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Smart Solar Microgrid Inverter, Conner Sabin, Mckay Waite, Dakota Goodrich, Tucker Skinner Dec 2021

Smart Solar Microgrid Inverter, Conner Sabin, Mckay Waite, Dakota Goodrich, Tucker Skinner

Fall Student Research Symposium 2021

With a major increase in the integration of renewable and distributed energy resources along with the use of solar inverters in microgrid applications, the need for advanced power electronics, specifically smart inverters, is higher than ever. It is desirable for these smart inverters to operate with maximum efficiency as well as provide grid services such as voltage and frequency regulation. A smart inverter design can improve the reliability and resilience of the grid, reduce the cost of energy, and ease grid maintenance. This is done through the management of active power generation and reactive power compensation between the solar inverter …


Concentric Contra-Rotating Dual Shaft Vertical Axis Wind Turbine, Emily Walz, Marcellin Zahui, Andrew Shires, Carl Gilkeson Dec 2018

Concentric Contra-Rotating Dual Shaft Vertical Axis Wind Turbine, Emily Walz, Marcellin Zahui, Andrew Shires, Carl Gilkeson

Essential Studies UNDergraduate Showcase

A typical vertical axis wind turbine (VAWT) consists of two or more airfoils all attached to a single central axis. The wind turbine style most commonly found in renewable energy is the horizontal axis wind turbine (HAWT) that have a high energy production efficiency in exchange for requiring large amounts of land and air space. Alternatively, a VAWT can function in low speeds and in smaller less typical locations. As a result, novel VAWT designs are researched to improve their energy efficiency. An example of a novel VAWT is the concentric counter-rotating VAWT investigated theoretically using the 2D computational fluid …