Search for dissertations about: "pmu"

Showing result 6 - 10 of 11 swedish dissertations containing the word pmu.

2. 6. Efficient Energy Harvesting Interface for Implantable Biosensors

   Author : Janko Katic; Ana Rusu; Saul Rodriguez; Jonny Johansson; KTH; []
   Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Implantable biosensors; thermoelectric energy harvesting; energy harvesting interface; power management; DC-DC converters; dead time losses; Electrical Engineering; Elektro- och systemteknik;

   Abstract : Energy harvesting is identified as a promising alternative solution for powering implantable biosensors. It can completely replace the batteries, which are introducing many limitations, and it enables the development of self-powered implantable biosensors. READ MORE

4. 7. Aspects of Wide-Area Damping Control Design using Dominant Path Synchrophasor Signals

   Author : Yuwa Chompoobutrgool; Luigi Vanfretti; Glauco Nery Taranto; KTH; []
   Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; power system stability and control; inter-area oscillations; wide-area damping control; synchrophasor measurements; Electrical Engineering; Elektro- och systemteknik;

   Abstract : The presence of inter-area oscillations has long affected stability constraints, and therefore, limited the power transfer capacity of interconnected power systems. Adequate damping of these inter-area oscillations is, thus, necessary to secure system operation and ensure system reliability while increasing power transfers. READ MORE

5. 8. Automated Performance Profiling of Software Applications

   Author : Shamoona Imtiaz; Moris Behnam; Risat Mahmud Pathan; Mälardalens universitet; []
   Keywords : NATURVETENSKAP; NATURAL SCIENCES; Computer Science; datavetenskap;

   Abstract : For industrial systems performance, it is desired to keep the IT infrastructure competitive through the efficient use of computer resources. However, modern software applications are complex and often utilize a broad spectrum of available hardware resources. READ MORE

6. 9. Methods for Synchrophasor-Based Power SystemInstability Detection and HVDC Control

   Author : Rujiroj Leelaruji; Luigi Vanfretti; Jean Mahseredjian; KTH; []
   Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Wide-Area Monitoring Protection and Control Systems; Synchrophasor applications; Wide-Area Voltage Instability Detection; Wide-Area EarlyWarning Systems; Automatic Voltage Stabilizer;

   Abstract : The recent availability Phasor Measurement Unit (PMU) functionalities in relay technology has opened up new opportunities for power system protection, allowing this microprocessor-based technology to be used beyond traditional protection purposes. This technology now also considers the computation and communication mechanisms that allow the transmission of synchronized phasor measurements. READ MORE

7. 10. Non-intrusive Methods for Mode Estimation in Power Systems using Synchrophasors

   Author : Vedran Peric; Luigi Vanfretti; Xavier Bombois; Cristian Rojas; Mani V. Venkatasubramanian; KTH; []
   Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Synchrophasors; Phasor measurement units; system identification; mode estimation; electromechanical oscillations; prediction error; signal selection; experiment design; probing; Electrical Engineering; Elektro- och systemteknik;

   Abstract : Real-time monitoring of electromechanical oscillations is of great significance for power system operators; to this aim, software solutions (algorithms) that use synchrophasor measurements have been developed for this purpose. This thesis investigates different approaches for improving mode estimation process by offering new methods and deepening the understanding of different stages in the mode estimation process. READ MORE