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Power electronic system in general is mixed in multi-domains which have their own change rates in variables. Such a system is called multirate and it can be simulated efficiently for the numerical integration process by utilizing the characteristic. Mainly two methods have been proposed for the multirate analysis. One is the circuit partitioning method which divides a system with large energy storage...
Various fast and efficient computation techniques for a power converter simulation have been researched. According to the conventional methods, a single step size for a whole circuit is selected for the numerical integration. A real-power electronic system, however, is multirate in that its currents and voltages nonuniformly vary spatially and temporally, and its subcircuits have different transient...
Steady-state simulation of a power electronic system is often necessary to check its performances. Fast and efficient simulation methods have been already proposed. However they are for a single- rate periodicity system during one switch period and not for a multi-rate periodicity system which has a short and a long multi-rate periods. It takes a lot of CPU time to solve the multi-rate system with...
This paper describes practical modeling and simulation techniques of general-purpose system simulators which can analyze a power electronic (PE) system which is mixed in three meanings; analog and digital, main and control, and multiple physical domains. First it is described how to model the mixed system by decomposing it into different classification types in a system description language, for example,...
It is necessary to consider variations of circuit element values for power electronic converter design to satisfy a given specification for a frequency characteristic or a dynamic transient response because the variations of element values generate those of the designed characteristic. Therefore element values and their variation ranges should be designed to give a satisfactory characteristic within...
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