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Ferrite Permanent Magnet Hysteresis Loss in Rotating Electrical Machinery
(Lappeenranta-Lahti University of Technology LUT, 2019-11-15)
Electrical machines with permanent magnets (PMs) find numerous applications in present energy-efficient technologies. A reasonable compromise in terms of costs and efficiency makes electrical machines with ferrite PMs a ...
Modelling and Disturbance Compensation of a Permanent Magnet Linear Motor with a Discontinuous Track
(Lappeenranta-Lahti University of Technology LUT, 2019-06-11)
It is very common that industrial applications require linear motion in some part of the process, especially in transportation of products from place to place. Traditional technologies to produce short-distance linear ...
Optimizing the specific energy consumption of vacuum filtration
(Lappeenranta-Lahti University of Technology LUT, 2019-12-13)
Vacuum filtration is applied in solid-liquid separation in a wide variety of industrial processes for instance in the mining, chemical, and paper industries. The main contributor to the considerable energy consumption of ...
Design and control of a permanent magnet bearingless machine
(Lappeenranta-Lahti University of Technology LUT, 2019-11-29)
The overall efficiency of high-speed applications can be improved by applying direct drive motor technology. Operating in the high-speed region is a demanding task for the traditional bearing technology. With active magnetic ...
Improving the DC-DC Power Conversion Efficiency in a Solid Oxide Fuel Cell System
(Lappeenranta-Lahti University of Technology LUT, 2019-11-29)
The solid oxide fuel cell (SOFC) is a promising technology for combined heat and power generation as it provides low local emissions, high efficiency, and fuel flexibility. However, the unique electrical characteristics ...
Grid Support by Battery Energy Storage System Secondary Applications
(Lappeenranta-Lahti University of Technology LUT, 2019-12-13)
Global developments in renewable energy and energy efficiency of the power consumption present challenges to maintain the frequency stability of the electricity grids. The objective of the research is to investigate how ...