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Showing 1 to 7 of 7 for “"auxiliary power supply"”.
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High-frequency Current-transformer Based Auxiliary Power Supply for SiC-based Medium Voltage Converter Systems
Auxiliary power supply (APS) plays a key role in ensuring the safe operation of the main circuit elements including gate drivers, sensors, controllers, etc. in medium voltage (MV) silicon carbide (SiC)-based converter systems. Such a converter requires APS to have high insulation capability, low …
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Evaluation and Development of Medium-Voltage Converters Using 3.3 kV SiC MOSFETs for EV Charging Application
… enabling the realization of superior power conversion systems. Among the potential areas of advancement are medium-voltage (MV) and high-voltage (HV) applications, due to the growing demand for high-power-density and high-efficiency power electronics converters. These advancements have …
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Models for Calculating Residual Voltage of Induction Motors.
Induction motors are commonly used in driving auxiliary equipment in coal-fired power plants. An external source of power must be connected to the auxiliary system for starting a turbine-generator. After the generator speed is increased to synchronous speed and synchronized with the power system, …
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Distributed Grid Analytics Platform (DGAP) for power grid monitoring at the distribution level
… at widely spread points across the power grid over great benefits. While the PMU device concept is well known in the power industry, the field of power system analysis stands to benefit greatly from using different methods of designing and implementing an inexpensive PMU that can be …
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Protection, Control, and Auxiliary Power of Medium-Voltage High-Frequency SiC Devices
… (WBG) semiconductor enables next-generation power electronics systems with higher efficiency and higher power density. With higher blocking voltage available, WBG devices, especially the silicon carbide (SiC) metal-oxide-semiconductor field-effect transistor (MOSFET), have been widely …
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High-performance power converters leveraging capacitor-based energy transfer
The increasing demand for high performance power conversion systems continuously pushes for improvement in efficiency and power density. This dissertation focuses on a topological effort to efficiently utilize the active and passive devices. In particular, a hybrid approach is adopted, where both …