基于峰值电流模式的零电压软开关弧焊逆变器
A Novel Zero-Voltage Soft-Switching Arc Welding Inverter Based on Peak-Current Mode
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摘要: 针对目前弧焊逆变电源存在的问题,采用一种新型软开关电路拓扑,结合移相控制软开关技术和电流峰 值控制技术,研制了基于峰值电流模式的零电压软开关弧焊逆变器。测试结果表明,该逆变器能够实现全范围 软开关,并且具有良好的限流和自校正能力,可有效地解决功率变压器的偏磁问题。Abstract: To overcome the shortcomings of conventional arc welding inverters, a new soft-switching topology, together with the phase-shifted soft-switching and peak current control technology, is used to develop a newsoft-switching arcwelding inverter. The testresults showthatthe full range soft-switching and the functions of auto-correction and current limiting are realized for the inverter, solving the problem of magnetic bias of the power transformer.
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Key words:
- inverters /
- welding /
- soft-switching /
- peak current /
- phase-shifted control
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