提出了一种新型的全桥移相零电压零电流变换器拓扑结构。
A novel full bridge (FB)-phase shift (PS)-zero voltage zero current switching (ZVZCS) converter is 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。
Several zero voltage and zero current switching PWM push pull three level converters are proposed.
分析了一种新颖的零电压零电流(ZVZCS)开关之电平变换器，以及功率晶体管的驱动电路。
A novel zero-voltage and zero-current switching (ZVZCS) three-level converter, and the drive circuit of the transistor were analyzed.
研制了电流模式零电压零电流开关TIG焊机，其超前臂实现了零电压开关，滞后臂实现了零电流开关。
A current mode zero-voltage and zero-current switching (ZVZCS) inverter TIG welding machine is developed in this paper, which realizes ZVS for the leading leg and ZCS for the lagging leg.
移相全桥直流变换器的软开关技术分为零电压开关（ZVS）和零电压零电流开关（ZVZCS）两大类。
There are two soft-switch schemes of phase-shift full-bridge DC/DC converter: zero-voltage switching (ZVS) and zero-voltage zero-current switching (ZVZCS).
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。
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.
分析了滞后臂串联二极管的全桥零电压零电流开关（ZVZCS）变流器的工作原理并给出了主要设计步骤。
The analysis and design of a ZVZCS FB-PWM converter with two diodes in series with the lagging leg is pre- sented.
采用一种新型移相控制零电压零电流开关PWM全桥变换器拓扑，研制成2 8.5V/10 0A的航空电子变压整流器。
An electronics transformer rectifier unit(TRU)with the output of 28.5V/100A DC is developed by using a novel phase shifted zero voltage and zero current switching PWM converter topology.
最后，通过仿真分析和对50V/20A样机的调试实验，验证了零电压零电流移相控制PWM三电平直流变换器的工作原理。
Finally, the operation principle of Zero-voltage and Zero-current-switching PWM three-level converter is validated by the simulation analyze and the debugging experiment of 50V/20A sample device.
本文还在此基础上设计了软开关逆变电阻焊电源主电路及控制电路：主电路选用全桥零电压零电流（FB-ZVZCS）阻焊电路，其中包括对主电路参数设计和计算；
Introduced a newly designed inverter resistance welding power on this basis, main circuit's topological structure adopt FB-ZVZCS, and do some work about the parameters design and calculate;
通过对这种变换器的工作原理分析可知，主辅开关管都可以实现零电压或零电流开关，且电压、电流应力较小。
Through the operational principle it can be verified that all the switches are capable of achieving ZVS or ZCS condition, and the voltage and current stress are relatively low.
由于零差保护的特殊性，零差继电器本身就是一只灵敏电流继电器或动作功率很小的电压继电器。
Due to the specialty, REF relay is a current relay with very high sensitivity or a voltage relay with very low acting power.
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。
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.
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。
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.
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。
Ways to improve the reliability of arc welding inverter power and the research condition of zero voltage, zero current soft switch inverter are introduced.
本文对产生输入电流过零畸变的各种原因进行了定量分析，指出电感和输入电流与输入电压间的相位差是影响高频输入下输入电流过零畸变严重的根本原因。
This thesis analyzes the zero-crossing distortion, and points out that the major causes are the inductor and the phase displacement between the input current and the input voltage.
甄别电压外推到零时的计数率随光电倍增管阳极电流而改变，当阳极电流的倒数趋于零时，计数率趋于被测源的活度。
The count rate at the extrapolation of bias to zero varies monotonously with the anode current of phototube and tends to the activity of source as the inverse anode current approaches zero.
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。
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.
将电气线路的三相线及中线通过零式电流互感器后，零式电流互感器会把剩余电流信号转换为电压信号。
Putting the three-phase lines and middle line of the electrical circuit through the zero current transformer, the residual current signal will be converted into the voltage signal.
介绍一种新型的零电压、零电流全桥相移pwm弧焊逆变器。
This paper introduces a novel PWM welding inverter with Zero-Voltage-Switching (ZVS) and Zero-Current-Switching (ZCS) phase shift full bridge.
它可使原边所有的开关管零电压导通、副边的整流管零电流关断，因而可实现极高的转换效率。
In resonant converter all switches are working on the ZVS and the secondary diodes are working on the ZCS, so we can achieve high efficiency.
脉冲电源的形式和用途有多种，文章研究了一种软开关直流脉冲电源，主开关管可以实现零电流开通、零电压关断；
This paper research a soft-switch DC pluse power supply. The turning on of main switch can achieve ZCS, and turning off is ZVS.
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 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.
为此，提出了新的控制策略，该控制策略通过检测并消除指令中的零序分量，以破坏无零序电流回路系统的零序电压正反馈条件，消除DVR注入零序电压的不良影响。
So a new control strategy is proposed to detect and suppress the influence of zero sequence component injected by DVR. Simulation results show that the proposed strategy is co…
为此，提出了新的控制策略，该控制策略通过检测并消除指令中的零序分量，以破坏无零序电流回路系统的零序电压正反馈条件，消除DVR注入零序电压的不良影响。
So a new control strategy is proposed to detect and suppress the influence of zero sequence component injected by DVR. Simulation results show that the proposed strategy is co…
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