Abstract
The paper focuses on the prospects for expansion of the Nogliki gas turbine power plant in terms of potential cogeneration of the Nogliki urban-type settlement of the Sakhalin region and power export from the Sakhalin Island to Japan. The state and problems of the Nogliki gas turbine power plant and heating systems of Nogliki are described. The alternatives of the Nogliki power plant expansion by upgrading with addition of hot-water heat recovery boilers and shift of part of thermal load of Nogliki from boiler plants to the gas turbine power plant. The excess power in this case is planned to be exported to Japan.
Highlights
Expansion of the Nogliki gas turbine power plant (GTPP) is urgent because of such important factors as ageing of main generating equipment and required upgrading of the power plant; expediency of improving the heating systems of Nogliki by cogeneration; prospect for power export to Japan; necessity of increasing the natural gas utilization efficiency.Efficiency of cogeneration – centralized heat supply on the basis of combined production of electricity and heat at cogeneration plants– was justified long ago [1, 2 and others.] and repeatedly confirmed by the authors as well [3–7 and others]
Shift of part of thermal load from boiler plants to GTPP will considerably decrease natural gas consumption for heat supply. This fact is of high priority from the standpoint of energy resource conservation and large-scale plans on natural gas export from Sakhalin to Japan and China as liquefied natural gas (LNG) [14, 15], and piped gas [16]
The low efficiency indices of the Nogliki GTPP are due primarily to the facts that the design concepts on the settlement cogeneration using the heat of flue gases of gas turbine units were not realized, and the moral and physical ageing of main equipment installed at the power plant were considerable
Summary
Expansion of the Nogliki gas turbine power plant (GTPP) is urgent because of such important factors as ageing of main generating equipment and required upgrading of the power plant; expediency of improving the heating systems of Nogliki by cogeneration; prospect for power export to Japan; necessity of increasing the natural gas utilization efficiency. The prospect for power export to Japan [8,9,10,11,12,13] expands opportunities for cogeneration of Nogliki on the basis of the gas turbine power plant making its electric load curve denser In this case, shift of part of thermal load from boiler plants to GTPP will considerably decrease natural gas consumption for heat supply. Shift of part of thermal load from boiler plants to GTPP will considerably decrease natural gas consumption for heat supply This fact is of high priority from the standpoint of energy resource conservation and large-scale plans on natural gas export from Sakhalin to Japan and China as liquefied natural gas (LNG) [14, 15], and piped gas [16]
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