Impact of Increasing Steam Turbine Flexibility on the Annual Performance of a Direct Steam Generation Tower Power Plant

Topel, Monika; Guédez, Rafael; Laumert, Björn

doi:10.1016/j.egypro.2015.03.196

Cited by 17 publications

(10 citation statements)

References 3 publications

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“…Their calculations did not take into account start-up schedules of steam turbines or rates of heat availability, nor yearly performance evaluation of such power plants. A previous work by the authors (Topel et al, 2015) considered the impact of the start-up rate of the steam turbine for solar tower direct steam generation; however , in this work the start-up constraints of the steam turbine were not coupled with SGS constraints.…”

Section: Introductionmentioning

confidence: 99%

Impact of steam generator start-up limitations on the performance of a parabolic trough solar power plant

et al. 2018

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Section: Introductionmentioning

confidence: 99%

Impact of steam generator start-up limitations on the performance of a parabolic trough solar power plant

et al. 2018

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“…Ukraine's entry into the global energy market requires an increase in the efficiency of energy facilities in order to increase competitiveness in the European market [5]. Therefore, it's relevant to search and select rational operating modes of cogeneration plants, which allow, without increasing the fuel consumption, maintaining the existing heat load to receive additional electricity [6].…”

Section: Introductionmentioning

confidence: 99%

Heating modes and design optimization of cogeneration steam turbines of powerful units of combined heat and power plant

Rusanov¹,

Шубенко²,

Senetskyi³

et al. 2019

energetika

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An important scientific and technical problem of increasing the efficiency of CHP steam turbine units through the optimization of their operation modes and the creation of new highly efficient flow parts of cogenerating turbines is solved. Solutions to the problem of rational distribution of heat loads between the network heaters of cogeneration turbines during the heating period are presented. The calculations were performed using the software package SCAT which was developed in IPMach NAS of Ukraine. The carrying out of calculations of three-dimensional turbulent flows in flow parts of turbines using modern software systems is an effective direction of increased efficiency of power equipment. For the numerical research of three-dimensional currents, steam in the flow part of the steam turbine software package IPMFlow which is developed in IPMach NAS of Ukraine is used. With the use of software package IPMFlow, the researches of three-dimensional currents steam in the flow part of the medium pressure cylinder of the steam turbine of series T-100-130 are carried, which showed the feasibility of optimizing the geometry of the flow part in order to improve gas-dynamic characteristics of blades apparatuses.

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“…During the changes in the structure of the power generating industry in the recent years steam cycles survived as the core systems [1][2][3]. However their operation has changed considerably [4]. It is now affected by the operation of the renewable energy sources including solar and wind power [5].…”

Section: Introductionmentioning

confidence: 99%

Preheating procedure for fast start-up of a steam turbine from a cold state

Kosman

Rusin

2019

E3S Web Conf.

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The paper describes a procedure that allows to start up a steam turbine in a significantly shorter period. The procedure is developed for start-ups that begin from a cold state, when the temperature of the parts of the turbine is close to the ambient temperature. The pre-heating rises the parts temperature before the actual start-up begins. It changes the thermal state of the turbine and causes smaller maximal stress during the initial period of the start-up. The procedure involves a pre-heating of the turbine with a hot air generated in an electric heater. The paper describes the requirements of the process. It presents the possible configurations of the flow in the turbine and the analysis of the thermal and the strength state of the turbine during the pre-heating.

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Impact of Increasing Steam Turbine Flexibility on the Annual Performance of a Direct Steam Generation Tower Power Plant

Cited by 17 publications

References 3 publications

Impact of steam generator start-up limitations on the performance of a parabolic trough solar power plant

Impact of steam generator start-up limitations on the performance of a parabolic trough solar power plant

Heating modes and design optimization of cogeneration steam turbines of powerful units of combined heat and power plant

Preheating procedure for fast start-up of a steam turbine from a cold state

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