Abstract
Operation of the Verkhne-Mutnovskaya Geothermal Power Plant (VMGPP) has revealed ineffective summer-time performance of air condensers (AC), which is caused by an insufficient heat reserve. Four alternate schemes are examined for improvement of the operational efficiency of the AC: replacement of the four-by five-tier heat-exchange modules; installation of high-output fans; a combination of the first two schemes; and, installation of additional sections in each power-generating set. Based on thermodynamic analysis that we have adapted for conditions at the VMGPP, it is established that the last alternate scheme is optimal, andwill have a payback period of six years, and a heat reserve of more than 40%, a figure approaching requirements now in force.
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M. L. Bezotechestvo, “Operation of the Verkhne-Mutnovskaya GPP,” Énergosberezhenie, No. 4 (2005).
V. B. Kuntysh and A. N. Bessonnyi, Fundamentals of Analysis and Design of Air-Cooled Heat-Exchangers [in Russian], Nedra, St. Petersburg (1996).
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Translated from Élektricheskie Stantsii, No. 6, June 2007, pp. 40–43.
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Parshin, B.E., Muratov, P.V. & Pashkevich, R.I. Means of improving the operating efficiency of air condensers at the Verkhne-Mutnovskaya Geothermal Power Plant in Kamchatka. Power Technol Eng 41, 233–236 (2007). https://doi.org/10.1007/s10749-007-0045-9
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DOI: https://doi.org/10.1007/s10749-007-0045-9