The reactive power and current of three-phase unbalanced load are compensated.
配电网三相负荷不平衡运行将增加配电网的电能损耗。
Three-phase unbalanced voltages have great effects on the performance of a line-start permanent magnet synchronous motor.
三相电压不对称对永磁同步电动机的性能影响较大。
The hybrid method of compensation:three-phase compensation and split-phase compensation is used to achieve a three-phase unbalanced load reactive power compensation;
采用三相共补与分相补偿的混合补偿方式，实现对三相负载不平衡的无功补偿；
The operation of unbalanced three-phase loads of distribution network will increase power loss.
配电网三相负荷不平衡运行将增加配电网的电能损耗。
This paper analyses and compares detecting techniques of compensating currents in three-phase balanced and unbalanced systems.
对其利、偿电流在三相平衡和不平衡系统下的检测技术进行分析和比较。
Phase components method may offer advantages in the analysis of unbalanced three-phase networks.
使用相分量方法在分析电力系统三相不对称网络时更加方便。
This paper presents a new converter control algorithm for the direct drive permanent magnet wind generator under the unbalanced three-phase source voltage.
提出了一种用于电网侧三相电压不平衡情况下的永磁直驱式风力发电机的逆变控制算法。
Three unbalanced phase loads varies randomly to lead to three phases unbalance in middle and low voltage distribution system, whi ch brings a series of problems on power grid.
在中低压配电网中，三相负荷随机变化，产生三相不平衡，从而给电网带来了一系列的问题。
The factors influencing the control system based on three-phase VSR are analyzed, and some theory strategies for the control system design in unbalanced power grid are provided.
通过对三相VSR在电网不平衡条件下影响其控制的因素分析，为设计三相VSR在电网不平衡条件下的控制策略提供理论基础。
The control principle, design idea and engineering fulfilment of TCT static var compensator in unbalanced three-phase system are introduced.
介绍了三相不平衡系统静止型动态无功补偿装置的控制原理、设计思想及工程实现。
Three unbalanced phase loads varies randomly to lead to three phases unbalance in low voltage distribution system, which brings a series of problems on power grid.
在电网中，三相负荷随机变化，产生三相不平衡，从而给电网带来了一系列的问题。
In accordance with the feature of three phase unbalanced loads, this article describes the correction principle of reactive power and the control system of single board computer.
本文针对三相不平衡负载特点，介绍了无功功率补偿原理和单板机控制系统。
The interpretation of active and reactive currents in non-sinusoidal and unbalanced three-phase four-wire systems is given based on the generalized instantaneous reactive power theory.
以通用瞬时无功功率理论为基础，阐述了电压不对称和非正弦条件时的有功和无功电流的物理意义。
And some indexes of power quality: voltage deviation, real power, reactive power, harmonic content, voltage fluctuation and unbalanced three-phase voltage and current, are discussed at length.
同时本文对电能质量的有关指标：电压偏差、频率偏差、各种功率、谐波含量、电压波动和三相不平衡的计算和检测方法，进行了详尽地阐述。
Active power filter can compensate current components which include distortion and negative sequence current components when it is used in unbalanced three-phase circuit.
电力有源滤波器能动态补偿不对称三相电路的畸变电流、负序电流分量。
The experimental results show that the detection method based on the FBD method can be used in unbalanced three-phase three-wire power systems.
实验结果表明，可以用在不平衡三相三线电源系统的检测方法基于FBD法。
Electric Arc Furnace (EAF) used in metallurgy industry often causes unbalanced three-phase load power, and therefore generates severs flicker to the grid, which seriously impact the power quality.
在冶金工业中使用的电弧炉可引起电网三相负荷不平衡，产生谐波引起电流闪变，严重影响电网电能质量。
The PWM control strategy with 3-th harmonic in addition is presented for four-leg three-phase inverter, the inverter can deal with unbalanced load and has a high utilization of dc bus voltage.
本文将三次谐波注入的PWM控制方案应用到四桥臂三相逆变器中，可以带非对称负载且具有较高的电压利用率。
And put up the compensation mode points of ingle-phase compensation and three-phase compensation together, it's more reasonable of adjustment in the three-phase reactive unbalanced situation.
并且提出以三相共补和单相分补的配合补偿方式，实现在三相无功不平衡的情况下，使无功调节更趋于合理。
And put up the compensation mode points of ingle-phase compensation and three-phase compensation together, it's more reasonable of adjustment in the three-phase reactive unbalanced situation.
并且提出以三相共补和单相分补的配合补偿方式，实现在三相无功不平衡的情况下，使无功调节更趋于合理。
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