Aineistot 41-45 / 45
Application of software-defined radio for power-line-communication-based monitoring
(Lappeenranta-Lahti University of Technology LUT, 2020-02-07)
Power line communication (PLC) is an established telecommunication technology. A PLC-based communication system has the advantage of securing data. transmission over already existing power line networks. In this way, an ...
Energy efficient hydrogen production by water electrolysis
(Lappeenranta-Lahti University of Technology LUT, 2020-02-28)
Hydrogen is the most abundant element in the universe. On Earth, it not only forms water molecules, but also commonly combines with carbon into hydrocarbons that power the current world economy. The use of these natural ...
Applicability of GaN high electron mobility transistors in a high-speed drive system
(Lappeenranta-Lahti University of Technology LUT, 2020-02-10)
Lossless operation and instantaneous switching are properties of an ideal power elec-tronic switch. Wide band gap devices based on gallium nitride (GaN) are the current peak performers in regard to losses and switching ...
Control design issues in grid-connected single -phase converters, with the focus on power factor correction
(Lappeenranta-Lahti University of Technology LUT, 2020-09-25)
Electrical equipment is most commonly powered from a mains connection. The mains alternating voltage is rectified, isolated, and regulated in a power supply. The power supply acts as an interface between the mains voltage ...
Energy security evaluation for the present and the future on a global level
(Lappeenranta-Lahti University of Technology LUT, 2020-10-13)
Energy Security is a universal concern for all stakeholders and achieving energy security is a crucial objective for all societies. Therefore, energy security became a major part of national security with the ability to ...