External Inertia Emulation to Facilitate Active-Power Limitation in Grid-Forming Converters

被引：0

作者：

Imgart, Paul ^{[1
]}

Narula, Anant ^{[1
]}

Bongiorno, Massimo ^{[1
]}

Beza, Mebtu ^{[1
]}

Svensson, Jan R. ^{[2
]}

机构：

[1] Chalmers Univ Technol, Div Elect Power Engn, S-41296 Gothenburg, Sweden

[2] Hitachi Energy, Hitachi Energy Res, S-72226 Vasteras, Sweden

来源：

IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS | 2024年 / 60卷 / 06期

关键词：

Grid forming; Synchronization; Frequency conversion; Power system stability; Impedance; Phase locked loops; Switches; Current limiting; frequency stability; grid-forming converter; grid-connected converter; inertia; low-inertia power system; rate of change of frequency; CURRENT-LIMITING CONTROL; VIRTUAL IMPEDANCE; FREQUENCY; INVERTERS;

D O I：

10.1109/TIA.2024.3443792

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The aim of this paper is to present a grid-forming (GFM) control strategy with a novel active-power loop (APL) structure facilitating limitation of active power while providing maximum available inertial support. This is achieved by decoupling the synchronization duties of the APL from the inertial support. The latter is provided by calculating the active-power reference through a dedicated inertia-emulation loop (IEL), which is connected in cascade with the APL. The effectiveness of the proposed method is demonstrated through laboratory experiments including frequency transients of varying size and unbalanced operating conditions.

引用

页码：9145 / 9156

页数：12

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