The controller can achieve the functions such as survey the power grid, reactive power compensation, harmonic control, remote communication and so on.
该控制器集电网监测与无功补偿于一体,同时完成谐波治理和通信功能。
It is shown that two Lurie control systems which are not absolute stable can be composed of a absolute stable large-scale Lurie control systems via interconnections or harmonic controllers.
研究结果表明:两个非对绝对稳定的系统可以通过关联或协调控制来实现关联大系统的绝对稳定性。
Hybrid active power filter combined by APF and PPF, learning from both their strong points to offset their weaknesses, can be applied for high power harmonic control and reactive power compensation.
由APF和PPF组合构成的混合型有源电力滤波器可使二者取长补短,实现大功率下谐波抑制和无功补偿。
On this base, the closed - loop control method of hybrid step motor using the harmonic back EMF is investigated, and the microcomputer control system of step motor is designed.
在此基础上研究了利用谐波反电势信号实现混合式步进电动机闭环控制的方法,设计了步进电动机的微机控制系统。
In this paper, the closed-loop control method of hybrid step motor using the harmonic back EMF is investigated.
研究了利用谐波反电势信号实现混合式步进电动机闭环控制的方法。
Real-time and accurate harmonic detection and control is the key for practical active filter implementation.
实时、高精度的谐波检测和控制是有源滤波器的重要部分。
Speed regulation system using cascade control method with thyristor is a low-cost system, but the classic system has some shortages, such as low power factor, serious harmonic pollution and etc.
晶闸管串级调速系统是一种廉价、简易的调速系统,但是传统串调系统存在着诸如功率因数低、谐波污染严重等弊端。
A method of current detect and control for the new active power filter (APF) is presented, which has the ability of canceling harmonic and compensating reactive power at the same time.
提出了一种新型的有源电力滤波器电流检测和控制方法,在补偿谐波电流的同时还可以进行无功补偿。
Chapter three mostly discusses the detection of neutral harmonic current and control strategy in two ways.
第三章主要讨论中性线谐波电流的检测和补偿控制策略两个方面。
On the basis of active power filter linear shunt transformer harmonic impedance control, a novel principle for high voltage alternate power distribution systems is proposed.
针对高压交流配电系统,提出一种基于线性并联变压器谐波阻抗控制的并联型有源电力滤波器新原理。
Using a bipolar coagulator or Harmonic scalpel as a substitute for endoclips to control adrenal vessels under laparoscopic vision is effective and safe.
使用双极电烧或超音波刀替换血管夹来控制肾上腺血管亦是有效且安全的。
The whole system adopts double closed loop control and has good harmonic compensation performance.
整个系统采用双闭环控制,具有较好的谐波补偿性能。
The harmonic endanger was serious, which was engendered by double bridge cascade connection sequential control SCR converter.
双桥串联顺序控制的晶闸管变流器给电网带来不容忽视的谐波危害。
Basing on the image character of nonlinearity of neural network, the article introduces a method of detecting reactive and harmonic current which is fit for SVG's control by direct current.
基于神经网络的非线性映射特性,提出了一种适用于直接电流控制的静止无功发生器检测无功和谐波电流的方法。
Finally the harmonic leakage of FTPMM is analyzed quantitatively, which provides a foundation for subsequent motor control and heat calculation.
最后,对永磁容错电机内谐波漏感进行了量化分析,为后续的电机控制及其热分析打下基础。
Aiming at the steering gear machinery in some missiles, adopting the combined configuration of small rare earth torque motor and harmonic drive reducer, a combined control strategy is designed.
针对某型号弹上舵机采用的小型稀土力矩电机与谐波减速器的组合方案,本文设计了一种组合式分段控制算法。
These may be required where harmonic currents caused by the thyristor phase control of the reactor current must be filtered to prevent unacceptable transmission bus voltage distortion.
这里须滤去由电抗器相位控制引起的谐波电流以避免不能接受的输电母线电压畸变。
Modern control theory is used to study the harmonic suppression.
采用现代控制理论研究了谐波抑制的产生机理。
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。
Applying feedforward control of harmonic voltage to hybrid active power filter of finite harmonic impedance can restrain line harmonic voltage.
有限阻抗型混合有源电力滤波器中应用电压谐波前馈控制,能加强对网侧电压的谐波抑制。
The viscoelastic damping control of steady-state harmonic response of stiffened plate is studied by using modal superposition method.
应用模态叠加法研究了用粘弹性阻尼控制加筋板的稳态简谐响应。
A control method of AC side harmonic current detection, based on the keystone analyzing of the parallel hybrid power filter, has been put forward in the study.
在对混合电力滤波器的原理分析基础上,提出了检测交流侧谐波电流的控制方法。
Using this resonance controller to take a closed loop control to selected harmonic voltage makes DVR with a function of harmonic voltage compensation, which has little influence on DC link voltage.
应用这种静止坐标下的谐振控制器对指定次数的谐波电压进行闭环控制,使DVR具备补偿谐波电压的功能,而对基本DVR的电压凹陷补偿性能的影响很小。
High frequency harmonic in electric power network can pollute the network, control high frequency harmonic is an important research problem in electrical system function.
电网中的高次谐波对电网有污染,抑制高次谐波是电力系统运行中的重要研究课题。
The two key technologies are harmonic and reactive currents detection, and compensation currents control.
有源电力滤波器的两大关键技术是谐波与无功电流的检测和补偿电流控制。
Large amplitudes of cables can be induced by low order frequency harmonic oscillations. Then, some destructive accidents will happen, and some efficient control methods will be needed.
缆索结构系统在外部激励作用下将产生低频谐振,会导致大的振幅而可能有破坏性事故发生,故需要一种有效的方法控制这种振动。
It has good real-time performance and is easy of digital control. The triangular wave comparison mode is used in output control to decrease output harmonic effectively.
且易于数字控制,实时性好,同时输出控制采用三角波比较方式,有效减小了输出的谐波。
The theoretic analysis is accomplished on the circuit topology, principle, harmonic detecting method, control method and circuit designing of Parallel Hybrid Active Power Filter (PHAPF).
其次,文章重点对电容注入方式的并联混合型有源电力滤波器的电路结构、工作原理、谐波检测方法、控制方式、电路设计进行了理论分析。
The theoretic analysis is accomplished on the circuit topology, principle, harmonic detecting method, control method and circuit designing of Parallel Hybrid Active Power Filter (PHAPF).
其次,文章重点对电容注入方式的并联混合型有源电力滤波器的电路结构、工作原理、谐波检测方法、控制方式、电路设计进行了理论分析。
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