A transient stability simulation package (TSSP) for teaching and research purposes

A Transient Stability Tool Combining the SIME Method with MATLAB and SIMULINK

“…• The critical machines responsible for the loss of synchronism • The stability margin (10) which is a measure of severity (w u is the equivalent OMIB speed when instability condition (9) is satisfied). This stability margin definition relies on the concept of the equal area criterion.…”

“…This stability margin definition relies on the concept of the equal area criterion. 3 In short, it states that the stability properties of a contingency scenario may be assessed in terms of the stability margin (10) where A dec is the decelerating and A acc the accelerating area of the OMIB P − d plane. In the above expression (10), the accelerating area represents the kinetic energy stored essentially during the fault-on period, while the decelerating area represents the maximum potential energy that the system can dissipate in the post-fault configuration.…”

“…The resulting package has the functionalities of the commercial packages available while at the same time offering the user the possibility to add on complexity to the existing model if she wishes to, thus combining the best of both worlds. Note that although stability evaluation packages are reported earlier, [9][10][11] they are not MATLAB, nor SIME based. Note also that the Simpower toolbox provided in MATLAB is not so well suited for this application, as it requires a three-phase representation.…”

Interfacing methods for design-oriented electromagnetic transient simulation

“…Advanced computer simulation is a widely accepted approach for analysis and design of power systems. Power flow [1], transient stability [2], small signal stability [3], and electromagnetic transient (EMT) simulation [4] are wellknown examples of typical simulation tools for various kinds of studies. Among these, the electromagnetic transient simulation offers the highest level of detail in modeling individual systems elements.…”