fundamental current
英 [ˌfʌndəˈmentl ˈkʌrənt]
美 [ˌfʌndəˈmentl ˈkɜːrənt]
基波电流
双语例句
- Fundamental current source consisted of integrated amplifiers of power and operation, and by means of parallel fundamental current sources obtained high-current output.
由集成功放和运放组成基本电流源，并用基本电流源的并联来获得大电流输出。 - Then, based on the actual circuit of TCR branch, the simplified formula for calculating the fundamental current is showed by Fourier decomposition.
接着根据TCR支路的实际电路，利用傅里叶分解，给出了简化的基波电流的计算公式； - A new transformer protection principle based on two-instantaneous-value-product algorithm to extract the feature of fundamental current amplitude is put forward in this paper.
提出了一种基于两采样值积算法快速提取基波幅值变化特征的变压器保护新原理。 - Fundamental current detection based on 2nd-order serial resonant filter
基于二阶串联谐振滤波器的基波电流检测方法 - A Novel Method to Rapidly Identify Inrush Current and Internal Fault Current Based on Variation Characteristic of Fundamental Current Amplitude
利用基波幅值变化特征快速识别励磁涌流和故障电流 - For the power quality control and relay protection, it is very important of rapid, correct and practical detection of the negative sequence fundamental current.
快速、准确、实用的负序基波电流检测方法对于电能质量监测与控制、继电保护等具有极其重要的意义。 - The reason is investigated that the power factor large power controlled rectifier's of the aluminum company is low. The harmonic current and fundamental inductive current of rectifier on line side is analyzed.
研究了电解铝厂大功率可控整流系统功率因数低下的原因，分析了这种整流机组网侧谐波电流和基波感性电流。 - We use some compensation windings structure in the secondary winding of the series transformer, then the compensating fundamental current is shared averagely in every compensating branch, so the filter achieve a large capacity.
当采用多个补偿绕组结构时，基波补偿电流可由多个支路来均分，从而实现了有源滤波器的大容量。 - Aimed at the drawback of instantaneous reactive power theory broadly adopted in active power filters, the concept of power factor was introduced into the control system of active power filter. The fundamental active current detection technique based on unity power factor was provided.
针对有源电力滤波器中广泛采用的基于瞬时无功功率理论的检测技术的局限性，将功率因数的概念引入有源电力滤波器的控制中，提出了基于单位功率因数的基波有功电流检测技术。 - After theoretical analysis, it is found that if the ratio of the fundamental harmonic current to the harmonic one is definite in the power filter, then both the overvoltage and overcurrent factors are correspondingly definite.
通过理论推导，发现当电力滤波器中的基波电流和谐波电流的比为定值时，滤波电容的过电压系数和过电流系数是与之相对应的确定值。 - The series hybrid active power filter with fundamental current bypass channel provides a passive channel for the fundamental component of the grid current. Hence the required rating of the active filter can be greatly reduced.
带基波电流旁路通道的串联混合有源电力滤波器为电网电流中的基波成分提供了一个无源通道，因而可以大大降低有源部分的容量。 - Under the perturbation of source impedance and frequency of the power system, changes in fundamental current of inject into every filter of passive power device was analyzed based on numerical method.
基于数值方法，分析了电网电抗及电网频率摄动时流入滤波装置各通道基波电流的变化过程。 - A Novel Detective Method for Fundamental Current and Any Term Frequency Harmonic Current
基波电流和任意次数谐波电流检测新方法 - In theory this method can effectively and accurately detect the fundamental current, its active and reactive components and any term harmonic current component of three phase circuit no matter what there are harmonic voltages in three phase circuit.
该方法具有无论三相电路电压是否畸变，理论上都能准确地检测出任意次谐波电流的优点，并可用于基波有功和无功电流的检测。 - For this reason, we redefined the instantaneous reactive power so as to make it easier for detecting harmonic current and fundamental reactive current.
为此，重新定义了系统瞬时无功功率，使其更易于谐波和无功电流的实时检测。 - The fundamental of current feedback amplifiers ( CFA) has been introduced. A new universal filter with three inputs and single output using four CFAs and a few of resistors and capacitors is presented.
本文介绍了电流反馈放大器（CFA）的基本原理，用四个CFA和几个电阻、电容设计了一种三输入单输出的新的通用滤波器。 - The timely detecting approach to the fundamental current signal is one of the key techniques for the active power filter.
基波信号的检测是有源滤波的关键技术之一。 - In addition, this article presents a technique using robust regression algorithm to analysis the DC current component, as well as a new algorithm based on Hilbert and NLO for the analysis of fundamental current component, consequently, realizes accurate identification of transient and subtransient parameters.
还提出了基于稳健回归算法的直流分量辨识算法，以及基于Hilbert变换和非线性变量优化（NLO）的基波分量辨识算法，实现了同步电机瞬态和超瞬态参数的精确辨识。 - This paper presents a novel detecting method for harmonics and reactive current in single-phase active power filter based on calculation of the real part of the fundamental load current.
本文提出了一种单相有源电力滤波器谐波和无功电流检测的新方法&负荷电流基波有功分量法。 - The reason why the series hybrid active power filter with fundamental current bypass channel has not been put into practical use is analyzed.
分析了一种可以降低有源部分容量的有源电力滤波器没有在实际中得到应用的原因。 - Frequency of this pulsating torque is six times as high as that of the fundamental current.
这种脉动转矩的频率为基波电流频率的六倍。 - Briefly stated the fundamental and current situation of CAI. Second, from many points of view study the CAI mode, which is influenced by the psychology.
其次，从各个角度对CAI的模式进行深入研究，阐述心理学对CAI模式的影响，以及开发CAI教学课件应该进行的选择和定位。 - The fundamental current can be reconstructed by transformation while the harmonic current can be gained by subtracting fundamental components from the original current.
再经过变换得到原电流的基波分量，从原电流中减去基波分量得到要检测的谐波分量。 - A current detection method based on the principle of distinguish phase was adopted. The use of DSP realized real-time detection of fundamental current.
采用了一种适用于单相电路的基于鉴相原理的基波电流检测方法，利用DSP实现了基波电流的实时检测。 - The harmonics of the prototype under the sate of load has been analyzed and the eddy current loss on the fundamental current has been calculated. Simultaneously, the motor temperature rising test has been done.
分析了样机负载状态下的谐波，并计算了基波电流下的涡流损耗，同时进行了电机温升试验。 - And When the load current is a periodic current, integral in a cycle for absolute value of subtracting the fundamental reactive current from the load current is the least.
和当负载电流为周期电流时，负载电流与基波无功电流差的绝对值在一个周期内的积分值最小。 - The low frequency component is obtained by wavelet decomposition of load current. The low frequency component is reconstructed to get fundamental current.
该方法通过对负载电流进行小波分解，获得负载电流的低频分量，由低频分量重构得到基波电流，从而滤除负载电流中的谐波。 - For the problems that appear when the fundamental wave model control strategy works in the low speed and zero speed, the fluctuating high frequency signal injection method is used to build the synchronous shaft high-pass filter, which can extract the fundamental current component from stator current.
针对基波模型控制策略在低速和零速存在的问题，采用高频脉振信号注入法，并设计同步轴高通滤波器用于电流基波分量的提取。 - The compensation from SVC is fundamental reactive current, it has become the major task of studying and designing SVC device is that how to find a way to measure fundamental current component and reactive power dramatically, accurately and effectively.
由于SVC所补偿的是基波无功电流，因此如何找到一种快速、准确而又有效的测量基波电流分量和无功功率的方法是研究与设计SVC装置的首要问题。 - When the input voltage is constant, transforming reactor to achieve admittance changes, you can change the fundamental current, resulting in reactors absorb reactive power changes.
当输入电压不变时，实现可变电抗器导纳的改变，就能改变基波电流，从而导致电抗器吸收无功功率的变化。