Policy Review of Impact of Distributed Generation on Power Quality

Isaac Kofi Otchere, Kwabena Amoako Kyeremeh, Nana Twum Duah, E. Frimpong
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引用次数: 1

Abstract

Distributed Generation is employed to enhance power stability. However, large integration of DGs can have adverse effect on power quality (PQ) such as voltage stability and harmonic pollution. Thus, jeopardizing the grid stability. Policies such as IEEE 1547 and 519 grid code standards (std) have been formulated to regulate and harmonize DG operations. Whilst IEEE std 1547 forbid DGs to partake in voltage regulation, IEEE 519 on the other hand limits the current drawn to a total demand distortion (TDD) not exceeding 5%. This policy will inevitably result in voltage instability and harmonic contamination if the DG power output surges. Although these policies help to mitigate the negative impact of DGs, there is no single solution that is most appropriate for a particular jurisdiction in addressing them. Therefore, to secure the future of the electric grid, there is a need to revisit the grid codes standards regulating DG operation.
分布式发电对电能质量影响的政策回顾
采用分布式发电,提高电力稳定性。然而,大集成度的dg会对电能质量(PQ)产生不利影响,如电压稳定性和谐波污染。从而危及电网的稳定。制定了IEEE 1547和519网格代码标准(std)等政策来规范和协调DG的运行。虽然IEEE标准1547禁止dg参与电压调节,但IEEE 519限制了总需求失真(TDD)不超过5%的电流。这一政策将不可避免地导致电压不稳定和谐波污染,如果DG功率输出浪涌。虽然这些政策有助于减轻发展目标的负面影响,但在处理这些问题时,没有最适合某一特定司法管辖区的单一解决办法。因此,为了确保电网的未来,有必要重新审视规范DG运行的电网规范标准。
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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