Forewarned Is Forearmed: An Automated System for Remedial Action Schemes

Yao, Ziwen; Vinnakota, Veera Raju; Zhu, Qiuhua; Nichols, Charles D.; Dwernychuk, Greg; Inga-Rojas, Tito

doi:10.1109/mpe.2014.2301552

Cited by 7 publications

(4 citation statements)

References 4 publications

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“…The closed-loop-based control is too slow to eliminate transient instability after a serve disturbance [31]. As a result, the open loop control based on the SPS system, shown in Figure 1, is adopted [10]. The control strategies are predetermined considering possible operating scenarios and are saved in the control strategy tables.…”

Section: Formulation Of Rtsec Problemmentioning

confidence: 99%

“…However, the wide-area measurement system-based closed-loop method [9], which is difficult to implement in practical projects, is hindered by communication signal delay. Transient stability emergency control is usually designed as an open-loop scheme to eliminate possible rotor instability by applying control measures that are stored in look-up tables beforehand, such as generator tripping and load shedding after severe disturbance [10].…”

Section: Introductionmentioning

confidence: 99%

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Robust Transient Stability Emergency Control Considering Wind Power Uncertainties

Wang

Geng

et al. 2023

IEEE Access

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Transient stability emergency control (TSEC) enhances power system transient stability during large disturbances but faces challenges in the high-penetration wind power grid where the wind power forecast error still cannot be ignored even with state-of-the-art forecasting methods. In this paper, the TSEC problem is modeled as robust nonlinear programming with the objective of maintaining rotor angle stability by generator tripping and load shedding while the uncertain wind power outputs are regarded as intervals. Interval programming is employed to solve the robust TSEC problem where the trajectory sensitivity analysis is applied to approximate the bounds of transient stability constraints. Numerical results on two test systems demonstrate that the proposed method improves computational efficiency and shows good performance on robustness.INDEX TERMS Interval programming, trajectory sensitivity analysis, transient stability emergency control, wind power uncertainties, worst case

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Section: Formulation Of Rtsec Problemmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Robust Transient Stability Emergency Control Considering Wind Power Uncertainties

Wang

Geng

et al. 2023

IEEE Access

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“…1) Power reserve of an actual operating point: The available power reserve ∆P inj,res of a generator with respect to its maximum power injection can simply be computed from the difference between the current stability margin %∆P inj (8) and the pre-determined security margin m sec , since both are expressed as percentages ofP inj (7).…”

Section: F Computation Of Available Power Reservesmentioning

confidence: 99%

“…The system executes corrective actions such as load or generation reduction to ensure reliable and safe system operation after fault occurrence. The automatic system-wide RAS arming system currently used in the power grid of British Columbia was described in [7]. The RAS arming patterns are determined periodically employing a transient stability analysis tool, which ensures security of the system.…”

Section: Introductionmentioning

confidence: 99%

Real-Time Remedial Action Against Aperiodic Small Signal Rotor Angle Instability

Weckesser¹,

Jóhannsson²,

Østergaard³

2016

IEEE Trans. Power Syst.

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Abstract-This paper presents a method that in real-time determines remedial actions, which restore stable operation with respect to aperiodic small signal rotor angle stability (ASSRAS) when insecure or unstable operation has been detected. An ASSRAS assessment method is used to monitor the stability boundary for each generator in real-time. The ASSRAS boundary represents the condition when a generator reaches the maximum steady state active power injection. The proposed control method exploits analytically derived expressions for the ASSRAS boundary and other characteristic curves in the injection impedance plane to determine an active power redispatch among selected generators to restore stable and secure operation. Since the method is purely based on analytically derived expression, the computation of the remedial actions is fast and well suited for real-time operation. The method was tested on the IEEE 14-bus and the Nordic32 test systems where results show that the method can efficiently determine the required active power redispatch to avoid an imminent instability.

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Use of Voltage and Transient Security Assessment Tools for Grid Operations at BC Hydro

Yao

Atanackovic

2021

Power Electronics and Power Systems

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Forewarned Is Forearmed: An Automated System for Remedial Action Schemes

Cited by 7 publications

References 4 publications

Robust Transient Stability Emergency Control Considering Wind Power Uncertainties

Robust Transient Stability Emergency Control Considering Wind Power Uncertainties

Real-Time Remedial Action Against Aperiodic Small Signal Rotor Angle Instability

Use of Voltage and Transient Security Assessment Tools for Grid Operations at BC Hydro

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