The most powerful and efficient direct current LED driver circuit is the inductor switch converter recently.
目前的LED直流驱动电路中性能最强、效率最高的是电感式开关变换电路。
The analysis of transient behavior and dynamic performance plays an important role in the research and design of switch converter.
瞬变过程和动态特性分析在开关变换器的研究设计中占有重要地位。
The difference between a hard switching and quasi resonant flyback converter is the turn on time point of the primary switch.
硬开关和准谐振反激变换器之间的差异在于一次侧开关的开启时间点。
All these requirements order operation switch, valves, and corresponding control frequency converter to complete.
所有这些要求顺序操作相应开关、阀门和控制变频器来完成。
The model considers the dynamics of converter switch circuit and can be applied in the analysis for high frequency dynamic characteristics.
该模型考虑了换流器开关电路的动态特性,适用于高频动态特性分析。
This study presents a new single - stage single - switch PFC flyback DC converter.
文章研究了一种新型单级单开关PF C反激变换器。
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。
Soft switching technique could improve the circumstance of the power switch, reduce the losses and increase the efficiency of the converter.
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。
Using space vector pulse-width modulation (SVPWM) signal transformation method, speed regulation of induction motor is implemented by controlling the duty ratio of every converter switch.
利用电压空间矢量脉宽调制(SVPWM)信号变换控制功率变换器各开关器件的导通占空比,实现异步电动机的速度调节。
When frequency converter and PLC is at fault, automatic switch to the original soft start work frequency power operation, ark to ensure the normal work of the compressor.
当变频器及PLC发生故障时,自动切换到原软启动柜工频电源运行,以保证压缩机的正常工作。
So this novel converter has a wide application and huge economy effect in power converting field, especially in the high voltage and high power feild where IGBT is used as the main switch.
尤其适合以igbt作为主功率开关管的高电压、大功率功率变换,具有广泛的应用前景和巨大的经济价值。
The flyback converter running in discontinuous conduction mode can be operated in hard switching or quasi resonant (or valley switching, or ZVS) mode regarding the primary side switch.
电感电流断续工作的反激式变换器一次侧开关可工作于硬开关或准谐振(或谷值开关或零电压开关)模式。
During the operation of ethylene plant, off - line switch of acetylene converter will lead to great loss in ethylene production.
碳二加氢反应器的切换是乙烯装置运行过程中的重大操作工序,而离线切换会造成乙烯产品的大量损失。
The high voltage endurance test device for switch tube is composed of high voltage pulse generator, high voltage breakdown detector, trigger, auto-controller and DC/AC converter.
开关管冲击耐压装置由高压脉冲产生器、击穿检测器、触发器,及自动控制器、DC/AC变换器等构成。
This paper introduces design principle of automatic switch on and automatic driver of DC/DC converter. The circuit is maked and adjusted.
讨论了DC/DC直流变换器的自启动、自激励电路的设计原理,对实际电路进行了制作和调试。
Describes a power factor correction (PFC) circuit, in which the power circuit is a boost converter controlled general switch mode controller IC.
介绍了一种用普通开关电源专用集成电路控制块作为控制电路,以升压式变换器作为功率电路的功率因数校正电路。
Based on the resonance reactor and the Magnetic Energy Recovery Switch (MERS), a novel single-phase AC-DC converter is designed.
将谐振电抗器和磁能恢复开关引入到单相ac - DC变换器中,设计了一种新颖的混合单相ac - DC变换器。
The discrepancy between the actual output voltage and expected output voltage of the matrix converter is calculated and added to the switch modulation matrix in the next sampling period as feedback.
该方法将实际输出电压和期望输出电压的比较偏差作为负反馈加到下一个采样周期的开关调制函数矩阵中。
The DSP sends out the phase shifting control signal and then that amplified by IR2110 chip. It can realize ZVS of the full bridge converter main power switch by the phase shifting drive control.
由DSP发出移相控制信号并经芯片IR 2110驱动放大,在移相驱动信号的控制下可以实现全桥变换器主功率开关的ZVS。
This paper introduces the circuit topology of portable inverter arc welder with soft snubber, mainly power circuit is a double switch forward converter with assistant resonant circuit.
主电路采用具有无源辅助谐振网络的双管正激变换器,与普通双管正激变换器相比,功率管开关状态得到较好的改善,同时并没有增加电路的复杂性。
In a dc-dc converter with a given input voltage, the average output voltage is controlled by controlling the switch on and off durations (ton and toff).
在一个给定了输入电压的直流-直流变流器中,输出的平均电压是通过控制开关的导通和关断时间来控制的。
This paper discussed the principle of a great power battery charger using low cost switch power converter, the practical circuits are presented.
讨论了低成本开关电源式大功率蓄电池充电机的工作原理,并给出了实用的电路原理图。
The operation modes of the interleaved double-transistor flyback converter have been analyzed. The DCM small signal AC model using the averaged switch method has been built up.
本文分析了两路交错并联双管反激变流器的工作模式,采用开关平均法建立了电流断续模式(DCM)下的变流器小信号模型。
The experimental results show that soft switch technology can effectively improve work environment of power converter and greatly decrease its power consumption.
试验结果表明,软开关技术能够有效地改善功率器件的工作环境,明显地降低损耗。
This paper proposes a symmetrical RCD clamp dual switch forward-flyback with current-doubler-rectifier (CDR) converter which adopts the staggered clamp structure with two RCD type circuit.
该文提出一种对称式RCD箝位的倍流整流双管正-反激型直流变换器。
However, due to leakage effects flyback converter power switch off when the voltage spike caused by the need to be inhibited by clamping circuit.
然而,由于漏感影响,反激变换器功率开关管关断时将引起电压尖峰,必须用钳位电路加以抑制。
The results show that this control scheme could realize the high efficiency soft-switch control under the constant switching frequency to the converter.
结果表明,该控制方案能在恒定开关频率下对变换器实现高效率的软开关控制。
The active clamp ZVS-PWM forward converter has been answered for with the merits of the soft switch technique and the magnetic reset technique.
有源钳位z VS - PW M正激变换器可以适应这一发展趋势,因为它具有软开关和磁芯自动复位功能。
The paper analyzes in detail the synthetical method, the voltage gain and the switch action sequence of matrix converter based on the zero-output commutation strategy.
该文对零输出换相策略、电压增益及开关动作顺序进行了详细的分析,并与双电压合成控制策略下共模电压的最大瞬时值进行了对比。
The paper analyzes in detail the synthetical method, the voltage gain and the switch action sequence of matrix converter based on the zero-output commutation strategy.
该文对零输出换相策略、电压增益及开关动作顺序进行了详细的分析,并与双电压合成控制策略下共模电压的最大瞬时值进行了对比。
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