Open AccessSMES based a new PID controller for frequency stability of a real hybrid power system considering high wind power penetration
Author(s) -
Magdy Gaber,
Mohamed Emad A.,
Shabib G.,
Elbaset Adel A.,
Mitani Yasunori
Publication year - 2018
Publication title -
iet renewable power generation
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.005
H-Index - 76
ISSN - 1752-1424
DOI - 10.1049/iet-rpg.2018.5096
Subject(s) - control theory (sociology) , pid controller , electric power system , wind power , control engineering , automatic frequency control , matlab , robustness (evolution) , governor , frequency deviation , engineering , computer science , power (physics) , automotive engineering , control (management) , temperature control , electrical engineering , physics , quantum mechanics , artificial intelligence , biochemistry , chemistry , gene , aerospace engineering , operating system
This study proposes a coordination of load frequency control (LFC) and superconducting magnetic energy storage (SMES) technology (i.e. auxiliary LFC) using a new optimal PID controller‐based moth swarm algorithm (MSA) in Egyptian Power System (EPS) considering high wind power penetration (HWPP) (as a future planning of the EPS). This strategy is proposed for compensating the EPS frequency deviation, preventing the conventional generators from exceeding their power ratings during load disturbances, and mitigating the power fluctuations from wind power plants. To prove the effectiveness of the proposed coordinated control strategy, the EPS considering HWPP was tested by the MATLAB/SIMULINK simulation. The convention generation system of the EPS is decomposed into three dynamics subsystems; hydro, reheat and non‐reheat power plants. Moreover, the physical constraints of the governors and turbines such as generation rate constraints of power plants and speed governor dead band (i.e. backlash) are taking into consideration. The results reveal the superior robustness of the proposed coordination against all scenarios of different load profiles, and system uncertainties in the EPS considering HWPP. Moreover, the results have been confirmed by comparing it with both; the optimal LFC with/without the effect of conventional SMES, which without modifying the input control signal.