过流保护电路将检测电流转化为栅压控制开关管；
Over-current protection circuits convert the detecting current into the gate voltage which controls the switch FET.
采用自举模拟开关来提高开关管的栅过驱动电压。
The bootstrapped switch is used to improve the gate overdrive voltage.
同时采用软启动电路防止浪涌电流，保护功率开关管。
To protect power switches, soft-starting circuit was designed to overcome the surge current.
晶体开关管的集电极与发射极间的电压取决于电网电压。
The collector voltage of the switching transistor is determined by the voltage of the power network.
解决方法：打开电源更换其开关管，滤波电容，或直接换电源。
Solution: turn on the power to replace the switch tube, filter capacitor, or directly for power.
由于次级主开关管是对电压脉冲进行开关，自然实现了软开关。
Because the main switches of the secondary only conduct voltage pulses, the soft switching of them can naturally be realized.
若某一电磁脉冲阀常吸，应检查对应的电子开关管是否漏电、击穿。
If a electromagnetic pulse valve is always magnetized, it must be checked if the corresponding electronic switch tube is in electric leakage or broken-down.
触发器检测开关管和击穿检测器性能，确保不误检、漏检高压击穿。
The trigger inspected the performance of the switch tube and breakdown detector, for avoiding miss detection.
使用单端反激变换器电路，用PWM信号控制开关管MOSFET。
Single flyback converter circuit, as well as the PWM signal, is used to control the MOSFET.
辅助电路由辅助开关管、耦合电感(反激变压器)和反馈二极管构成。
The auxiliary circuit is composed of an auxiliary switch, a coupled inductor (flyback transformer) and a feedback diode.
通过对电容器充电回路开关管进行控制，实现交流输入端的高功率因数。
High power factor at ac input can be achieved by controlling the switch of capacitor charge circuit.
研究了以功率MOSFET为开关管的串联谐振逆变器的频率跟踪问题。
The paper analyzes the phase-lock technique of serial resonant inverter with power MOSFET as switching device.
提出了一种零电流开关结构的单开关管的三相升压功率因数校正整流器。
Zero current transition (ZCT) topology of the single switch three phase boost power factor correction (PFC) rectifier is proposed.
着重分析了主开关管和辅助开关管零电流开通和关断的过程及实现条件。
The analysis of this paper is concentrated on the procedure of ZCS by the main switch and auxiliary switch including the precondition to realize the ZCS.
而通过移相控制方式，利用开关管的结电容则实现了滞后管的零电压开关。
With the use of phase-shifted control mode and the junction capacitor of the switches, the lagging switches can realize ZVS under any load.
移相控制全桥变换器能够实现开关管的零电压开关，但滞后桥臂难度很大。
Phase - shifted converter realizes zero - voltage - switching with the use of leakage inductor of the main transformer, however, the realization of ZVS for lagging bridge leg is difficult.
移相控制全桥变换器能够实现开关管的零电压开关，但滞后桥臂难度很大。
Phase shifted converter realizes zero voltage switching (ZVS) with the use of leakage inductance of the main transformer, however, the realization of ZVS for lagging bridge leg is difficult.
针对三相六拍两两导通且下桥臂开关管调制方式提出了新型电流检测方案。
A new current detection method is introduced aimed at lower bridge arm modulation when motor is operating at six states.
主开关管和输出整流二极管均实现了ZVS和ZCS，提高了能量传输效率。
The main switch and rectifier diode both work under ZVS and ZCS condition to improve the power transmission efficiency.
将二极管箝位式三电平逆变器应用于三相并联有源滤波器以降低开关管应力。
The diode neutral point clamped three-level inverter for three-phase shunt active power filter is applied to reduce the switch stress.
实验结果证明了该电路能实现三相逆变器开关管的软开关、改善输出波形质量。
The experimental results verify that the circuit mentioned above can realize the soft-switching, improve the quality of output wave.
推导了电荷泵的损耗和效率模型，为电路设计中确定电荷泵开关管的尺寸奠定基础。
It is the basis of computing the size of switch transistors to derive the model of the power dissipation and efficiency of charge pump.
该开关电源采用新颖的双管串联模式，解决了高电压输入条件下开关管的选用难题。
In this switching power supply, the novel mode of serial two-transistor is adopted to solve the difficulty of choosing switch transistor under the condition of high-voltage input.
这种高频电源较好地实现了开关管的零电压（ZVS）软化，得到了较宽的调功范围。
The high frequency inverter used here can achieve zero voltage soft switching (ZVS) and wide power regulation range.
软开关技术能够有效改善功率开关管的工作环境，降低开关损耗，提高变换器的效率。
Soft switching technique could improve the circumstance of the power switch, reduce the losses and increase the efficiency of the converter.
本文比较了在不同的采样开关管和源随器组合方式下，电路的输出摆幅和线性范围的变化。
The output swing and linearity range of the ROIC were compared, using different combinations of the CDS switch and SF structure.
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.
该逆变电路克服了传统逆变器的直通问题，功率开关管和功率二极管可以分别得到最优设计。
This topology overcomes the shootthrough problem in traditional inverter. The switch and diode can be designed separately.
介绍了利用高频开关管IGBT构成模块化充电电源的主电路、控制电路及保护电路的结构、原理。
The structure and theory of main circuit, control circuit and protection circuit of modularized charge power supply composed by IGBT high frequency switch tubes are introduced in this paper.
基于研究高压脉冲串联各个模块的同步性问题，设计了一种适用于串联模块开关管的同步驱动电路。
Based on the research of synchronization problems of high-voltage pulse in series, a synchronous drive circuit for modules in series is designed.
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