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Dynamic analysis of three phase induction motor in DigSilent Power factory

Kakai, Hossein-Ali (2014) Dynamic analysis of three phase induction motor in DigSilent Power factory. Other thesis, Murdoch University.

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The starting of an induction machine is a highly dynamic process, which on weak systems may result in voltage fluctuations within the network, potentially leading to load damage. The voltage fluctuations that may lead to this load damage can result from the high starting current in the induction machine. Some of the methods used to prevent the voltage fluctuations that lead to damage, require reducing the voltage supplied to the motor during start up. However, there are many different starting methods that can be used to solve this issue in electrical systems. The main object of this thesis is to ensure that PowerFactory can assist the user to choose the most suitable starting methods. The machine parameters must be known before implementing the machine model in the simulation tool. Some practical tests are performed to estimate the machine parameters, and two of the available starting methods from the PowerFactory simulation tool were applied to the machine model. To simulate the dynamic behavior of an induction in PowerFactory requires knowing at least some of the parameters of what is known as the equivalent circuit. This information is generally not available on the name plate data. The other aspect of this report investigated methods than can be used to find this data.

Item Type: Thesis (Other)
Murdoch Affiliation(s): School of Engineering and Information Technology
Supervisor(s): Hettiwatte, Sujeewa
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