One-dimensional ring power system is discredited to a number of nodes each containing a generator with internal reactance and load branch of resistance and reactance with a certain power factor. When a disturbance occ...One-dimensional ring power system is discredited to a number of nodes each containing a generator with internal reactance and load branch of resistance and reactance with a certain power factor. When a disturbance occurs at any machine in the power system, simulative analysis is performed to verify how the variation of load power factor affecting the behavior of electromechanical wave propagation by using the MATLAB package, from which different situations are presented and discussed. These results show the type of load has no effect on the behavior of electromechanical wave propagation.展开更多
The continuum model is a key paradigm describing the behavior of electromechanical transients in power systems.In the past two decades,much research work has been done on applying the continuum model to analyze the el...The continuum model is a key paradigm describing the behavior of electromechanical transients in power systems.In the past two decades,much research work has been done on applying the continuum model to analyze the electromechanical wave in power systems.In this work,the uniform and non-uniform continuum models are first briefly described,and some explanations borrowing concepts and tools from other fields are given.Then,the existing approaches of investigating the resulting wave equations are summarized.An application named the zero reflection controller based on the idea of the wave equations is next presented.展开更多
文摘One-dimensional ring power system is discredited to a number of nodes each containing a generator with internal reactance and load branch of resistance and reactance with a certain power factor. When a disturbance occurs at any machine in the power system, simulative analysis is performed to verify how the variation of load power factor affecting the behavior of electromechanical wave propagation by using the MATLAB package, from which different situations are presented and discussed. These results show the type of load has no effect on the behavior of electromechanical wave propagation.
基金This work is jointly supported by a discovery project of Australia Research Council(No.DP120101345)National High Technology Research and Development Program of China(863 Program)(No.2011AA05A105).
文摘The continuum model is a key paradigm describing the behavior of electromechanical transients in power systems.In the past two decades,much research work has been done on applying the continuum model to analyze the electromechanical wave in power systems.In this work,the uniform and non-uniform continuum models are first briefly described,and some explanations borrowing concepts and tools from other fields are given.Then,the existing approaches of investigating the resulting wave equations are summarized.An application named the zero reflection controller based on the idea of the wave equations is next presented.