辅助开关

无辅助开关的零转换单相PFC整流电路研究

Research on Zero-transition Single-phase PFC Rectifier without Auxiliary Switch

与传统半桥电路相比，改进PWM控制ZVS半桥变换器增加了一个由辅助开关管和一个二极管组成的支路。

Compared with conventional half bridge topology , a branch comprising an auxiliary switch and a diode is added . By using a modified PWM control method , the two main switches conduct symmetrically and can achieve zero-voltage switching ( ZVS ) easily .

辅助开关零电流关断的零电压过渡PWM正激电路

Zero Voltage Transition PWM Forward Converter with Zero current Turnoff Auxiliary Switch

PDM环境下的计算机辅助开关柜快速排布设计

Computer Aided Rapid Design for Switch Ark Layout in the PDM

这种逆变器仅仅包括一个传统的全桥拓扑和一个LC谐振回路，而没有其他的辅助开关元件，因此它的结构非常的简单和紧凑。

The proposed inverter only includes a full-bridge topology and a LC resonant tank without auxiliary switches .

带辅助开关的半桥式串联共振型DC-DC变换器的特性解析

The Analysis of Characteristics for the Half Bridge Type Series Resonant DC-DC Converter with Auxiliary Switches

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 .

PWM控制双向DC-DC功率变换器具有对输入和输出电压大范围变化适应性强的优势；相移控制具有无须辅助开关即可实现双向DC-DC功率变换器零电压开关能力的优势。

PWM plus phase-shift bidirectional DC-DC converter features reduced current stress , conduction losses , switching losses of semiconductors and wide ZVS range .

分析了零电压转换PWMBuck电路所存在的辅助开关硬关断和内部循环电流等问题。

The zero-voltage-transition PWM ( ZVT-PWM ) Buck converter is analyzed , and its problems of the hard switching of auxiliary switch and the internal circulating current are discussed .

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 .

针对30kW开关磁阻电机控制系统的需要，本文设计了Flyback辅助开关稳压电源。

The paper designed a Flyback switching power supply for switched reluctance motor control system .

有源箝位ZVS直流变换器实现了主开关管和辅助开关管的软开关，减少了开关管上的电压应力和反向恢复相关的损耗。

The DC-DC converters can operate on soft switching in ZVS active clamping , so it can reduce voltage stress on switches and loss related to reverse recovery .

提出一种新型ZVT功率因数校正电路，将饱和电感和并联电客加入辅助开关网络中。

A novel ZVT power factor correction circuit is proposed , in which the saturable core and the-capacitor are added to the auxiliary switching network .

采用该策略的变流器与对应的传统硬开关变流器相比，在直流储能环节的回路中增加一个辅助开关，通过适当的控制可实现：DC电压提升；辅助开关零电压零电流工作；

With a proper control , the DC voltage can be boosted , the auxiliary switch works as a full soft-switch , and more switches of the conventional power converter transfer in the zero voltage switching ( ZVS ) or in the zero current switching ( ZCS ) state .

利用仿真和实验对正激式与反激式开关变换器进行抗干扰能力的研究，说明反激式开关变换器用于有源电力滤波器（APF）的辅助开关电源，更有利于APF对非线性问题的抑制。

By researching anti - interference capability of forward and flyback convertors in simulation and experiments , it is certainly concluded that the flyback switching convertor can be used in the auxiliary switching power supply of APF to restrain the nonlinearity phenomena of APF effectively .

主开关实现了零电流开通、零电压关断，开关管电压电流应力小，辅助开关实现了零电流通断，特别适用于以IGBT作为开关器件的高电压大功率场合。

The main switch achieves the zero-current turn on and zero-voltage turn off with the low voltage and current stress . The auxiliary switch achieves the zero-current turn on and turn off , especially applied to the high power where IGBT is predominantly used as the power switches .

对改进型ZVTPWMBuck电路，通过增加缓冲电容和与谐振电感串联的二极管，来克服原电路存在的辅助开关硬关断和由于开关管寄生参数产生的内部循环电流的缺点。

The improved ZVT PWM Buck converter adds a snubber capacitor and a diode being in series with the resonant inductor , to overcome the problems of the hard switching of auxiliary switch and the internal circulating current that exist in the traditional ZVT PWM Buck converter .

根据GG-1A和XGN辅助开关的研究，并参考了其他产品辅助开关的使用方法，对现行XGN的辅助开关进行改进，并提出了可行性方案。

According to the research of GG-1A and XGN assistant-switch , and the reference of the usage of the other assistant-switch , it improves the present XGN assistant-switch and points the probable plan .

电力电子变换器机内辅助开关电源设计与实验

Design and Development of Auxiliary Switching Power Supply in Power Converters

辅助开关在零电流状态下开通和关断。

The auxiliary switch operates at zero-current-switching turn-on and turn-off condition .

校准用副转换开关，主辅助开关镁是许多酶转变的辅助因素。

Master subswitch Magnesium is involved as a cofactor in many enzyme transfers .

基于单周控制的新型环保储能式辅助开关电源

A Novel Switching Power Supply with Function of Power Quality Conditioner based on One-Cycle-Control

然后，设计了提供各个芯片正常工作的辅助开关电源。

Then , it designs auxiliary switching power supplies ensuring normal operation of all chips .

三是用遥控器和车门锁辅助开关都锁不上车门的故障；

Cannot lock the door with the remote controller as well as the door lock assisting switch ;

辅助开关的使用和连接应该经过当地有关管理部门的检查和认可。

Use and connection of auxiliary switch to be reviewed and accepted by local authority having jurisdicition .

此外，续流二极管的反向恢复损耗被降低到最小，辅助开关也实现了零电流开关。

Furthermore , reverse recovery losses of main diodes are minimized , and auxiliary switches commutate at zero current .

实验结果表明，基本实现了主开关管和辅助开关管的软开关，效率高达99%。

Experimental results show that the soft-switching of main switch and auxiliary switch are basically realized and the efficiency is99 % .

机构中的辅助开关与机构主输出轴相连，在分合闸位置时发出相应的分合信号。

The auxiliary switches in mechanism connect with main output axle and give the relative signals in the open and close positions .

单刀双掷开关-辅助开关，可连接到每个管理部门，用于监控辅助设备-每个接线端子一（1）条引线；

S.P.D.T. - auxiliary switch which may be connected per authority having jurisdiction of auxiliary devices-one ( 1 ) lead per terminal ;

传统的BoostZVTPWM变换器的主开关管实现了软开关，但是辅助开关管是在硬开关下关断。

In the conventional Boost ZVT PWM converter , the main switch achieves soft switching while the auxiliary switch is hardly turned off .