智能光伏逆变器伏安控制参数设置的对比分析:以实例为例

S. Ullah, Ali Jafarian Abianeh, Ebuka B Osunwoke, F. Ferdowsi
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引用次数: 6

摘要

本文旨在深入研究智能逆变器(SI)中现有的无功功率控制策略,这些策略可以利用其不同的设定特性进行电压调节。有不同的标准来保持电网母线电压在期望的阈值范围内。本文考虑到美国电网的限制,对不同的国际设置进行归一化,并将这些归一化设置应用于智能光伏逆变器的伏安控制。以改进的ieee13总线系统为例,研究了电压-无功控制的选定参数设置。为了评估系统在各种条件下的性能,利用台风硬件在环(HIL)建立了实时仿真模型。仿真结果验证了Volt- Var控制的不同特征(死带大小、电压限值、吸收/注入无功功率)在高光伏渗透条件下的电压调节中起着关键作用,必须在设计和运行阶段仔细考虑。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Comparative Analysis of Volt-Var Control Parameter Settings of Smart PV Inverters: A Case Study
This paper aims to take a deep dive into existing reactive power control strategies in Smart Inverters (SI) that can be utilized for voltage regulation using its different features of setting. There are different standards to maintain power grid bus voltages within the desired threshold limits. In this paper, different international settings are normalized in consideration of USA power grid limits, and these normalized settings are applied to Volt- Var control of smart PV inverters. The selected parameter settings for Volt- Var control are investigated using a modified IEEE 13 bus system as the case study. To evaluate the system performance under each condition, a real time simulation model is developed using Typhoon Hardware In Loop (HIL). The simulation results verify that different features (size of dead-band, voltage limits, absorbing/injecting amount of reactive power) of Volt- Var control plays a critical role in voltage regulation under high PV penetration conditions that have to be carefully considered at design and operational stages.
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