Selaus Oppiaineen mukaanSähkö- ja energiatekniikka

This paper proposes a new smart under frequency load shedding (UFLS) scheme, based on Takagi-Sugeno (TS) fuzzy inference system and flexible load priority. The proposed scheme consists of two parts. First part consists of ...

The depleting nature of fossil energy resources accompanied by increasing demand for energy and their influence on increasing the climate change rates and greenhouse gas emissions motivated the governments and decision-makers ...

This thesis is made for a technology company in Vaasa, Finland which has the focus on decarbonisation of microgrids through optimisation with different aspects in mind, such as, reducing emissions, decreasing fuel consumption, ...

ABSTRACT Microgrid can be seen as an important controllable sub-system in future power systems. As a part of distribution network, the microgrid can operate in grid-connected or islanded mode to supply its local loads, ...

Companies strive towards perfection in their product development processes and want to stay as competitive as possible. In order to achieve that objective, emphasis needs to be put on streamlining the process. Therefore, ...

ABSTRACT The thesis investigates the options of a certain company to improve their on-load operational performance testing of low voltage switches. The target of the thesis is to create a technical specification for testing ...

The share of renewable energy needs to increase. The target is to have an at least 27% share for renewables in the energy consumption in Europe by 2030. This dissertation contributes to achieving said target by concentrating ...

TIIVISTELMÄ Sähkömarkkinalaissa tapahtuneet muutokset ja asiakkaiden vaatimustason kasvu ovat saaneet verkkoyhtiöt parantamaan sähkönjakelun varmuutta. Yhtenä tehokkaimmasta keinosta toimitusvarmuuden parantamiseksi on ...

This thesis is written on behalf of a manufacturing company, focusing on energy consumption, recovery, and management. ​ The energy sector continuously changes through carbon emission targets and laws demanding action from ...

Thermal energy collected from the sediment layer under a water body has been suggested for use as a renewable heat source for a low energy network. A prototype system for using this sediment energy was installed in Suvilahti, ...