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- Title
Using a Reduced Order Robust Control Approach to Damp Subsynchronous Resonance in Power Systems.
- Authors
Kadhem, Basim T.
- Abstract
This work focuses on the use of the Linear Quadratic Gaussian (LQG) technique to construct a reliable Static VAr Compensator (SVC), Thyristor Controlled Series Compensator (TCSC), and Excitation System controller for damping Subsynchronous Resonance (SSR) in a power system. There is only one quantifiable feedback signal used by the controller (generator speed deviation). It is also possible to purchase this controller in a reduced-order form. The findings of the robust control are contrasted with those of the "idealistic" full state optimal control. The LQG damping controller's regulator robustness is then strengthened by the application of Loop Transfer Recovery (LTR). Nonlinear power system simulation is used to confirm the resilience of the planned controller and demonstrates how well the regulator dampens power system oscillations. The approach dampens all torsional oscillatory modes quickly while maintaining appropriate control actions, according to simulation results.
- Subjects
SUBSYNCHRONOUS resonance; ROBUST control; STATIC VAR compensators; POWER system simulation; THYRISTOR control
- Publication
Iraqi Journal for Electrical & Electronic Engineering, 2023, Vol 19, Issue 1, p29
- ISSN
1814-5892
- Publication type
Article
- DOI
10.37917/ijeee.19.1.4