A corrective control for angle and voltage stability enhancement on the transient time-scale

Tuglie, E. De; Dicorato, Maria; Scala, Massimo La; Scarpellini, P.

doi:10.1109/59.898111

Cited by 54 publications

(13 citation statements)

References 5 publications

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“…Application of a load shedding action as fast as physically possible [21] and at arbitrary, predetermined time steps [22] have been reported. The optimal load shedding time, to the best of the authors' knowledge, has never been suggested or used before.…”

Section: Previous Workmentioning

confidence: 99%

Time Optimal Load Shedding for Distributed Power Systems

Aponte

Nelson

2006

IEEE Trans. Power Syst.

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Abstract-The formulation and computation of an optimal load shedding time algorithm is presented. This new concept was developed as an enhancement to the application of optimal load shedding for corrective control to support islanded power systems. The methodology combines nonlinear mathematical programming and discretized differential-algebraic power systems equations to estimate the optimal amount of load to be shed as well as the best time to shed it. Several simulated scenarios are studied and results presented.

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Section: Previous Workmentioning

confidence: 99%

Time Optimal Load Shedding for Distributed Power Systems

Aponte

Nelson

2006

IEEE Trans. Power Syst.

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“…There are some exceptions such as [10] and [11] where time-domain simulations are used to check voltage stability, but these references only consider preventive [10] or corrective controls [11], respectively, and not the combination of both. Methods incorporating the discretized system trajectory as constraints into the optimization itself have been proposed in [12] and [13]. Although general, this approach remains computationally demanding.…”

Section: Introductionmentioning

confidence: 99%

Coupling Optimization and Dynamic Simulation for Preventive-Corrective Control of Voltage Instability

Capitanescu

Cutsem

Wehenkel

2009

IEEE Trans. Power Syst.

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Abstract-This paper proposes an approach coupling security-constrained optimal power flow with time-domain simulation to determine an optimal combination of preventive and corrective controls ensuring a voltage stable transition of the system towards a feasible long-term equilibrium, if any of a set of postulated contingencies occurs. A security-constrained optimal power flow is used to adjust the respective contribution of preventive and corrective actions. Furthermore, information is extracted from (quasi steady-state) time-domain simulations to iteratively adjust the set of coupling constraints used by a corrective security-constrained optimal power flow until its solution is found dynamically secure and viable. Numerical results are provided on a realistic 55-bus test system.

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“…To meet the increasing power system demands especially in security, the application of unified power flow controller (UPFC) [1,2] becomes an alternative. The UPFC is, without a doubt, the most versatile device of the family of flexible AC transmission (FACTS) devices, since it is able to control the active and the reactive power respectively, as well as the voltage at the connection node, UPFC can be used for power flow control, mitigation of system oscillations and voltage (reactive power) regulation, etc.In the researches of power system security control, some form of transient control due to large perturbations has been hypothesized and its importance has been recognized to deal with instability problem, such as rescheduling of generation (preventive control) [3-5] and arming of load/generation shedding (corrective control) [6][7][8]. Except the instability problem result from the perturbations, the constraint of the power system is also an important issue, such as the frequency deviation constraint and current constraint on the branches.…”

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confidence: 99%