zero voltage中文什么意思

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1. ( 2 ) each state of the total switching period has been studied in detail , in which the voltage of block capacitor and current of leakage inductance of main transformer and keeping time of each state have been discussed , then the condition of zero voltage switching is attained , which gives theory guidance for setting reasonable dead time , finally , the possibility of zero voltage switching is proved by simulation of saber software
   ( 2 )对不对称半桥在一个完整的开关周期内各个状态分析，描述了隔直电容电压和变压器漏感电流的变化规律，各个状态的持，然后得出实现zvs的条件，从而为设置合理的死区时间提供了理论指导，最后用saber软件进行了仿真，验证了零电压开关实现的可能性。
2. 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。
3. Based on the detailed analysis of the principle of single - phase active pfc , the high power active pfc circuit is designed , and the method of designing boost inductor is also given in the paper . a high power phase - shifted - control soft - switching full - bridge converter is designed , and the condition of achieving zvs ( zero voltage switching ) is studied in detail
   论文在详细分析和研究单相有源功率因数校正原理的基础上，设计出大功率有源功率因数校正电路，并给出电路中升压电感的设计方法；设计出了大功率移相控制全桥软开关pwmdc dc变换器，详细的研究了实现zvs的条件。
4. Serial - parallel combined two - transistor forward converter is presented for high input voltage and high power application , and the operation principle of the topology is analyzed in this paper . all switches are turned off with zero voltage switching , and the two switches of them are turned on with zero current and zero voltage switching . the difference of input capacitances , conducting voltage drop of switches , duty cycle and windings of the transformer of the combined converter influences the voltage balance of the input capacitors
   本文介绍了双管正激变换器的两种稳定工作状态，详细分析了带lcd无损箝位网络的并?并组合式双管正激变换器的工作原理，该组合式变换器中的开关管实现了零电压关断，并介绍了该电路拓扑的特点和lcd网络参数设计，采用pspice软件进行了仿真和分析，最后，研制出一台2 . 3kw样机。
5. ( 4 ) the experiment of asymmetrical half bridge converter design and the result of it base of the above analysis , the dc / dc converter is designed , it is proved that asymmetrical half bridge can realize zero voltage switching when it satisfies the condition of load current and deadtime by the experiment
   ( 4 )不对称半桥的实验电路设计及实验结果基于前面的分析，设计了一个不对称半桥dc dc变换器的实验电路，进行了实验研究，实验结果证实了在满足死区和负载电流两个条件时，不对称半桥可以实现零电压开关。