At the present, electrical insulation is widely based on synthetic polymers which have largely superseded traditional insulation materials such as paper and ceramics. Polymer composite materials incorporating various amounts ...

Testing is a necessary process for verifying correct functioning of a product. When testing is performed manually, it consumes a lot of time and labor. In this thesis, an automated testing system for a solar inverter is ...

This thesis develops a mid-term linear programming hydropower optimization tool for a certain river system in Finland. The system is unique as it is consists of several hydro reservoirs and hydropower plants that are owned ...

This thesis analyses how the Distribution System Operator (DSO) enables the electricity market by enabling the implementation of smart grids. Two example cases of connecting small-scale production and demand response are ...

Electrical insulation is indispensable in electrical equipment. Thermally sprayed ceramic coatings are promising materials, offering insulating capabilities in areas where other materials do not fulfil the requirements. ...

In Finland, the high voltage distribution networks (HVDNs) include all 110 kV lines which are not part of the transmission network of the Finnish electricity transmission system operator, Fingrid. Currently, the role of ...

The reliability of power supply has become an increasingly significant factor in modern society. The aging of the existing network, the increased quality requirements of electric supply and the risk of major interruptions ...

Tämä työ on osa paloturvallisuusalalla toimivan yrityksen palonilmaisuun liittyvää tuotekehityshanketta. Tuotekehityshankkeen tavoitteena oli kehittää uudentyyppinen infrapunaoptinen linjailmaisinkaapeli pitkien yhtenäisten ...

Akkutekniikan kehitys on mahdollistanut akkujen kayttämisen suuritehoisissa kannettavissa laitteissa. Akkujen uudesta käyttökohteesta johtuen, aiempaa kokemusta akkujen luotettavuudesta ei kuitenkaan ole. Lisäksi hintapaineet ...

Loistehon kompensoinnin toimivuus on tärkeää jakeluverkkoyhtiön kannalta. Oikean kokoisen ja järkevästi sijoitetun kompensointilaitteiston avulla vältytään siirtämästä loistehoa pitkiä matkoja, jolloin pätötehon ...