Load frequency control of a hydro-thermal system under deregulated environment using biogeography-based optimised three-degree-of-freedom integral-derivative controller

2015 ◽  
Vol 9 (15) ◽  
pp. 2284-2293 ◽  
Author(s):  
Asadur Rahman ◽  
Lalit Chandra Saikia ◽  
Nidul Sinha
Keyword(s):  
Frequency Control ◽  
Load Frequency Control ◽  
Degree Of Freedom ◽  
Thermal System ◽  
Load Frequency ◽  
Three Degree Of Freedom

scholarly journals Load frequency control of thermal system under deregulated environment using slime mould algorithm

2021 ◽  
Vol 12 (4) ◽  
pp. 2221
Author(s):  
Sambugari Anil Kumar ◽  
M. Siva Sathya Narayana ◽  
K. Jithendra Gowd
Keyword(s):  
Pid Controller ◽  
Frequency Control ◽  
Load Frequency Control ◽  
Thermal System ◽  
Open Market ◽  
Slime Mould ◽  
Load Frequency ◽  
Small Load ◽  
Optimal Value ◽  
Comparative Results

This paper emphasizes the significance of PID controller parameters using a slime mould algorithm (SMA) to reduce load frequency control (LFC) issues in a thermal system in an open market scenario. The SMA is used to solve the parameterization of the PID controller, which was formulated as an optimization problem.The performance of the PID controller parameters improves the dynamic characteristics of the system as frequency in each area, and also deviations in  tie line power after sudden load violation. In order to study the efficiency of the proposed method, the system was tested with different power transactions for a small load disturbance and the comparative results were presented. The optimal value of the controller parameters derived from SMA based PID controller is estimated using a finite nonlinear optimization using a performance index based method.

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