电力电子变流器对dgus故障时电流-电压行为的影响——第二部分:光伏系统

S. Saleh, A. Aljankawey, B. Alsayid, M. A. Khaizaran
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引用次数: 3

摘要

光伏(PV)系统已成为中小型可再生能源发电的一种流行的分布式发电机组(dgu)。这些dgu的设计和操作是通过电力电子转换器(PECs)的一个或多个阶段提供电力。PV系统中使用的pec的非线性和开关特性以及控制行为可能对故障期间的电流-电压行为产生重大影响。这种故障可能发生在光伏系统侧,也可能发生在主电网侧。本文研究了并网光伏系统在故障状态下的电流-电压行为。
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Influences of power electronic converters on current-voltage behaviors during faults in DGUs-Part II: Photovoltaic systems
Photovoltaic (PV) systems have become a popular type of distributed generation units (DGUs) for small and medium levels of renewable energy generation. These DGUs are designed and operated to deliver electric power through one or more stages of power electronic converters (PECs). The non-linear and switched natures, along with control actions, of PECs used in PV systems can be of major influences on current-voltage behaviors during faults. Such faults may take place on the PV system side or host grid side. This paper investigates the current-voltage behaviors in grid-connected PV systems during fault conditions.
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