Multi objective load frequency control using hybrid bacterial foraging and particle swarm optimized PI controller

Author(s):  
Sukhwinder Singh Dhillon ◽  
J.S. Lather ◽  
S. Marwaha
2008 ◽  
Vol 8 (20) ◽  
pp. 3676-3682 ◽  
Author(s):  
K. Sabahi ◽  
A. Sharifi ◽  
M. Aliyari Sh ◽  
M. Teshnehlab ◽  
M. Aliasghary

Author(s):  
A. Jeya Veronica ◽  
N. Senthil Kumar ◽  
Francisco Gonzalez-Longatt

AbstractThis paper proposes a load frequency control (LFC) scheme for the distributed generation (DG) system of the microgrid (μ-grid) using the D-partition method (DPM). μ-grid is formed with a combination of renewable and non-renewable sources to supply distribution system loads of smaller capacity. In this research paper, μ-grid comprising of a combination of a wind turbine generator (WTG) and Diesel Generator (DG) are taken for investigation of LFC. For the effective control of real power generation of μ-grid, Proportional-integral (PI) controllers are implemented for WTG and DG system so that the frequency deviation is minimized. The PI controller parameters found by using DPM are compared with the conventional Ziegler-Nichols method (ZNM). The main contribution of this work is to provide a single step /simplistic computing method for calculating the PI controller parameters of a dynamic system such as the microgrid system comprising of the renewable energy sources without any further requirements of retuning. Simulation results demonstrate the robustness of the DPM, which is superior in damping frequency oscillations of μ-grid.


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