Under Frequency Load Shedding in Inverter Based Microgrids by Using Droop Characteristic

被引：27

作者：

Dehghanpour, Ehsan ^{[1
]}

Karegar, Hossein Kazemi ^{[2
]}

Kheirollahi, Reza ^{[3
]}

机构：

[1] McGill Univ, Elect & Comp Engn, Montreal, PQ H3A 0G4, Canada

[2] Shahid Beheshti Univ, Elect Engn, Tehran 1983963113, Iran

[3] Drexel Univ, Elect & Comp Engn, Philadelphia, PA 19104 USA

来源：

IEEE TRANSACTIONS ON POWER DELIVERY | 2021年 / 36卷 / 02期

关键词：

Microgrids; Frequency control; Frequency estimation; Time-frequency analysis; Inverters; Voltage control; Flowcharts; Droop Characteristic; Inverter Based Microgrid; Load Shedding; Microgrid Protection; Under Frequency Load Shedding;

D O I：

10.1109/TPWRD.2020.3002238

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In this article, a new Under Frequency Load Shedding (UFLS) method for Inverter-Based Microgrids (IBMs) is presented. The proposed strategy uses frequency variations to estimate the power deficit in IBMs without using wide communication platform and calculating system inertia time constant. Variations of power generation are considered during the load shedding process. The shortage of power is also compensated by the load shedding during several stages. Estimated droop coefficient is updated in each load shedding stage, enabling the proposed method to have a reliable performance in the case of the microgrid's parameters changes which could happen during the load shedding process. The proposed method is simulated and implemented in an IBM by using MATLAB\Simulink software package; the obtained results show the effectiveness and the correctness of the proposed scheme to recognize power deficit and to compensate power shortage.

引用

页码：1097 / 1106

页数：10

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