voltage zero meaning in English

电压零值

The problem is much more critical when the inverter frequency is high . in a welding machine , the main circuit with the technology of the soft - switching is much idealer than the hard - switching . firstly of all , by the theory of the soft - switching , this paper relatively analysis the advantages of the soft - switching and , with the help of the simulation software pspice , analyzes the main circuit of the full bridge shift - phased zero voltage zero current ( zvzcs ) soft - switching
结合软开关实现原理,本文首先对比分析了软开关在提高效率、降低emi干扰等方面的技术优势,通过pspice软件仿真,分析研究了全桥移相零电压零电流( zerovoltagezerocurrent - - - - zvzcs )软开关电路,详细介绍了该电路的软开关实现过程,并给出了电路模型和关键元件的设计参数。