Inverter-Based Voltage Control of Distribution Networks: A Three-Level Coordinated Method and Power Hardware-in-the-Loop Validation

被引：54
|
作者：
Wang, Yu [1 ]
Syed, Mazheruddin H. [2 ]
Guillo-Sansano, Efren [2 ]
Xu, Yan [1 ]
Burt, Graeme M. [2 ]
机构：
[1] Nanyang Technol Univ, Sch Elect & Elect Engn, Singapore 639798, Singapore
[2] Univ Strathclyde, Inst Energy & Environm, Glasgow G1 1XQ, Lanark, Scotland
来源：
IEEE TRANSACTIONS ON SUSTAINABLE ENERGY | 2020年 / 11卷 / 04期
关键词：
Voltage control; Inverters; Reactive power; Decentralized control; Fluctuations; Voltage fluctuations; Real-time systems; Voltage regulation; PV inverters; distributed control; power hardware-in-the-loop; distribution networks; DISTRIBUTION-SYSTEMS; ENERGY-STORAGE; GENERATION; PENETRATION; REGULATORS; STRATEGY; IMPACT;
D O I：
10.1109/TSTE.2019.2957010
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The reactive power of the photovoltaic (PV) inverters has great potential for voltage regulation of distribution networks. In this paper, a new three-level coordinated control method for PV inverters is proposed to address network voltage fluctuation and violation issues. In Level I, a ramp-rate control is designed to smooth the network voltage fluctuations, while in Level II, a droop control is designed to alleviate the network voltage deviations. If the local compensation provided by Level I and II is not enough to regulate the network voltages within the required limits, the Level III control based on dynamic average consensus can respond and share the reactive power requirement among other inverters in a distributed way. The proposed control method can smooth the voltage profiles, restrain the voltage rise/drop problem, and coordinate all PV inverters in real-time when there is no feasible local solution. The stability analysis of the proposed three-level coordinated control for network voltage regulation is provided. The power hardware-in-the-loop (PHIL) experiment has been conducted for validating the proposed control method under various scenarios.
引用
收藏
页码：2380 / 2391
页数：12
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