Dry-Type Rectifier Transformer

Product Introduction

Rated Capacity
200kVA ~ 12500kVA (depending on rectifier scheme and model)
Rated Voltage
High voltage side: 35 / 36 / 37 / 38.5 kV Low voltage side: 0.4 / 0.66 / 0.69 kV
Overload capacity
Typically 200% of the rated capacity
Loss
- No-load loss: 0.84~21kW (some models) - Load loss: 7.85~100kW (some models)
Operating Temperature Range
-5°C to 40°C

Nonferrous metal smelting
Aluminum and copper electrolysis, focusing on short-time overload and impact endurance
Chlor-alkali industry
Rectifier power supply front ends, emphasizing continuous operation and electrical isolation
Electrolytic hydrogen production
Electrochemical process power supply systems, focusing on fluctuation control and reliability

Rectification: converts AC to DC, ensuring stable and efficient industrial electrochemical processes.
Electrochemical applications: used in core processes such as aluminum, copper, and magnesium electrolysis, chlor-alkali chemical production, and hydrogen production by water electrolysis.
Hydrogen production: works with photovoltaic and wind power for water electrolysis, enabling high-purity hydrogen output and supporting the low-carbon energy transition.
Eco-friendly and energy-saving: efficient rectification reduces energy consumption and improves system efficiency, supporting carbon neutrality.
Highly adaptable: suitable for electrochemical, power, hydrogen, and other scenarios, supporting large-scale continuous production.

Safe & Reliable
Non-toxic, flame-retardant epoxy resin potting with high mechanical strength; flame-resistant, fireproof, and pollution-free, ensuring safe use.
Easy installation
Units are ready for immediate operation upon arrival; simple, efficient installation reduces construction time and complexity.
High overload capability
The transformer has Class H insulation with heat resistance up to 180℃, plus a maximum 200% overload capacity, ensuring stable operation under high loads.
Low Noise
Noise level is 3–5 decibels lower than the national standard, effectively reducing disturbance to surroundings and improving comfort.
Investment savings
Can be installed integrally with rectifiers and other equipment, eliminating the need for a separate distribution room and saving space and initial investment.
Harmonic impact resistance
Optimized for rectifier loads, withstands harmonics and current ripple for more stable operation

R&D cloud platform
Integrates electromagnetic optimization design, parametric drawing, performance analysis, structural optimization, and automatic drawing output for transformers, enabling shared transformer design resources and search, modification, and version control of all kinds of data.
Simulation Analysis
Flow field, temperature field, electric field, leakage magnetic field, wave process, and short-circuit force. The R&D and design of every product series are verified through flow field and temperature field simulation analysis to determine the winding average temperature rise and hot-spot temperature, ensuring product performance.
Smart O&M platform
By collecting key data such as transformer temperature, current, voltage, vibration, and grid harmonics, it enables online power quality analysis and fault alarms, and can be installed on mobile phones.