PV-STATCOM应用的技术成本

2017 IEEE 6th International Conference on Renewable Energy Research and Applications (ICRERA) Pub Date : 2017-11-01 DOI:10.1109/ICRERA.2017.8191118

L. F. N. Lourenço, M. B. de Camargo Salles, R. Monaro, L. Quéval

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引用次数: 6

摘要

在白天运行时，光伏装置的功率转换器通常低于其额定功率。然后，它可以为电网提供无功支持。这个操作称为PV-STATCOM。这项工作提供了在白天运行PV-STATCOM的技术成本评估。这一技术成本是由于在向电网提供无功支持时，需要从电网购买有功电源来弥补额外的损耗。为了说明这一点，在Matlab/Simulink工具箱SimPowerSystems中对1.5 MWp光伏发电厂进行了建模。评估所有PV-STATCOM组件的损耗(转换器、电抗器、滤波器和升压变压器)。白天的技术成本可达系统额定容量的5.0%，电源转换器是PV-STATCOM运行中损耗的主要来源。最后，得到了随太阳辐照度变化的无功保障能力图。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Technical cost of PV-STATCOM applications

In daytime operation the power converter of a photovoltaic installation is generally used below its rated power. It could then provide reactive power support to the grid. This operation is called PV-STATCOM. This work provides an evaluation of the technical cost of operating a PV-STATCOM during daytime. This technical cost is due to the need of buying active power from the grid to supply extra losses when providing reactive power support to the grid. To illustrate, a 1.5 MWp PV farm is modeled in Matlab/Simulink toolbox SimPowerSystems. Losses from all the PV-STATCOM components are evaluated (converter, tie reactor, filter and step-up transformer). The daytime technical cost can reach up to 5.0% of the system rated capacity with the power converter being the main source of losses in PV-STATCOM operation. Finally, the reactive power support capability map is obtained as a function of the solar irradiance.

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来源期刊

2017 IEEE 6th International Conference on Renewable Energy Research and Applications (ICRERA)

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