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Virtual Droop Control Framework And Stability Analyses For Microgrids With High Penetration Of Renewables, Ashishkumar Kanubhai Solanki
Virtual Droop Control Framework And Stability Analyses For Microgrids With High Penetration Of Renewables, Ashishkumar Kanubhai Solanki
Theses and Dissertations
Microgrids can provide the most promising means of integrating large amounts of distributed sources into the power grid and can supply reliable power to critical loads. However, managing distributed sources and loads within a microgrid during island and grid-tie modes and during transitions is a challenge. Stable operation of a microgrid is a concern specifically during the starting of motor loads, switching of large loads, and in presence of high penetration of renewable resources. Hence, a generalized control framework is required to regulate microgrid voltage and frequency, maintain power quality, manage Distributed Generations (DG) and ensure microgrid stability. Several control …
Essays On Environmental Policy And Technological Change, Sahar Milani
Essays On Environmental Policy And Technological Change, Sahar Milani
Theses and Dissertations
This dissertation is comprised of three empirical essays on technological change. The first chapter examines how industrial R&D intensities respond to environmental regulations when considering specific industry characteristics such as pollution intensity and immobility. Specifically, I study the impact of environmental regulations on R&D intensities in 21 manufacturing industries in 28 OECD countries from 2000-2007. I consider pollution intensity and the relative ease of relocation (immobility) as industry characteristics that determine the optimal industry response to increased environmental policy stringency. I find that more pollution intensive industries innovate less as regulatory environments become more restrictive relative to less pollution intensive …