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This paper focuses on the simulation study of speed tracking control applied to the PMSM (Permanent Magnet Synchronous Motor). Previous works has presented the (d-q) model and the NDI (Nonlinear Dynamic Inversion) control has been used. A limitation of the speed tracking control versus frequency and amplitude is exposed and explained in order to introduce the performance of NDI control method. An...
Modeling renewable energy generation systems with electrical machines has been an active area of research, wherein interfacing the machine models with power electronic converters is a known challenge area. As an alternative to traditional qd models, the coupled-circuit phase-domain (CCPD) and voltage-behind-reactance (VBR) models have been recently proposed. The permanent magnet (PM) generator has...
The control of active and reactive power of a doubly-fed machine (DFM) can be—due to the application of power electronics—very rapid, comparable to the control of FACTS devices. Besides DFMs in pumping-storage plants will become an important part of Slovenian electric-power system and it is important to know how these machines are working. This paper presents how to model a control of a DFM in a pumping-storage...
In this paper, a computer simulation of the Salient Pole Synchronous Machine (SPSM) is presented. This simulation employs a modeling based on the machine self and mutual inductance curves, determined from a methodology, not presented here. These methodology applies the experimental volt-ampere method to obtaining the inductances curves. From these inductance data, using a mathematical methodology,...
Among the existing renewable sources, wind energy is reaching production rates that are becoming important on the worldwide energy scene. Since the control of these wind generators is a very technical discipline, practical teaching methodologies are of special relevance. Paradoxically, in the past, the training of engineers specializing in this area has lacked the practical component represented by...
This paper presents the mathematical models and computer simulation for the power system of Yantai-Dalian train ferry. Firstly the system configuration is illustrated and then the mathematical models of main components are presented. Finally three typical dynamic operating scenarios are investigated through the computer simulations with Simulink. From the simulations, it is found that the machines...
This paper presents a new induction motor model specifically developed for simulating self-sensored variable speed drives which employ signal injection based sensorless control techniques. The model is to be used to investigate improved filtering algorithms and closed loop speed controllers. The model employs a simple state space equivalent circuit based model of the induction machine, which is enhanced...
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