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Articles 1 - 4 of 4
Full-Text Articles in Electrical and Electronics
High- And Low-Voltage Mitigation In Distribution Systems Using Residential Static Volt-Ampere Reactive Compensators, Andrés Valdepeña Delgado
High- And Low-Voltage Mitigation In Distribution Systems Using Residential Static Volt-Ampere Reactive Compensators, Andrés Valdepeña Delgado
Boise State University Theses and Dissertations
Power distribution systems are experiencing a fast transformation from simple one-way radial feeders to complex systems with multiple sources and bidirectional power flows. The rapid increase of Distributed Generation (DG) connected to the distribution system over the last decade, especially solar photovoltaic (PV), has been the key element to this transformation.
The variable nature of PV-based DG has increased the complexity of voltage regulation in distribution systems. Electric Utilities are facing an increasing number of voltage issues in distribution systems with high penetration of DGs, leading customers to experience voltage levels outside of range A of the ANSI C84.1 standard. …
Demand-Side Load Management Using Single-Phase Residential Static Var Compensators, Muhammad Kamran Latif
Demand-Side Load Management Using Single-Phase Residential Static Var Compensators, Muhammad Kamran Latif
Boise State University Theses and Dissertations
Distribution systems are going through a structural transformation from being radially-operated simple systems to becoming more complex networks to operate in the presence of the distributed energy resources (DERs) with significant levels of penetration. It is predicted that the share of electricity generation from DERs will keep increasing as the world is moving away from the power generation involving carbon-emission and towards cleaner energy sources such as solar, wind, and biofuels. However, the unstable behavior of the renewables resources presents challenges to the already existing distribution systems. One such problem is when the distribution feeder experience variable power supply due …
Real-Time Fault Detection And Reconfiguration Of A Three-Phase Electric Motor Drive, Danyal Mohammadi
Real-Time Fault Detection And Reconfiguration Of A Three-Phase Electric Motor Drive, Danyal Mohammadi
Boise State University Theses and Dissertations
Variable-frequency drives (VFDs) are widely used for control of electrical machines such as induction motors (IMs) or permanent-magnet synchronous motors (PMSMs). Similar to other electrical devices, these drives are subject to failure. Several types of faults are associated with VFDs. For instance, faults such as an open-switch fault, a short-circuit switch fault are the two common faults in VFDs. These faults can yield catastrophic consequences if proper remedial action is not taken.
A unique remedial topology for the post-fault period and a new pulse width modulation (PWM) strategy are proposed so that not only the motor drive can continue the …
Dual-Input Dc-To-Dc Converter Topologies And Control Schemes, Shaun Alan Stickel
Dual-Input Dc-To-Dc Converter Topologies And Control Schemes, Shaun Alan Stickel
Boise State University Theses and Dissertations
Dual-input DC-to-DC converters are power supplies that draw power from two sources simultaneously and deliver power to a single load, the ratio of power drawn from each source and be held constant with changes in the load. Applications for dual-input power supplies are computer systems, mobile systems using energy harvesting, and systems needing redundant power supplies. This writing covers the operation and control of dual-input DC-to-DC converters that implement a non-inverting buck-boost function and utilize only a single power path.
Traditionally, a dual-input power supply is created by placing two standard power paths in parallel. This adds considerable control complexity …