英汉例句

• thirdly, based on the topology of indirect matrix converter, principle, control strategy and zero current commutation of indirect matrix converter is introduced in details.

  然后，在间接矩阵变换器拓扑结构的基础上，着重推导了间接矩阵变换器的基本工作原理、控制策略、零电流换流方法；

• in the case of ideal operational amplifier, circuit analysis was simplified by the ideal summing point restraints of zero voltage and zero current at the inverting input.

  对于理想的运算放大器而言，通过倒相输入处零电压和零电流的理想求和点限制，可以简化电路分析过程。

• for the parameter optimization. this article also analyzes the core components of achieving zero-voltage turn-on and ultra-forearm arm lag zero current shutdown.

  本文还对实现超前臂零电压开通和滞后臂零电流关断的核心元器件进行了参数优化设计。

• a flyback converter with zero current switching (zcs) resonant and power factor correct (pfc) is proposed.

  提出一种具有零电流关断（zcs）的反激式单级功率因数校正（pfc）变换器。

• ways to improve the reliability of arc welding inverter power and the research condition of zero voltage, zero current soft switch inverter are introduced.

  介绍提高我国弧焊逆变电源可靠性的途径以及零电压、零电流软开关变换研究现状。

• 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.

  该变换器中的开关管实现了在零电压下关断，而且其中两个开关管在零电流零电压下开通。

• this circuit is simple with minimum components, and has the soft - switching effect which make the only one switch in the circuit is turned on with zero current and turned off at zero voltage.

  电路中只使用了一个开关管以及最少的元件，但却获得了开关器件零电流开通和零电压关断的效果。

• this paper is an advanced design for switch steady voltage source with zero current cut exchange technology at present.

  设计一种目前较先进的零电流切换技术的开关稳压电源。

• the characteristics of a new zero current switching (zcs) - pwm cell are analyzed.

  分析了一个新的零电流开关（zcs）单元电路的特性。

• this module uses a circuit topology of forward pulse width modulated - zero current quasi - resonance soft - switching , combined with active clamp technology.

  该变换器电路结构上采用正激一零电流準谐振软开关电路拓扑结构，并结合了有源钳位技术；

• zero current car hire driving services on behalf of the driver to send the foreigners, overseas chinese enterprises and institutions, such as more than 80.

  目前聘请华巢汽车代驾服务的派遣驾驶员的外籍人士、海外华侨、企事业单位等已有80多家。

• this paper presents a novel zero voltage and zero current switching (zcs) pwm push pull three level converter in which the voltage stress of switches is input voltage.

  本文提出了一种新型的零电压零电流开关pwm推挽三电平直流变换器，其中开关管的电压应力为输入电压。

• by using late-model chip, the dynamic control was adopted in breaking process for ac contactor to realize zero current interrupt, which traditional ac contactor cant realize.

  利用新型的芯片，对交流接触器分断过程采用动态控制，实现了传统交流接触器无法实现的零电流分断控制技术。

• on the basis of analyzing the current wave in three phase alternating current system, the paper put forward a control method to realize zero current interrupt in three phase intelligent ac contactor.

  本文通过对三相系统的电流波形分析，提出实现智能交流接触器三相触头的零电流分断控制方案。

• a novel zero current transition (zct) pwm boost converter scheme proposed in this paper enables all main and auxiliary switches to be turned on and to be turned off under zero current conditions.

  提出一种双零电流开关pwm升压斩波变换器电路，使得主开关和辅开关的开通和关断都在零电流条件下进行。

• double space vector modulation can realize zero current commutation of the rectifier side, greatly reduce the switch loss, and improve the efficiency of the converter.

  双空间矢量调制两级协调控制能实现整流级零电流换流，极大地减少了开关损耗，提高了变换器的效率。

• the experimental course of single pipe-kickback zero current circuit and 5000khz. 5v/20a zero current double-kickback changer circuit are discussed in this paper.

  记述了单管反激零电流电路及5000khz、5v／20a双反激零电流变换器电路的实验过程。

• with series inductors, the leading switches can realize zero current switching (zcs) in a wide load range using the energy of the output capacitor.

  超前管串联电感，并利用输出滤波电容的能量，可以在很宽的负载范围内实现zcs。

• we choose the transient zero current prior to others, for it is bigger than others mostly. this paper discusses the size of transient zero current and the method of analyzing it.

  文中讨论了零序电流暂态分量的大小和提取方法，对数字仿真和混合仿真试验数据进行分析，结果表明零序电流暂态分量用于单相接地故障识别是可行性的。

• a simple and rapid method of zero current oscillo potentiometric titration of boron is put forward.

  提出了一个快速测定硼的零电流示波电位滴定法。

• a restrictive condition for zero current experimental technology to choose different experimental technology to choose different components , parameters is discussed in the article.

  提出零电流实验技术所要求的合理选择各元器件参数的一个约束条件。

• several zero voltage and zero current switching pwm push pull three level converters are proposed.

  最后，本文还提出了另外几种零电压零电流开关pwm推挽三电平直流变换器。

• second, the power electronic devices work on the zero voltage and zero current sate by applying soft switching circuit, so the power loss is reduced greatly and the efficiency is increased.

  用软开关电路使电力电子器件工作在零电流和零电压开关状态，大大减少开关损耗，提高了整机效率。