The market liberalization is expected to affect drastically the operation of power systems,
which under economical pressure and increasing amount of transactions are being …

This paper proposes a unified approach to contingency filtering, ranking and assessment in
power system transient stability studies. The approach consists of two-block techniques in …

Abstract The Critical Clearing Time (CCT) is a key issue for Transient Stability Assessment
(TSA) in electrical power system operation, security, and maintenance. However, there are …

Load models play an important role in power system stability analysis and accurate load
models are essential for and will benefit power system stability assessment. It is not …

In this paper it is studied and analyzed the impact of different security performance indices
on a contingency screening and ranking algorithm. The proposed filtering technique …

In this paper it is proposed a probabilistic stead-state security assessment of an electric
power system using a Monte Carlo method. This approach evaluates a probabilistic …

Performance indices are used to rank the impact of contingencies in power system security
studies. In this paper it is proposed a new approach to the use of performance indices to …

This paper presents a transient stability preventive control technique based on a hybrid
method. In order to maintain the power system security it is evaluated the generators output …

Transient stability assessment, preventive control measures and dynamic ATC calculations
are addressed for a new deregulated EMS system. The combination of time domain …

In this thesis it is studied, simulated and analysed the transient stability of an Electric Power
System using a new hybrid method. This efficient and robust approach combines the …