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Created on 05.18
Medium Frequency Resistance Welding Transformer Series | High Efficiency Welding Transformer
core component for medium frequency inverter welding machines. Widely used in spot welding, projection welding, nut welding and various metal resistance welding processes. Adopting advanced nano-amorphous iron-based core technology, this welding transformer provides stable DC output, high current transmission, low loss and excellent thermal stability, meeting the high-standard welding requirements for thick plates, multi-layer sheets and industrial mass production.
1. Major Function & Product Features
1.1 Product Structure
The medium-frequency transformer is composed of a rectifier module, high-quality iron core, copper windings and circulating water cooling system. The integrated compact structure ensures stable operation, easy installation and convenient maintenance for industrial welding equipment.
1.2 Electrical Performance Advantages
- Low secondary voltage and high output current perfectly matching resistance welding working conditions.
- Intermittent working mode with reasonable continuous duty cycle, suitable for industrial batch welding.
- Strong power transmission capacity stable instantaneous current output.
- Optional operating frequency 1kHz / 4kHz.
- DC current output low secondary inductance, greatly improving overall thermal efficiency.
- DC welding current realizes concentrated skin effect, gathering welding heat on the welding point and reducing the heat-affected zone. It is especially suitable for multi-layer metal plates and thick plate welding.
1.3 Advanced Amorphous Core Material
The transformer core adopts nano-amorphous iron-based strip material, which is far superior to traditional silicon steel cores. It has outstanding physical and electromagnetic characteristics: high magnetic flux density, high permeability, high Curie temperature, excellent thermal stability, low eddy current loss, low core loss and high magnetic induction intensity. The amorphous core effectively reduces heat generation, improves working efficiency and extends transformer service life.
2. Product Parameter Table
Model | Rated Power (kVA) | Duty Cycle | Primary Voltage (V) | Operating Frequency (Hz) | Rated Current (kA) | Max Current (kA) | Turns Ratio | Insulation Class | Secondary No-load Voltage (V) |
Y90 | 75 | 50% | 500 | 1K/4K | 15 | 23 | 55:1 | F | 9 |
Y120 | 120 | 50% | 500 | 1K/4K | 21 | 38 | 50:1 | F | 10 |
Y180 | 160 | 50% | 500 | 1K/4K | 30 | 43 | 50:1 | F | 10 |
Y250 | 250 | 50% | 500 | 1K | 42 | 55 | 40:1 | F | 12.5 |
Y350 | 300 | 50% | 500 | 1K | 55 | 65 | 40:1 | F | 12.5 |
3. Product Advantages
- Amorphous Iron Core Low core loss, low heat generation and stable magnetic performance.
- DC Output Concentrated welding heat, beautiful welding spot, small heat-affected zone.
- Water Cooling System Continuous circulating water cooling ensures long-time stable operation.
- High Insulation Grade Insulation class F, safe and durable for harsh industrial environments.
- Multiple Models Complete series from Y90 to Y350 to meet different welding power requirements.
4. Application Scope
This medium frequency welding transformer is widely used in automotive manufacturing, sheet metal processing, hardware welding, nut projection welding, thick plate welding and automated resistance welding production lines. It matches all kinds of medium frequency inverter spot welding machines, providing reliable power support for industrial welding equipment.
5. Conclusion
Our medium frequency resistance welding transformer series adopts advanced amorphous core technology, stable DC output and high current transmission performance. With complete models, simple structure and low energy consumption, it is the ideal power accessory for high-performance resistance welding machines. If you need customized transformers or technical parameters, please feel free to contact us.
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