Optimization of Automatic Generation Control and Economic Load Dispatch for Two Area Six Unit Interconnected Power System
Engineering and Technology Journal,
2021, Volume 39, Issue 10, Pages 1610-1624
AbstractThis paper proposes an integrated Economic Load Dispatch (ELD) and Automatic Generation Control (AGC) for interconnected power systems. Based on their participation factor determined from the economic load dispatch calculation, each unit shares the total change in the same control region. In this study, two control areas are considered. Three thermal units are located in each control area. An integral controller (I) is only used for the AGC mechanism's secondary controller and is used for the primary controller for the ELD mechanism. An Improved Grey Wolf Optimizer (IGWO) technique is used to evaluate the optimum parameters of the integral controllers for primary and secondary controllers. An integral time square error (ITSE) has been used as the objective function to tune the suitability of the proposed controller gains. The simulation results demonstrate that the integrated AGC with ELD has the superiority in reducing the overshoot and fast steady state compared with AGC only.
- Coordination of automatic generation control and economic dispatch lowers running cost.
- Power systems interconnecting is more economic than systems individual operation.
- Novel optimization algorithms are more accurate in tuning the gains of the controllers.
- Without automatic generation control, steady state frequency deviation is not zero.
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