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The quality of electric power supplied into the grid by co-generation units

Jansa J., Moldrik P., Minarik D.

Przegląd Elektrotechniczny

2013

R. 89, nr 11

73-76

This paper deals with the utilisation of firedamp for combined heat and electric power generation. The firedamp is gained from hard-coal mines and can be combusted in a co-generation units with gas-engine. This process involves more efficient utilisation of firedamp. The measurement results obtained on selected co-generation units are described in this paper. As far as the electric power supplied into the grid from cogeneration unit´s are concerned, these shall be considered with respect to the qualitative parameters, which should comply with stipulations of the CSN EN 50160 standard. The main advantages and disadvantages of co-generation units producing heat for hard-coal mine and electric power for export to the grid are described in the end of this paper.

Opisano możliwość wykorzystania gazu kopalnianego do ogrzewania i wytwarzania energii. Gaz może być wykorzystany w kogeneratorze z silnikiem gazowym. Opisano wybrane systemy wytwarzania energii.

Determinanty kształtujące wartość przedsiębiorstwa górniczego

Kowal D.

Zarządzanie Przedsiębiorstwem

2012

Vol. 15, nr 1

19-28

This article thesis is concerned with the concept of Value Based Management (VBM) of a hard-coal mining enterprise. The thesis analyses in detail one type of factors: namely the determinants that create the value of a mining enterprise. Survey researches conducted enable identify and systemize the value factors specific to the mining sector, and to identify the value determinants. Determinants are factors that are associated with decision making, whereas value drivers are those factors that characterize the effects of value-creating actions undertaken beforehand. The author discusses and systemizes mining value determinants in seven groups: marketing and sales, coal production, human resources, material resources, financial resources, organizational maters and information resources.