Global ETD Search
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Showing 1 to 12 of 12 for “"Power system transient stability"”.
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Validation of power system transient stability results
Simulation of the transient stability problem of a power system, which is the assessment of the short term angular and voltage stability of the system following a disturbance, is of vital importance. It is widely known in the industry that different transient stability packages can give …
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POWER SYSTEM TRANSIENT STABILITY CONTROL WITH CONSIDERATION OF UNCERTAINTIES
Stability of power system ensures continuous and uninterrupted power delivery from generation to demands and measures the dynamic behaviour of different system characteristics subject to disturbances. Failure to maintain stability can lead to consequences ranging from disconnected buses and areas …
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Real-time validation of power system transient stability simulation results
Performing transient stability study using simulation software is crucial to determining the threshold amount of disturbance a system can handle before losing synchronism. These disturbances include events such as loss of generation, loss of a large load, or fault on transmission facilities. …
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Impact of stochastic loads and generations on power system transient stability
"Randomness in physical systems is usually ultimately attributed to external noise. Dynamic systems are driven not only by our own control inputs, but also disturbances which cannot be modeled deterministically. A linear system model is justifiable for a number of reasons, often such a model is …
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Power system transient stability analysis of stiff systems using the Multirate method
Power system transient stability studies are complex and can take a substantial amount of time to simulate. The Multirate integration method is one way to speed up simulation studies. This thesis studies the effects of using a type of Multirate simulation method in a software package. In this …
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Power System Transient Stability Analysis Considering Load And Wind Power Generation Variability
This research investigated the transient stability of a power system that integrated wind power generators (WPGs) by considering the variability of the system load and power they produced. The power produced by the WPGs was modelled using wind speed, while the variability of the power system load …
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Assessment of direct methods in power system transient stability analysis for on-line applications
… allows the problem of real time prediction of instability and control to be considered. The use of direct methods for these on-line applications is assessed. The classical representation of a power system allows the use of two reference frames: Center of angle and one machine as reference. …
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Impact of high penetration of PV generation on power system transient stability and fault current; modeling for real-time studies
The electric power system is currently experiencing a period of unprecedented changes in the technology of generation. Environmental and sustainability concerns led to replacement of a significant share of conventional thermal generation with renewable energy resources. This shift has raised major …
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Valuing of inertia and fast-acting storage devices in interconnected power grids
As power systems evolve, integration of renewable energy, lightweight-turbine generators and other electronic devices result in: 1) less inertia and maybe worse primary frequency responses (from transient stability perspective of view); 2) stricter ramping requirement (from system operation …
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Nonparametric sparse learning of dynamical systems
… dynamics of very general, nonlinear dynamical systems. In this dissertation, we develop a nonparametric approach to learning the system dynamics via transfer operators in reproducing kernel Hilbert spaces (RKHS). Compared with methods using fixed parametric structures, the proposed …
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Methods of Handling Missing Data in One Shot Response Based Power System Control
… et al. where the authors have described about transient event prediction and response based one shot control using decision trees trained and tested in a 176 bus model of WECC power system network. This thesis contains results from rigorous simulations performed to measure robustness of the …
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Enabling technologies and services for the green transformation of the Italian electric power system [Tecnologie e servizi abilitanti per la trasformazione verde del sistema elettrico italiano]
A causa dei cambiamenti climatici degli ultimi decenni, è urgente adottare strategie per contenerne lo sviluppo e gli effetti sul nostro pianeta. A tal fine, la comunità internazionale si è mobilitata fin dal 1997, con il protocollo di Kyoto, e ha rinnovato il suo impegno, come con la COP 21 del …