给出了采用链式STATCOM实现平衡化补偿的主电路结构及电压-无功综合控制方法。
Main circuit configuration and integrated voltage-reactive power control scheme for balancing compensation with cascade inverters based STATCOM is proposed.
电力系统中无功的分层平衡，有利于减少输电路径上无功的流动，降低电网传输损耗。
In the power system of reactive power balance layer, to reduce the flow path, reduce the reactive power transmission loss.
根据现有文献对静止无功发生器的主电路结构、各种有害电流检测方式和控制方式进行了分析、比较和总结。
After the summarization of present literatures, analyses and comparisons are made on the ASVG's main circuit, present detection system and control methods.
实验结果表明，这种检测方法是可行的，而且电路非常简单，可用于实时检测有源电力补偿器的谐波与无功电流。
The test results show that this method is feasible for real time detection of harmonic and reactive current of the active power compensator. The circuits are very simple.
在介绍了补偿器的无功补偿原理及电路主拓扑图的基础上，主要研究电容器的投切开关以及装置的投切判据。
It introduces compensation theory and main circuit, and that the mainly study are switches of capacitor and criterions of the device.
根据正弦函数的正交特性，提出了一种单相电路的谐波和无功电流检测方法。
This paper based on the orthogonality of sine, presents an approach to the detection of harmonic and reactive currents suitable for single-phase circuits.
启动完成后利用接触器将启动电路切除，将电容器切换为无功补偿电容的低压开关柜的设计原理。
The starting circuit will be removed by a contactor and the capacitor will be converted to a reactive compensation capacitor after starting.
提出了一种新的单相电路的谐波和无功电流实时检测方法。
A new approach to real time detection of harmonic and reactive currents for single-phase circuit was proposed.
提出了采用单相statcom实现平衡化补偿的两种主电路结构及电压无功综合控制方法。
Two kinds of main circuit configuration and integrative voltage reactive power control scheme for balancing compensation with single phase STATCOM are proposed.
非正弦电路的无功测量是当前电力测量研究的热点。
Reactive power measurement of non-sinusoidal circuit is the hot-spot research in Electric power System.
目的通过对手术床控制电路的研究，设计一种应用广泛、可靠性高且待机无功耗的手术床控制电路。
Objective By the research on the operating table control circuit, we hope to design a reliable, power saving and widely used one.
论述了运用PWM整流器实现无功功率补偿的ML变频系统的工作原理、电路结构和控制的实现方法。
The work principle, circuit structure and realization method of control of the ML frequency converter system are discussed. The system USES PWM rectifier to realize reactive power compensation.
介绍一类基于瞬时功率理论的实时无功电流计算电路。
A class of compensating current calculating circuit based on instantaneous power theory is presented.
该控制器采用数字检测电路来获取电网电压与电流的相位差，从无功补偿的原理出发，设计控制器的软硬件。
It measures excess phase of voltage current by using digital circuit, Based on the reactive compensation theorem, the software hardware of the controller is deigned.
检测电路通过硬件实现乘法和加法运算，得到实时补偿的无功功率大小。
The measuring circuit can achieve real-time reactive power to be compensated by using hardware operations, such as multiplication and summation.
当系统中存在谐波源时，无功补偿电容器组与系统电路会在某次谐波频率下发生并联谐振。
When harmonic sources exist in power system, parallel resonance occurs due to the interaction between shunt capacitor bank and system inductance.
非正弦电路中，有功功率定义已被公认，无功功率的定义却一直还没有定论。
The active power definition is well accepted, but the reactive power definition is still questionable in non-sinusoidal condition.
简述了几种常用的无功功率测量算法，对非正弦电路无功功率理论及其无功功率测量算法进行了研究。
This paper simply described several algorithms of reactive power, and investigated reactive power theory of the non-sinusoidal electric circuit and its algorithm of measurement.
同时发电机多机组并网运行时，通过功率均衡电路实现各机组有功功率和无功功率的均衡分配。
At the same time, the power sharing controllers control the real power share and the reactive power share during the parallel operation of the diesel generators.
SVG主电路结构是基于PWM变流器的拓扑结构，PWM交流器可以在四象限运行，所以SVG亦可在四象限运行，从而达到为系统提供无功功率的目的。
The main circuit configuration of SVG is based on topology configuration of PWM 4-quadrant converter, AC current of PWM converter can work in 4-quadrant, so do SVG.
非正弦电路无功功率及瞬时无功功率尚无统一的定义。
Then the definitions of average and instantaneous reactive power based on Hilbert transforrnation for non-sinusoidal circuit are presented.
为了研究新型的静止无功发生器，用电路理论中的替代定理，提出了一种基于电流控制的静止无功发生器(ASVG)的原理。
A novel Advanced Static Var Generator (ASVG) based on current control is proposed in terms of the Substitution Theorem in circuit theory.
从三相电路的综合矢量出发，提出了一种适用性广、算法简单的谐波及无功电流检测方法。
A detection approach of harmonics and reactive currents based on the integrated vector in 3 - phase circuit is proposed, which has the advantage of brief arithmetic and wide applications.
从物理和数学的角度，对单相电路、三相电路瞬时有功功率和瞬时无功功率的概念进行了剖析。
From physical and mathematical points of view, this paper analyses the nature of instantaneous active and reactive power.
这种方法满足电路定律、计及了有功和无功潮流的交叉耦合，使所有电源和负荷都参与损耗分摊。
This method meets all the circuit laws, and makes all the network loss allocated to all consumers and generators, and takes into account the interactions between active and reactive powers.
该节制器采用数字检测电路来获取电网电压与电流的相位差，年夜无功抵偿的事理出发，设计节制器的软硬件。
It measures excess phase of voltage and current by using digital circuit, Based on the reactive compensation theorem, the software and hardware of the controller is deigned.
该补偿装置是并联型静止无功补偿装置，由主电路、检测电路、控制电路、驱动电路四部分组成。
The compensation device is shunt static var compensator which includes 4 main parts: main circuit, measuring circuit, control circuit and drive circuit.
针对以上情况研制的新型低压无功补偿装置电路设计简单、成本低、控制精确且可靠性高。
A new type of low voltage reactive power compensation device is introduced, which is simple in design, low in cost and high inc...
针对以上情况研制的新型低压无功补偿装置电路设计简单、成本低、控制精确且可靠性高。
A new type of low voltage reactive power compensation device is introduced, which is simple in design, low in cost and high inc...
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