片语

Positive-sequence harmonics正序谐波

plain sequence正序；顺序

positive phase sequence harmonic正序谐波

positive-sequence components正序分量

positive phase sequence component正相分

complete positive information sequence[数]

positive phase sequence reactance正相序电抗

positive-sequence impedexcellentce正序阻抗

positive phase sequence votlage正序电压

positive-sequence component正序分量

英汉例句

• it can compel the output voltage to be positive sequence voltage source.

  它具有强制输出端电压为同步的正序基波电压源的特点。

• the three phase detecting method closely connects with the park transform and the result is the positive sequence part of the fundamental frequency.

  三相求法与派克变换有很密切的联系，求出的是三相基波正序分量。

• a series ac voltage regulator based on a new fundamental positive sequence calculation method, which is utilized to generate the compensation voltage reference, is introduced in this paper.

  针对串联型交流电压调节器，提出了一种新的基波正序计算方法以获取补偿电压的参考信号。

• measures, such as the floating of threshold, braking by positive sequence current, driving up the threshold during power swing, etc are suggested to prevent th.

  采用浮动门槛、正序电流制动和静稳破坏后提高动作门槛值的方法，来防止系统振蕩时误启动。

• for all the frequencies, in order to obtain maximum positive torque, the system is properly unbalanced, choosing the initial phase angle combination of the most positive sequence of three phases.

  对于所有这些离散分频频率来说，为获得最大正的转矩，系统的平衡性被打破，找出最大正序分量的三相初始相位角的组合。

• the transformation of the instantaneous value symmetry component applied, the positive sequence space vector of fault component of the voltage and current can be derived.

  应用瞬时值对称分量变换，可提取电压、电流故障分量的正序空间向量。

• the methods overcome the shortcoming that time constant is greater and filtering result is affected by frequency variation for a analogue positive sequence voltage filter.

  针对正序电压滤过器，采用计算机程序来实现，所提算法克服了硬件式正序电压滤过器时间常数大和滤过效果受频率变化影响等的不足。

• considering the imbalance of three phase voltages, a new arithmetic which verifies the generator paralleling based on the synthetic phasor of positive sequence fundamental voltage is proposed.

  考虑到三相电压或多或少有些不平衡，提出了一种新的基于正序基波电压合成相量的发电机并网条件核算法。

• a reliable digital directional relay based on positive sequence compensated voltage and current is proposed, which can be used on hv transmission lines as main protection.

  提出了一种基于正序电压电流补偿的方向元件，可用于高压输电线路纵联方向主保护。

• these disadvantages could be eliminated in three-phase systems if the energy account based on the integral of the active power of the positive sequence component with the fundamental harmonic.

  在三相系统中，以正序基波功率的积分作为计量标準，同样可以消除这两方面的不利影响。

• in this paper, it proposed the distance relay with positive sequence polarized voltage which will have better fault-direction recognization.

  在本装置设计中，距离继电器由正序电压极化，使其有很好的方向性；

• digital filter is an important part of positive sequence detector. with the aid of matlab, a low-pass filter is designed and exceptional results are obtained.

  电网正序检测器中数字滤波器是一个重要环节，在设计低通滤波器过程中采用了matlab辅助设计的方式，取得了理想的效果。

• the zero sequence component and the positive sequence component equations of transmission lines are derived on the basis of telegraph equations.

  运用电报方程推导出三线-地耦合传输线零序分量和正序分量传输线方程。

• in the paper, the reduced single phase short-circuit current equation expressing as positive sequence impi dance only is showed.

  文中还提出了低压系统中只用正序阻抗表达的单相短路电流的简化计算公式。

• a new method for the positive sequence voltage detection is presented.

  提出一种电网电压正序分量的近似计算及实现方法。

• the pulse steering circuit so designed solves fairly well the transition between positive sequence and negative sequence.

  所设计的脉沖导向电路较好地解决顺序与逆序互相之间的过渡问题。

• the measured distance of the lump parameter circuit model can be converted to the correspondingly matching positive sequence measured impedance.

  根据集中参数线路模型算法的实测距离，换算成与模型匹配的正序测量阻抗。

• a new method for detecting the fundamental negative and positive sequence components as well as the harmonic components is developed in this paper.

  基于理论推导和分析，指出了在三相电压不对称时，应用瞬时无功功率理论检测谐波和基波正序有功及无功电流分量存在的问题。

• based on symmetrical component method and linear superposition principle, the additional positive sequence network after fault is established and the matching index on fault point is defined.

  该方法首先运用对称分量法和线性叠加原理建立故障后的附加正序网络并且定义了故障点的匹配指标，进而基于该指标运用遍历搜索方法寻找故障点位置。

• applying the node impedance matrix and the positive sequence equivalent rule, a versatile model for the transferred impedances under all sorts of faults is obtained.

  运用节点阻抗矩阵和正序等效定则推导出各种短路类型下通用的转移阻抗求解模型；

• a new directional element based on the fault component positive sequence reactance (fcpsr) is presented.

  提出了基于故障分量正序电抗的方向元件。