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multiple inverter configuration
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  多重化结构
     Unbalanced control for Static synchronous compensator (STATCOM) based on multiple inverter configuration under asymmetric power system is studied in this paper . The algorithm and the control effect of δ θ(delta theta) unbalanced control strategy are analyzed in detail. On the basis of analysis results, δ(delta) unbalanced control method is proposed.
     研究了在系统不对称情况下基于多重化结构的静止同步补偿器 (STATCOM )的分相不对称控制 ,详细分析了δ θ分相控制算法及其控制效果 ,并在此基础上提出了δ控制方法。
短句来源
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Unbalanced control for Static synchronous compensator (STATCOM) based on multiple inverter configuration under asymmetric power system is studied in this paper .The algorithm and the control effect of δ θ(delta theta) unbalanced control strategy are analyzed in detail. On the basis of analysis results, δ(delta) unbalanced control method is proposed. Comparing the harmonic generated and the unbalanced degree compensated by using both δ θ and δ control strategies, it is showed that the control result...

Unbalanced control for Static synchronous compensator (STATCOM) based on multiple inverter configuration under asymmetric power system is studied in this paper .The algorithm and the control effect of δ θ(delta theta) unbalanced control strategy are analyzed in detail. On the basis of analysis results, δ(delta) unbalanced control method is proposed. Comparing the harmonic generated and the unbalanced degree compensated by using both δ θ and δ control strategies, it is showed that the control result of δ method is superior to that of δ θ control method.The theoretical analyzing results have been proved by computer simulation.

研究了在系统不对称情况下基于多重化结构的静止同步补偿器 (STATCOM )的分相不对称控制 ,详细分析了δ θ分相控制算法及其控制效果 ,并在此基础上提出了δ控制方法。通过对 2种控制算法在谐波产生、最大负序补偿度等方面的分析表明 ,δ分相控制的总体控制效果优于δ θ控制。仿真结果验证了理论分析的正确性。

Applying individual-phase unbalanced control to STATCOM based on multiple-inverter configuration under asymmetric power system,it not only can generated the required positive voltages,but also can generated negative voltages which is used to offer resistance to system negative voltage,and enhance viability of STATCOM in actual environment.According to the main power circuit configuration of±20Mvar STATCOM equipment,a method of the individual-phase unbalanced control based on all phase-shifted...

Applying individual-phase unbalanced control to STATCOM based on multiple-inverter configuration under asymmetric power system,it not only can generated the required positive voltages,but also can generated negative voltages which is used to offer resistance to system negative voltage,and enhance viability of STATCOM in actual environment.According to the main power circuit configuration of±20Mvar STATCOM equipment,a method of the individual-phase unbalanced control based on all phase-shifted for STATCOM,δunbalanced control method,is proposed and the detailed algorithm is given in this paper.The harmonic generated and the compensating ability provided by applyingδcontrol strategy to STATCOM are analyzed and discussed.Comparing simulation results ofδmethod with which of other unbalanced control method,the validity and feasibility of the proposed method are confirmed.

多重化结构的STATCOM装置采用分相控制后,除产生正常的正序电压外,还能产生要求的负序电压以抵抗系统负序对装置的破坏性影响,提高装置在系统不对称情况下生存和工作能力。针对三单相四重化结构的±20MvarSTATCOM装置,提出一种基于全相位δ变化的分相不对称控制方法,并给出详细的控制算法;同时对采用该控制后,STATCOM装置在谐波产生以及负序补偿能力等方面问题进行分析和研究。通过与其它控制方法的仿真结果比较,验证了所提方法的正确性和有效性。

 
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