This device can be used in three phase converter assembly using thyristors.
可在三相晶闸管变流装置中应用。
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。
This paper presented a thyristor controlled single-phase to three-phase converter suitable for driving an induction motor with a single-phase AC supply.
提出一种单相电源供电时适用于异步电机传动的单相–三相变换器。
Phase-detecting resolution can be improved by raising digits of A/D converter and is independent of the speed of detected object.
通过改变A/D转换器的位数,提高检相分辨率,它与检测对象的运动速度无关。
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.
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。
The application and maintenance of single phase input converter DV700T1500 produced by Panasonic in improving multitool dicing machine are described.
主要介绍松下公司生产的DV 700t1500型单相输入的变频器在多刀切割机改进中的应用及其维护保养措施。
In this paper a new voltage compensator in electric distribution system is discussed, the design employs a PWM AC-AC converter (4, IGBTs per-phase) along with an auto-transformer.
介绍在配电系统中一种新型的电压补偿器,即在自耦变压器中集成pwmAC - AC变换器(每相4个IGBT元件)。
For isolated-type symmetry half-bridge bidirectional converter with phase-shifted control, a simplified circuit under 4 modes using the primary windings of transformer as reference object is built.
以隔离型对称半桥双向变换器为对象,建立了以原边为参考的4种模式下的简化电路,提出了结合开关函数的状态空间平均模型的建立方法。
The suggested system makes use of a single phase HFAC pulse density modulation(PDM) converter as the interface to connect energy storage unit and power source for induction motor drive system.
系统采用间接矢量控制技术,通过高频交流脉冲密度调制接口变换器,对功率进行协调控制。
The relations of the amplitude and the phase of the injected voltage by the series converter of the UPFC are defined in difference control patterns.
确定了统一潮流控制器在不同调节控制方式下所对应的串联注入电压幅值和相位关系。
The difference of output voltage of inverter and 220v is set as control signal, controller change the PWM signal to regulate buck-boost converter and three-phase rectifier.
以逆变器输出的电压和220v的差值作为控制信号。设计控制器根据控制信号改变直流变换器和三相可控整流的PWM控制信号。
A novel full bridge (FB)-phase shift (PS)-zero voltage zero current switching (ZVZCS) converter is proposed.
提出了一种新型的全桥移相零电压零电流变换器拓扑结构。
The working principle, principal block diagram, and the detecting records of the three-phase power converter are also analysed in this article.
本文还对三相功率变换器的工作原理、原理框图以及检测数据进行了分析。
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 article introduces a technology of time amplifier based on frequency converter. It can be used for phase detection of sine period signal or determination of time delay.
本文介绍一种基于频率变换的时间放大技术,可用于正弦周期信号的相位精确测量或延迟时间测量。
The results show that the phase error of the vector measurement is zero, and amplitude errors can be eliminated, and high measurement accuracy can be obtained by using low bit D/A converter.
结果表明,相位测量的理论误差为零,幅度测量的理论误差可用修正系数消除,且使用较低位数的D A转换器,可得到高准确度的结果。
The motion converter (64), operating simultaneously in an opposing phase mode and in phase modes, produces a complex motion of the workpiece.
同时在反相位模式和在同相位模式操作的运动转换器(64)产生工件的复杂运动。
This paper will study the principle of depressing the ripple of full-bridge phase-shift converter by coupled inductor filter.
本文将研究采用互感滤波器来降低全桥移相开关变换器纹波的原理。
In this paper, a current control mathematical model is established with fixed switching frequency for three-phase pulse width modulated (PWM) converter.
建立了三相电压型PWM整流器电流控制数学模型,输入电流在静止坐标系下实现了固定开关频率的解耦控制。
This paper introduces application of monolithic computer AT90S1200 to single-phase bridge-type frequency converter PWM.
文章介绍了AT 90s1200单片机在单相桥式变频器系统中的硬件和软件设计。
As for the three-phase three-level voltage source converter, a simple SVPWM algorithm based on the sector mapping for controlling three-level converter is proposed.
针对电压型三相三电平变流器,提出了一种基于扇区映射、适用于三电平变流器控制、形式简洁的SVPWM算法。
By studying the theory and method of realizing inductive power transfer for moving electrical apparatus in detail, this paper designs the phase-shifting full-bridge series resonance converter.
文中详细分析了感应电能传输技术的理论和方法,进而设计出用于感应电能传输系统的移相全桥串联谐振逆变器。
The harmonic characteristic of input current in single-phase voltage source PWM converter is analyzed theoretically.
从理论上分析了单相电压源pwm变流器输入电流的谐波特性。
To achieve the precision control of phase current or phase flux linkage in switched reluctance motor (SRM), the higher switching frequency of converter is required to increase dynamic response speed.
为了实现开关磁阻电机(SRM)绕组电流或磁链的精确控制,必须提高SR M功率变换器的工作频率以提高系统的动态响应速度。
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。
Due to the prodigious proportion of medium and big electronic equipment in power line, the research of three phase reversible converter is becoming the researching hotpot on international and native.
由于中大功率的电力电子设备在电网中占很大的比重,因此高功率因数的三相可逆变流器的研究已成为当今国内外研究的一大热点。
Due to the prodigious proportion of medium and big electronic equipment in power line, the research of three phase reversible converter is becoming the researching hotpot on international and native.
由于中大功率的电力电子设备在电网中占很大的比重,因此高功率因数的三相可逆变流器的研究已成为当今国内外研究的一大热点。
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