13 Interfacing Methods for Electromagnetic Transient Simulation: New Possibilities for Analysis and Design
Shaahin Filizadeh
13.1 Introduction
Unprecedented growth in power demand combined with the advancements made in new technologies such as high-power electronics has greatly affected the size and complexity of modern power systems. The advent of power electronics and its dramatic progress in the past few decades, which has led to the realization of concepts such as HVDC and more recently FACTS, has contributed to hitherto unseen complexities. This trend will continue to dominate, as new technologies such as distributed generation and plug-in hybrid vehicles gain further popularity and become more prevalent.
The development of tools and techniques used for the analysis and design of today's sophisticated power systems needs to stay abreast with this rapid pace of change. 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 well-known examples of typical simulation tools for various kinds of power system studies. Among these, EMT simulation offers the highest level of detail in modelling individual systems elements. An EMT simulation model is typically valid for frequencies of up to a few kHz [4], which allows us to representing nonlinear and switching elements [4–8].
While EMT simulators remain standard ...
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