A combined power filter test system is designed, which is used to clean up harmonics of harmonic load.
设计的一套实验系统用来消除谐波负载产生的谐波影响。
The dynamic responses of pile groups in saturated soil subjected to horizontal harmonic load are researched.
研究了在水平简谐荷载作用下饱和土中群桩的动力反应问题。
In this paper the lateral dynamic stability problem for a structure subjected to vertical harmonic load is studied.
本文研究在竖向谐荷载作用下结构的横向动力稳定问题。
Harmonic load model is established by transforming the harmonic currents from two-phase at LV side to three-phase at HV side.
将谐波电流从低压侧的两相转换到高压侧的三相,建立谐波负荷模型。
After imposed harmonic load, the deformation and stress variation curves with change of frequency can be gained by harmonic analysis in ANSYS.
在模态分析的基本上,对行星齿轮施加简谐载荷,得到行星齿轮的变形和应力在容易产生共振的频率范围内的变化情况;
The forced harmonic load response of the stiff vibration foundation is studied for different frequencies, layer depths and foundation embedments.
文中对刚性的动力基础,在简谐荷载的作用下,对于不同频率、不同压缩层厚度和基础埋深等动力响应进行了计算与探讨。
Longitudinal vibration of an integral pile in an uniform soil with end bearing boundary or elastic bottom boundary undergoing vertical harmonic load is theoretically investigated.
分别对均质土中完整端承桩和弹性支承桩在垂直谐和激振力作用下的纵向振动特性进行了研究。
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。
Three numerical cases are considered for the loading responses of stratified viscoelastic earth to second degree harmonic load, uniform disc ice load, and last-glacial realistic ice load respectively.
本文设计了三个数值算例分别模拟径向分层黏弹地球对二阶球谐负荷、均厚圆盘负荷和全球末次冰期真实冰负荷的响应。
Due to the problem of reactive power compensation and harmonic pollution becoming serious in mine system, TCR reactive compensation system for load of mine DC elevator was designed.
由于煤矿系统无功补偿和谐波污染问题日趋严重,设计了以矿井直流提升机为负载的TCR无功补偿系统。
Based on the differences of harmonic testing point, there are two control ways for shunt active filters, that is, the way of load current sensing and the way of power supply current sensing.
并联型有源滤波器根据其谐波检测点的不同,有两种控制方法。即负载电流检测控制方法和电源电流检测控制方法。
In many common forms of analysis, the nonlinear load, acting as a current source, supplies the harmonic components of the current.
在许多普通形式的分析中,非线性负载担当电流源,产生电流的谐波成分。
Analyzing structure self-vibration features and dynamic response (harmonic response) under the effect of hydro excitation load.
分析了厂房结构的自振特性和水力激振载荷作用下的动力响应(谐响应)分析;
The nonlinear load will draw a nonsinusoidal current, such as a square wave, which contains harmonic components.
非线性负载会形成非正弦电流,如方波,其中包含谐波成分。
Pointsoutthecharacteristics of the display and its demand on the display mod-uleinthereactive-load compensation and harmonic suppression device.
指出了无功补偿与谐波抑制装置显示的特点和对显示功能模块的要求。
From the view of switch utilization ratio, the theory gist is given for employing which circuit in condition with different total harmonic distortion of load current to correct harmonic current.
从开关利用率的角度,为不同负载电流畸变率情况下选取何种电路进行谐波补偿,提供了理论依据。
To single phase SCR bridge rectification circuit of constant potential instrument, the expression of load voltage is derived and harmonic component of load voltage is analyzed in detail.
文中针对船用恒电位仪单相可控桥式整流电路,推导了负载电压表达式,分析了负载电压的谐波组成;
According to the equivalent circuit model of non-linear load, a detecting approach of harmonic current in single-phase circuit based on fast iterative algorithm in active power filter is proposed.
根据非线性负载的等效电路模型,提出了一种基于快速跟踪算法的有源电力滤波器单相电路谐波电流检测方法。
The harmonic suppression were expounded in detail from two aspects, one is the non-linear load producing the harmonic and another is the electrical equipments to be affected by the harmonic.
从产生谐波的非线性负荷以及受危害的电力设备和装置两个方面对谐波治理进行了详细介绍。
Furthermore, the arc heater system, as a non-liner load of the grid, generates lots of harmonic disturbance.
此外,电弧加热器系统作为电网的大功率非线性负载,会产生大量的谐波干扰,污染电网。
In a practical circuit, the series APF can compensate a high capacity voltage harmonic source load or several low capacity voltage harmonic source loads.
在实际应用中,串联型APF既能对单个大容量电压型谐波源负载进行补偿,也能对多个小容量电压型谐波源负载进行集中补偿。
On the other hand, the wide-ranging application of nonlinear load produce a great deal of harmonic, it cause the pollution of electrical power system.
另一方面,非线性负荷的广泛应用,又产生大量谐波对电力系统造成污染。
In order to improve the power quality, Active power filter is used to compensate harmonic current of nonlinear load to decrease harmonic pollution of the grid.
为了提高电能质量,通常采用有源电力滤波器来补偿非线性负载的谐波电流,以减小谐波对电网的污染。
This paper explained the fundamental reason of harmonics is nonlinear load, expounded the harm of harmonic.
介绍了谐波产生的根本原因是非线性负载,阐述了谐波的危害。
The inverse function of inverter under non load is used to obtain stability and satisfactory harmonic rejection.
采用了逆变器传递函数的逆函数来获得足够的稳定性和谐波抑制能力。
This control principle can improve the control of power quality and effectively compensate the harmonic currents at load side, reactive power and negative sequence current.
该控制方法能改善系统电能质量的调节,有效地补偿负荷侧谐波电流、无功功率和负序电流。
This paper analyzed the problem of harmonic wave, matching of load and calorification for inverters in running and made the relatively measure.
本文针对变频器运行过程中存在的谐波问题、负荷匹配以及发热问题进行分析,并且提出相应的解决方案。
The first harmonic winding and harmonic winding no-load property curve are gained when field current is change.
通过改变励磁电流的大小,得到了基波绕组和三次谐波绕组的空载特性曲线。
The first harmonic winding and harmonic winding no-load property curve are gained when field current is change.
通过改变励磁电流的大小,得到了基波绕组和三次谐波绕组的空载特性曲线。
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