Search for dissertations about: "Power factor improvement"
Showing result 1 - 5 of 41 swedish dissertations containing the words Power factor improvement.
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1. Study of Induction Machines with Rotating Power Electronic Converter
Abstract : This thesis investigates a novel induction machine topology that uses a rotating power electronic converter. Steady-state and dynamic performance of the topology is studied to understand its operational principle. Furthermore the potential of improving its efficiency and power factor is investigated. READ MORE
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2. Wind Power - Added Value for Network Operation
Abstract : This dissertation deals with the investigation on different value added properties of variable speed wind turbines (VSWT) that stem from the flexible controllability of converter interfaced wind turbines (WT). Improvements in voltage and transient stability of a nearby grid, small-signal stability improvement on the power system, frequency control support for the network operation, as well as thetechnical and the economic issues related to the reactive power ancillary service provision, are among the issues covered. READ MORE
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3. On Power Control and Scheduling to Mitigate Adjacent Channel Interference in Vehicle-to-Vehicle Communication
Abstract : Safety applications play an essential role in supporting trac safety and eciency in next generation vehicular networks. The eciency of safety applications depends heavily on the establishment of reliable communication since these types of applications have strict requirements on latency and reliability. READ MORE
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4. Towards an on-chip power supply: Integration of micro energy harvesting and storage techniques for wireless sensor networks
Abstract : The lifetime of a power supply in a sensor node of a wireless sensor network is the decisive factor in the longevity of the system. Traditional Li-ion batteries cannot fulfill the demands of sensor networks that require a long operational duration. READ MORE
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5. Monolithic Micro- and Millimeter-wave Integrated Circuits in 90 nm CMOS Technology
Abstract : The objective of this work has been to design and characterize microwave components and circuits within a 90 nm RF-CMOS process.The work has been divided into two parts: integration of passive components and design and characterization of several mixer circuits. READ MORE