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- Load management (2)
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Articles 1 - 5 of 5
Full-Text Articles in Controls and Control Theory
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 …
Swarm Behavior To Mitigate Rebound In Air Conditioning Demand Response Events, Jason Yasuto Kuwada
Swarm Behavior To Mitigate Rebound In Air Conditioning Demand Response Events, Jason Yasuto Kuwada
Boise State University Theses and Dissertations
Thermostatically Controlled Loads (TCLs) have shown great potential for Demand Response (DR) events. However, it has been commonly seen that DR events using TCLs may cause demand rebound, especially in homogeneous populations. To further explore the potential for DR events, as well as the negative effects, a stability and resilience analysis were performed on multiple populations and verified with agent based modeling simulations.
At the core of this study is an added thermostat criterion created from the combination of a proportional gain and the average compressor operating state of neighboring TCLs. Where DR events in TCLs are commonly controlled by …
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 …
Hardware Realization Of A Residential Static Var Compensator, Muhammad Kamran Latif
Hardware Realization Of A Residential Static Var Compensator, Muhammad Kamran Latif
Boise State University Theses and Dissertations
Conservation by Voltage Reduction (CVR) is the implementation of a distribution voltage strategy whereby all distribution voltages are lowered to the minimum allowed by the equipment manufacturer. This strategy is rooted in the fact that many loads consume less power when they are fed with a voltage lower than nominal. Electric utility companies consider CVR as a potential solution for managing power in distribution networks. However, a difficult challenge is to keep end-of-line (EOL) voltages within an acceptable range of the ANSI Standard C84.1. Therefore, to achieve maximum benefit from CVR, electric utilities should be able to regulate residential voltages …