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首页> 外文会议>IEEE Conference on Energy Internet and Energy System Integration >Research on Voltage Exceeding Limits of Active Distribution Network Caused by Distributed Photovoltaic
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Research on Voltage Exceeding Limits of Active Distribution Network Caused by Distributed Photovoltaic

机译：分布式光伏引起的主动配电网络电压超限性研究

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摘要

At present, distributed power sources represented by photovoltaics are being widely connected to the distribution network gradually with their clean and flexible power generation methods. The output of the distributed photovoltaic is easily affected by environmental factors, and this uncertainty will have a huge impact on the economics and reliability of the distribution network. Aiming at the problem of voltage exceeding limits caused by distributed photovoltaic access to active distribution network, this paper introduces the influence on the reliability of distribution network when distributed photovoltaic grid-connected, details the change of distribution network voltage after distributed photovoltaic grid-connected, and analyzes the control strategy of photovoltaic inverter. Also, the simulation model of photovoltaic power supply into distribution network system is established, explores the voltage variation of different line length, voltage load and conductor cross-sectional area after distributed photovoltaic access. The simulation results show that the problem of the voltage exceeding limits of the active distribution network caused by photovoltaic grid connection can be solved by photovoltaic inverter control effectively.
机译：目前，光伏表示的分布式电源逐渐与其清洁和灵活的发电方法逐渐被广泛地连接到分配网络。分布式光伏的输出容易受环境因素影响，这种不确定性将对分销网络的经济性和可靠性产生巨大影响。针对电压超出限制的分布式光伏访问对主动配电网络引起的问题，本文对分布式光伏电网连接时对配电网络可靠性的影响，详细介绍了分布式光伏网格连接后的分配网络电压的变化，并分析光伏逆变器的控制策略。此外，建立了光伏电源的仿真模型，建立了分布式网络系统，探讨了分布式光伏通道后不同线宽，电压负荷和导体横截面积的电压变化。仿真结果表明，光伏逆变器控制有效地解决了光伏电网连接引起的主动分配网络的电压超出限制的问题。

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