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- Title
Frequency Stability Analysis of Multi-Renewable Source System with Cascaded PDN-FOPI Controller.
- Authors
Behera, Aurobindo; Pati, Subhranshu Sekhar; Subudhi, Umamani; Ghatak, Subhankar; Panigrahi, Tapas Kumar; Alsharif, Mohammed H.; Mohsan, Syed
- Abstract
The present work describes a multi-area (two and three) renewable-energy-source-integrated thermal-hydro-wind power generation structure along with fleets of plug-in electrical vehicles (PEVs) in each control area. The generation–load balance is the prime objective, so automatic generation control (AGC) is adopted in the system. In the paper, a cascaded combination of proportional derivative with filter PDN and fractional-order proportional integral (FOPI) is proposed and tuned using the hybrid chemical reaction optimization with pattern search (hCRO-PS) algorithm. The hCRO-PS algorithm is designed successfully, and its effectiveness is checked through its application to various benchmark functions. Further, Eigen value analysis is carried out for the test system to verify the system stability. The impacts of diverse step load perturbation (i.e., case I, II, III, and IV) and time-varying load perturbation are also included in the study. Moreover, the impact of renewable sources, PEVs in different areas, and varied state of charge (SOC) levels on the system dynamics are reflected in the work. From the analysis, it can be inferred that the proposed controller provides comparable results with other fractional-order and conventional controllers under varying loading conditions.
- Subjects
FREQUENCY stability; EIGENANALYSIS; SYSTEM dynamics; AUTOMATIC control systems; CHEMICAL reactions; ADAPTIVE control systems; SOLAR thermal energy
- Publication
Sustainability (2071-1050), 2022, Vol 14, Issue 20, pN.PAG
- ISSN
2071-1050
- Publication type
Article
- DOI
10.3390/su142013065