End user voltage regulation to ease urban low-voltage distribution congestion
End user voltage regulation to ease urban low-voltage distribution congestion
复制标题
终端用户电压调节缓解城市低压配电拥堵
DOI：
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发表时间：
2014
期刊：
影响因子：
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通讯作者：
S. Finney
中科院分区：
文献类型：
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作者：
G. Connor;C. Jones;S. Finney
由于城市地区对热泵和电动汽车（EV）等新技术的需求不断增长，低压（LV）配电网中更大的电力容量变得越来越重要。本研究将探讨如何通过使用点电压调节（PUVR）的实施来提高功率容量。PUVR依赖于每个终端用户的电力电子转换器。大多数低压网络电缆的电压限制为1 kV，PUVR利用此电压额定值来增加网络容量。这项研究将描述和讨论的结果，从可行性研究使用的数据从公用事业公司，这表明，在低压网络的容量可以增加额外的500千伏安。然而，还发现使用现有现成转换器的PUVR不如替换LV网络电缆具有成本效益。到目前为止，在仿真研究中已经研究了两种电力电子拓扑结构：交流斩波电路和背靠背逆变器电路。这两种拓扑结构进行了比较，交流斩波器被发现是一个更便宜，更有效的拓扑结构。因此，交流斩波器更适合这种应用，并可提高PUVR的可行性。
Owing to the increasing demand in the urban areas for new technologies such as heat pumps and electric vehicles (EVs), greater power capacity in low voltage (LV) distribution networks is becoming increasingly important. This study will investigate how to improve the power capacity through the implementation of point of use voltage regulation (PUVR). PUVR relies on a power electronics converter at each end-user. Most LV network cabling has a voltage limit of 1 kV, PUVR exploits this voltage rating to increase the network capacity. This study will describe and discuss the results from a viability study using data from a utility company, which shows that the capacity in the LV network could be increased by an additional 500 kVA. However, it was also found that PUVR using present off-the-shelf converters is not as cost-effective as replacing the LV network cables. Two power electronics topologies have been investigated in the simulation studies to date: the AC chopper circuit and the back-to-back inverter circuit. These two topologies were compared and the AC chopper was found to be a cheaper, more efficient topology. Therefore the AC chopper is more suitable for this application and may increase the viability of the PUVR.