Inductive motor mathematics model suitable for high switching frequency inverter drive is described in this paper.
主要研究适用于高开关频率变频器驱动的感应电动机数学模型。
Because of its high switching frequency and easy series connection, it is suitable for medium voltage high power applications.
由于其开关频率高,易于串联,故适合在中电压大功率领域使用。
The high switching frequency, along with the PWM current-mode architecture, allows for a compact, all-ceramic capacitor design.
高开关频率,随着PWM电流模式架构,允许一个紧凑,全 陶瓷电容设计。
A new drive circuit for IGBT is designed. It features high switching frequency, high driving power, simple-structure and reverse-turn-off.
论文中还设计了一种新型的IGBT驱动电路,它具有开关频率高、驱动功率大、结构简单且具有负压关断的特点。
With this technique, the effect of equivalent high switching frequency converter has been obtained with low switching frequency converter.
提出了基于载波组合相移技术的电流型电力有源滤波器,在较低的开关频率下实现了等效的高频载波效果。
Meanwhile, PWM inverters using high switching frequency device that shortens the rise time of PWM output pulse have been widely applied in high-speed AC driving locomotive.
同时,高速交流传动机车广泛采用高开关频率器件的脉宽调制(PWM)逆变器,使得逆变器输出脉冲具有陡上升沿。
The digital circuits are introduced in the SPWM inversion, which have brought the elimination of harmonics, high switching frequency, simplified circuits and high reliability.
而对于SPWM逆变,采用数字电路实现SPWM触发脉冲的生成,在消除谐波、提高开关频率、简化电路结构,提高集成度和可靠性等方面,取得了很好的效果。
IGCT with current, high voltage, high switching frequency, high reliability and compact structure, and low loss characteristics, but have led to the low yield, a good prospect.
IGCT具有电流大、电压高、开关频率高、可靠性高、结构紧凑、损耗低等特点,而且造成本低,成品率高,有很好的应用前景。
Uses packet switching protocol based on frequency hop scheme with 1600 hops/s to enable high performance in noisy radio environments .
在无线电噪声环境里,利用基于每秒1600跳跳频表的分组交换协议可以提高系统性能。
High frequency switching power supply made from it can not only simplify the circuit, but also can improve the EMC characteristics and reduce the cost.
采用它制作高频开关电源,不仅简化了电路,同时可以改善电源的电磁兼容性能,且降低了制作成本。
Medium frequency high power induction heating apparatus, for many years has adopted silicon controlled as switching devices.
中频大功率感应加热装置,多年来一直采用可控硅做为开关器件。
The simulation and experimental results illustrate advantages of the inverter:fixed switching frequency, high output-voltage performance, and strong nonlinear load adaptability, etc.
仿真和实验结果证实了该逆变器具有开关频率固定,输出电压波形质量好,非线性负载适应能力强等优点。
Arcing: The RFI (radio frequency interference) generated by high voltage switching may disrupt high speed logic circuits.
电弧:高压切换产生的RFI(射频干扰)可能会干扰高速逻辑电路。
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。
It avoids the large system overhead of Thread switching frequency under high concurrency, and improves the server's performance.
这样避免了在并发度较高的情况下,频繁的线程切换带来的大量系统开销,提高了服务器的性能。
The majority of the current pass the accessorial switch, but the switching frequency is low, so the switch consumption is not high.
辅助开关虽然流过大部分电流,但由于其开关频率低,因此开关损耗也不高。
The phase adder in the model is widely applied which could enable system to hold high frequency revolution, fast frequency switching, and easily digital modulating of the signal's phase and amplitude.
模块中的相位累加器,使系统具有较高的频率分辨率,可实现快速频率切换,很容易实现频率、相位和幅度的数控调制,有广泛的应用价值。
Shielding may be essential in a switching system if a mixture of low current, high voltage, and high frequency signals are present.
如果切换系统中会混合出现小电流、高电压和高频信号,屏蔽则非常关键。
The direct digital frequency synthesis (DDS) is a kind of new frequency synthesis method. It has high frequency resolution, fast frequency switching speed, etc.
直接数字频率合成(DDS)是一种新的频率合成方法,具有频率分辨率高、切换速度快等优点。
Short response time: it's fit for switching on & off frequently and the occasion of high-frequency operation.
响应时间短:适应频繁开关以及高频运作的场合。
The main merits of DDS are high resolution and fast frequency switching speed, but the defects of low output frequency and bad spurious performance restrict the application of DDS.
DDS的主要优点是其高分辨率和高捷变速度,但是其较低的输出频率和较差的杂散性能制约了其应用。
However, SMPS operate at high switching frequencies, and the associated transient pulses are full of high frequency harmonics that may cause electromagnetic interference (EMI).
然而,由于开关电源工作在高频状态,其产生的瞬态脉冲包含有能够发射电磁干扰(emi)的的高频谐波。
Water hung in the new Stone Towers is a hardware factory specializing in high-frequency switching power supply shell collection development, design, manufacture and marketing in an enterprise.
里水雄韬新四通五金厂是一家专门从事高频开关电源外壳的集开发、设计、制造和销售于一身的企业。
It has great advantages of frequency stability, high frequency resolution, speed of frequency switching, simple analysis of phase noise and spurious, small size and low power.
其具有频率稳定度好、频率分辨率高、频率切换速度快、相位噪声和杂散干扰分析相对简单、体积小、功耗低等优势。
The FM response magnitude and phase variation effects laser on the high speed frequency switching.
FM响应的大小和相位变化影响激光器的高速频率交换。
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。
It is approved that the novel high frequency power transformer can be applied on 50kva soft-switching submerged arc welding inverter successfully.
实践表明,该新型结构的功率变压器可以成功的在50kva软开关埋弧焊逆变器中应用。
With high chopping frequency and novel control strategy, the size of filter elements is reduced and switching loss of IGBTs drops.
由于采用了较高的斩波频率和新颖的控制策略,减小了滤波元件的尺寸,并降低了IGBT的开关损耗。
With high chopping frequency and novel control strategy, the size of filter elements is reduced and switching loss of IGBTs drops.
由于采用了较高的斩波频率和新颖的控制策略,减小了滤波元件的尺寸,并降低了IGBT的开关损耗。
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