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@article{Piplezadeh:2012:10.1109/TCST.2012.2202285,
author = {Piplezadeh, Y and Chaudhuri, B and Green, TC},
doi = {10.1109/TCST.2012.2202285},
journal = {IEEE Transactions on Control Systems Technology},
title = {Control Coordination Within a VSC-HVDC Link for Power Oscillation Damping: A Robust Decentralized Approach Using Homotopy},
url = {http://dx.doi.org/10.1109/TCST.2012.2202285},
year = {2012}
}
TY - JOUR
AB - Power oscillations can be damped effectivelythrough modulation of both active and reactive power of a voltage source converter based high voltage direct current link. The challenge, however, is how to coordinate the control action properly at the two ends of the link without using a centralised control scheme, which requires fast communication of control signals to remote actuator (converters) sites. A full centralised controller may result in a closed-loop performance worse than that of an open loop in case of a communication loss of feedback signal(s). Alternatively, with a block-diagonal control structure, the individual control loops are decoupled from each other, which is not only easier to implement in a decentralized way, but also shown to guarantee a certain level of performance. Here, the concept of homotopy is applied to obtain a single block-diagonal controller from a set of full controllers, individually designed to ensure specified closed-loop performance for a set of operating conditions. Simulation studies in DIgSILENT PowerFactory are carried out on two test systems to demonstrate both the robustness and control coordination in a decentralised framework.
AU - Piplezadeh,Y
AU - Chaudhuri,B
AU - Green,TC
DO - 10.1109/TCST.2012.2202285
PY - 2012///
TI - Control Coordination Within a VSC-HVDC Link for Power Oscillation Damping: A Robust Decentralized Approach Using Homotopy
T2 - IEEE Transactions on Control Systems Technology
UR - http://dx.doi.org/10.1109/TCST.2012.2202285
UR - http://hdl.handle.net/10044/1/13963
ER -