Towards optimization of combined cycle power plants' start-ups and shut-down

Ivanova, Poļina; Sauhats, Antans Sauļus; Linkevičs, Oļegs

doi:10.1109/rtucon.2016.7763081

Cited by 15 publications

(12 citation statements)

References 6 publications

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“…The equations (1-9) of the EM (Table 1) are developed based on information in Fig. 2 and previously obtained knowledge about transient modes and characteristic properties of combined cycle gas turbine technology in [24,25]. /h] The natural gas consumption for electricity production in periods is:…”

Section: Development Of the Evaluation Modelmentioning

confidence: 99%

An approach to optimize the cycling operation of conventional combined heat and power plants

Ivanova¹,

Grebesh²,

Mutule³

et al. 2018

energetika

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The implementation of the market mechanism, which includes electricity price fluctuation, and a wide integration of intermittent generation, namely solar PV and wind energy, in energy production have changed the role and operation manner of conventional generation. It is partly or not at all adapted to new running conditions. Therefore, the efficiency and flexibility of conventional generation has to be improved. The numerical approach is developed in the context of combined cycle gas turbine (CCGT) technology to adapt its running conditions to the electricity market mechanism. The developed approach was verified on a case study of the Baltic States (Latvia) examples in a multi-paradigm numerical computing environment MATLab. The obtained results show that the added profit is gained through production of supplementary electricity, and the impact of cycling operation is reduced through the decrease of cycling operation ranges numbers and the substitution of start-up with a less adverse one from a technical and economical point of view. The developed approach can be adapted to various technologies and situations by adding appropriate characteristics and constraints of technology.

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Section: Development Of the Evaluation Modelmentioning

confidence: 99%

An approach to optimize the cycling operation of conventional combined heat and power plants

Ivanova¹,

Grebesh²,

Mutule³

et al. 2018

energetika

Self Cite

View full text Add to dashboard Cite

show abstract

“…Power supply of gas metering station is provided from substation "Iecava" through two 110 kV transmission lines and, respectively, through the 20 kV network. Reservation of power supply can be implemented through 20 kV network, and additional autonomous diesel generators are installed in the gas metering station [6], [7], [11], [14], [22].…”

Section: Critical Infrastructurementioning

confidence: 99%

“…In Latvia, natural gas is mainly used for producing electricity and heat. In order to encourage the diversification of natural gas supply paths and sources as well as the emergence of a natural gas market, BEMIP states a list of the required infrastructure entities, which foresees the construction of the Gas Interconnector Poland-Lithuania as well as the improvement of the Latvia-Lithuania and Latvia-Estonia interconnections and the modernization and enlargement of Incukalns underground gas storage, which will increase the natural gas supply reliability and stability in the region [3], [11]- [14].…”

Section: Introductionmentioning

confidence: 99%

“…1050 MW, 3 hydro power plants located on the Daugava River with total installed capacity of approx. 1550 MW, 1 wind farm, 4 major customers and 6 distribution network operators [11], [20], [21].…”

Section: Introductionmentioning

confidence: 99%

“…All 330 kV substations are supplied from at least two sides, the exemption is 330 kV substation in Daugavpils, which is connected to 330 kV transmission network from one side, but with two 330 kV transmission lines which could be considered the highest reliability in comparison with 1 line. Due to security of supply reasons, all 330 kV substations are with 2 autotransformers, and in emergency or repair modes of one autotransformer the second will provide all substation power to lower voltage [11], [15], [21].…”

Section: Introductionmentioning

confidence: 99%

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In the present research, the main critical points of gas transmission and storage system of Latvia have been determined to ensure secure and reliable gas supply among the Baltic States to fulfil the core objectives of the EU energy policies.Technical data of critical points of the gas transmission and storage system of Latvia have been collected and analysed with the SWOT method and solutions have been provided to increase the reliability of the regional natural gas system.

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Flexibility provision by combined heat and power plants – An evaluation of benefits from a plant and system perspective

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Towards optimization of combined cycle power plants' start-ups and shut-down

Cited by 15 publications

References 6 publications

An approach to optimize the cycling operation of conventional combined heat and power plants

An approach to optimize the cycling operation of conventional combined heat and power plants

Consistency Analysis and Data Consultation of Gas System of Gas-Electricity Network of Latvia

Flexibility provision by combined heat and power plants – An evaluation of benefits from a plant and system perspective

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