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The performance of a steam-gas power unit of a velox-type cycle

Smołka K., Dykas S.

Journal of Power Technologies

2017

Vol. 97, nr 5

343--348

For many years, the Institute of Power Engineering and Turbomachinery of the Silesian University of Technology has been using a Velox-type small-capacity gas-steam power unit for teaching and research purposes. The Velox-type gas-steam cycle is characterized by a much higher ratio of power obtained from the steam turbine and the gas turbine, respectively, compared to classical gas-steam cycles which are now in use worldwide. This paper presents a thermodynamic analysis of the Veloxtype gas-steam cycle as a small capacity combined heat and power plant (CHP). The systems are modelled in the EBSILO Nr Professional. The advantages and drawbacks of the Velox-type cycle compared to the classical one are presented.

Modelling of the system of gas-steam power plants with two-presure HRSG

Wróblewski R.

Poznan University of Technology Academic Journals. Electrical Engineering

2010

No. 62

109-114

In the paper there is presented method of modeling of the system gas-steam combined cycle power plants structure with two pressure Heat Recovery Steam Generator (HRSG). The paper presents also the results of simulation investigations of the influence of variations of parameters of steam part of technological system and of its structure on the net efficiency of electric energy generation.

Uwarunkowania techniczne nadbudowy ciepłowni komunalnej członem zintegrowanym z termicznym zgazowaniem biomasy

Górny K., Skorek J.

Systems : journal of transdisciplinary systems science

2008

Vol. 13, spec. iss. 1/2

179--185

The paper shows a study of modernization of municipal heating plant to heat and power generating plant combined heat and power) integrated with biomass gasification. Two variants of modernization are considered in the paper. The first case bases on the gas turbine integrated with thermal biomass gasification unit (gasifier) and the heat exchanger located behind the gas turbine. In the second case the gas turbine integrated with thermal biomass gasification unit (as in the first case) but together with the steam cycle (steam turbine) powered by steam produced in the heat recovery steam generator (HRSG). The biomass gasification is realized in the fluidized gasifier with circulative bed. The thermodynamic analysis was performed using Cycle-Tempo software. The essential results of thermodynamic analysis are discussed.