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在分析了采用饱和电感、充分利用功率变压器励磁电感和漏感来实现零电压开关换流的新型软开关埋弧焊逆变器特点的基础上,结合实际课题对高频功率变压器进行了结构和参数设计。实践表明,该新型结构的功率变压器可以成功的在50kVA软开关埋弧焊逆变器中应用。
Based on the analysis of the characteristics of a new type of soft-switching submerged arc welding inverter that uses the saturation inductance and takes full advantage of the excitation inductance and leakage inductance of the power transformer to realize the zero-voltage switching commutation, the structure and characteristics of the high-frequency power transformer Parameter design. Practice shows that the new structure of the power transformer can be successfully used in 50kVA soft-switched submerged arc inverter inverter.