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author:

Liao, Jianghua (Liao, Jianghua.) [1] | Gao, Wei (Gao, Wei.) [2] | Yang, Yan (Yang, Yan.) [3] | Yang, Gengjie (Yang, Gengjie.) [4]

Abstract:

To address the low accuracy and stability when applying classical control theory in distribution networks with distributed generation, a control method involving flexible multistate switches (FMSs) is proposed in this study. This approach is based on an improved double-loop recursive fuzzy neural network (DRFNN) sliding mode, which is intended to stably achieve multiterminal power interaction and adaptive arc suppression for single-phase ground faults. First, an improved DRFNN sliding mode control (SMC) method is proposed to overcome the chattering and transient overshoot inherent in the classical SMC and reduce the reliance on a precise mathematical model of the control system. To improve the robustness of the system, an adaptive parameter-adjustment strategy for the DRFNN is designed, where its dynamic mapping capabilities are leveraged to improve the transient compensation control. Additionally, a quasi-continuous secondorder sliding mode controller with a calculus-driven sliding mode surface is developed to improve the current monitoring accuracy and enhance the system stability. The stability of the proposed method and the convergence of the network parameters are verified using the Lyapunov theorem. A simulation model of the three-port FMS with its control system is constructed in MATLAB/Simulink. The simulation result confirms the feasibility and effectiveness of the proposed control strategy based on a comparative analysis.

Keyword:

Distribution networks Double -loop recursive fuzzy Flexible multistate switch Grounding fault arc suppression neural network Quasi -continuous second -order sliding mode

Community:

  • [ 1 ] [Liao, Jianghua]FuZhou Univ, Coll Elect Engn & Automat, Fuzhou 350108, Peoples R China
  • [ 2 ] [Gao, Wei]FuZhou Univ, Coll Elect Engn & Automat, Fuzhou 350108, Peoples R China
  • [ 3 ] [Yang, Gengjie]FuZhou Univ, Coll Elect Engn & Automat, Fuzhou 350108, Peoples R China
  • [ 4 ] [Yang, Yan]Huaiyin Inst Technol, Fac Automat, Huaian 223003, Peoples R China

Reprint 's Address:

  • [Gao, Wei]FuZhou Univ, Coll Elect Engn & Automat, Fuzhou 350108, Peoples R China;;

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Source :

GLOBAL ENERGY INTERCONNECTION-CHINA

ISSN: 2096-5117

Year: 2024

Issue: 2

Volume: 7

Page: 190-205

1 . 9 0 0

JCR@2023

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 2

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