To avoid the current resonance caused by LCL filter, damping resistance is usually needed, which increases wastage and reduces system efficiency.
为了避免LCL滤波器发生电流谐振,通常需要加入阻尼电阻,则导致损耗增加,降低系统效率。
Only little differences in the frequency range under 1 MHz at different current peak values (Fig. 14 and Fig. 15) can be noticed except from some resonance frequencies.
除了几个谐振频率,在1兆赫兹以下的频带,干扰信号在不同峰值电流下测试出来的结果仅有微小的差别(图14和图15)。
Then we improve the circuit of the experiment based on the conclusion, make the current and voltage better using of the technology of soft switching and series resonance.
然后,在这一结论的基础上对原先的实验电路进行了结构的优化,使用软开关技术与谐振技术使输出电压、电流满足电源系统的基本要求。
Installation filter in power system to control harmonic pollution could effectively reduce the system loss and avoid harmonic resonance or current amplification.
在电网中安装滤波器来治理谐波污染,可以有效地降低系统网损,能够避免谐波谐振或电流放大。
A new method is proposed to measure the tuning-off degree and the capacitive current of resonance grounding power networks based on a new measuring principle.
采用新的测量原理,提出了可同时对谐振接地电力网脱谐度和电容电流进行实时测量的新方法。
Based on principium of medium loss measurement, principium of series resonance is analyzed, and device layout of current mutual inductance used in high voltage medium loss measure is presented.
在介损测量基本原理的基础上,分析了串联谐振的基本原理,提出了电流互感器进行高电压介损测量时的设备配置,结合典型事例给出了测试结果。
When capacitors are used for reactive power compensation under harmonic load, the harmonic current would be seriously amplified, and the system would be taken into probably resonance.
在谐波负载下用电容器进行无功补偿时,会产生谐波电流严重放大、甚至引起谐振的现象。
When capacitors are used for reactive power compensation under harmonic load, the harmonic current would be seriously amplified, or even the system would be taken probably into resonance.
在谐波负载下用电容器进行无功补偿时,会产生谐波电流严重放大,甚至引起谐振的现象。
Longer distance constraints are determined by site-directed spin labelling electron paramagnetic resonance, but current labelling strategies still constitute some limitation.
直接位点标记的旋转电子顺磁共振可以得到更长的距离约束数据,但是目前的标记策略仍然具有局限性。
The output current is operated at low-frequency square to prevent the acoustic resonance for MH lamps.
负载侧输出为低频方波电流,有效克服了MH灯声共振现象。
When frequency is changed the corresponding current (in steady state amplitude and phase) is displayed in time domain. Resonance frequency can be found experimentally.
当频率改变时,电流响应(稳态下的幅度与相位)显示在时域分析中。
Numerical results show that the resonance peaks of spin current split and the pure spin current disappears due to the magnetic field destroying the degeneration of electron spin in quantum dot.
结果表明,外加磁场破坏量子点能级的自旋简并,使得电荷流和自旋流的共振峰劈裂开,得不到纯自旋流。
This module uses a circuit topology of forward pulse width modulated - zero current quasi - resonance soft - switching , combined with active clamp technology.
该变换器电路结构上采用正激一零电流准谐振软开关电路拓扑结构,并结合了有源钳位技术;
The ground capacitance current can thus be calculated using the two resonance frequencies for the power systems.
用两次获得的谐振频率,可以准确计算电网的电容电流。
Then change the directions of sweeping field and horizontal magnetic field, the resonance signals can be obtained again by adjusting the horizontal current.
然后,同时改变扫场和水平磁场方向,调节水平电流大小,再次获得光磁共振信号。
Through the analysis series, found the curve for former fourth-order magnetic resonance frequency of single degree of freedom magnetic bearing system changes with the axial gap and bias current;
通过一系列的分析,找到了单自由度磁轴承系统前四阶共振频率随轴向磁隙和偏置电流的变化规律曲线;
The key technique called magnetic resonance current imaging is described.
阐述了二者结合的关键点:磁共振电流密度成像技术。
According to this paper, the frequency and intensity of the signal attenuation on transmission line are mainly depended on the ferromagnetic resonance frequency and eddy current loss.
通过本文的研究表明,传输线上信号的衰减频率和强度主要依赖于磁性薄膜材料的亚铁磁共振频率和涡流损耗。
To suppress resonance of LCL filter and improve stability of system, it is pre - sent that a voltage and current double loops control strategy based on virtual resistor concept.
为了提高系统的稳定性,抑制滤波器的谐振,在双闭环控制的基础上提出了一种基于虚拟电阻思想的控制策略。通过对滤波电容电流的积分处理,改变了系统传递函数的极点,确保了系统的稳定运行。
By changing the film size can change the ferromagnetic resonance frequency and eddy current loss, and achieve the maximal attenuation to the noise with specific frequency.
通过改变薄膜尺寸可以改变薄膜的亚铁磁共振频率和涡流损耗,从而对特定频率的噪声衰减达到最佳效果。
The range that magnetism resonance USES is very wide, it is current to the disease such as skull head, spinal cord the most effective video diagnostic method.
磁共振应用的范围很广,对颅脑、脊髓等疾病是当今最有效的影像诊断方法。
The range that magnetism resonance USES is very wide, it is current to the disease such as skull head, spinal cord the most effective video diagnostic method.
磁共振应用的范围很广,对颅脑、脊髓等疾病是当今最有效的影像诊断方法。
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