零电流开关

新型逆变器的辅助开关均工作在零电流开关条件下，并且控制逻辑简单。

In addition , all of the auxiliary switches in the inverter are in ZCS mode . The control logic of the auxiliary switches is much simple .

一种新型零电流开关DC-DC变换器的研究

Study of A New ZCS DC-DC Converter

非理想E类零电流开关整流器的时域分析

A Time-domain Analysis of Nonideal Class E Zero-current-switching Rectifier

恒频PWM型零电流开关准谐振变流器

Constant Frequency Zero - Current Switching PWM Converter

用Buck型零电流开关准谐振变换器为例，对上述算法的应用作了进一步说明。

Simulation results of a Buck zero-current-switching quasi-resonant - converter are also given .

在以上分析的基础上，进而提出了一种新型零电流开关PWMBuck电路。

Moreover , based on the study above , a novel ZCS PWM Buck converter is proposed .

应用逆阻型IGBT的移相控制电流型全桥零电流开关DC/DC变换器

Current-fed Phase Shift Controlled Full Bridge ZCS DC / DC Converter with Reverse Block IGBT

对传统的零电流开关准谐振变流器电路加以改进，通过引入辅助开关，使准谐振变流器工作在恒频PWM方式下。

This paper introduces a novel constant frequency switching PWM converter , as well as some improvements on the conventional bridge parallel resonant converters .

基于MATLAB的对零电流开关（ZCS）准谐振变换器（QRC）的建模与仿真

Modeling and simulating for zero-current-switching ( ZCS ) quasi-resonant ( QRC ) converters based on MATLAB

而且大部分开关器件仍保留零电流开关特性，因此具有开关电流应力低、EMI小等优点。

Almost all switching devices keep zero-current switching . The proposed PWM scheme has the advantages of low switching current and low EMI .

谐振开关电容变换器（ResonantSwitchedCapacitorconverterRSCC）具有零电流开关的优点，但其输出电压的调节能力差。

Resonant switched capacitor converter ( RSCC ) has the advantage of zero-current switching , however , the regulation of output voltage is poor .

由于软开关的实现不需要任何其它的辅助元件，所以与通常的零电流开关PWMboost仝桥变换器相比，该变换器结构简单，容易实现。

Because the soft switches are realized without adding any auxiliary device , the whole circuit is simple axed can be realized easily comparing with ZCS PWM Boost full-bridge converter .

通过在全桥变换器中增加辅助开关实现了PWM控制，它不仅能够在很宽的负载范围内实现零电流开关和功率因数校正，而且解决了全桥谐振电路中。

The PWM control is achieved by adding two auxiliary switches to the full bridge converter . The proposed converter can achieve zero-current switching and PFC in a very wide load range .

以Boost零电流开关准谐振变换器（ZCS-QRCs）为例，首先根据其工作原理建立了高阶动态电路方程，并推导出适合于变结构控制的大信号电路模型；

The operation principle for Boost zero-current-switching quasi-resonant converters is stated . First , high-order circuit equation is established and a large-signal dynamic modeling approach is proposed which is suitable for sliding mode control .

提出了一种新型直流变换器拓扑&电荷转移式零电流开关CD／DC变换器，对其工作原理作了详细讨论，给出了有关的计算方法和控制实例。

This paper presents a new type of DC conversion topologys-charge transfer zero - current switching DC / DC converter , discusses its operation principle in detail and derives relevant calculating methods and a typical instance of control .

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。

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 .

此变频器结构简单，仅使用1个辅助变压器和2个两极管来实现超前桥臂零电流开关（ZCS）；

The converter has a simple structure with only one auxiliary transformer and two diodes that provide ZCS for the leading leg .

另一个桥臂为两电平桥臂，其开关管电压应力为输入电压，可在很宽的负载范围内实现零电流开关，可以选用IGBT。

The voltage stress of the switches of the two-level leg is the input voltage , and the switches can realize ZCS in a wide load range , so IGBT can be adopted .

仿真结果表明：准谐振PFC实现了零电流开关，动态特性好，负载范围宽，满足了直流屏电源负载的要求。

The results of simulation indicate that quasi resonant PFC has good dynamic performance and wide load range when the IGBT operates with zero current switching . It makes PFC well suited for the transformer substation DC power supply .

介绍一种基于ZCS-PWM（零电流开关-脉宽调制）技术的新型超音频感应焊接电源。

The paper presents a novel ultra-audio frequency ( UAF ) induction welding power based on ZCS-PWM ( Zero Current Switching-Pulse Width Modulation ) technology .

为提高串联谐振式逆变器的输出效率，减小装置功率器件的开关损耗，确保功率器件的零电流开关（ZCS）模式，必须控制逆变器的工作频率始终与负载的谐振频率保持同步。

In order to improve the efficiency of the power and reduce the losses of switching components , the operating frequency of the inverter power is controlled , so as to track the load resonant frequency simultaneously to keep the inverter always operating in Zero-Current-Switching ( ZCS ) mode .

现有FB-ZVZCS-PWM软开关弧焊逆变电源采用阻断电容衰减原边环流电流所需的时间与占空比有关，占空比很小（电源输出电压很低）时滞后臂难以实现零电流开关。

The decreasing time of free-wheeling current is relative to duty cycle in the exiting FB-ZVZCS-PWM soft-switching inverter arc welding power supply with the block capacitor , and it is hard to achieve zero current switching ( ZCS ) for lagging leg with low duty cycle .

该变换器以恒频方式工作，直流传输比简单，负载特性良好，主管与辅助管可实现零电流开关，与传统的ZCS-PWM变换器相比具有更好的可靠性，仿真研究结果与理论分析相一致。

The converter worked at a constant frequency with simple DC transmission ratio and excellent load characteristics . Zero current could be implemented by the main switch and the assistant switch . It proved to be more reliable than the traditional ZCS-PWM converters in both academic analysis and simulation results .

一种准谐振零电流开关逆变电源的电路仿真辅助分析

Circuit-simulation assistant analysis of inverter source with resonant zero - current switch

适用于弧焊电源的一种零电流开关功率交换器

A Zero Electric Current Switch Power Transformer for Arc Welding Power Source

使用零电流开关的电容器充电电源

A Capacitor - Charging Power Supply Using Zero Current Switching

双零电流开关四象限变流器控制方案研究

Study on control strategy of a dual - ZCS four quadrant converter

零电流开关准谐振变换器的分析

The Analysis of Zero Current Switching Quasi Resonant Converter

零电流开关高功率因数整流器的控制方法

The control technique research of high power factor converters with zero current switching

本文研究了串联谐振、并联负载的准谐振零电流开关电源。

This paper researched the quasi-resonant zero-current switching power source of series-resonant and parallel-load .