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Hosting capacity analysis of many distributed photovoltaic systems in future distribution networks

机译：未来配电网中许多分布式光伏系统的承载能力分析

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Installation of photovoltaic (PV) systems need to be accelerated much for the mitigation of climate change. This paper targets on huge penetration of distributed PV systems into feeders, of which the total PV capacity is several or several ten times of the existing load. Three kinds of countermeasures, improvement of conductor sizes, partial boosting voltage, smart invertors, and their combinations were analyzed with the criteria of the PV hosting capacity. Simulation results suggested that, without PV reactive power control, the increase of the hosting capacity for improvement of conductor size and boosting voltage were limited because of voltage rise in low voltage networks. The combination of the three kinds of countermeasures were necessary for the huge penetration of distributed PV systems. In such cases, the voltage needed to drop in the middle voltage networks in order to compensate the voltage rise in low voltage networks.
机译：为了缓解气候变化，必须大大加快光伏（PV）系统的安装。本文针对分布式光伏系统在馈线中的巨大渗透，其总光伏容量是现有负载的几倍或几十倍。根据光伏承载能力的标准，对改善导体尺寸，提高部分升压电压，智能逆变器及其组合的三种对策进行了分析。仿真结果表明，在没有光伏无功功率控制的情况下，由于低压网络中的电压升高，用于提高导体尺寸和提升电压的承载能力的增长受到限制。三种对策的结合对于分布式光伏系统的巨大渗透是必不可少的。在这种情况下，为了补偿低压电网中的电压上升，需要在中压电网中降低电压。

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