Implementation of hybrid SSA–SA based three-degree-of-freedom fractional-order PID controller for AGC of a two-area power system integrated with small hydro plants

In this work, a comparative study is analysed between the fractional-order controllers such as fractional-order proportional–integral–derivative (FOPID), two-degree-of-freedom proportional–integral–derivative (DOF FOPID) and 3DOF FOPID, and conventional controllers such as proportional–integral–deri...

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Vydané v:	IET generation, transmission & distribution Ročník 14; číslo 13; s. 2430 - 2440
Hlavní autori:	Nayak, Jyoti Ranjan, Shaw, Binod, Sahu, Binod Kumar
Médium:	Journal Article
Jazyk:	English
Vydavateľské údaje:	The Institution of Engineering and Technology 03.07.2020 Wiley
Predmet:	2DOF PID 3DOF FOPID controller 3DOF PID AGC automatic generation control fractional based controllers fractional‐order controllers fractional‐order proportional–integral–derivative hybrid salp swarm algorithm–simulated hybrid SSA–SA hydro plants hydroelectric power stations novel salp swarm algorithm particle swarm optimisation power generation control Research Article simulated annealing thermal power stations three‐degree‐of‐freedom fractional‐order PID controller three‐term control two‐area power system two‐area thermal‐hydro‐diesel system two‐degree‐of‐freedom proportional–integral–derivative thermal power stations two-degree-of-freedom proportional–integral–derivative 3DOF FOPID controller three-term control hybrid salp swarm algorithm–simulated fractional-order proportional–integral–derivative simulated annealing particle swarm optimisation power generation control hydroelectric power stations two-area thermal-hydro-diesel system hydro plants hybrid SSA–SA 2DOF PID 3DOF PID three-degree-of-freedom fractional-order PID controller automatic generation control novel salp swarm algorithm fractional-order controllers two-area power system AGC fractional based controllers
ISSN:	1751-8687, 1751-8695
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Shrnutí:	In this work, a comparative study is analysed between the fractional-order controllers such as fractional-order proportional–integral–derivative (FOPID), two-degree-of-freedom proportional–integral–derivative (DOF FOPID) and 3DOF FOPID, and conventional controllers such as proportional–integral–derivative (PID), 2DOF PID and 3DOF PID employed in automatic generation control (AGC) in power system. The proposed 3DOF FOPID controller is validated as superior one among all other controllers. The gains of all the controllers are optimally plucked by novel salp swarm algorithm (SSA). Further, hybrid salp swarm algorithm–simulated annealing (hSSA-SA) algorithm is introduced to enhance the proficiency of 3DOF FOPID controller by sensibly plucking the gain parameters. The proposed approaches are implemented in a two-area thermal-hydro-diesel system. Small hydro plants (SHPs) of similar characteristics are enforced in both areas with their dynamic responses by conceding frequency deviations of each area. Further, sensitivity and robustness analysis of the system with and without SHP are observed by varying some important parameters of the system. Finally, the supremacy of three novel approaches (fractional based controllers, hSSA-SA and SHP) is substantiated gracefully.
ISSN:	1751-8687 1751-8695
DOI:	10.1049/iet-gtd.2019.0113