A power converter circuit (3) drives a switching device by the pulse-width modulated wave for converting a direct current into the three phase alternating current.
电力变换器主电路部（3），其根据该脉冲宽度调制波对开关元件进行驱动，将直流电压转换为三相交流电压；
The active clamp ZVS-PWM power converter circuit has many advantages over the conventional PWM converters. The design and performances of high frequency power supplies are improved.
有源箝位ZVS-PWM开关变换器较硬开关PWM变换器有很大的优点，可以改进高频电源的设计，改善它的性能。
Maintenance department: maintenance industries circuit boards, machine equipment system, main board, controller, power supply, frequency converter, PLC and touch screen.
维修部：维修各行业电路板，机加工设备系统，主板，控制器，电源，变频器，PLC触摸屏等。
The system with DSP-F240 adopts the power converter and driving circuit to fulfill the full digital PWM control.
该系统以DSP-F240为核心，采用功率变换器和驱动电路，实现了金数字PWM控制。
Novel circuit structure and topologies of single-stage DC switching power supplies with uninterruptible power supply and high power factor, based on flyback converter, are proposed.
该文提出了一类基于反激变换器的单级不间断高功率因数直流开关电源电路结构与拓扑族。
To achieve the standby mode system operations, the Tinyswitch flyback converter which features low no-load loss is used for the auxiliary power circuit.
在辅助电源方面，采用低空载损耗之返驰式转换器架构，提供待机模式下所需之系统电源。
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。
The basic operation principle of the series active power filter for harmonic suppression of frequency converter is analyzed in this paper, and its control method and control circuit are studied.
文章分析了适用于变频器谐波抑制的串联型有源电力滤波器的基本工作原理，并对其控制方法和控制电路进行了研究。
The model setting up method of the three module which include power factor correction circuit, two-transistor forward converter, secondly chopper circuit, is discussed in detail.
分别讨论了功率因数校正模块、双正激变换电路模块和二次斩波模块的建模方法。
Receiving the third signal and based on a reference voltage, the switching circuit controls the pulse wave width of the switching signal so as to adjust output current of the power converter.
切换电路接收第三讯号并依据一参考电压，以控制切换讯号的脉波宽度，所以可调整功率转换器的输出电流。
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。
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。
Each of the converter circuit branches may contain a power switching transistor, a diode or a winding of an isolated transformer in addition to general circuit components.
这种电路的每一支路中的元件，除一般电路元件外，还可能包括功率开关晶体管、二极管或隔离变压器的一个绕组。
The work principle, circuit structure and realization method of control of the ML frequency converter system are discussed. The system USES PWM rectifier to realize reactive power compensation.
论述了运用PWM整流器实现无功功率补偿的ML变频系统的工作原理、电路结构和控制的实现方法。
Power electronics including power electronics, inverter circuit and control circuit of three parts, which is the basis for power electronic devices, power electronics converter technology is the core.
电力电子技术包括电力电子器件，变流电路和控制电路三个部分，其中电力电子器件是基础，变流技术是电力电子的核心。
It is introduced here the characteristics, the parameters of the power circuit devices and the control method of the auxiliary converter of 8k electric locomotive.
本文介绍了8k型电力机车辅助变流器的特点、主电路元件参数及控制。
This project is applied to the control circuit of the frequency converter power source of for measuring ground resistance in an electric substation.
此方案成功地应用于变电站接地电阻测量变频电源控制电路中。
Derived the formula for computing quadratic harmonics of output current in the single phase unit power factor ac DC converter based on analysis of the circuit module of the equivalent current source.
在基于对等效电流源电路模型分析的基础上，推导出了单相单位功率因数变流器输出电流二次谐波的计算公式，将输出二次谐波电流正、反向交替注入交流输入侧来抵消电流中的谐波。
In consideration of safety performance, power rating and applications of the recharger, the isolated half-bridge converter circuit is adopted in the main circuit topology.
基于充电机安全性能，功率等级以及应用场合的考虑，主电路拓扑选用的是带隔离的半桥逆变电路。
A new excitation control strategy is proposed for the rotor side converter in an AC excited wind-power generator to allow the system to ride through the grid short-circuit fault.
提出一种电网短路故障时保持交流励磁风力发电机不脱网运行的新型励磁控制策略。
A general design of digital twin-wire welding power supply was selected firstly, and two side-by-side IGBT full bridge converter main circuit structures were designed.
本文首先确定了双丝焊数字化电源的总体方案，设计了两台并行的IGBT全桥逆变主电路的拓扑结构。
The circuit has adopted the 10bit dual resistor ladder D/A converter and has advantages of high voltage accuracy, simple circuit structure and low power consumption.
采用了10位双电阻梯数模转换电路，具有输出电压精度高，电路结构简单， 功耗低等特点。
The power-factor-correction circuit and the DC/DC converter are realized by average-current control and peak-current control, respectively.
功率因数校正级和DC/DC 变换级分别采用平均电流控制和峰值电流控制方法。
The power-factor-correction circuit and the DC/DC converter are realized by average-current control and peak-current control, respectively.
功率因数校正级和DC/DC 变换级分别采用平均电流控制和峰值电流控制方法。
应用推荐