Journal
TRANSACTIONS OF THE INSTITUTE OF MEASUREMENT AND CONTROL
Volume 41, Issue 6, Pages 1562-1570Publisher
SAGE PUBLICATIONS LTD
DOI: 10.1177/0142331217701539
Keywords
Interconnected power system; load frequency control; gravitational search algorithm; linear active disturbance rejection control; extended state observer; generalized disturbance
Funding
- National Natural Science Foundation of China [61304041, 61272064, 61673178]
- Fundamental Research Funds for the Central Universities [2016ZZD03]
- Shanghai Shuguang Project [16SG28]
- Shanghai Natural Science Foundation [17ZR1444700]
- Shanghai International Science and Technology Cooperation Project [15220710700]
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The performance optimization of the load frequency control problem for two-area interconnected power system is investigated by employing the gravitational search algorithm based linear active disturbance rejection control approach. Firstly, the load frequency control problem of a two-area power system with two identical non-reheated turbine units is formulated, taking into account the external step disturbance and parameters perturbation. Then, the essentials of the second order process oriented linear active disturbance rejection control approach are presented, where the parameters optimization procedure based on the gravitation search algorithm is proposed. Finally, the effectiveness of the proposed approach in the load frequency control problem is validated by the given extensive simulation examples. The disturbance rejection ability and the robustness with respect to the parameter perturbation of the proposed approach are also demonstrated.
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