The necessity and feasibility of this method is especially discussed, by which an opinion about active power calculation including harmonics is proposed.
并对电网中存在高次谐波情况下的无功功率算法提出看法。
From sampling, calculation time delay, control object zero-order discretization, digitalization process influence to Active Power Filter is analyzed in this paper.
从采样，计算延时，控制对象的零阶保持离散化等方面分析了数字化过程对有源电力滤波器性能的影响。
And the transformer can carried out the analysis and calculation of harmonic, phase discrimination, power factor, active and reactive power together with PC.
该互感器与PC机配合，可完成电力系统的谐波分析、鉴相、功率因数及有功、无功功率的分析计算。
Mainly, FFT algorithm and full-wave Fourier algorithm are discussed. Calculation of active power and imaginary power is researched. Parameter selection of filtration and calculation of are attained.
主要就快速傅里叶变换算法、全波傅氏算法以及有功功率、无功功率的计算、滤波的参数选取、谐波的计算进行了讨论。
The host computer finishes the calculation of active power, reactive power and power factor, inquire fuzzy form of controlling , give and publish the controlling amount.
工控机完成有功功率、无功功率以及功率因数的计算，并查询模糊控制表，给出控制量。
The content involves the aspect of power-flow calculation, incremental transmission losses, dynamic optimal dispatching of active power etc.
内容涉及电力系统潮流计算、网损微增率算法、动态有功优化调度等方面。
The active power loss calculation and service life analysis of parallel transformers under economic operation mode are introduced in detail.
介绍了在并列运行变压器经济运行模式下，变压器有功损耗的计算和使用寿命分析。
Combining with the field experiments, it discusses the calculation of reactor impedances, the impact of test field and the active power loss.
结合现场试验经验，讨论了试验电抗器的电感量取值、试验场地的影响、试验有功损耗等试验相关问题。
Beginning with the basic definitions of active power, calculation formulas of the active power and it's error in time domain for various harmonic signals is developed.
论文从有功功率采样计算公式的基本定义出发，推导出时域谐波有功功率和误差计算公式。
Besides the control of SAPF, the proposed calculation and control approaches can be applied to the control of other types of active power filter.
所提出的方法对其它类型有源电力滤波器的控制也有借鉴意义。
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 inner product algorithm and cross multiply algorithm in the vector calculation are used to deduce active power and reactive power.
利用矢量运算中的内积算法和叉乘算法来推导有功功率和无功功率。
The inner product algorithm and cross multiply algorithm in the vector calculation are used to deduce active power and reactive power.
利用矢量运算中的内积算法和叉乘算法来推导有功功率和无功功率。
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