This paper introduces a scheme in which a complex programmable logic device (CPLD) is used in the three phase three pole switch high rating factor convertor to realize logic control.
介绍了在三相三开关高功率因数变换器中应用复杂可编程逻辑器件(CPLD)实现逻辑控制部分的方案。
Zero current transition (ZCT) topology of the single switch three phase boost power factor correction (PFC) rectifier is proposed.
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。
For high power system, every switch of three-phase inverter is actually made up of four MOSFETs in Parallel.
考虑到系统功率较大，三相桥式功率变换器的每个开关器件均采用四个MOS管并联的结构。
This paper researches on three phase capacitor transients, presents a combined switch constructed of contactor and low current thyristors to realize non surge close and non arcing break.
对三相电容器的暂态过程进行了研究，提出采用接触器和小电流晶闸管组成混合开关，实现了合闸时无冲击电流及分断时无电弧。
A novel three-phase VSG is built by three-phase autotransformer and IGBT based bidirectional switch, can easily control the types of voltage sags, sag duration, sag depth and sag phase.
基于三相自耦变压器和由可控器件IGBT构成的双向开关实现的新型三相vsg，可以方便地控制跌落类型、跌落持续时间、跌落深度和跌落相位。
Especially three-phase four-wire active power filter hardware has simple structure with only three group switch device.
特别是三相四线制有源电力滤波器硬件结构简单，只有三组开关器件。
The system is easy to operate and can make three axeses of the machine tool and certain switch signals work in phase, completing the cutting process automatically.
所开发的系统具有简单方便的操作性能，可控制机床的三个驱动轴和多个开关量协调工作，自动完成筛管切分加工的整个工艺流程。
The diode neutral point clamped three-level inverter for three-phase shunt active power filter is applied to reduce the switch stress.
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 three phase converter soft switch control can be realized by avail of resonant DC link.
谐振直流环可以实现三相变流器的软开关控制。
It provides a method for the untouched switch Control for three - phase alternating current motor.
为大功率三相交流电机的无触点控制提供一种方法。
The system also includes a switch control circuit to switch the MOSFET switches in synchronization with the three-phase current flow.
本系统还包括开关控制电路，用于与三相电流同步切换MOSFET开关。
Based on analyzing single phase two-level and three-level 4-quadrant converter's principle, the mathematic model of ideal switch function is established, the principle of SPWM is introduced.
在分析单相两电平和三电平四象限变流器工作原理的基础上，建立了基于理想开关函数的数学模型，介绍了其SPWM调制原理。
A discrete and nonlinear mathematical model of three-phase four-leg inverter is built up with the switch state functions based on the analysis of its working modes.
在分析三相四桥臂逆变器工作模态的基础上，引入开关状态函数建立了四桥臂逆变器系统离散的、非线性的数学模型。
Voltage detect of three phase AC, the warning of over-voltage, under-voltage, lost phase and power failure, two-way AC circuits switch full-automatically.
三相交流电压检测，过压、欠压、缺相、停电告警，全自动双路交流前换功能；
This paper proposes a novel phase-shifted zero-voltage-switch three-level converter. The operation principle of this converter is analyzed, and its phase-shifted circuit and drive circuit are given.
提出了一种新颖的移相控制零电压开关三电平变换器，分析了该变换器的工作原理，并给出了移相控制电路和驱动电路。
This paper proposes a novel phase-shifted zero-voltage-switch three-level converter. The operation principle of this converter is analyzed, and its phase-shifted circuit and drive circuit are given.
提出了一种新颖的移相控制零电压开关三电平变换器，分析了该变换器的工作原理，并给出了移相控制电路和驱动电路。
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