查询词典 reactive

The basic principles and evolution process of Active Power Filter are first introduced. The scheme and structure of single-phase hybrid filter system is then illustrated and quantitative analysis is made based on the harmonic and reactive compensation principles. Through theoretical derivation, the said system has been proved to have the function of harmonic and reactive compensation.

本文首先介绍了有源电力滤波器(Active Power Filter，简称APF)的基本原理及发展历程，阐述了单相混合型滤波系统的方案和结构原理，对其进行了谐波和无功补偿原理的定量分析，通过理论推导证明了该系统具有谐波和无功补偿的功能。

Based on the theory of instantaneous reactive power, the multiple frequency rotate transform theory is put forward. It overcomes the defect of that the theory of instantaneous reactive power can only measure the harmonic total amount. The positive sequence and negative sequence k-multiple frequency rotate coordinate is respectively put forward in detail.

倍频旋转变换理论是基于瞬时无功功率理论提出的，它克服了瞬时无功功率理论测量方法只能测量谐波总量的缺陷，该理论分别针对正序谐波和负序谐波，提出正向和负向倍频旋转坐标，通过k—倍频旋转坐标可将k次谐波分离出来。

Therefore, a new theory of space vector reactive power is presented in this dissertation, where instantaneous reactive current and instantaneous active current are defined, based on the new theory.

作为治理电网污染、提高电网稳定性和改善电能质量的一项关键技术，有源滤波技术已成为电力电子技术应用中的一个比较新的研究课题。

Harmonic current; reactive current; instantaneous reactive power theory; matlab simulation

谐波电流；无功电流；瞬时无功功率理论；Matlab仿真

In the dq0 coordinates a new definition of generalized instantaneous reactive current is proposed, and methods of resolution and measurement of generalized instantaneous reactive current components are also presented.

瞬时无功功率和瞬时无功电流定义是快速无功补偿和有源滤波的理论基础，本文提出了在dqO坐标下广义瞬时无功电流的新定义，并给出了广义瞬时无功电流各分量的分解方法和测量方法。

A closed-loop detecting circuit of harmonic and reactive current based on instantaneous reactive power theory has been analyzed and used in this APF system. It can achieve the accurate and real-time detection, and make the system stable.

本文将基于瞬时无功功率理论的自适应闭环检测方法应用于有源电力滤波器，使系统在快速、准确检测谐波及无功电流的同时，具有良好的鲁棒性。

Secondly, the instantaneous reactive power theory and it' s application to reactive power control and detection are introduced.

其次，论文还介绍了瞬时无功功率理论及其在无功控制和无功检测方面的应用。

Instantaneous reactive power theory applied on harmonic and reactive current real-time detection is presented in this paper.

介绍了瞬时无功功率理论在谐波和无功电流实时检测方面的应用。

Based on the instantaneous reactive power theory, the method of detecting reactive current of agricultural power network is studied.

为了抑制谐波和补偿无功，国内外研制了许多新型的无功补偿装置和有源电力滤波系统。

When generators and reactive power generator reach their reactive limits, the corresponding rank of the power flow Jacobin will augment simultaneously, and cause the minimum singular value change suddenly, then lose the commensurability to the value before node type change, this affects its linear nature.

当发电机和无功发生设备达到无功限制时，潮流方程相应的雅可比矩阵阶数也将增大，致使奇异值指标发生突然变化，与节点性质转化之前的奇异值失去可比性，将影响其线性性质。

The production moved off-Broadway to New York City, where she won the Joseph E. Calloway award for her performance, and was profiled in American Theater Magazine as one of ten young theater artists to watch.

生产提出过百老汇的新的纽约市，在那里她赢得了约瑟夫calloway奖，她的表现，并于异型在美国的战区杂志之一， 10战区的青年艺术家观赏。

It's a risk tradeoff, and I believe that adding test support code usually wins.

这是一个风险的权衡，我相信添加测试代码通常会占上风。