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基于内模控制的三相电压型PWM整流器不平衡控制策略研究，提供了不平衡状态下PWM整流器模型-Internal model control based on the three-phase voltage-type PWM rectifier control strategy for unbalanced study provides a PWM rectifier under unbalanced model
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a transmission line fault location model which is based on an Elman recurrent network
(ERN) has been presented for balanced and unbalanced short circuit faults. All fault situations with
different inception times are implemented on a 380-kV proto
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关于TCR+FC型SVC的研究文献，这篇文章考查了晶闸管控制的并联补偿器的理论基础。不平衡负荷补偿和电压稳定的条件是建立在对称分量的应用上的。适用于前馈控制（电脑的）的数学关系是根据。这里对前馈和反馈的实用方法进行了讨论。-This paper examines the theoretical foundations of thyristorcontrolled shunt compensation. Conditions for unbalanced load compensation and
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在电网电压频率波动或者三相不平衡的情况下,硬件锁相很难准确检测到基波正序的相位。在结合PWM整流器空间矢量解耦控制算法的基础上,将软件锁相环技术应用在PWM整流器控制系统中,并用仿真和实验验证了该方案的可行性。实验结果表明,该方案解决了电网电压频率波动及三相不平衡时的相位同步等问题,并在工程上具有一定参考价值。-Frequency or voltage fluctuations in three-phase unbalanced case, the hardware lock is diffic
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设计了一种新颖的三相锁相环的设计算法，可以用于不平衡电压的相位检测和跟踪。-A modified soft phase lock loop algorithm improving the performance inDynamic phase tracking and detection of unbalanced voltage
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This paper presents harmonic and reactive power
compensation based on a generalized theory of instantaneous reactive power for three-phase power systems. This new theory gives a generalized definition of instantaneous reactive power,which is valid
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Genetic algorithm is used for voltage regulating in unbalanced radial distributions system.here in the algorithm gives initial selection , installation and tap settling for voltage regulators to provide a smooth voltage profile along network .the eff
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This paper proposes a new and explicitly frequencyadaptive
method for Virtual Flux estimation and voltage sensorless
grid synchronization under unbalanced conditions.
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The basic principle of the dynamic voltage restorer is to inject a voltage of required magnitude and frequency, so that it can restore the load side voltage to the desired amplitude and waveform even when the source voltage is unbalanced or distorted
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THREE PHASEE DYNAMIC VOLTAGE RESTORER WITH INVERTER CONTROL
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This paper, focus on the study and design of a shunt active power (APF) filter for the compensation of harmonic currents and reactive power in polluted environment and under unbalanced network voltage. In APF design and control, p-q theory was often
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The DVR handles both balanced and unbalanced situations without any difficulties and injects the appropriate voltage component.
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direct power contorl of three level npc under unbalanced and distorted grid voltage
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the unbalanced load causes an unbalanced transmission
line. A voltage unbalance in the source influences the
power equipment by causing a reduction in the power generation
capacity of the generator and a decrease in the output of the
other fa
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在电网电压不平衡条件下，采用陷波器不能消除2 的震荡，且也不能对谐波消除。研究发现电压的正序和负序的振荡分量相吻合。不平衡整流-Under the condition of unbalanced power grid voltage, PWM rectifier
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This paper presents a dual voltage source inverter
(DVSI) scheme to enhance the power quality and reliability of
the microgrid system. The proposed scheme is comprised of two
inverters, which enables the microgrid to exchange power generated
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The active power filters have gained much more attention because of its excellent performance to mitigate the harmonic and reactive power issues. A shunt active power filter with Instantaneous active and reactive power theory (P-Q theory) has been pr
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本文论述了在控制的一个重要方面电网连接的电源转换器，即检测基波正序分量的电网电压不平衡和扭曲的条件下。明确地,提出了一种积极的基于一种新的序列检测器双同步坐标系的解耦锁相环（双dq–PLL），完全消除了检测误差传统的同步参考框架（SRF–锁相环PLL）。(This paper deals with an important aspect in the control of grid connected power converters, that is, detecting the fundam
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讲述并网逆变器中全软件锁相环的设计与实现，，即检测基波正序分量的电网电压不平衡和扭曲的条件下。明确地,提出了一种积极的基于一种新的序列检测器双同步坐标系的解耦锁相环（双dq–PLL），完全消除了检测误差传统的同步参考框架（SRF–锁相环PLL）(and implementation of all software phase-locked loop in grid connected inverter is described, that is, detecting the positive a
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在电压不平衡时，进行锁相，与正负序分离，对负序分量进行处理，效果不太理想(When the voltage is unbalanced, phase-locked is carried out to separate the positive and negative sequence)
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