A new type of DC switch power which is possessed a DC voltage input and three DC voltage output, and is able to reach higher efficiency has been introduced in this paper.
本文介绍一种新型的直流开关电源,该电源是一种直流电压输入,三种直流电压输出,并能够达到相当高的效率。
In addition, the thesis analyzes the influence of the filter structure and parameters on the output DC voltage ripple and the shape of phase currents, as well as harmonics of phase currents.
另外,还对滤波器的结构和参数对输出直流电压脉动和发电机相电流波形的影响及相电流谐波进行了仿真分析。
Experiments show that the designed DC DC convertor's output voltage precision is high, the antijamming ability is strong and the adjustable performance is fast and smooth.
实验结果表明,用这种方法所研制的电动汽车DC DC变换器输出电压精度高,抗干扰能力强,调节特性快速、平稳。
The variety of the output DC voltage is less than 0.3% and the efficiency is higher than 85%.
开关电源经试验验证性能良好,直流电压输出纹波不大于0.3%,效率高于85%。
By getting the direction function from the output AC current, the applied time of voltage vectors in one PWM period was chosen, the direction of central current was controlled for DC voltage balance.
该方法通过实时检测三相交流输出电流方向得到方向函数,利用该函数选择一个PWM周期内不同电压矢量作用时间来控制中点电流的方向,实现电压平衡。
Increasing the efficiency of DC voltage can be helpful to increase the output voltage of the inverter.
提高直流电压利用率可以提高逆变器的输出能力。
MPS700 series dc voltage constant-current power supply, is designed by using linear series MOSFET control mode of the ac input dc output power.
MPS700系列直流稳压稳流电源,是采用MOSFE T线性串联调整方式设计的交流输入直流输出电源。
The stability of voltage and current output from HV DC power supply is very important for generating a stable HV electric field.
直流高压电源输出电压和电流的稳定性,对产生稳定的电晕电场极为重要。
The stability of voltage and current output from HV DC power supply is very important for generating a stable HV electric field.
直流高压电源输出电压和电流的稳定性 ,对产生稳定的电晕电场极为重要。
The open loop time constant of the main generator influence the overshooting evidently. The important factor is the rising speed of the output DC voltage.
主发电机的开环时间常数会对建压过冲产生影响,而输出直流电压的上升速度也是一个重要因素。
By digital adjustment with high precision on the DC bias of reference sine wave, the DC bias contained in inverter output voltage can be adjusted to restrain DC circulating current.
通过对逆变器基准正弦波直流分量的高精度数字调节,相应调节逆变器输出电压直流分量以抑制直流环流。
Also, optimized SAPWM modulation wave has been utilized, improving the utility ratio of DC voltage and restraining effectively the output harmonic current of inverter.
并采用优化的SAPWM调制信号,提高了直流电压的利用率,并能有效地抑制逆变器输出的谐波电流。
The DC electromotive force output by AC generator can have quite big pulsating voltage.
交流发电机输出的直流电动势会有较大的脉动电压。
It has been shown that the designed DC switching mode converter has a stable output voltage frequency, small ripple, high operating frequency and low power consumption.
结果表明,所设计的直流开关型变换器集成模块输出电压稳定、纹波小、工作频率,高、功耗低,且体积小。
Because of the ripple of the DC power supply, the output harmonic amplitude of the voltage controlled SPWM inverter is higher.
由于直流供电电源纹波的影响,电压控制SPWM逆变电路的输出谐波分量幅值较大。
The article deals with the functions of DC AC series intelligent power inverters, software PWM technology and alternating voltage output modulation technology.
介绍了DCAC系列智能电源逆变器的功能,软件PWM技术及其交流电压输出调制技术。
Output amplitude in both modes can be controlled by varying the DC source voltage or by varying the pulse-width (pulse-width modulation, PWM).
两种形式的输出幅度可以通过改变直流电源电压或通过改变脉冲宽度(脉宽调制pwm)来控制。
Because the clamp effect of DC voltage source, AC side output the rectangular wave voltage waveform, and it has nothing to do with the load impedance Angle.
由于直流电压源的钳位作用,交流侧输出电压波形为矩形波,并且与负载阻抗角无关。
The structure type of spurting oil beam and the output voltage of DC power were the main factors affecting the electrostatic oiling.
喷油梁结构型式与直流电源输出电压是影响静电涂油的主要因素。
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。
The paper detailed the relationship of input resonant voltage, modulation voltage and output sinusoidal voltage of single phase resonant DC link inverter(RDCLI).
详细研究了谐振直流环节单相逆变器的输入谐振电压与逆变器输出调制电压、输出正弦电压的关系;
It can achieve a fixed output of DC voltage in the universal input range of ac 80 ~ 265 V. It owns the advantages of high efficiency, low total harmonic distortion, PF near to 1.
该方案能在80 ~ 265V宽输入电压范围内得到稳定直流电压输出,具有效率高、总谐波畸变率低、功率因数接近为1等特点。
The simulation results show that the amplifier of improved control circuit not only solve the question of output DC offset, but also keep the voltage gain lowered by voltage compensation technique.
仿真结果表明,改进控制电路后的系统不但解决了输出直流偏置问题,而且解决了电压补偿方法所造成的放大器增益下降问题。
In electronics, a circuit for converting AC voltage to low voltage DC in such a way that the output is regulated to minimize noise and voltage fluctuation.
在电子技术中,把交流电转换成低电压直流电的一种电路。这种电路的输出是经过调整的,使它的噪声及电压波动都很。
Feedforward signal includes the information of both grid voltage and DC side load. Power balance between the input and output can be maintained by adjusting AC side currents.
前馈信号同时包含了电网电压和负载的信息,通过快速调节交流侧进线电流,使得系统功率平衡得以维持。
A new PWM control method for GTR current source rectifier is presented. The mathematical formulae that output voltage of the rectifier and inductance of the DC filter are derived.
提出了一种新的适合于GTR电流型变频器整流器部分的PWM控制方法,推导出了在准圆轨迹PWM控制规律下,整流器输出电压的计算公式和平波电抗器电感量计算的实用公式。
DC model of SOI MOSFET including output current model and threshold voltage model is proposed in this paper. The velocity saturation effect is considered.
本文首先建立了一个SOIMOSFET器件的直流漏电流模型和阈值电压模型,模型考虑了速度饱和效应。
The voltage dividing circuit USES the voltage dividing resistors to divide a DC output voltage from a DC power supply, thereby applying DC output potentials to the respective electrodes.
分压电路通过电阻分压对来自直流电源的直流输出电压进行分压,由此,施加与电极分别对应的直流输出电位。
The main circuit parameters mainly contain AC-side input inductor, DC-side output capacitor, given output voltage of the DC-side.
主电路参数主要有交流输入侧电感值、直流输出侧电容值、给定的直流输出侧电压等。
The main circuit parameters mainly contain AC-side input inductor, DC-side output capacitor, given output voltage of the DC-side.
主电路参数主要有交流输入侧电感值、直流输出侧电容值、给定的直流输出侧电压等。
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