Backstepping Technique-Based Customer-End Voltage Control Strategy of DC Distribution Network

被引:2
|
作者
Achlerkar, Pankaj D. [1 ]
Nougain, Vibhuti [1 ]
Panigrahi, Bijaya Ketan [1 ]
机构
[1] IIT Delhi, Dept Elect Engn, New Delhi 110016, India
关键词
Voltage control; Backstepping; Inverters; Control design; Radio frequency; Voltage measurement; Backstepping technique; low-voltage dc system; voltage control; voltage source converter (VSC);
D O I
10.1109/JESTPE.2019.2959670
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
This article develops a robust control strategy for voltage regulation of customer-end ac loads, where the low-voltage multiterminal dc network has been used for power distribution purposes. The control law for load-end dc-ac converter is synthesized by Lyapunov's direct method using the backstepping design process. The resultant control action is simply obtained by a linear combination of states and reference set-points and does not add extra dynamics into the system avoiding complexity. The proposed method does not require load current measurement. Simulation studies in MATLAB/Simulink show better dynamic performance compared with conventional PI controllers. The experimental results from a laboratory-scale prototype demonstrate the robustness of the proposed controller against variations in type and the amount of load profile and dc voltage.
引用
收藏
页码:666 / 676
页数:11
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