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Impact of load transients on dynamic voltage restorers

机译：负载瞬变对动态电压恢复器的影响

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The Dynamic Voltage Restorer (DVR) is a promising and effective device for power quality enhancement due to its quick response and high reliability. Associated with the restorer is its energy-saving compensation control method which is considered to be attractive. It necessitates the injected voltage to effect a phase angle adjustment in the load-side voltage so as to maximize the use of the stored energy in the DVR. The effect of voltage phase shift on the loads is examined in this paper. The results show that both the static load and the induction motor load will exhibit drastic dynamic responses under this kind of phase shift, and analytical expressions indicate that load transient current responses are dependent of the magnitude of voltage phase shift and load parameters. The research work is an attempt to obtain qualitative measures of the interactions between the DVR and loads.
机译：动态电压恢复器（DVR）是由于其快速响应和高可靠性而具有电力质量增强的有希望的有效设备。与恢复器相关的是其节能补偿控制方法，被认为是有吸引力的。它需要注入的电压以实现负载侧电压中的相角调整，以便最大化DVR中存储的能量的使用。本文研究了电压相移对负载的影响。结果表明，静电负荷和感应电动机负荷都将在这种相移下表现出剧烈的动态响应，并且分析表达式表明负载瞬态电流响应依赖于电压相移和负载参数的大小。研究工作是一种尝试获得DVR和负载之间的相互作用的定性测量。

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