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A wide-area damping control system (WADC) has recently been developed by China southern power grid (CSG), to enhance the damping performance of inter-area oscillations in CSG. It's the first time that PMU measurements are used as input to a continuous feedback control system in a real bulk power grid. The WADC uses modulation of two HVDC systems for power system damping. The control system comprises...
This paper describes part of our recent works on a project of China Southern Power Grid (CSG), which involves the simultaneous coordinated tuning of the three HVDC modulation controllers, with wide-area signals, in 2008's CSG to damp interarea oscillations. Due to the modeling limitation of HVDC control loops in small signal stability analysis, previous works on similar projects of CSG strongly depended...
This paper describes part of our recent works on a project of China Southern power grid (CSG), which involves analysis and design of wide-area coordinated HVDC modulation controllers to damp out interarea oscillations for CSG in 2008. The paper will put the emphasis on analysis issues. Due to the limitation of modeling of HVDC control loops in small signal stability analysis, previous works on similar...
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