Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 7 of 7 for “"Inrush current"”.
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Condition Monitoring of Electrolytic Capacitors for Power Electronics Applications
… capacitor faults on the capacitor voltage and current waveforms are investigated through experiments. It is also experimentally demonstrated that faults in the capacitor can be detected by monitoring the capacitor voltage and current. Various ESR estimation based detection techniques available …
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Multi-objective optimization and meta-modeling of tape-wound transformers
… core loss, winding loss, voltage regulation, and inrush current given the core and winding geometries, material properties, input voltage, and rated load. The coupled MEC/T-equivalent and the TEC circuit-based performance evaluation is demonstrated within an optimization in which the goals are to …
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Models for Calculating Voltage Dip Caused by Induction Motor Starting.
… large motor started across-the-line will have an inrush current of from five to eight times its normal full-load value, and damage to the motor can result. Such magnitudes of current are caused by the lower machine impedance upon starting. For this condition, the terminal voltage will dip for …
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Design and control of FACTS-based high performance microgrid
The current power grid introduces many limitations and challenges in a world that is heavily dependent on electricity. Many government agencies, utility companies, researchers and engineers in the electric power industry have envisioned of transforming the existing grid into MicroGrid. To …
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Single stage boost inverter for standalone fuel cell applications
… under nonlinear loads, sudden load changes and inrush current, using a double loop control strategy. Initially, the double loop control strategy was introduced with proportional integral (Pl) controllers. Recently, with the widespread use of proportional resonant PR controllers, the PI …
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Modeling of Power Electronics Distribution Systems with Low-frequency, Large-signal (LFLS) Models
… behavior of the system such as startup, inrush current and power flow directionality. In addition, models are capable of predicting most low frequency harmonics only seen in real switching detailed models. Therefore the new models system can be used to predict steady state performance, …
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Specification, Placement, and Control of Fault Current Limiters In Power Systems
… dissertation focuses on the application of fault current limiters (FCLs) in power systems. The formula for the maximum first-peak fault current is derived to assist in specifying inductive FCLs. The specification process can be used to design and select proper FCL devices in a particular power …