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首页> 外文期刊>Energy for sustainable development >An improved scheme for enhancing the ride-through capability of grid-connected photovoltaic systems towards meeting the recent grid codes requirements
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An improved scheme for enhancing the ride-through capability of grid-connected photovoltaic systems towards meeting the recent grid codes requirements

机译：一种改进的方案，用于增强并网光伏系统的穿越能力，以满足最近的电网规范要求

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With the increasing number of solar PV systems, the future grid-connected converters should provide a full range of services. Such requirements make the operators of the distribution system modify the current grid codes to ensure the security of he power grid and enhance the Low Voltage Ride-Through (LVRT) capability of renewable energy resources (RER). Nowadays, in many countries, the smart grid is standardized, and thus, the development of control strategies for a grid-connected PV system is crucial, particularly with the high level of PV penetration. Initially, the paper reviews the grid codes for LVRT capability of grid-connected solar PV systems. Furthermore, the paper proposes an improved protection control strategy for the DC link of grid-connected PV system with reactive power support to enhance the LVRT during grid faults. The test results presented in this paper have vindicated the effectiveness of the proposed approach. (C) 2019 International Energy Initiative. Published by Elsevier Inc. All rights reserved.
机译：随着太阳能光伏系统数量的增加，未来的并网转换器应提供全方位的服务。这些要求使配电系统的运营商修改了当前的电网代码，以确保电网的安全性并增强可再生能源（RER）的低压穿越（LVRT）能力。如今，在许多国家/地区，智能电网已经实现了标准化，因此，开发并网光伏系统的控制策略至关重要，尤其是在光伏渗透率很高的情况下。最初，本文回顾了并网太阳能光伏系统的LVRT功能的电网代码。此外，本文还提出了一种改进的针对具有无功功率支持的并网光伏系统直流链路的保护控制策略，以增强电网故障期间的LVRT。本文介绍的测试结果证明了该方法的有效性。 （C）2019国际能源倡议。由Elsevier Inc.出版。保留所有权利。

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