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Utilizing an auxiliary portable lube oil heating system in Aliabad Katoul-Iran V94.2 gas turbine during standstill mode:a case study
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作者 H.Hasannejad seyyed masoud seyyedi M.Hashemi-Tilehnoee 《Propulsion and Power Research》 SCIE 2019年第4期320-328,共9页
In a gas turbine power plant,the lubrication oil must be hot enough for the turbine start-up where the unit is in standstill mode.Currently,the strategy to heat the lubrication oil of ANSALDO V94.2 gas turbine power p... In a gas turbine power plant,the lubrication oil must be hot enough for the turbine start-up where the unit is in standstill mode.Currently,the strategy to heat the lubrication oil of ANSALDO V94.2 gas turbine power plant is operating the units in turning gear mode or interval mode.However,these strategies cause to suffering the power plant from high power consumption rate and aging.In this study,an auxiliary portable heating system was added to the unit 5 of the MAPNA built MGT-70(an Iranian version of V94.2)Aliabad Katoul-Iran power plant for increasing the lube oil temperature.Irreversibility,cost-effectiveness,and availability of the proposed heating system are studied by the concepts of exergy,economy,and reliability analyses,respectively.The result of the exergy analysis shows that by using the auxiliary portable lube oil heating system the exergy destruction decreases about 94.7%and 92.6%in comparison with turning gear mode and interval mode,respectively.The result of the economic analysis shows that the auxiliary portable heating system consumes less power rather than turning gear mode.Moreover,it is a cost-effective system which has no penalty and no non-profit production.Finally,the reliability analysis shows that the auxiliary portable lube oil heating system is a reliable tool during its lifetime. 展开更多
关键词 Gas turbine Lube oil Lubrication system Portable heater EXERGY RELIABILITY
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