliver superior performance for electrolysis and metallurgy applications. Our patented low-voltage anti-leakage terminals ensure drip-free sealing, a critical advantage over traditional processes in harsh chemical environments. This technology significantly reduces maintenance risks and enhances operational safety.

Energy Efficiency

Utilizing WISCO grain-oriented silicon steel cores, our transformers achieve no-load losses approximately 10% lower than industry benchmarks. Load losses are also reduced by roughly 10%, directly lowering electricity costs.

Thermal Management

Top-oil temperature rises capped at 45°C against the standard 55°C. Our units offer stronger overload capacity, ensuring stable voltage output even under peak industrial loads.

Noise Levels

Optimized to 50-60 dB, well below the average 60 dB. The compact structure guarantees long-term reliability for global B2B clients through rigorous type testing.

Customizable Solutions

Whether for electrolytic aluminum or rail transit traction, our customizable voltage ratios and connection groups match specific bridge configurations perfectly.

Premium Materials for High-Efficiency Rectifier Transformers

High-efficiency rectifier transformer internal components and construction

Core Components & Material Selection

Our rectifier transformers are built upon a foundation of superior raw materials to ensure exceptional performance in demanding industrial environments. We utilize high-quality WISCO grain-oriented silicon steel sheets with a flux density below 1.68 T for our core components. This advanced material selection, combined with a 45-degree full miter three-step stacked structure, significantly reduces no-load loss and current.

Conductors & Thermal Stability

For winding conductors, we source oxygen-free copper wire from Guilin International with a current density below 3.3 A/mm². This choice enhances conductivity and thermal stability, contributing to the low temperature rise characteristic of our Hongye products. The continuous-winding high-voltage coils are baked and cured as a single body, providing robust short-circuit withstand capability.

Patented Technologies & Durability

Patented technologies further optimize material usage and durability. Our spiral low-voltage coils feature longitudinal oil ducts for improved heat dissipation, while hard winding-cylinder end supports ensure mechanical strength. These material innovations result in load losses approximately 10% lower than industry standards.

Manufacturing Standards & Reliability

The transformer tank is manufactured using automatic welding and undergoes pressure testing at more than five times the national standard. This rigorous process, along with multi-layer anti-corrosion coating, guarantees leak-free sealing even in harsh metallurgical or chemical settings. Each unit meets strict GB and IEC standards, delivering reliable power conversion for electrolysis and traction applications.

High-Efficiency Rectifier Transformers for Industrial Power Conversion

We design rectifier transformers that convert AC power into stable DC output for demanding industrial applications. Our units serve metallurgy, chemical electrolysis, and rail transit sectors with precision engineering.

Exceptional Energy Efficiency

Built with WISCO grain-oriented silicon steel and oxygen-free copper, our transformers deliver superior performance. The patented LV coil structure reduces load loss by approximately 10% compared to industry standards, significantly lowering operational costs.

Unmatched Reliability

Reliability is central to our manufacturing process. We utilize a patented low-voltage anti-leakage terminal system for drip-free sealing in harsh environments. The robust tank undergoes pressure testing at more than five times the national standard.

Superior Thermal Management

Featuring top-oil temperature rise no higher than 45°C and noise levels maintained between 50-60 dB (below the 60 dB average), these attributes ensure smooth operation even in sensitive industrial zones.

Global Compliance & Customization

Each unit complies with GB and IEC standards, verified by authoritative type tests. Whether for electrolytic aluminum or traction power supply, we support global clients with customized solutions for complex power systems.

30+ Years of Reliability: Comprehensive After-Sales & Warranty Support

Hunan Hongye Transformer Co., Ltd. has served the global industrial sector for over 30 years, rooted in the core tenet of always putting user interests first. Our comprehensive after-sales service is designed to ensure the long-term stability and efficiency of your rectifier transformer operations.

  • National Level Certification

    Holds a Class III Power Facility Installation, Repair, and Testing Permit issued by the National Energy Administration.

  • Turnkey Global Support

    Professional technical teams provide installation, commissioning, and maintenance services worldwide with minimal downtime.

  • Spare-Parts & Lifecycle

    Dedicated spare-parts supply and lifecycle maintenance support beyond standard warranty coverage.

  • Rigorous Testing

    Every unit undergoes rigorous type testing at national accredited centers before leaving the factory.

  • ISO9001 Compliance

    Guaranteed consistent product reliability through advanced manufacturing capabilities and quality management.

High-quality Rectifier Transformer manufactured by Hunan Hongye
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