Soft switching is one of key technology to solve these problems.
软开关技术是解决功率密度和电磁兼容性的关键技术。
参考来源 - 相移加PWM复合控制双向DCOne is the high frequency harmonics interference, which can be eliminated by using soft switching mode. Meanwhile, the efficiency and reliability of the arc-welding inverter power source could be improved by using soft switching mode.
谐波问题本身又包括两个方面：一是高频谐波问题，采用软开关方式，不仅可以有效消除高频干扰的产生，而且由于开关损耗的减少而使逆变式弧焊电源的效率和可靠性进一步得到提高；二是低频谐波问题，由于逆变式弧焊电源对电网来说，本质上是一个大的整流电源，输入电流波形畸变严重，需要进行功率因数校正和降低谐波畸变率。
参考来源 - 特种数字化弧焊电源关键技术研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The efficient approach to solve switching dissipation is to use soft switching technique.
解决开关损耗的有效途径是采用软开关技术。
The result of simulation shows that the circuit has the soft switching characters and its high harmonic has been decreasing.
结果表明该电路在具备了软开关特性的同时，还可以有效地降低高次谐波含量。
Soft switching technique could improve the circumstance of the power switch, reduce the losses and increase the efficiency of the converter.
软开关技术能够有效改善功率开关管的工作环境，降低开关损耗，提高变换器的效率。
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