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首页> 外文期刊>Electric power systems research >Reactive power control methods for photovoltaic inverters to mitigate short-term voltage magnitude fluctuations
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Reactive power control methods for photovoltaic inverters to mitigate short-term voltage magnitude fluctuations

机译：用于光伏逆变器的无功功率控制方法，以减轻短期电压幅度波动

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摘要

Variations in the output power of intermittent renewable sources can cause significant fluctuations of distribution system voltage magnitudes. Reactive power control methods that employ the reactive power capability of photovoltaic three-phase inverters to mitigate these fluctuations are proposed. These control methods cause the three-phase inverters to substitute reactive output power for real output power when fluctuations in the solar power are experienced, allowing the fluctuations to be controlled. Performance metrics for assessing the ability of these controllers to perform this mitigation are defined. The controllers are examined using the IEEE 123-bus feeder distribution system, and it is found that the controllers can effectively mitigate voltage magnitude fluctuations and that the appropriate choice of controller depends on the performance metrics of interest. (C) 2015 Elsevier B.V. All rights reserved.
机译：间歇性可再生能源的输出功率变化会引起配电系统电压幅度的明显波动。提出了利用光伏三相逆变器的无功功率能力来减轻这些波动的无功控制方法。这些控制方法使三相逆变器在经历太阳能功率波动时将无功输出功率替换为实际输出功率，从而可以控制波动。定义了用于评估这些控制器执行此缓解措施能力的性能指标。使用IEEE 123总线馈线分配系统对控制器进行了检查，发现控制器可以有效缓解电压幅度波动，并且控制器的适当选择取决于目标性能指标。 （C）2015 Elsevier B.V.保留所有权利。

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