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This paper investigates power system small-signal oscillation stability as affected by a grid-connected SOFC (solid oxide fuel cell) power plant. It is demonstrated in the paper how the conventional and effective damping torque analysis can be applied to study the effect of the grid-connected FC (fuel cell) power generation on the damping of power system oscillations. It is concluded in the paper...
STATCOM (static synchronous compensator) and SSSC (series static synchronous compensator) are two new generation of FACTS devices based on voltage source converter (VSC). In this paper, a novel analytical method based on the well-know equal-area criterion in studying their capability to improve power system oscillation stability is proposed and some useful analytical conclusions are presented. Simulation...
This paper investigates the feasibility of damping multi-mode oscillations by a single FACTS device with multiple damping controllers in a multi-machine power system. The nonlinear dynamic model and the linearized Phillips- Heffron model of a power system installed with a MUPFC (Multi-terminal UPFC) are derived. While MUPFC is a type of FACTS device as an extended UPFC (Unified Power Flow Controller)...
This paper investigates the feasibility of multi-mode oscillation damping by using a single UPFC (unified power flow controller). The UPFC can fulfil multiple control functions by implementing multiple controllers. Supplementary damping control can be superimposed on any normal control function to perform the task of damping control. Hence technically it is applicable for a single UPFC to damp multi-mode...
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