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2 Poznan University of Technology Academic Journals. Electrical Engineering

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Water power station versus quality of produced electric energy on example of water power station in Koszyce

100%

Bugaj A. , Cebulski W. , Nawrowski R.

2009

tom No 60

191-200

In this article was shown the types and kinds of water turbines that are usually used in water stations. This essay presents technical specification of MEW Koszyce and the results of it's electric power quality measurement. It was demonstrated if recorded measurements of electricity are in accordance with the specification of PN-EN 50160 norm. Moreover this article shows the perspectives of MEW and the benefits of investment in it.

Profitability of technologies using renewable sources of energy

80%

Michalak J.

2011

tom No. 66

33--37

The article presents the results of analysis of profitability of technologies using renewable sources of energy based on the example of wind and water power. The evaluation of economic profitability is based on two methods: net present value NPV and internal rate of return IRR. To conduct the abovementioned analysis a cash flow account has been used, including discount accounting principles. Profitability of technologies using renewable sources of energy has been conducted on the example of two objects: wind and water-power station.